CN2583201Y - Theft-proof manhole cover - Google Patents
Theft-proof manhole cover Download PDFInfo
- Publication number
- CN2583201Y CN2583201Y CN 02249857 CN02249857U CN2583201Y CN 2583201 Y CN2583201 Y CN 2583201Y CN 02249857 CN02249857 CN 02249857 CN 02249857 U CN02249857 U CN 02249857U CN 2583201 Y CN2583201 Y CN 2583201Y
- Authority
- CN
- China
- Prior art keywords
- lock
- box
- bolt
- lock bolt
- manhole cover
- 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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a theft-proof manhole cover, wherein a slipknot is arranged at one end of the back surface of the theft-proof manhole cover and can be used for wedging a bearing platform of a manhole base, a main lock is arranged at the other end of the manhole cover, and a lock bolt of the main lock is used for locking the bearing platform of the manhole base and is locked by a code auxiliary lock. The unlocking can be realized after the code is decoded by a special decoding tool when the lock is unlocked. The utility model has the characteristics of firm structure, theft-proof performance, pry-proof performance and convenient operation, can also be used for reforming the present roadway manhole cover, prevents the manhole from being stolen, and guarantees the safety of pedestrians' walking and the driving of vehicles.
Description
Affiliated technical field
The utility model relates to the shaft cover of underground pipeline.
Background technology
Present various underground pipeline, for example the well lid of sewage conduct, raceway etc. is often stolen by the people, brings great hidden danger to vehicle and pedestrian's safety.For preventing that well lid is stolen, anti-stealing manhole cover also occurred, but this class anti-stealing manhole cover adopts chain or built-in lock more, very easily cut off, crack lock body and have things stolen by the people.
The utility model content
The purpose of this utility model is to provide a kind of anti-stealing manhole cover, this well lid sound construction, is difficult for cracking, and can prevent effectively that well lid is stolen, guarantees safety shaft.
A kind of anti-stealing manhole cover that the utility model provides comprises a well lid, and well lid has:
One knot that can be undone by a pull is arranged on the back side of well lid, and its position is corresponding with the cushion cap of well seat;
One main lock, main lock is made up of lock bolt, lock housing and lock pad, and lock housing connects together with the lock pad, and the front end sleeve of lock bolt is in lock housing, and the rear end of lock bolt has a contact arm; The master is locked in the opposite side of the well lid back side with respect to knot that can be undone by a pull, and its lock bolt can extend the cushion cap of well seat;
One pair lock, pair are locked by lock bolt, upward lock box, following lock box and magnetic cylinder are formed, and are provided with a chute in the last lock box; Following lock box middle part is provided with at least 3 circular holes, is provided with a chute in the box; The front end of lock bolt is provided with the parts of a suction magnetic, and lock bolt is provided with and following lock box circular hole quantity and the identical circular hole of size corresponding to the one side of following lock box, is placed with the magnetic cylinder by coded system in the circular hole; Lock bolt is installed in the chute in lock box and the following lock box, and the tail end of lock bolt can extend the main contact arm of locking lock bolt;
One main lockhole is arranged on the main side of locking;
One secondary lockhole is arranged on the secondary side of locking;
One secondary lock decoding unlocking apparatus, this device is one " L " shape action bars, and the below of action bars is provided with magnetic, and end is provided with the magnetic group, and the layout of the magnetic cylinder that the position of magnetic group and polarity and secondary lock lock bolt circular hole are interior is identical.
When the utility model uses, earlier with the knot that can be undone by a pull oblique cutting below the cushion cap of well seat, then well lid is flat on well seat cushion cap, successively major and minor door bolt is promoted into bolt by major and minor lockhole, well lid just by firm bolt on the well seat.Secondary lock is a coded lock, ties down the main lock bolt of locking, and by the secondary unlocking apparatus of decoding of locking, after secondary lock was unblanked, main lock can be pushed lock bolt aside from main lockhole when driving the pair lock, and the monoblock well lid just can leave the well seat.
The utlity model has sound construction, anti-theft pick-proof, characteristics easy to use, also can transform, prevent that well lid is stolen, ensure the safety of pedestrian's walking and vehicle ' existing manhole.
The utility model will be further described below in conjunction with the drawings and the specific embodiments.
Description of drawings
Fig. 1 is the back side plan view of the utility model anti-stealing manhole cover;
Fig. 2 is the side sectional view of the utility model anti-stealing manhole cover;
Fig. 3 is the combinatorial principle schematic diagram of major and minor lock of the present utility model;
Fig. 4 is the structural representation of the last lock box of secondary lock of the present utility model;
Fig. 5 is the front schematic view of the lock bolt of secondary lock of the present utility model;
Fig. 6 is the structural representation of the following lock box of secondary lock of the present utility model;
Fig. 7 is the reverse side schematic diagram of the lock bolt of secondary lock of the present utility model;
Fig. 8 is the structural representation of secondary lock decoding unlocking apparatus of the present utility model;
Fig. 9 is the work schematic diagram of secondary lock decoding unlocking apparatus of the present utility model;
Figure 10 is the profile in plan of well seat described in the utility model;
Figure 11 is the partial enlarged drawing of A part among Figure 10;
Figure 12 is the partial enlarged drawing of B part among Figure 10.
The specific embodiment
As shown in Figure 1, 2, the utility model anti-stealing manhole cover comprises a well lid 1, and the back side of well lid 1 is provided with a knot that can be undone by a pull 2, and its position is corresponding with the cushion cap 4 of well seat 3.One main lock 5, the side of main lock 5 is provided with a main lockhole 19, and main lock 5 is made up of lock bolt 6, lock housing 7 and lock pad 8, and lock housing 7 connects together with lock pad 8, and the front end sleeve of lock bolt 6 is in lock housing 7, and the rear end of lock bolt 6 has a contact arm 9; Main lock 5 is located at the opposite side of well lid 1 back side with respect to knot that can be undone by a pull 2, and its lock bolt 6 can extend the cushion cap 4 of well seat 3, as shown in Figure 3.One secondary lock 10, the side of secondary lock 10 is provided with a secondary lockhole 20, secondary lock 10 by lock bolt 11, go up lock box 12, lock box 13 and magnetic cylinder 14 are formed down, last lock box 12 front portions are provided with a limited post 24, are provided with a chute 15 in the last lock box 12, as shown in Figure 4; Following lock box 13 middle parts are provided with 3 circular holes 16, are provided with a chute 15 in the box, as shown in Figure 6; Lock bolt 11 the place aheads of secondary lock 10 are provided with a stopper slot 25 corresponding to limited post 24 places of last lock box 12, and the front end of lock bolt 11 is provided with the parts 17 of a suction magnetic, and this suction magnet assembly 17 is a sunk screw, as shown in Figure 5; Lock bolt 11 is provided with 3 circular holes 18 identical with following lock box circular hole 16 corresponding to the following one side of lock box 13, and circular hole 18 is interior to be placed with magnetic cylinder 14 by coded system, as shown in Figure 7; Lock bolt 11 is installed in lock box 12 and the following lock box 13 and slides along chute 15, when lock bolt 11 slides to terminal, promptly among Fig. 3 the D place to the C prescription when overlapping, magnetic cylinder 14 is absorbed in down in the circular hole 16 of lock box 13, so secondary lock 10 just is in locking state, will lead lock bolt 6 lockings of lock 5 simultaneously.
Figure 12 is the partial enlarged drawings of knot that can be undone by a pull 2 bolts on the cushion cap 4 of well seat 3, and cushion cap 4 supports well lid 1 on the one hand, and as the stress point that pins well lid 1, knot that can be undone by a pull 2 is locked in cushion cap 4 bottoms of well seat 3 on the other hand; Figure 11 is the partial enlarged drawings of main lock lock bolt 6 bolts on the cushion cap 4 of well seat 3, and the lock bolt 6 of main lock 5 is locked in cushion cap 4 bottoms of well seat 3.Have only this moment and utilize pair shown in Figure 8 lock decoding unlocking apparatus 21 to draw back the lock bolt 11 of the pair lock 10 of carrying magnetic coding, thereby push contact arm 9 on the main lock lock bolt 6 aside by main lockhole 19, promptly contact arm pushes B place by A place among Fig. 3, opens the master and locks 5.Secondary lock decoding unlocking apparatus 21 is one " L " shape action bars, and the top of action bars 21 is provided with one handle 26, and the below of action bars 21 is provided with magnetic 22, and end is provided with magnetic group 23.After action bars 21 passes secondary lockhole 20, unblank by the sunk screw 17 that magnetic 22 holds on the secondary lock lock bolt 11, but decoding in advance, magnetic group 23 is decode element, the layout of the magnetic cylinder 14 in the position of magnetic group 23 and polarity and the secondary lock lock bolt circular hole 18 is identical, when magnetic group 23 aligned magnetic cylinders 14, repel each other with the same sex and to decode, pull action bars 21 can open auxiliary lock 10, the stopper slot 25 that the lock box 12 anterior limited posts that are provided with 24 cooperate lock bolt 11 the place aheads to be provided with on the secondary lock 10 can prevent that lock bolt 11 breaks away from upper and lower lock box when unblanking, as shown in Figure 9.
The utility model master locks 5 and can be made by stainless steel, and secondary lock 10 is annotated system by rigid plastics.
Claims (5)
1, a kind of anti-stealing manhole cover comprises a well lid (1), it is characterized in that: described well lid (1) has
One knot that can be undone by a pull (2) is arranged on the back side of well lid (1), and its position is corresponding with the cushion cap (4) of well seat (3);
One main lock (5), main lock (5) is made up of lock bolt (6), lock housing (7) and lock pad (8), and lock housing (7) connects together with lock pad (8), and the front end sleeve of lock bolt (6) is in lock housing (7), and the rear end of lock bolt (6) has a contact arm (9); Main lock (5) is located at the opposite side of well lid (1) back side with respect to knot that can be undone by a pull (2), and its lock bolt (6) can extend the cushion cap (4) of well seat (3);
One secondary lock (10), secondary lock (10) by lock bolt (11), go up lock box (12), lock box (13) and magnetic cylinder (14) are formed down, are provided with a chute (15) in the last lock box (12); Following lock box (13) middle part is provided with at least 3 circular holes (16), is provided with a chute (15) in the box; The front end of lock bolt (11) is provided with the parts (17) of a suction magnetic, and lock bolt (11) is provided with and following lock box circular hole (16) quantity and the identical circular hole (18) of size corresponding to the one side of following lock box (13), is placed with magnetic cylinder (14) by coded system in the circular hole (18); Lock bolt (11) is installed in the chute (15) in lock box (12) and the following lock box (13), and the tail end of lock bolt (11) can extend the contact arm (9) of main lock lock bolt (6);
One main lockhole (19) is arranged on the main side of locking (5);
One secondary lockhole (20) is arranged on the secondary side of locking (10);
One secondary lock decoding unlocking apparatus (21), this device is one " L " shape action bars, the below of action bars is provided with magnetic (22), and end is provided with magnetic group (23), and the layout of the magnetic cylinder (14) in the position of magnetic group (23) and polarity and the secondary lock lock bolt circular hole (18) is identical.
2, anti-stealing manhole cover according to claim 1, it is characterized in that: last lock box (12) front portion of secondary lock (10) is provided with a limited post (24), and a stopper slot (25) is located to be provided with corresponding to the limited post (24) of last lock box (12) in lock bolt (11) the place ahead of secondary lock (10).
3, anti-stealing manhole cover according to claim 1 is characterized in that: the suction magnet assembly (17) that secondary lock lock bolt (11) front end is provided with is a sunk screw.
4, anti-stealing manhole cover according to claim 1 is characterized in that: the top of action bars (21) is provided with one handle (26).
5, according to each described anti-stealing manhole cover of claim 1～4, it is characterized in that: main lock (5) is made by stainless steel, and secondary lock (10) is annotated system by rigid plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249857 CN2583201Y (en) | 2002-11-27 | 2002-11-27 | Theft-proof manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249857 CN2583201Y (en) | 2002-11-27 | 2002-11-27 | Theft-proof manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2583201Y true CN2583201Y (en) | 2003-10-29 |
Family
ID=33720203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02249857 Expired - Fee Related CN2583201Y (en) | 2002-11-27 | 2002-11-27 | Theft-proof manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2583201Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967921A (en) * | 2010-09-30 | 2011-02-09 | 章铭德 | Anti-theft lock for manhole cover |
| CN103397664A (en) * | 2013-08-05 | 2013-11-20 | 上海圣享科技股份有限公司 | Anti-theft alarming manhole cover and anti-theft and alarming method thereof |
-
2002
- 2002-11-27 CN CN 02249857 patent/CN2583201Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967921A (en) * | 2010-09-30 | 2011-02-09 | 章铭德 | Anti-theft lock for manhole cover |
| CN101967921B (en) * | 2010-09-30 | 2012-11-28 | 章铭德 | Anti-theft lock for manhole cover |
| CN103397664A (en) * | 2013-08-05 | 2013-11-20 | 上海圣享科技股份有限公司 | Anti-theft alarming manhole cover and anti-theft and alarming method thereof |
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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 |