CN2756711Y - Anti-theft manhole cover - Google Patents
Anti-theft manhole cover Download PDFInfo
- Publication number
- CN2756711Y CN2756711Y CN 200420117269 CN200420117269U CN2756711Y CN 2756711 Y CN2756711 Y CN 2756711Y CN 200420117269 CN200420117269 CN 200420117269 CN 200420117269 U CN200420117269 U CN 200420117269U CN 2756711 Y CN2756711 Y CN 2756711Y
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- CN
- China
- Prior art keywords
- bolt
- well lid
- hole
- projection
- utility
- 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 an anti-theft well cover. The anti-theft well cover comprises a well cover (1) and a well ring (2). A plurality of holes (4) are arranged on the well cover (1), and bolts (3) are arranged through the holes (4). Anomalous nuts (32) are arranged on the tops of the bolts (3), and mixing blocks (31) are arranged at the bottoms of the bolts (3). An anomalous wrench is adopted, the bolts (3) of the utility model can be rotated to cause the mix blocks (31) of the bolts (3) and the well ring (2) to be mixed, thereby, the well cover (1) is locked. Due to the fact that a burglar does not carry the anomalous wrench, the bolts (3) with the anomalous nuts (32) can not be easy to screw off, therefore the utility model can effectively have an anti-theft function.
Description
Technical field:
The utility model relates to a kind of well lid, particularly a kind of anti-stealing manhole cover.
Background technology:
At present, existing well covers has only simple hole, just the well lid unlatching can be taken away with a similar item such as iron wire that has camber, and theftproof performance is poor, and well lid often takes place in the Gucheng town loses phenomenon, not only causes damage to national wealth, but also causes potential safety hazard.
The utility model content:
The purpose of this utility model be to provide a kind of can not the good well lid of the easy theftproof performance that just can steal.
The technical solution of the utility model is: this anti-stealing manhole cover comprises: well lid and walling crib, and well lid is provided with several holes, is provided with bolt by this hole, and the top of this bolt is provided with special-shaped nut, and its bottom is provided with mixes piece.
As a kind of improvement project of the present utility model be: described well lid bottom surface is provided with projection, this projection is provided with the hole, this hole is stretched out in described bolt bottom, describedly mix the external part that piece is located at bolt, mixing of described bolt block-shapedly is that the head length tail is short, described walling crib inboard is provided with block, and this block is with to mix piece corresponding.
As another improvement project of the utility model be: described well lid bottom surface is provided with main ear, and described walling crib is provided with auricular appendage, is provided with chain between main ear and the auricular appendage.
As another improvement project of the utility model be: described walling crib inboard is provided with projection, and this projection is provided with slotted hole, establishes the post bolt in the hole of described well lid, and the slotted hole on the projection is stretched out in this post bolt bottom, and this extension is provided with the bolt cap.
The utility model anti-stealing manhole cover, be provided with bolt by the hole on the well lid, the top of this bolt is provided with special-shaped nut, its bottom is provided with mixes piece, with special-shaped wrench bolt is gone to and to make bolt mix piece and walling crib mix, thereby locking well lid, because stealer is not carried special-shaped wrench, the bolt that can not just will have special-shaped nut is easily turned on, so the utility model can play antitheft effect effectively, simultaneously, sand-lime is filled out in the gap between the nut of bolt and well lid hole, also can play antitheft effect.The utility model is for preventing tilt bolt, be provided with projection in the well lid bottom surface, this projection is provided with the hole, and this hole is stretched out in the bolt bottom, mix piece and be located at its external part, mixing of this bolt is block-shaped short for the head length tail, and the walling crib inboard is provided with block, during the locking well lid, mix the long head and block mix of piece, well lid can only change to a direction like this, can not open as the counter-rotating well lid, helps antitheft.In addition, the utility model is provided with main ear in the well lid bottom surface, walling crib is provided with auricular appendage, be provided with chain between main ear and the auricular appendage, well lid and walling crib are connected as a single entity, and the two can only stagger and be convenient to maintenance, can not directly well lid be taken away, as want to destroy chain and need instrument and certain hour, so also play antitheft effect effectively.The utility model also can be established projection in the walling crib inboard, this projection is provided with slotted hole, wear one than the long column bolt by the well lid hole, bump aperture is stretched out in this post bolt bottom, its external part is provided with the bolt cap, the post bolt just connects together well lid and walling crib, and stealer can not just be taken well lid away at an easy rate, and it is antitheft good equally also to help.
Description of drawings:
Fig. 1 is the front view of a kind of embodiment of the utility model anti-stealing manhole cover.
Fig. 2 is a upward view shown in Figure 1.
Fig. 3 is that A--A shown in Figure 2 is to view.
Fig. 4 is the upward view of the another kind of embodiment of the utility model anti-stealing manhole cover.
Fig. 5 is that B--B shown in Figure 4 is to view.
The specific embodiment:
As shown in Figure 1 and Figure 2, the utility model anti-stealing manhole cover, comprise: well lid 1 and walling crib 2, well lid 1 is provided with several holes 4, generally can on well lid 1 periphery, evenly establish three holes 4, be provided with bolt 3 by this hole 4, the cylinder top of this bolt 3 is provided with special-shaped bolt cap 32, abnormity bolt cap 32 can be triangle or other polygon, answers the corresponding wrench of supporting use like this, could handle this bolt 3 and rotate, bolt 3 bottoms are provided with mixes piece 31, this is mixed piece 31 and fixedly is welded as a whole with bolt 3 cylinders, and when locking well lid, bolt 3 is mixed piece 31 and walling crib 2 mix mutually.As Fig. 2, shown in Figure 3, the utility model tilts for preventing bolt 3, is provided with projection 24 in well lid 1 bottom surface, and this projection 24 is provided with the hole, and this hole is stretched out in bolt 3 bottoms, and the piece 31 of mixing of bolt 3 is located at its external part; Bolt 3 of the present utility model is mixed piece 31 and is shaped as head length tail weak point, for convenience with bolt 3 with mix piece 31 and be fixed together, the afterbody of mixing piece 31 is an oblate arc, establish circular hole at this oblate afterbody, bolt 3 cylinders inject this hole and weld together, establish block 21 in walling crib 2 inboards, between the cylinder of block 21 and bolt 3 certain distance is arranged, the afterbody that this distance can only allow to mix piece 31 turns over, mix the long head of piece 31 and block 21 mixs of walling crib 2 during locking well lid 1, well lid 1 can only change to direction like this, otherwise well lid 1 can not open, when opening well lid 1 as need, rotating bolt 3 makes the long head of mixing piece 31 go to well lid 2 bottoms, afterbody just in time is in bolt 3 to be located with the slit of walling crib 2 blocks 21, and just can take away well lid 1 this moment, is convenient to maintenance; As shown in Figure 1, nut 32 diameters of the utility model bolt 3 are put sand-lime less than 4 footpaths, hole of well lid 1 so that fill out in the gap.As Fig. 4, shown in Figure 5, but the utility model also is provided with main ear 11 in well lid 1 bottom surface, and walling crib 2 is provided with auricular appendage 23, is provided with chain 6 between main ear 11 and the auricular appendage 23, and this chain 6 should have certain intensity.As Fig. 2, shown in Figure 3, the utility model also can be established than long column bolt 5 in well lid 1 hole, be provided with projection 22 in walling crib 2 inboards, this projection 22 is provided with long hole, and post bolt 5 bottoms put in out this hole, stretch out the bottom at it and fix a bolt cap 51, well lid 1 is connected as a single entity by post bolt 5 and walling crib 2 like this, and when maintenance needed mobile well lid 1, post bolt 5 can have certain inclination, well lid 1 and walling crib 2 are staggered, be convenient to maintenance.In order to make not corrosion of the utility model, not oxidation, long service life, bolt 3 of the present utility model and post bolt can adopt stainless steel products; In order to reduce cost, bolt 3 of the present utility model can replace with the high-ductility nylon bolt that certain degree of hardness is arranged.
Claims (4)
1, a kind of anti-stealing manhole cover comprises: well lid and walling crib is characterized in that: if described well lid (1) is provided with in individual hole (4), is provided with bolt (3) by this hole (4), and this bolt (3) top is provided with special-shaped nut (32), and its bottom is provided with mixes piece (31).
2, anti-stealing manhole cover according to claim 1, it is characterized in that: described well lid (1) bottom surface is provided with projection (24), this projection (24) is provided with the hole, this hole is stretched out in described bolt (3) bottom, describedly mix the external part that piece (31) is located at bolt (3), to be shaped as the head length tail short for the piece (31) of mixing of described bolt (3), and described walling crib (2) inboard is provided with block (21), and this block (21) is with to mix piece (31) corresponding.
3, anti-stealing manhole cover according to claim 1 and 2 is characterized in that: described well lid (1) bottom surface is provided with main ear (11), and described walling crib (2) is provided with auricular appendage (23), is provided with chain (6) between main ear (11) and the auricular appendage (23).
4, anti-stealing manhole cover according to claim 1 and 2, it is characterized in that: described walling crib (2) inboard is provided with projection (22), this projection (22) is provided with slotted hole, establish post bolt (5) in the hole of described well lid (1), the slotted hole of projection (22) is stretched out in this post bolt (5) bottom, and this extension is provided with bolt cap (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117269 CN2756711Y (en) | 2004-12-30 | 2004-12-30 | Anti-theft manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117269 CN2756711Y (en) | 2004-12-30 | 2004-12-30 | Anti-theft manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2756711Y true CN2756711Y (en) | 2006-02-08 |
Family
ID=35965097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420117269 Expired - Fee Related CN2756711Y (en) | 2004-12-30 | 2004-12-30 | Anti-theft manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2756711Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437378A (en) * | 2013-09-05 | 2013-12-11 | 国家电网公司 | Antitheft cable manhole cover |
| CN109592257A (en) * | 2018-12-27 | 2019-04-09 | 阳光大地（天津）环保工程有限公司 | A kind of medical waste transport box theft-prevention structure and secure identification system |
-
2004
- 2004-12-30 CN CN 200420117269 patent/CN2756711Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437378A (en) * | 2013-09-05 | 2013-12-11 | 国家电网公司 | Antitheft cable manhole cover |
| CN109592257A (en) * | 2018-12-27 | 2019-04-09 | 阳光大地（天津）环保工程有限公司 | A kind of medical waste transport box theft-prevention structure and secure identification system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060208 Termination date: 20100201 |