CN216486693U - Anti-theft device for manhole cover - Google Patents
Anti-theft device for manhole cover Download PDFInfo
- Publication number
- CN216486693U CN216486693U CN202220018867.XU CN202220018867U CN216486693U CN 216486693 U CN216486693 U CN 216486693U CN 202220018867 U CN202220018867 U CN 202220018867U CN 216486693 U CN216486693 U CN 216486693U
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- China
- Prior art keywords
- theft
- well lid
- well
- connecting rod
- wall
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- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 230000003068 static effect Effects 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 8
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a well lid theftproof technical field specifically is a well lid anti-theft device, including annular fixing base, theftproof link mechanism, a plurality of theftproof trigger mechanism and alarm control mechanism, the outer wall subsides of fixing base are established and are fixed the position that lies in the well lid below on the well inner wall, and the upper end terminal surface of the marginal butt fixing base of well lid is connected through theftproof link mechanism between well lid and the well inner wall, a plurality of theftproof trigger mechanism and alarm control mechanism install on the fixing base. In the anti-theft device for the well lid, the well lid is connected with the inner wall of the well through the anti-theft connecting rod mechanism, so that the well lid is not easy to separate from the inner wall of the well, and the anti-theft of the well lid is effectively prevented; when the well lid is lifted, the anti-theft triggering mechanism triggers the alarm control mechanism to automatically alarm. Therefore, the anti-theft linkage mechanism, the anti-theft trigger mechanisms and the alarm control mechanism are mutually matched, so that a better anti-theft effect is achieved.
Description
Technical Field
The utility model relates to a well lid theftproof technical field specifically is a well lid anti-theft device.
Background
In urban road's construction, the well lid is a common public device, and the stolen common phenomenon of well lid can cause very big potential safety hazard for pedestrian and vehicle when the well lid lacks, and current iron well lid and well head components of a whole that can function independently installation are very easily stolen and are caused the incident.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a well lid anti-theft device for solving above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a manhole cover anti-theft device comprises an annular fixed seat, an anti-theft connecting rod mechanism, a plurality of anti-theft triggering mechanisms and an alarm control mechanism, wherein the outer wall of the fixed seat is attached and fixed on the inner wall of a manhole at a position below the manhole cover; each anti-theft trigger mechanism comprises a magnetic block, a slide bar, a movable conducting strip, a static conducting strip, a sleeve, a spring and a fixing part, wherein the upper end of the slide bar is fixedly connected with the magnetic block, the lower end of the slide bar is fixedly connected with the movable conducting strip, the static conducting strip is fixedly arranged on the inner wall of the fixing seat and is positioned under the movable conducting strip, the movable conducting strips of each anti-theft trigger mechanism are connected in parallel through a lead, the static conducting strips of each anti-theft trigger mechanism are also connected in parallel through a lead, the movable conducting strips and the static conducting strips of each anti-theft trigger mechanism are electrically connected with the alarm control mechanism through leads to form an anti-theft circuit, the fixing part of each anti-theft trigger mechanism is circumferentially arranged on the inner wall of the fixing seat, the sleeve is fixedly arranged on the fixing part and is sleeved on the periphery of the slide bar, the slide bar can move back and forth along the sleeve, the spring is sleeved on the periphery of the slide bar and is arranged between the movable conducting strips and the sleeve, when the slide bar moves upwards, the magnetic force of the magnetic block adsorbs the well cover, meanwhile, the spring is compressed between the movable conducting plate and the sleeve; when the slide bar moves downwards, the movable conducting strip is in conductive contact with the static conducting strip, and the anti-theft circuit is in a power-on state.
Preferably, the fixed seat is close to the wellhead and extends horizontally to form an annular flange, the upper surface of the flange and the upper end face of the fixed seat are located on the same plane, the well lid is abutted against the flange, the flange is provided with a plurality of through holes along the circumferential direction, an anti-theft trigger mechanism is correspondingly arranged right below each through hole, and the magnetic block is arranged in each through hole.
Preferably, the well lid is made of cast iron, the magnetic block is a permanent magnet, the slide bar is made of plastic, the movable conducting strip and the static conducting strip are copper sheets, and the control chip is a single chip microcomputer.
Preferably, the anti-theft linkage mechanism comprises a first hinge portion, a first connecting rod, a second connecting rod and a second hinge portion, the first hinge portion is fixedly connected to the center of the well lid, the second hinge portion is fixedly connected to the inner wall of the well and located below the fixing seat, the upper end of the first connecting rod is hinged to the first hinge portion through a hinge shaft, the upper end of the second connecting rod is hinged to the lower end of the first connecting rod through a hinge shaft, and the lower end of the second connecting rod is hinged to the second hinge portion through a hinge shaft.
Preferably, the cross-section of the main body parts of the first connecting rod and the second connecting rod is in a cross shape.
Preferably, the alarm control mechanism is installed on the inner wall of the fixing seat and comprises a circuit board, a control chip arranged on the circuit board, a power supply, a buzzer and a wireless communication module, wherein the buzzer and the wireless communication module are respectively and electrically connected with the control chip.
In the anti-theft device for the well lid, the well lid is connected with the inner wall of the well through the anti-theft connecting rod mechanism, so that the well lid is not easy to separate from the inner wall of the well, and the anti-theft of the well lid is effectively prevented; when the well lid is lifted, the anti-theft triggering mechanism triggers the alarm control mechanism to automatically alarm. Therefore, the anti-theft linkage mechanism, the anti-theft trigger mechanisms and the alarm control mechanism are mutually matched, so that a better anti-theft effect is achieved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a manhole cover anti-theft device provided in a preferred embodiment of the present invention;
FIG. 2 is a side cross-sectional view of the well cover theft protection device of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of the connection between the anti-theft linkage mechanism and the well lid in FIG. 2;
FIG. 5 is a cross-sectional schematic view of the first link of FIG. 2;
FIG. 6 is a block diagram of the components of the alarm control mechanism of FIG. 2;
in the figure: 10. a well cover; 11. an inner wall of the well; 20. a fixed seat; 22. a flange; 220. a through hole; 30. an anti-theft link mechanism; 31. a first hinge portion; 32. a first link; 33. a second link; 34. a second hinge portion; 35. hinging a shaft; 40. an anti-theft triggering mechanism; 41. a magnetic block; 42. a slide bar; 43. a movable conducting strip; 44. a static conductive sheet; 45. a sleeve; 46. a spring; 47. a fixed part; 50. an alarm control mechanism; 51. a circuit board; 52. a power source; 53. a buzzer; 54. a control chip; 55. a wireless communication module.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 to 6, a preferred embodiment of the present invention provides an anti-theft device for a manhole cover, which includes an annular fixing base 20, an anti-theft link mechanism 30, a plurality of anti-theft triggering mechanisms 40 and an alarm control mechanism 50.
The outer wall subsides of fixing base 20 establish and fix the position that lies in well lid 10 below on well inner wall 11, the upper end terminal surface of the marginal butt fixing base 20 of well lid 10, fixing base 20 is close to well mouth department and extends along the level and form an annular flange 22, the upper surface of flange 22 and the upper end terminal surface of fixing base 20 are located the coplanar, well lid 10 butt flange 22, the material of well lid 10 is cast iron, this flange 22 is equipped with a plurality of through holes 220 along circumference.
An anti-theft trigger mechanism 40 is correspondingly arranged right below each through hole 220, and each anti-theft trigger mechanism 40 comprises a magnet 41, a sliding rod 42, a movable conducting strip 43, a static conducting strip 44, a sleeve 45, a spring 46 and a fixing part 47.
The magnetic block 41 is a permanent magnet and is arranged in the through hole 220, the slide rod 42 is made of plastic, the upper end of the slide rod 42 is fixedly connected with the magnetic block 41, the lower end of the slide rod 42 is fixedly connected with the movable conducting strip 43, the static conducting strip 44 is fixed on the inner wall of the fixed seat 20 through a screw and is positioned right below the movable conducting strip 43, the movable conducting strips 43 of the anti-theft triggering mechanisms 40 are connected in parallel through a conducting wire (not shown) and are electrically connected with the alarm control mechanism 50, the static conducting strips 44 of the anti-theft triggering mechanisms 40 are also connected in parallel through conducting wires and are electrically connected with the alarm control mechanism 50, in the embodiment, the movable conducting strip 43 and the static conducting strip 44 are copper sheets; the movable conducting strip 43 of each anti-theft triggering mechanism 40 and the static conducting strip 44 of each anti-theft triggering mechanism 40 are electrically connected with the alarm control mechanism 50 through leads to form an anti-theft circuit; the fixing portion 47 of each anti-theft triggering mechanism 40 is circumferentially installed on the inner wall of the fixing base 20 by screws, the sleeve 45 is correspondingly fixed on the fixing portion 47 and sleeved on the periphery of the sliding rod 42, the sliding rod 42 can move back and forth along the sleeve 45, and the spring 46 is sleeved on the periphery of the sliding rod 42 and is arranged between the movable conducting strip 43 and the sleeve 45.
The alarm control mechanism 50 is mounted on the inner wall of the fixing base 20, and includes a circuit board 51, a control chip 54 disposed on the circuit board 51, a power supply 52, a buzzer 53 and a wireless communication module 55, the buzzer 53 and the wireless communication module 55 are electrically connected to the control chip 54, the power supply 52 is used for providing electric energy for the alarm control mechanism 50, and in this embodiment, the control chip 54 is a single chip microcomputer.
The antitheft link mechanism 30 includes a first hinge portion 31, a first link 32, a second link 33, and a second hinge portion 34. The first hinge portion 31 is fixed to the center of the manhole cover 10 by welding, but the manhole cover 10 and the first hinge portion 31 may be cast as a single body; the second hinge portion 34 is connected and fixed to the inner wall 11 of the well and located below the fixing seat 20, the upper end of the first connecting rod 32 is hinged to the first hinge portion 31 through a hinge shaft 35, the upper end of the second connecting rod 33 is hinged to the lower end of the first connecting rod 32 through a hinge shaft 35, and the lower end of the second connecting rod 33 is hinged to the second hinge portion 34 through a hinge shaft 35. As shown in fig. 5, the cross-sections of the main body portions (portions other than the hinge portions) of the first link 32 and the second link 33 are cross-shaped, and the cross-sections of the first link 32 and the second link 33 are cross-shaped, so that they are light in weight and strong in bending resistance.
The utility model discloses during the use, when well lid 10 flat cover in well head department, make the edge butt of well lid 10 on the upper end terminal surface of fixing base 20, magnetic path 41 adsorbs and drives slide bar 42 rebound with well lid 10 magnetic force, and slide bar 42 drives and moves conducting strip 43 rebound and separates with quiet conducting strip 44, and spring 46 is compressed and is moving between conducting strip 43 and the sleeve 45, and the theftproof circuit is in the off-state this moment, and alarm control mechanism 50 is out of work. When the manhole cover 10 is opened, the magnetic block 41 is separated from the manhole cover 10, the magnetic block 41 drives the sliding rod 42 to move downwards under the action of gravity, meanwhile, the compressed spring 46 resets and drives the movable conducting strip 43 to move downwards, the movable conducting strip 43 is in conductive contact with the static conducting strip 44, the anti-theft circuit is in a power-on state at the moment, the control chip 54 controls the buzzer 53 to give an alarm sound, and a remote alarm signal is sent to the outside through the wireless communication module 55. Understandably, the well lid maintenance person can turn off the power supply 52 of the alarm control mechanism 50 by using the remote controller in advance, so that the well lid maintenance person cannot give an alarm when opening the well lid 10. In addition, the well lid 10 is connected with the inner wall 11 of the well through the anti-theft connecting rod mechanism 30, so that the well lid 10 is not easy to separate from the inner wall 11 of the well, and an anti-theft effect is effectively achieved.
In the anti-theft device for the well lid, the well lid 10 is connected with the inner wall 11 of the well through the anti-theft connecting rod mechanism 30, so that the well lid 10 is not easy to separate from the inner wall 11 of the well, and the anti-theft of the well lid 10 is effectively prevented; when the well lid 10 is lifted, the anti-theft triggering mechanism 40 triggers the alarm control mechanism 50, and an alarm can be automatically given. Therefore, the anti-theft linkage mechanism 30, the plurality of anti-theft trigger mechanisms 40 and the alarm control mechanism 50 are mutually matched, so that a better anti-theft effect is achieved.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a well lid anti-theft device which characterized in that: the anti-theft well cover comprises an annular fixed seat, an anti-theft connecting rod mechanism, a plurality of anti-theft triggering mechanisms and an alarm control mechanism, wherein the outer wall of the fixed seat is attached and fixed at a position below the well cover on the inner wall of the well; each anti-theft trigger mechanism comprises a magnetic block, a slide bar, a movable conducting strip, a static conducting strip, a sleeve, a spring and a fixing part, wherein the upper end of the slide bar is fixedly connected with the magnetic block, the lower end of the slide bar is fixedly connected with the movable conducting strip, the static conducting strip is fixedly arranged on the inner wall of the fixing seat and is positioned under the movable conducting strip, the movable conducting strips of each anti-theft trigger mechanism are connected in parallel through a lead, the static conducting strips of each anti-theft trigger mechanism are also connected in parallel through a lead, the movable conducting strips and the static conducting strips of each anti-theft trigger mechanism are electrically connected with the alarm control mechanism through leads to form an anti-theft circuit, the fixing part of each anti-theft trigger mechanism is circumferentially arranged on the inner wall of the fixing seat, the sleeve is fixedly arranged on the fixing part and is sleeved on the periphery of the slide bar, the slide bar can move back and forth along the sleeve, the spring is sleeved on the periphery of the slide bar and is arranged between the movable conducting strips and the sleeve, when the slide bar moves upwards, the magnetic force of the magnetic block adsorbs the well cover, meanwhile, the spring is compressed between the movable conducting plate and the sleeve; when the slide bar moves downwards, the movable conducting strip is in conductive contact with the static conducting strip, and the anti-theft circuit is in a power-on state.
2. The manhole cover anti-theft device according to claim 1, wherein: the fixed seat is close to the well mouth and extends along the level to form an annular flange, the upper surface of flange and the upper end terminal surface of fixed seat are located the coplanar, well lid butt flange, and this flange is equipped with a plurality of through holes along circumference, corresponds under every through hole to be equipped with an theftproof trigger mechanism, and the magnetic path is arranged in the through hole.
3. The manhole cover anti-theft device according to claim 1, wherein: the well lid is made of cast iron, the magnetic block is a permanent magnet, the slide bar is made of plastic, the movable conducting strip and the static conducting strip are copper sheets, and the control chip is a single chip microcomputer.
4. The manhole cover anti-theft device according to claim 1, wherein: the anti-theft connecting rod mechanism comprises a first hinged portion, a first connecting rod, a second connecting rod and a second hinged portion, the first hinged portion is fixedly connected to the center of the well lid, the second hinged portion is fixedly connected to the inner wall of the well and located below the fixing seat, the upper end of the first connecting rod is hinged to the first hinged portion through a hinged shaft, the upper end of the second connecting rod is hinged to the lower end of the first connecting rod through a hinged shaft, and the lower end of the second connecting rod is hinged to the second hinged portion through a hinged shaft.
5. The manhole cover anti-theft device according to claim 4, wherein: the cross sections of the main body parts of the first connecting rod and the second connecting rod are in a cross shape.
6. The manhole cover anti-theft device according to claim 1, wherein: the alarm control mechanism is arranged on the inner wall of the fixing seat and comprises a circuit board, a control chip arranged on the circuit board, a power supply, a buzzer and a wireless communication module, wherein the buzzer and the wireless communication module are respectively and electrically connected with the control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018867.XU CN216486693U (en) | 2022-01-06 | 2022-01-06 | Anti-theft device for manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018867.XU CN216486693U (en) | 2022-01-06 | 2022-01-06 | Anti-theft device for manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216486693U true CN216486693U (en) | 2022-05-10 |
Family
ID=81434708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220018867.XU Expired - Fee Related CN216486693U (en) | 2022-01-06 | 2022-01-06 | Anti-theft device for manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216486693U (en) |
-
2022
- 2022-01-06 CN CN202220018867.XU patent/CN216486693U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |