CN212540742U - Well lid monitoring device - Google Patents
Well lid monitoring device Download PDFInfo
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- CN212540742U CN212540742U CN202021461119.6U CN202021461119U CN212540742U CN 212540742 U CN212540742 U CN 212540742U CN 202021461119 U CN202021461119 U CN 202021461119U CN 212540742 U CN212540742 U CN 212540742U
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- compression spring
- bottom plate
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Abstract
The utility model relates to a well lid monitoring devices. The well cover guiding and positioning device comprises a mounting box fixed below a well cover, a circuit board is fixed in a mounting cavity, a reed switch is arranged on the upper portion of the circuit board, a guiding and positioning box comprises a top plate, a side cylinder and a bottom plate, the bottom plate is detachably connected with an upper cover, a guiding hole extending up and down is formed in the top plate, and a guiding ball is arranged on the hole wall of the guiding hole in a rolling mode; the sliding assembly is in including the slip assembly the slide bar of guiding hole department, the lower part of slide bar is equipped with the permanent magnet, and the external diameter of permanent magnet is greater than the aperture of guiding hole, is connected with interior compression spring between permanent magnet and the bottom plate, and the upper portion of slide bar is connected with outer compression spring, and outer compression spring's diameter is greater than the aperture of guiding hole, and outer compression spring's top is equipped with and is used for supporting the complex spheroid with the well lid. Has the following advantages: the service life of the equipment is long, and the equipment is not easy to damage; the waterproof effect is good; the sliding rod is not easy to be blocked and can slide flexibly; simple structure and low cost.
Description
Technical Field
The utility model relates to a well lid monitoring devices.
Background
The urban underground pipe network is constantly in positive price along with the development of cities, and the number of well covers of the underground pipe network is increased day by day. The well lid of a plurality of trades such as municipal administration, communication, gas, heating power, electric power, traffic pipe is densely covered in each corner in city, because its right is complicated, and quantity is huge, and the well lid is stolen, the well lid falls, sinks the incident such as frequently for each administrative department's burden increases, causes very big potential safety hazard for pedestrian and vehicle simultaneously, and the condition that the pipe network resource was occupied between each trade also takes place occasionally simultaneously.
The well lid monitoring devices in the existing market have the following problems: 1. when the well lid is used, the well lid needs to be opened and closed during maintenance, and wheels can drive the well lid to vibrate when passing through the well lid; 2. the water cannot be effectively prevented, and the water can be damaged due to water inflow; 3. the sensitivity of the sensor is not high after the sensor is used for a long time, and the situations of false alarm and failure of alarm are easy to occur; 4. the structure is complicated, and the cost is higher.
The above problems limit the wide-range popularization and application of these monitoring devices, and better monitoring devices or monitoring methods are urgently needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can effective shock attenuation, not fragile, waterproof performance is good, stable performance, low cost's well lid monitoring devices during the use.
In order to achieve the above object, the utility model discloses a well lid monitoring devices adopts following technical scheme: a manhole cover monitoring device comprising:
the mounting box is fixed below the well cover to be detected and comprises an upper cover and a bottom cover, and the upper cover and the bottom cover are detachably connected and then enclose a closed mounting cavity;
the circuit board is fixed in the mounting cavity, and a reed switch is arranged at the upper part of the circuit board;
the guide positioning box comprises a top plate, a side cylinder and a bottom plate, the bottom plate is detachably connected with the upper cover, a guide hole extending up and down is formed in the top plate, and a guide ball is assembled on the hole wall of the guide hole in a rolling mode;
the sliding assembly comprises a sliding rod which is assembled at the position of the guide hole in a sliding mode, a permanent magnet is arranged on the lower portion of the sliding rod, the outer diameter of the permanent magnet is larger than the aperture of the guide hole, an inner compression spring is connected between the permanent magnet and the bottom plate, an outer compression spring is connected to the upper portion of the sliding rod, the diameter of the outer compression spring is larger than the aperture of the guide hole, and a ball body which is matched with the well cover in an abutting mode is arranged at the top of the outer compression spring;
the permanent magnet is provided with an upper limit position contacted with the top plate and a lower limit position which enables the reed pipe to be positioned in an effective magnetic field area of the permanent magnet on the movement stroke, contacts at two ends of the reed pipe are closed when the permanent magnet is positioned at the lower limit position, and the contacts at two ends of the reed pipe are disconnected after the permanent magnet is away from the lower limit position for a certain distance.
On the basis of the scheme, the improved structure is that the circuit board is connected with a battery box, and a button battery is arranged in the battery box; the circuit board is also provided with a wireless transmitting module. This mode need not to connect the cable, and wireless mode transmission signal is more convenient, and the sealing performance of mounting box is better moreover.
On the basis of the scheme, the improved structure is further characterized in that the bottom cover is provided with a threading hole, and the power line and the signal line of the circuit board penetrate out of the threading hole through the line sealing body.
On the basis of the scheme, the diameter of the side barrel is smaller than that of the bottom plate, a plurality of screw holes are formed in the bottom plate, blind holes are formed in the upper cover and the screw holes in a one-to-one correspondence mode, internal threads are formed in the blind holes, and the bottom plate is fixed with the upper cover through screws. The setting of screw thread blind hole makes the leakproofness that conveniently connects and do not influence the mounting box promptly.
On the basis of the scheme, the improved structure is further characterized in that the upper cover and the bottom cover are connected through a buckle, and a sealing gasket is arranged at a gap of a connected butt joint surface. This mode not only easy dismounting does not influence the leakproofness of mounting box moreover.
On the basis of the scheme, the thickness of the top plate is further improved to be larger than that of the side barrel. The length of the guide hole is ensured to be long enough so as to achieve better guiding effect.
On the basis of the scheme, the thickness of the top plate is further improved to be not less than 20 mm.
The utility model has the advantages that: (1) the equipment is longe-lived, not fragile, the utility model discloses a well lid monitoring devices is when using, the spheroid contacts with the well lid, then pass power for outer compression spring, the lower extreme of outer compression spring is after contacting the guiding orientation box, later atress all transmits to the guiding orientation box, play the purpose to slide bar and permanent magnet off-load, therefore, when the well lid is in the closed condition, the vibrations that the vehicle brought the well lid can not cause the influence to the permanent magnet, the position of permanent magnet is invariable, it is inconvenient to have guaranteed the response scope of permanent magnet and tongue tube, can not lead to the condition of wrong report police, and because the upper and lower both ends of slide bar set up respectively the existence of interior compression spring and the outer compression spring, can play fine buffering effect, make the vibrations of transmitting to mounting box and guiding orientation box very little, can show the life-span that improves equipment; (2) the waterproof effect is good, because of adopting the magnetic induction to make the triggering mode, the circuit board and sensor of the apparatus, etc. can be in the airtight mounting box, after the mounting box is sealed, generally needn't dismantle, and because will not bear the shake, its leakproofness is very good, can guarantee the good seal for a long time, even the water flowing down the well lid flows to the mounting box or there is water to soak to the mounting box in the lower part, can guarantee the good seal of the mounting box too, keep the inside dry, further improve the apparatus life-span; (3) the sliding rod is not easy to clamp and flexible to slide, and the arrangement of the guide holes ensures that the sliding rod can keep sliding in the vertical direction without deflection, so that even if the force application direction of the well cover to the ball body sometimes deflects, the compensation can be carried out due to the existence of the external compression spring; (4) the structure is simple, the cost is low, the whole device only uses simple and easily-obtained parts such as springs, rod pieces, reed pipes and magnets, the cost is low, the structure is simple, and the device is very practical.
Drawings
FIG. 1 is a front view of one embodiment of a well lid monitoring device;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the well lid monitoring device in a closed position;
FIG. 4 is a schematic view of the well lid monitoring device in a state when the well lid is open;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
in the figure: 1-mounting box, 11-upper cover, 111-threaded blind hole, 112-annular boss, 12-bottom cover, 121-threading hole, 122-power line and signal line, 123-buckle, 13-mounting cavity, 2-circuit board, 21-reed pipe, 3-guiding positioning box, 31-top plate, 311-guiding hole, 312-guiding ball, 32-side cylinder, 33-bottom plate, 331-screw hole, 4-sliding component, 41-sliding rod, 42-permanent magnet, 43-internal compression spring, 44-external compression spring, 45-sphere, 5-screw and 6-well cover.
Detailed Description
The utility model discloses a well lid monitoring devices's embodiment, as shown in fig. 1-5, well lid monitoring devices includes mounting box 1, circuit board 2, guiding orientation box 3 and sliding component 4.
The mounting box 1 is fixed in the well lid 6 below of waiting to detect, is cylindrical, including upper cover 11 and bottom 12, and upper cover 11 is the downward tubbiness of opening, and the material of mounting box 1 is plastics, encloses into inclosed installation cavity 13 behind upper cover 11 and the 12 releasable connection of bottom.
The circuit board 2 is fixed in the mounting cavity 13, and the upper part of the circuit board 2 is provided with a reed switch 21.
The guiding and positioning box 3 comprises a top plate 31, a side tube 32 and a bottom plate 33, the bottom plate 33 and an upper cover 11 are detachably connected, a guiding hole 311 extending from top to bottom is formed in the top plate 31, a guiding ball 312 is assembled on the hole wall of the guiding hole 311 in a rolling mode, two rows of spherical holes used for installing the guiding ball 312 are formed in the hole wall in a vertical mode, the guiding ball 312 is installed and then contracted, the guiding ball 312 can freely roll in the spherical hole but cannot come out, hard plastic can be selected for use for the guiding and positioning box 3, and metal materials can also be selected for use.
The sliding assembly 4 comprises a sliding rod 41 which is assembled at the guide hole in a sliding mode, a permanent magnet 42 is arranged on the lower portion of the sliding rod 41, a neodymium iron boron magnet is selected in the embodiment, the outer diameter of the permanent magnet 42 is larger than the aperture of the guide hole 311, an inner compression spring 43 is connected between the permanent magnet 42 and the bottom plate 33, an outer compression spring 44 is connected to the upper portion of the sliding rod 41, the diameter of the outer compression spring 44 is larger than the aperture of the guide hole 311, and a ball body 45 which is used for being abutted and matched with the well lid 6 is arranged on the top of the outer; the arrangement of the permanent magnet 42 at the lower end of the sliding rod 41 and the outer compression spring 44 at the upper end respectively form limiting structures at two ends of the sliding rod 41, so that the sliding rod 41 is limited by the permanent magnet 42 when sliding to the uppermost edge and limited by the outer compression spring 44 when sliding to the lowermost edge.
The permanent magnet 42 has an upper limit position contacting with the top plate 31 and a lower limit position enabling the reed pipe 21 to be in an effective magnetic field area of the permanent magnet 42 on the moving stroke, the contacts at the two ends of the reed pipe 21 are closed when the permanent magnet 42 is in the lower limit position, and the contacts at the two ends of the reed pipe 21 are opened after the permanent magnet 42 leaves the lower limit position for a certain distance.
In this embodiment, the bottom cover 12 is provided with a threading hole 121, and the power line and the signal line 122 of the circuit board 2 penetrate out of the threading hole 121 through the wire sealing body, and an external energy supply mode is adopted. In other embodiments, a battery box is connected to the circuit board 2, and a button battery is installed in the battery box; the circuit board 2 is also provided with a wireless transmitting module. This mode need not to connect the cable, and wireless mode transmission signal is more convenient, and the sealing performance of mounting box 1 is better moreover.
In this embodiment, as shown in fig. 2, the outer diameter of the side tube 32 is smaller than the diameter of the bottom plate 33, the bottom plate 33 is provided with a plurality of screw holes 331, the upper cover 11 and the screw holes 331 are provided with blind holes in one-to-one correspondence, internal threads are provided in the blind holes, and the bottom plate 33 is fixed to the upper cover 11 through screws 5. The blind threaded hole 111 is provided to facilitate connection without affecting the sealing performance of the mounting box 1.
As shown in fig. 2 and 3, the upper cover 11 and the bottom cover 12 are connected by a snap 123, and a sealing gasket is arranged at a gap of the connected abutting surfaces. This mode not only easy dismounting does not influence the leakproofness of mounting box 1 moreover. The thickness of the top plate 31 is greater than that of the side tube 32. It is ensured that the length of the guide hole 311 is long enough to achieve a better guiding effect. The thickness of the top plate 31 is not less than 20 mm.
When the manhole cover is used, the manhole cover 6 is fixed on the side wall of a well through a support and is located at a proper position below the manhole cover 6, in the process of covering the manhole cover 6, the manhole cover 6 compresses the ball body 45, the ball body 45 drives the outer compression spring 44 to move downwards to drive the sliding rod 41 and the permanent magnet 42 to move downwards, so that the inner compression spring 43 is compressed, when the outer compression spring 44 is moved to be in contact with the guide positioning box 3, the sliding rod 41 stops moving, the permanent magnet 42 is located at the lower limit position, the reed pipe 21 located in the mounting box 1 is influenced by a magnetic field, contacts at two ends are conducted, the circuit control panel detects the signal and outputs a closing signal, the circuit board 2 enters a sleep low-power-consumption mode, and then the outer compression spring 44 is; when the manhole cover 6 is taken down, the outer compression spring 44 gradually extends, the inner compression spring 43 extends along with the outer compression spring to drive the permanent magnet 42 to move upwards, and when the reed switch 21 is moved to a magnetic field area where the permanent magnet 42 is separated, the circuit control board detects a corresponding signal, the circuit board 2 wakes up to output an opening signal, and the far end can obtain the prompt that the manhole cover 6 is opened.
The utility model has long service life and is not easy to damage, when the manhole cover monitoring device is used, the ball body 45 is contacted with the manhole cover 6, then force is transferred to the outer compression spring 44, after the lower end of the outer compression spring 44 is contacted with the guiding and positioning box 3, the later stress is transferred to the guiding and positioning box 3, and the aim of unloading the sliding rod 41 and the permanent magnet 42 is fulfilled, therefore, when the manhole cover 6 is in a closed state, the vibration of the manhole cover 6 brought by a vehicle cannot influence the permanent magnet 42, the position of the permanent magnet 42 is constant, the inconvenience of the induction range of the permanent magnet 42 and the reed pipe 21 is ensured, the condition of false alarm cannot be caused, and because the inner compression spring 43 and the outer compression spring 44 which are respectively arranged at the upper end and the lower end of the sliding rod 41 can play a good buffering effect, the vibration transferred to the mounting box 1 and the guiding and positioning box 3 is very small, the service life of the equipment can be obviously prolonged; the waterproof effect is good, because of adopting the magnetic induction to make the triggering mode, the circuit board 2 and sensor of the apparatus, etc. can be in the airtight mounting box 1, after the mounting box 1 is sealed, generally do not need to dismantle, and because will not bear the vibrations, its leakproofness is very good, can guarantee the good seal for a long time, even if the water flowing down on the well lid 6 flows to the mounting box 1 or there is water to soak in the mounting box 1 in the lower part, can guarantee the good seal of the mounting box 1 too, keep the inside dry, further improve the apparatus life-span; the sliding rod 41 is not easy to be clamped and can slide flexibly, and the arrangement of the guide hole 311 ensures that the sliding rod 41 can keep sliding in the vertical direction without deflection, so that even if the force application direction of the well lid 6 to the ball 45 sometimes deflects, the compensation can be carried out due to the existence of the outer compression spring 44; the structure is simple, the cost is low, the whole device only uses simple and easily-obtained parts such as a spring, a rod piece, a reed switch 21 and a magnet, the cost is low, the structure is simple, and the device is very practical.
Claims (7)
1. A well lid monitoring device, comprising:
the mounting box is fixed below the well cover to be detected and comprises an upper cover and a bottom cover, and the upper cover and the bottom cover are detachably connected and then enclose a closed mounting cavity;
the circuit board is fixed in the mounting cavity, and a reed switch is arranged at the upper part of the circuit board;
the guide positioning box comprises a top plate, a side cylinder and a bottom plate, the bottom plate is detachably connected with the upper cover, a guide hole extending up and down is formed in the top plate, and a guide ball is assembled on the hole wall of the guide hole in a rolling mode;
the sliding assembly comprises a sliding rod which is assembled at the position of the guide hole in a sliding mode, a permanent magnet is arranged on the lower portion of the sliding rod, the outer diameter of the permanent magnet is larger than the aperture of the guide hole, an inner compression spring is connected between the permanent magnet and the bottom plate, an outer compression spring is connected to the upper portion of the sliding rod, the diameter of the outer compression spring is larger than the aperture of the guide hole, and a ball body which is matched with the well cover in an abutting mode is arranged at the top of the outer compression spring;
the permanent magnet is provided with an upper limit position contacted with the top plate and a lower limit position which enables the reed pipe to be positioned in an effective magnetic field area of the permanent magnet on the movement stroke, contacts at two ends of the reed pipe are closed when the permanent magnet is positioned at the lower limit position, and the contacts at two ends of the reed pipe are disconnected after the permanent magnet is away from the lower limit position for a certain distance.
2. The manhole cover monitoring device of claim 1, wherein a battery box is connected to the circuit board, and a button battery is installed in the battery box; the circuit board is also provided with a wireless transmitting module.
3. The manhole cover monitoring device of claim 1, wherein the bottom cover has a threading hole, and the power line and the signal line of the circuit board are threaded out of the threading hole through the wire sealing body.
4. The well lid monitoring device of claim 1, wherein the outer diameter of the side cylinder is smaller than the diameter of the bottom plate, a plurality of screw holes are arranged on the bottom plate, blind holes are arranged on the upper cover in a one-to-one correspondence with the screw holes, internal threads are arranged in the blind holes, and the bottom plate is fixed with the upper cover through screws.
5. The manhole cover monitoring device of claim 1 or 4, wherein the upper cover and the bottom cover are connected by a snap fit, and a sealing gasket is arranged at a gap of the abutting surfaces of the connection.
6. The well lid monitoring device of claim 1, wherein the top plate has a thickness greater than a thickness of the side tube.
7. A manhole cover monitoring device according to claim 6, wherein the thickness of the top plate is not less than 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021461119.6U CN212540742U (en) | 2020-07-22 | 2020-07-22 | Well lid monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021461119.6U CN212540742U (en) | 2020-07-22 | 2020-07-22 | Well lid monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212540742U true CN212540742U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021461119.6U Active CN212540742U (en) | 2020-07-22 | 2020-07-22 | Well lid monitoring device |
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| CN (1) | CN212540742U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835124A (en) * | 2021-08-18 | 2021-12-24 | 苏州瑞力特通信科技有限公司 | Intelligent inspection well cover monitor |
| CN115325918A (en) * | 2022-07-16 | 2022-11-11 | 戴天智能科技（上海）有限公司 | Outer well lid state monitoring switch |
-
2020
- 2020-07-22 CN CN202021461119.6U patent/CN212540742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835124A (en) * | 2021-08-18 | 2021-12-24 | 苏州瑞力特通信科技有限公司 | Intelligent inspection well cover monitor |
| CN115325918A (en) * | 2022-07-16 | 2022-11-11 | 戴天智能科技（上海）有限公司 | Outer well lid state monitoring switch |
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