CN215367422U - Intelligent well lid - Google Patents

Abstract

The utility model discloses an intelligent well lid, which comprises a well lid outer frame and a well lid body, wherein a connecting piece is arranged on the inner wall of the well lid outer frame, a connecting cylinder with a closed structure at the bottom end is arranged on the connecting piece, and a pressure switch and a trigger piece are arranged in the connecting cylinder; the well lid is equipped with the movable cover that is located the connecting cylinder top on the well lid, and movable cover and well lid body detachable connections, the bottom of movable cover is equipped with the gag lever post and the alarm of being connected with the pressure switch electricity, the gag lever post stretches into to the connecting cylinder in, will trigger piece and pressure switch separate. The limiting rod provided by the utility model removes the constraint force on the trigger piece, so that the pressure switch is forced to trigger the alarm to sound, the warning purpose is achieved, the well lid is prevented from being stolen, meanwhile, the connecting piece can play a certain role in blocking the entrance of the well lid outer frame, and the condition that a pedestrian falls into the well from the well lid outer frame after the well lid body is lost is avoided.

Description

Intelligent well lid

Technical Field

The utility model relates to the technical field of well lids, in particular to an intelligent well lid.

Background

There is a large amount of underground structures among the sewage political affairs engineering for lay underground piping and accessories such as urban drainage, electric power, communication, heating, in order to install and the needs of overhauing, every certain distance all need set up the ground export, supply engineering construction personnel and maintainer business turn over, each export all is provided with well seat and well lid, general well lid direct buckle closure is on the well seat, such well lid is opened conveniently, during installation overhauls, it can get into the underground to open the well lid.

The existing intelligent city well lid system is used for managing underground pipelines below a well lid in a city, and in order to quickly know the pipeline condition below the well lid, an overhaul or test person can quickly know the information about the well lid linked with the electronic tag storage information by reading the information stored by an electronic tag fixed on the well lid through a scanning device, for example, a Chinese patent with the publication number of CN206800476U discloses an intelligent well lid, but the existing intelligent well lid is easy to be pried and stolen by lawless persons, and the stealing behavior usually occurs at night or when the well lid is lost, once the well lid is lost, pedestrians fall into the well easily, safety accidents are caused, and the life safety of people is seriously damaged.

SUMMERY OF THE UTILITY MODEL

The intelligent well lid aims to overcome the defects in the prior art, and the intelligent well lid aims to provide the intelligent well lid, wherein the well lid can be prevented from being stolen to a certain extent by utilizing the arranged limiting rods, and when the movable cover on the well lid body is opened, the alarm can be triggered to sound by utilizing the arranged pressure opening, so that the warning effect is achieved, and the risk of the well lid being stolen is reduced.

The utility model is realized by the following technical scheme:

the intelligent well lid comprises a well lid outer frame and a well lid body, wherein a connecting piece is arranged on the inner wall of the well lid outer frame, a connecting cylinder with a closed structure at the bottom end is arranged on the connecting piece, and a pressure switch and a trigger piece are arranged in the connecting cylinder; the well lid is equipped with the movable cover that is located the connecting cylinder top on the well lid, and movable cover and well lid body detachable connections, the bottom of movable cover is equipped with the gag lever post and the alarm of being connected with the pressure switch electricity, the gag lever post stretches into to the connecting cylinder in, will trigger piece and pressure switch separate.

Aiming at the condition that the well lid in the prior art is easy to be stolen, the technical scheme is that the movable lid is further arranged on the existing well lid body, the limiting rod used for blocking the contact between the trigger and the pressure switch is arranged at the bottom of the movable lid, when the well lid body is stolen, the limiting rod moves upwards, the acting force on the trigger is removed, the trigger is forced to be in contact with the pressure switch, the alarm is opened, the alarm sounds at the moment, the well lid body can be effectively prevented from being stolen, and the anti-theft purpose is achieved; this technical scheme still is provided with the connecting piece on well lid frame inner wall, the connecting piece is used for being connected with the connecting cylinder that is equipped with pressure switch on the one hand, play the purpose that supports the connecting cylinder, the connecting piece that another terminal surface set up distributes on well lid frame inner wall, in case the well lid body is from the well lid frame when puting aside, the connecting piece that utilizes the setting can play certain safety protection effect, when the pedestrian falls into the well lid frame carelessly, because the connecting piece distributes in the entrance of well lid frame, make the connecting piece can play certain interim supporting role to the pedestrian, avoid the pedestrian to continue to drop to the deep well in.

Simultaneously, so this technical scheme is provided with the movable cover on the well lid, on the one hand when regularly maintaining the alarm that sets up, because the movable cover is small, light in weight, so easily open the movable cover fast, the maintenance personal of being convenient for carries out the periodic maintenance to the alarm, on the other hand when needing to open other circumstances such as well lid observation well water level, the movable cover that utilizes the setting can be opened from the well lid fast, reach the mesh of the interior situation of quick observation well, compare the tradition and need several maintainers to pry the mode of heavy well lid together, the labour of maintainer has effectively been saved and the efficiency of opening the well lid.

Furthermore, an annular first bulge is arranged in the well lid outer frame, the axis of the first bulge is on the same straight line with the axis of the well lid outer frame, the well lid body is positioned on the first bulge, and a connecting hole is also formed in the side wall of the first bulge; the connecting piece includes a plurality of telescopic links, and the telescopic link includes horizontal pole and solid fixed cylinder, horizontal pole one end is the annular array and distributes on the circumference outer wall of connecting cylinder, and the other end passes through the screw thread to be connected with solid fixed cylinder, gu a fixed cylinder pot head is at the horizontal pole, and the other end is located bellied connecting hole.

In order to place the well lid body on the well lid frame for the convenience, the event is provided with first arch in the well lid frame for the well lid body forms the step hole, conveniently covers the well lid body on this step, in order to reach the purpose of closing the well lid frame.

In convenient connecting piece loading and unloading to the well lid frame, the event sets up the retractable with the length of connecting piece, when needs erection joint spare, the solid fixed cylinder on the rotatory each horizontal pole, make solid fixed cylinder along the axial displacement of horizontal pole, and insert to the connecting hole on the first arch, thereby fix the entrance at the well lid frame with the connecting piece, the connecting cylinder that will be provided with pressure switch is fixed in the below of activity lid on the one hand, guarantee the gag lever post and can connect rather than, the connecting piece of another terminal surface distribution at well lid frame entrance can play certain effect of blockking, when avoiding the well lid body to remove from the well lid frame, the pedestrian takes place to the condition in the well carelessly.

Further, still be equipped with the through-hole that the internal diameter is the same with the movable cover external diameter on the well lid, be equipped with annular second arch in the through-hole, the bellied axial of second is on same straight line with the axis of well lid, and the movable cover is located the second arch.

The through-hole that sets up is used for placing the movable cover, flushes with the upper surface of well lid in order to guarantee the movable cover upper surface simultaneously, does not lead to the fact certain interference to passing pedestrian, so still be provided with the second arch in the through-hole for form the step hole on the well lid, when the lower surface of movable cover and protruding upper surface contact, the upper surface of movable cover just in time flushes with the upper surface of well lid, thereby avoided the movable cover protruding or sunken interference that leads to the fact passing pedestrian on the well lid.

Further, the bottom of movable cover still is equipped with the protective housing, protective housing and movable cover detachable connection, and the top of protective housing is equipped with the holding tank that is used for placing the alarm, the gag lever post runs through the holding tank of protective housing, still be equipped with the battery in the holding tank, the battery is connected with the alarm.

The protective housing that sets up is used for being fixed in the bottom of removable cover with alarm and battery, and the protective housing is connected through removable mode with the removable cover, is convenient for regularly maintain alarm and battery in the protective housing. Pressure switch, battery and the alarm that adopts among this technical scheme are prior art, and the principle that utilizes pressure switch to trigger the alarm and sounds is prior art, and further discussion no longer here, and protective housing lateral wall and bottom all are provided with a plurality of bleeder vents, can reach radiating purpose on the one hand, and on the other hand guarantees that the sound that the alarm produced can transmit to the external world.

Further, the bottom of movable cover still is equipped with the ring channel, still be equipped with first blind hole on the ring channel inner wall, be equipped with the retaining member in the first blind hole, still be equipped with spacing hole on the holding tank inner wall of protective housing, the retaining member can insert to spacing downthehole, fixes the protective housing in the ring channel of movable cover.

This technical scheme is in order to be convenient for be fixed in the bottom of removable cover with the protective housing fast, so be provided with the ring channel in the bottom of removable cover, because be provided with the holding tank that is used for placing battery and alarm on the protective housing for the edge that the protective housing formed can insert to the ring channel in, then utilizes the locking to insert to spacing downthehole, fixes the protective housing in the bottom of removable cover.

Furthermore, a cavity is further arranged in the protective shell, the limiting hole is communicated with the cavity, an unlocking rod is further arranged at the bottom of the protective shell, the unlocking rod is vertically inserted into the cavity of the protective shell, a second blind hole is further formed in the side wall, located in the cavity, of the unlocking rod, and a second elastic piece and an unlocking block are arranged in the second blind hole; the retaining member includes first elastic component and latch segment, the elasticity of first elastic component is less than the second elastic component, and first elastic component one end is connected with the latch segment, and the other end is connected with first blind hole.

When the protective shell and the movable cover are fixed together, the elastic force generated by the first elastic piece can push the locking block to be inserted into the limiting hole in the protective shell, so that the protective shell can be stably fixed at the bottom of the movable cover; and when the maintainer need take off the protective housing from the bottom of movable cover, take out the movable cover from the well lid body earlier, then utilize the hand push to relieve the locking lever, force the unblock lever to remove in the cavity, when unblock piece on the unblock lever removes to the latch segment at level, because the elasticity of second elastic component is greater than the elasticity of first elastic component, make the second elastic component can promote to relieve the latch segment and press the latch segment back to in first blind hole, and the maximum displacement distance of unblock piece is in same vertical plane for the tip of unblock piece and holding tank inner wall on the protective housing, guarantee that the protective housing can shift out smoothly from the ring channel of movable cover.

Furthermore, a limiting block is arranged on the side wall of the unlocking rod positioned in the cavity; the tip of unblock piece orientation latch segment direction still is equipped with the hypotenuse.

Because the protective shell displaces the bottom of the movable cover, in order to avoid the unlocking rod from automatically sliding off from the cavity of the protective shell under the action of gravity, the unlocking rod is provided with a limiting block, so that the unlocking rod is prevented from automatically sliding off; simultaneously in order to make things convenient for the unlocking piece on the unlocking lever to retract to in the second blind hole, so be provided with the hypotenuse on the unlocking piece, when the maintainer pulled the unlocking lever downwards, under the effect of hypotenuse, easily retract the unlocking piece again in the second blind hole to compress the second elastic component, so that unblock next time.

Further, still be equipped with annular third arch in the connecting cylinder, the gag lever post passes through the screw thread and is connected with the third arch, pressure switch is located the bellied bottom of third.

The third arch that sets up is convenient for on the one hand to install pressure switch in the connecting cylinder, on the other hand is used for passing through threaded connection with the gag lever post, when installing the well lid, through rotatory movable cover, it follows to rotate together to drive the gag lever post, the gag lever post passes through the screw thread at the pivoted in-process and is connected with the connecting cylinder, and stretch into and separate pressure switch and trigger piece in the connecting cylinder, this technical scheme utilizes the gag lever post that sets up simultaneously can be in the same place movable cover and connecting piece are fixed, simultaneously because movable cover lid is on the well lid, therefore when needing to open the well lid, must pull down movable cover from the well lid earlier, just can take off the well lid from the well lid frame smoothly, thereby guaranteed that the well lid is not taken place by the condition that lawler took away fast, increased the probability by the discovery when the thief opened the well lid.

Further, the trigger part includes third elastic component and stripper plate, third elastic component one end is connected with the connecting cylinder inner bottom, and the other end is connected with the stripper plate, and when the gag lever post stretched into in the connecting cylinder, the gag lever post can promote the stripper plate and remove towards keeping away from pressure switch direction to compress third elastic component.

When the gag lever post is connected with the connecting cylinder, the lower terminal surface of gag lever post promotes the stripper plate and removes towards keeping away from the pressure switch direction for pressure switch is not triggered, and when selecting the removable cover, makes the gag lever post shift out from the connecting cylinder, has shifted out the effort to the stripper plate, under the effect of third elastic component, can promote the stripper plate and move up, and finally makes the stripper plate and pressure switch contact, triggers the alarm and sounds, thereby has realized the purpose of theftproof.

Furthermore, all be equipped with on well lid body and the movable cover and open the hole.

In order to facilitate the opening of the movable cover and the well cover body, opening holes are formed in the well cover body and the movable cover, and an overhaul worker can insert the opening holes into the opening holes through an opening tool to open the movable cover and the well cover body.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. when the well lid is opened, the limiting rod removes the constraint force on the trigger piece, so that the pressure switch is forced to trigger the alarm to sound, the warning purpose is achieved, the well lid is prevented from being stolen, meanwhile, the connecting piece can play a certain role in blocking an inlet of the outer frame of the well lid, and the condition that a pedestrian falls into the well from the outer frame of the well lid after the cover body of the well lid is lost is avoided;

2. the movable cover can be quickly taken down from the well cover body, so that the maintenance personnel can conveniently and quickly observe the conditions in the well, and compared with the traditional mode that the heavy well cover needs to be pried open, the efficiency of opening the well cover is improved, the conditions in the well can be observed at the first time, and the labor force of the maintenance personnel is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a top view of the outer frame of the manhole cover of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1;

FIG. 5 is a schematic view of a connection structure of the movable cover and the protective case according to the present invention;

FIG. 6 is a schematic structural view of the connecting cylinder and the limiting rod of the present invention.

Reference numbers and corresponding part names in the drawings:

1-a well lid outer frame, 2-a well lid body, 3-a movable lid, 4-an opening hole, 7-a cross bar, 8-a fixed cylinder, 9-a connecting cylinder, 10-a limiting rod, 11-a protective shell, 12-a first elastic part, 13-a locking block, 14-a limiting block, 15-an alarm, 17-an unlocking rod, 18-a cavity, 19-a second elastic part, 20-an unlocking block, 22-a pressure switch, 23-a third elastic part and 24-a squeezing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Examples

As shown in fig. 1 to 6, the manhole cover comprises a manhole cover outer frame 1 and a manhole cover body 2, wherein a connecting piece is arranged on the inner wall of the manhole cover outer frame 1, a connecting cylinder 9 with a closed structure at the bottom end is arranged on the connecting piece, and a pressure switch 22 and a trigger piece are arranged in the connecting cylinder 9; be equipped with the removable cover 3 that is located the connecting cylinder 9 top on the well lid 2, removable cover 3 and 2 detachable connections of well lid, the bottom of removable cover 3 is equipped with gag lever post 10 and the alarm 15 of being connected with pressure switch 22 electricity, gag lever post 10 stretches into in the connecting cylinder 9, separates trigger piece and pressure switch 22.

Aiming at the condition that the well lid in the prior art is easy to be stolen, the technical scheme is that the movable lid 3 is further arranged on the existing well lid body 2, the limiting rod 10 used for blocking the contact between the trigger and the pressure switch 22 is arranged at the bottom of the movable lid 3, when the well lid body 2 is stolen, the limiting rod moves upwards, the acting force on the trigger is removed, the trigger is forced to contact with the pressure switch 22, the alarm 15 is opened, the alarm 15 rings at the moment, the well lid can be effectively prevented from being stolen, and the anti-theft purpose is achieved; this technical scheme still is provided with the connecting piece on 1 inner wall of well lid frame, the connecting piece is used for being connected with connecting cylinder 9 that is equipped with pressure switch 22 on the one hand, play the purpose that supports connecting cylinder 9, the connecting piece that another terminal surface set up distributes on 1 inner wall of well lid frame, in case well lid body 2 when puting aside from well lid frame 1, the connecting piece that utilizes the setting can play certain safety protection effect, when the pedestrian falls into well lid frame 1 in carelessly, because the connecting piece distributes in the entrance of well lid frame 1, make the connecting piece can play certain interim supporting role to the pedestrian, avoid the pedestrian to continue to drop to the deep well in.

Simultaneously, so this technical scheme is provided with movable cover 3 on well lid body 2, on the one hand when regularly maintaining the alarm that sets up, because movable cover 3 is small, light in weight, so easily open movable cover 3 fast, the maintenance personal of being convenient for carries out the periodic maintenance to the alarm, on the other hand is when other circumstances such as water level in the well lid observation well need be opened to needs, movable cover 3 that utilizes the setting can be opened from well lid body 2 fast, reach the mesh of situation in the quick observation well, compare the tradition and need several maintainers to prize the mode of heavy well lid together, the labour of maintainer has effectively been saved and the efficiency of opening the well lid.

An annular first bulge is arranged in the well lid outer frame 1, the axis of the first bulge is on the same straight line with the axis of the well lid outer frame 1, the well lid body 2 is positioned on the first bulge, and a connecting hole is also formed in the side wall of the first bulge; the connecting piece includes a plurality of telescopic links, and the telescopic link includes horizontal pole 7 and solid fixed cylinder 8, 7 one end of horizontal pole is annular array and distributes on the circumference outer wall of connecting cylinder 9, and the other end passes through the screw thread to be connected with solid fixed cylinder 8, solid fixed cylinder 8 pot head is at horizontal pole 7, and the other end is located bellied connecting hole.

In order to place the well lid body 2 on the well lid frame 1, the event is provided with first arch in the well lid frame 1 for well lid body 2 forms the step hole, conveniently covers well lid body 2 on this step, in order to reach the purpose of closing well lid frame 1.

In convenient connecting piece loading and unloading to well lid frame 1, so set up the retractable with the length of connecting piece, when needs erection joint spare, the solid fixed cylinder 8 on the rotatory each horizontal pole 7, make solid fixed cylinder 8 along the axial displacement of horizontal pole 7, and insert to the connecting hole on the first arch, thereby fix the entrance at the well lid frame with the connecting piece, the connecting cylinder 9 that will be provided with pressure switch 22 is fixed in the below of activity lid 3 on the one hand, guarantee gag lever post 10 can rather than being connected, the connecting piece of another terminal surface distribution at 1 entrance of well lid frame can play certain effect of blockking, when avoiding well lid body 2 to follow well lid frame 1 and removing aside, the pedestrian takes place to the condition in the well carelessly.

Still be equipped with the through-hole that the internal diameter is the same with 3 external diameters of movable cover on the well lid 2, it is protruding to be equipped with annular second in the through-hole, and the bellied axial of second is on same straight line with the axis of well lid 2, and movable cover 3 is located the second arch.

The through-hole that sets up is used for placing movable cover 3, flush with the upper surface of well lid 2 in order to guarantee 3 upper surfaces of movable cover simultaneously, do not cause certain interference to the pedestrian of passing, so still be provided with the second arch in the through-hole, make and form the step hole on the well lid 2, when the lower surface of movable cover 3 and protruding upper surface contact, the upper surface of movable cover 3 just in time flushes with the upper surface of well lid 2, thereby the interference that the pedestrian of passing caused has been avoided protruding or sunken on well lid 2 to movable cover 3.

The bottom of removable cover 3 still is equipped with protective housing 11, protective housing 11 and 3 detachable connections of removable cover, and the top of protective housing 11 is equipped with the holding tank that is used for placing alarm 15, gag lever post 10 runs through the holding tank of protective housing 11, still be equipped with the battery in the holding tank, the battery is connected with alarm 15.

The protective housing 11 that sets up is used for being fixed in alarm 15 and battery in the bottom of removable cover 3, and protective housing 11 is connected through removable mode with removable cover 3, is convenient for regularly maintain alarm and battery in the protective housing 11. Pressure switch 22, battery and alarm 15 that adopt among this technical scheme are prior art, and the principle that utilizes pressure switch 22 to trigger the alarm and sound is prior art, and further discussion no longer here, and 11 lateral walls of protective housing and bottom all are provided with a plurality of bleeder vents, can reach radiating purpose on the one hand, and on the other hand guarantees that the sound that the alarm produced can transmit to the external world.

The bottom of movable cover 3 still is equipped with the ring channel, still be equipped with first blind hole on the ring channel inner wall, be equipped with the retaining member in the first blind hole, still be equipped with spacing hole on the holding tank inner wall of protective housing 11, the retaining member can insert to spacing downthehole, fixes protective housing 11 in the ring channel of movable cover 3.

This technical scheme is in order to make things convenient for be fixed in the bottom of movable cover 3 with protective housing 11 fast, so be provided with the ring channel in the bottom of movable cover 3, because be provided with the holding tank that is used for placing battery and alarm 15 on the protective housing 11 for the edge that protective housing 11 formed can insert to the ring channel in, then utilizes the locking to insert to spacing downthehole, fixes protective housing 11 in the bottom of movable cover 3.

A cavity 18 is further formed in the protective shell 11, the limiting hole is communicated with the cavity 18, an unlocking rod 17 is further arranged at the bottom of the protective shell 11, the unlocking rod 17 is vertically inserted into the cavity 18 of the protective shell 11, a second blind hole is further formed in the side wall, located in the cavity 18, of the unlocking rod 17, and a second elastic piece 19 and an unlocking block 20 are arranged in the second blind hole; the retaining member includes first elastic component 12 and latch segment 13, the elasticity of first elastic component 12 is less than second elastic component 19, and first elastic component 12 one end is connected with latch segment 13, and the other end is connected with first blind hole.

When the protective shell 11 and the movable cover 3 are fixed together, the elastic force generated by the first elastic piece 12 can push the locking block 13 to be inserted into the limiting hole on the protective shell 11, so that the protective shell 11 can be stably fixed at the bottom of the movable cover 3; and when the maintenance personnel need take off the protective housing 11 from the bottom of movable cover 3, take out the movable cover 3 from well lid body 2 earlier, then utilize the hand to push release lever 17, force release lever 17 to remove in cavity 18, when the unlocking piece 20 on the release lever 17 moves to latch segment 13 when level, because the elasticity of second elastic component 12 is greater than the elasticity of first elastic component 12, make second elastic component 12 can promote release block 20 and press latch segment 13 back to in first blind hole, and release block 20's the biggest displacement distance is that the tip of release block 20 and the holding tank inner wall are in same vertical plane on the protective housing 11, guarantee that the protective housing 11 can move out smoothly from the ring channel of movable cover 3.

The side wall of the unlocking rod 17 positioned in the cavity 18 is also provided with a limiting block 14; the end of the unlocking block 20 facing the locking block 13 is also provided with a bevel edge.

Because the protective shell 11 displaces the bottom of the movable cover 3, in order to avoid the unlocking rod 17 automatically sliding down from the cavity 18 of the protective shell 11 under the action of gravity, the unlocking rod 17 is provided with the limiting block 14, so that the unlocking rod 17 is prevented from automatically sliding down; meanwhile, in order to facilitate the retraction of the unlocking block 20 on the unlocking rod 17 into the second blind hole, an inclined edge is arranged on the unlocking block 20, when the overhauling personnel pulls the unlocking rod 17 downwards, the unlocking block 20 is easily retracted into the second blind hole again under the action of the inclined edge, and the second elastic piece is compressed, so that the next unlocking can be performed.

An annular third bulge is further arranged in the connecting cylinder 9, the limiting rod 10 is connected with the third bulge through threads, and the pressure switch 22 is located at the bottom of the third bulge.

The third protrusion is provided, on the one hand, to facilitate the installation of the pressure switch 22 in the connecting cylinder 9, and, on the other hand, to be in threaded connection with the stop rod 10, when the well cover is installed, the movable cover 3 is rotated to drive the limiting rod 10 to rotate together, the limiting rod 10 is connected with the connecting cylinder 9 through threads in the rotating process, and extends into the connecting cylinder 9 to separate the pressure switch 22 from the trigger, and the technical scheme can fix the movable cover 3 and the connecting piece together by using the arranged limiting rod 10, meanwhile, as the movable cover 3 is covered on the well lid body 2, when the well lid body 2 needs to be opened, the movable cover 3 must be firstly detached from the well lid body 2, so that the well lid body 2 can be smoothly detached from the well lid outer frame 1, therefore, the condition that the well lid is not stolen quickly by lawbreakers is ensured, and the probability of finding when a thief opens the well lid is increased.

The trigger piece includes third elastic component 23 and stripper plate 24, third elastic component 23 one end is connected with the connecting cylinder insole, and the other end is connected with stripper plate 24, and when gag lever post 10 stretched into in the connecting cylinder 9, gag lever post 10 can promote stripper plate 24 and move towards keeping away from pressure switch 22 direction to compress third elastic component 23.

When the limiting rod 10 is connected with the connecting cylinder 9, the lower end face of the limiting rod 10 pushes the extrusion plate 24 to move towards the direction away from the pressure switch 22, so that the pressure switch 22 is not triggered, and when the movable cover 3 is selected, the limiting rod 10 is moved out of the connecting cylinder 9, the acting force on the extrusion plate 24 is moved out, under the action of the third elastic part 23, the extrusion plate 24 can be pushed to move upwards, finally, the extrusion plate 24 is in contact with the pressure switch 22, the alarm 15 is triggered to sound, and therefore the anti-theft purpose is achieved.

The well lid body 2 and the movable cover 3 are both provided with opening holes 4.

In order to open the movable cover 3 and the well lid body 2 conveniently, opening holes 4 are formed in the well lid body 2 and the movable cover 3, and an overhaul worker can insert into the opening holes 4 through an opening tool to open the movable cover 3 and the well lid body 2.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The intelligent well lid comprises a well lid outer frame (1) and a well lid body (2), and is characterized in that a connecting piece is arranged on the inner wall of the well lid outer frame (1), a connecting cylinder (9) with a closed structure at the bottom end is arranged on the connecting piece, and a pressure switch (22) and a trigger piece are arranged in the connecting cylinder (9);

be equipped with removable cover (3) on well lid (2), removable cover (3) and well lid (2) detachable connection, the bottom of removable cover (3) is equipped with gag lever post (10) and alarm (15) of being connected with pressure switch (22) electricity, gag lever post (10) stretch into to connecting cylinder (9) in, will trigger the piece and separate with pressure switch (22).

2. The intelligent well lid as claimed in claim 1, wherein a first annular protrusion is provided in the well lid outer frame (1), the axis of the first protrusion is aligned with the axis of the well lid outer frame (1), the well lid body (2) is located on the first protrusion, and a connecting hole is further provided on the side wall of the first protrusion;

the connecting piece includes a plurality of telescopic links, and the telescopic link includes horizontal pole (7) and solid fixed cylinder (8), horizontal pole (7) one end is the circular array and distributes on the circumference outer wall of connecting cylinder (9), and the other end passes through the screw thread to be connected with solid fixed cylinder (8), gu fixed cylinder (8) pot head is in horizontal pole (7), and the other end is located bellied connecting hole.

3. The intelligent well lid as claimed in claim 1, wherein the well lid body (2) is further provided with a through hole having an inner diameter equal to the outer diameter of the movable lid (3), a second annular protrusion is provided in the through hole, the axial direction of the second protrusion is aligned with the axis of the well lid body (2), and the movable lid (3) is located on the second protrusion.

4. The intelligent well lid as claimed in claim 1, wherein a protective shell (11) is further arranged at the bottom of the movable cover (3), the protective shell (11) is detachably connected with the movable cover (3), an accommodating groove for placing the alarm (15) is formed in the top of the protective shell (11), the limiting rod (10) penetrates through the accommodating groove of the protective shell (11), and a storage battery is further arranged in the accommodating groove and connected with the alarm (15).

5. The intelligent well lid as claimed in claim 4, wherein the bottom of the movable lid (3) is further provided with an annular groove, the inner wall of the annular groove is further provided with a first blind hole, a locking member is arranged in the first blind hole, the inner wall of the accommodating groove of the protective casing (11) is further provided with a limiting hole, and the locking member can be inserted into the limiting hole to fix the protective casing (11) in the annular groove of the movable lid (3).

6. The intelligent well lid as claimed in claim 5, wherein a cavity (18) is further arranged in the protective casing (11), the limiting hole is communicated with the cavity (18), an unlocking rod (17) is further arranged at the bottom of the protective casing (11), the unlocking rod (17) is vertically inserted into the cavity (18) of the protective casing (11), a second blind hole is further formed in the side wall, located in the cavity (18), of the unlocking rod (17), and a second elastic piece (19) and an unlocking block (20) are arranged in the second blind hole;

the retaining member includes first elastic component (12) and latch segment (13), the elasticity of first elastic component (12) is less than second elastic component (19), and first elastic component (12) one end is connected with latch segment (13), and the other end is connected with first blind hole.

7. The intelligent well lid as claimed in claim 6, wherein the side wall of the unlocking rod (17) in the cavity (18) is further provided with a limit block (14);

the end part of the unlocking block (20) facing the locking block (13) is also provided with a bevel edge.

8. The intelligent well lid as claimed in claim 1, wherein a third protrusion is disposed in the connecting cylinder (9), the limiting rod (10) is connected to the third protrusion via a screw thread, and the pressure switch (22) is disposed at the bottom of the third protrusion.

9. The intelligent well lid as claimed in claim 1, wherein the trigger member comprises a third elastic member (23) and a pressing plate (24), one end of the third elastic member (23) is connected with the inner bottom of the connecting cylinder (9), the other end of the third elastic member is connected with the pressing plate (24), and when the limiting rod (10) extends into the connecting cylinder (9), the limiting rod (10) can push the pressing plate (24) to move away from the pressure switch (22) and compress the third elastic member (23).

10. The intelligent well lid as claimed in claim 1, wherein the well lid body (2) and the movable lid (3) are provided with opening holes (4).

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