CN213058543U - Liquid level indicating device suitable for underground liquid storage tank - Google Patents

Abstract

The utility model relates to the technical field of liquid level meters, in particular to a liquid level indicating device suitable for an underground liquid storage tank, which comprises a tank body, a feeding and discharging structure, an indicating structure, an alarm structure, a cleaning structure, a limiting structure and a sealing structure; through the top installation instruction structure at the jar body, can realize the real-time demonstration of underground tank body liquid level, the people of being convenient for in time know the liquid level condition of the internal portion of jar, and instruct the structure when going on, still can act on the alarm structure, setting through the alarm structure, can be when the liquid level of the internal portion of jar is the highest, the police dispatch newspaper that can be timely, avoid adding too much and cause the condition that spills over, through setting up the clearance structure in the outside of the jar body, can enough conveniently carry out earth scraping clearance to the outside lateral wall of the jar body after the jar body is dug out from ground, can also play supplementary fixed effect when burying the jar body ground, and cooperate limit structure's setting, can carry out spacing fixed to the clearance structure, avoid the clearance structure to take place the automatic pivoted condition.

Description

Liquid level indicating device suitable for underground liquid storage tank

Technical Field

The utility model relates to a level gauge technical field, specific liquid level indicating device suitable for secret liquid hold up tank that says so.

Background

The level gauge is the height of the liquid medium in the container and is called the liquid level, and the instrument for measuring the liquid level is called the liquid level gauge. The liquid level meter is one of level meters. The type of the liquid level meter comprises a tuning fork vibration type, a magnetic suspension type, a pressure type, ultrasonic waves, sonar waves, a magnetic turning plate, radar and the like. The liquid level meter is widely applied to liquid raw material and product storage tanks of chemical enterprises at present and is used for displaying the liquid level condition in the storage tanks in real time. Wherein most of the storage tanks are above the ground, and a floating-autumn pulley liquid level meter or a glass tube communicated liquid level meter is preferably adopted.

However, in the process of unloading raw materials and the like, part of the storage tank is positioned underground, and the liquid level in the storage tank cannot be monitored in real time by adopting the liquid level meter.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model provides a liquid level indicating device suitable for secret liquid hold up tank.

The utility model provides a technical scheme that its technical problem adopted is: a liquid level indicating device suitable for an underground liquid storage tank comprises a tank body, a feeding and discharging structure, an indicating structure, an alarm structure, a cleaning structure, a limiting structure and a sealing structure, wherein the feeding and discharging structure for injecting and pumping materials in the tank body is arranged outside the tank body for containing liquid, and the indicating structure for displaying the liquid level in the tank body is arranged at the top end of the tank body; the alarm structure used for giving an alarm when the liquid level in the tank body is too high is arranged at one end, away from the tank body, of the indication structure, and the cleaning structure used for cleaning soil on the outer side wall of the tank body is arranged on the outer side wall of the tank body; the cleaning structure is characterized in that one end of the cleaning structure is provided with the limiting structure used for limiting and fixing the cleaning structure, and the top end of the tank body is provided with the sealing structure used for sealing the tank body.

The feeding and discharging structure comprises a water inlet pipe, a first sealing cover, a bolt, a water outlet pipe and a second sealing cover, wherein the water inlet pipe is communicated with the inside of the tank body, the water inlet pipe deviates from one end of the tank body and is provided with the first sealing cover, the first sealing cover passes through the bolt and the water inlet pipe can be detachably connected, the water outlet pipe is installed at the top of the tank body and penetrates through the top side wall of the tank body and extends to the inside bottom of the tank body, one end of the water outlet pipe is provided with the second sealing cover, and the second sealing cover passes through the bolt and the water outlet pipe can be detachably connected.

Specifically, the indicating structure comprises a fixed pipe, a sealing ring, a fixed sleeve, a scale, a turning column, a floating ball, a supporting rod, a guide pipe and a permanent magnet, the top end of the tank body is provided with the fixed pipe communicated with the inside of the tank body, one end of the fixed pipe departing from the tank body is provided with the sealing ring in an annular structure, the fixing sleeve is arranged at one end of the sealing ring, which is far away from the fixed pipe, and the fixing sleeve is detachably connected with the fixed pipe through the bolt, the scale is arranged on one side of the outer part of the fixed sleeve, a plurality of the turning columns which are linearly distributed are rotatably connected in the scale, the guide tube is fixed in the fixed sleeve, the support rod is connected with the center of the inner part of the guide tube in a sliding way, the bottom end of the support rod is fixed with the hollow floating ball, and one end of the support rod, which is far away from the floating ball, is fixed with the permanent magnet.

Specifically, the alarm structure comprises a power supply box, an alarm, an insulating block, a contact block, a first contact and a second contact, the power supply box is fixed at one end of the fixing sleeve, the alarm is fixed at the top end of the fixing sleeve, the insulating block is fixed at one end of the permanent magnet, which is far away from the supporting rod, the contact block is fixed at one end of the insulating block, which is far away from the permanent magnet, and the cross section of the contact block is of a triangular structure, the first contact and the second contact are fixed in the fixed sleeve in a symmetrical relationship, the sections of the first contact and the second contact are both in a trapezoidal structure, the power supply box is electrically connected with the first contact, the power supply box is electrically connected with the alarm, the alarm is electrically connected with the second contact, and the contact block, the first contact and the second contact are made of conductive materials.

Specifically, the clearance structure includes sliding sleeve, clearance ring, dust cover, commentaries on classics cover, slider, lead screw and spout the outside lateral wall of the jar body is the fixed two of symmetrical relation the sliding sleeve, two the inside of sliding sleeve all is equipped with the spout, two the equal sliding connection in inside of spout has the slider the outside of the jar body is equipped with the clearance ring, just the clearance ring is with two the slider is fixed, the clearance ring is through two the slider with the jar body with sliding sleeve sliding connection, two the outside of sliding sleeve all is equipped with the dust cover, at one of them the inside of sliding sleeve rotates and is connected with the lead screw, just the lead screw runs through the slider and with slider threaded connection the one end of lead screw is fixed the commentaries on classics cover.

Specifically, limit structure includes installation cover, pull rod, gear, stopper, first spring and latch, the installation cover is fixed in the one end of sliding sleeve the external fixation of lead screw the gear, just the gear with the sliding sleeve rotates to be connected the inside sliding connection of installation cover has the stopper with the centre gripping is fixed between the installation cover first spring the stopper deviates from two fixed being used for of one end of first spring will the latch the one end of stopper is the vertical relation fixed the pull rod, just the pull rod with installation cover sliding connection.

The utility model has the advantages that:

(1) the liquid level indicating device suitable for the underground liquid storage tank can not only conveniently inject and extract the material in the tank body, but also protect and seal the material by arranging the feeding and discharging structure outside the tank body, and can be matched with the sealing structure arranged at the top end outside the tank body, so that the gas can escape and be supplemented in the tank body when injecting and extracting the material in the tank body, thereby ensuring the normal operation of injecting and extracting the material, namely, because the water inlet pipe is arranged at the top end outside the tank body and can be connected with the external material injection pipe, the material can be conveniently injected in the tank body, and the liquid can be conveniently extracted from the tank body by the external material extraction pipe through the first sealing cover when not injecting the material, thereby avoiding the dust from entering, and through the water outlet pipe arranged at the other side of the top end outside the tank body, and because the outlet pipe runs through the tank body and extends to the inside of the tank body, the liquid in the tank body can be guaranteed to be pumped to the bottom, and the second sealing cover is arranged to protect the liquid, because the pressure relief sleeve is arranged at the top end of the tank body, the rubber plug is connected with the inside of the pressure relief sleeve in a sliding way, the rubber plug always keeps the state of blocking the communication hole, the air outlet hole and the air inlet hole under the supporting action of the second spring and the third spring, when the inside of the tank body is injected, the air in the tank body is extruded, because the pressure relief sleeve is communicated with the inside of the tank body, the air pressure in the tank body can push the rubber plug to slide upwards, when the communication hole on the rubber plug is communicated with the air outlet hole, the pressure relief work can be carried out on the tank body, the normal addition of materials is guaranteed, when the liquid in the tank body is pumped out, the rubber plug can be sucked downwards, and when the communicating hole in the rubber plug is communicated with the air inlet hole, the outside air can be supplemented into the tank body, so that the liquid can be normally pumped out.

(2) The liquid level indicating device suitable for the underground liquid storage tank can realize the real-time display of the liquid level of the underground tank body by installing the indicating structure at the top end of the tank body, is convenient for people to know the liquid level condition inside the tank body in time, can also act on the alarm structure when the indicating structure is carried out, can send out an alarm in time when the liquid level inside the tank body is the highest by setting the alarm structure, avoids the condition of overflowing caused by adding too much liquid, namely, because the fixed pipe is fixed at the central position at the top end of the tank body, the fixed sleeve is installed at the top end of the fixed pipe, and because the guide pipe for the sliding of the supporting rod is installed inside the fixed sleeve, the smooth sliding of the supporting rod inside the fixed sleeve can be ensured, and because the floating ball is fixed at the bottom end of the supporting rod, when the liquid level inside the tank body is reduced, because the permanent magnet is fixed at the top end of the supporting rod, and because the scale is fixed outside the fixed sleeve, a plurality of turning columns which are linearly distributed are rotatably connected on the scale, the permanent magnet is transmitted to the scale through the magnetic coupling effect to drive the red and white turning columns to rotate for 180 degrees, when the liquid level rises, the turning columns are turned from white to red, when the liquid level drops, the turning columns are turned from red to white, and the red-white junction of the scale is the actual height of the liquid in the tank body, thereby realizing clear indication of the liquid level, and because the first contact and the second contact which are in a trapezoidal structure in section are fixed in the fixed sleeve in a symmetrical relation, because the first contact is electrically connected with the power box, the power box is also electrically connected with the alarm, and the second contact is electrically connected with the alarm, when the abutting block fixed with the permanent magnet through the insulating block rises to the topmost end and the two abutting contacts, at the moment, the alarm and the power box are connected, so that the alarm can give an alarm, and workers who cannot see the marks can know the alarm in time, and accidents are avoided.

(3) The liquid level indicating device suitable for the underground liquid storage tank can not only facilitate the scraping and cleaning of the soil on the outer side wall of the tank body after the tank body is dug out from the ground, but also play a role in auxiliary fixing when the tank body is buried into the ground by arranging the cleaning structure outside the tank body, and can limit and fix the cleaning structure by matching with the arrangement of the limiting structure, thereby avoiding the situation that the cleaning structure automatically rotates, namely, because the cleaning ring is connected with the outside of the tank body through the sliding block in a sliding way, because the screw rod is rotated inside the sliding sleeve, and the screw rod penetrates through the sliding block and is in threaded connection with the sliding block, namely, when the rotating sleeve fixed with the screw rod is rotated outside, the screw rod can drive the cleaning ring to move up and down, the soil on the outer side wall of the tank body can be scraped, because the dustproof cover is arranged outside the sliding sleeve, when the tank body is buried into the ground, avoid earth to get into inside the spout of sliding sleeve, and when removing the clearance ring to the topmost of the jar body, can also play the effect of the fixed jar of body, because the one end fixed mounting cover at the sliding sleeve, there is the stopper in the inside of mounting cover through first spring sliding connection, and at the outside fixed gear of lead screw, when not needing the lead screw to rotate, only need loosen the pull rod, it is spacing, will carry out spacing block to the gear automatically under the elastic action of first spring, avoid the automatic pivoted condition of lead screw, when needs make the lead screw rotate, only need stimulate the pull rod, make the stopper no longer to the spacing block of gear can, and convenient for operation.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram illustrating an overall structure of a preferred embodiment of a liquid level indicating apparatus suitable for an underground liquid storage tank according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the can body and the indicating structure shown in FIG. 1;

FIG. 4 is a schematic view of the tank and cleaning structure shown in FIG. 1;

FIG. 5 is an enlarged view of the portion B shown in FIG. 4;

fig. 6 is a schematic view of a connection structure of the cleaning structure and the limiting structure shown in fig. 1.

In the figure: 1. a tank body, 2, a feeding and discharging structure, 21, a water inlet pipe, 22, a first sealing cover, 23, a bolt, 24, a water outlet pipe, 25, a second sealing cover, 3, an indicating structure, 31, a fixed pipe, 32, a sealing ring, 33, a fixed sleeve, 34, a scale, 35, a turnover column, 36, a floating ball, 37, a support rod, 38, a guide pipe, 39, a permanent magnet, 4, an alarming structure, 41, a power box, 42, an alarm, 43, an insulating block, 44, a contact block, 45, a first contact, 46, a second contact, 5, a cleaning structure, 51, a sliding sleeve, 52, a cleaning ring, 53, a dust cover, 54, a rotating sleeve, 55, a sliding block, 56, a screw rod, 57, a sliding groove, 6, a limiting structure, 61, a mounting sleeve, 62, a pull rod, 63, a gear, 64, a limiting block, 65, a first spring, 66, a latch, 7, a sealing structure, 71, a pressure relief sleeve, 72, a rubber, 74. fixing rod, 75, second spring, 76, third spring, 77, air outlet hole, 78 and air inlet hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, the liquid level indicating device suitable for an underground liquid storage tank of the present invention comprises a tank body 1, a feeding and discharging structure 2, an indicating structure 3, an alarm structure 4, a cleaning structure 5, a limiting structure 6 and a sealing structure 7, wherein the feeding and discharging structure 2 for injecting and pumping the inside of the tank body 1 is installed outside the tank body 1 for containing liquid, and the indicating structure 3 for displaying the liquid level inside the tank body 1 is installed at the top end of the tank body 1; the alarm structure 4 for giving an alarm when the liquid level in the tank body 1 is too high is arranged at one end, away from the tank body 1, of the indication structure 3, and the cleaning structure 5 for cleaning soil on the outer side wall of the tank body 1 is arranged on the outer side wall of the tank body 1; the cleaning structure comprises a cleaning structure 5, a limiting structure 6 and a sealing structure 7, wherein the limiting structure 6 is used for limiting and fixing the cleaning structure 5, and the sealing structure 7 is used for sealing the tank body 1 and is arranged at the top end of the tank body 1.

Specifically, the feeding and discharging structure 2 comprises a water inlet pipe 21, a first sealing cover 22, a bolt 23, a water outlet pipe 24 and a second sealing cover 25, the water inlet pipe 21 communicated with the inside of the tank body 1 is installed at the top end of the outside of the tank body 1, the first sealing cover 22 is arranged at one end of the water inlet pipe 21 deviating from the tank body 1, the first sealing cover 22 is detachably connected with the water inlet pipe 21 through the bolt 23, the water outlet pipe 24 is installed at the top end of the tank body 1, the water outlet pipe 24 penetrates through the side wall of the top end of the tank body 1 and extends to the bottom end of the inside of the tank body 1, the second sealing cover 25 is arranged at one end of the water outlet pipe 24, the second sealing cover 25 is detachably connected with the water outlet pipe 24 through the bolt 23, and the water inlet pipe 21 is installed at the top end of the outside of the tank body 1, the convenience is right the material is annotated to the inside of the jar body 1, and can also pass through when not annotating the material first sealed lid 22 seals it, avoids the dust to get into, through the installation of the outside top opposite side of the jar body 1 outlet pipe 24 can make things convenient for external material pumping pipe will the inside liquid of the jar body 1 is taken out, just because outlet pipe 24 runs through the jar body 1 and extends to the inside of the jar body 1, thereby can guarantee to incite somebody to action the inside liquid of the jar body 1 can be taken out to the end, and passes through the setting of the sealed lid 25 of second, also can protect it.

Specifically, indicate structure 3 to include fixed pipe 31, sealing washer 32, fixed cover 33, scale 34, turn over post 35, floater 36, bracing piece 37, stand pipe 38 and permanent magnet 39 jar body 1 the top installation with jar body 1 the inside communicating fixed pipe 31 deviates from jar body 1 one end is equipped with and is the loop configuration seal 32 the sealing washer 32 deviates from fixed pipe 31 one end installation fixed cover 33, just fixed cover 33 passes through bolt 23 with fixed pipe 31 can dismantle the connection scale 34 is installed to outside one side of fixed cover 33 the inside of scale 34 is rotated and is connected with a plurality ofly to be linear distribution turn over post 35 fixed the inside of fixed cover 33 stand pipe 38 the inside center department sliding connection of stand pipe 38 has the bracing piece 37, the bottom end of the supporting rod 37 is fixed with the hollow floating ball 36, one end of the supporting rod 37 departing from the floating ball 36 is fixed with the permanent magnet 39, the top end of the tank body 1 is fixed with the fixed tube 31, the top end of the fixed tube 31 is provided with the fixed sleeve 33, the internal installation of the fixed sleeve 33 is provided with the guide tube 38 for the supporting rod 37 to slide, so that the supporting rod 37 can be ensured to slide smoothly in the fixed sleeve 33, the floating ball 36 is fixed at the bottom end of the supporting rod 37, when the internal liquid level of the tank body 1 is lowered or raised, the floating ball 36 can be driven to float up and down, the top end of the supporting rod 37 is fixed with the permanent magnet 39, and the scale 34 is fixed at the external part of the fixed sleeve 33, and the scale 34 is rotatably connected with a plurality of turning columns 35 which are linearly distributed, the permanent magnet 39 is transmitted to the scale 34 through magnetic coupling to drive the red and white turning columns 35 to rotate for 180 degrees, when the liquid level rises, the turning columns 35 turn from white to red, when the liquid level falls, the turning columns 35 turn from red to white, and the red-white junction of the scale 34 is the actual height of the liquid in the tank body 1, so that clear indication of the liquid level is realized.

Specifically, alarm structure 4 includes power pack 41, alarm 42, collets 43, conflict piece 44, first contact 45 and second contact 46 the one end of fixed cover 33 is fixed power pack 41 the top of fixed cover 33 is fixed alarm 42 permanent magnet 39 deviates from the one end of bracing piece 37 is fixed collets 43 the collets 43 deviates from the one end of permanent magnet 39 is fixed conflict piece 44, just the cross-section of conflict piece 44 is the triangle-shaped structure the inside of fixed cover 33 is fixed for the symmetric relation first contact 45 with second contact 46, just first contact 45 with the cross-section of second contact 46 all is the trapezium structure, power pack 41 with first contact 45 electric connection, power pack 41 with alarm 42 electric connection, alarm 42 with second contact 46 electric connection, just the contact block 44 first contact 45 with second contact 46 is conducting material and makes, because the inside of fixed cover 33 is the fixed two cross-sections of symmetric relation and is the trapezium structure first contact 45 with second contact 46, because first contact 45 with power pack 41 electric connection, power pack 41 still with alarm 42 electric connection, just second contact 46 with alarm 42 electric connection, consequently, when through insulating block 43 with permanent magnet 39 is fixed contact block 44 rises to the top and conflicts with two contacts, this moment alarm 42 with power pack 41 is put through, just can make alarm 42 sends out the police dispatch newspaper to can let the staff who can not see the mark also in time understand, avoid the emergence of accident.

Specifically, the cleaning structure 5 includes a sliding sleeve 51, two cleaning rings 52, a dust cover 53, a rotating sleeve 54, a sliding block 55, a screw rod 56 and sliding grooves 57, the two sliding sleeves 51 are fixed on the outer side wall of the tank body 1 in a symmetrical relationship, the sliding grooves 57 are arranged in the two sliding sleeves 51, the sliding blocks 55 are connected in the two sliding grooves 57 in a sliding manner, the cleaning rings 52 are arranged on the outer side of the tank body 1, the cleaning rings 52 are fixed with the two sliding blocks 55, the cleaning rings 52 are connected with the tank body 1 and the sliding sleeves 51 in a sliding manner through the two sliding blocks 55, the dust covers 53 are arranged on the outer sides of the two sliding sleeves 51, the screw rod 56 is rotatably connected in one of the sliding sleeves 51, the screw rod 56 penetrates through the sliding blocks 55 and is connected with the sliding blocks 55 in a threaded manner, the rotating sleeve 54 is fixed at one end of the screw rod 56, because the outside of the jar body 1 is passed through slider 55 sliding connection has clearance ring 52, because the inside of sliding sleeve 51 is rotated lead screw 56, just lead screw 56 runs through slider 55 and with slider 55 threaded connection, externally rotate promptly with lead screw 56 is fixed during changeing cover 54, can realize lead screw 56 drives clearance ring 52 reciprocates, just can with the earth of the outside lateral wall of the jar body 1 strikes off, because the externally mounted of sliding sleeve 51 dust cover 53 can be with when the jar body 1 is buried the ground, avoid earth to get into inside the sliding sleeve 51 inside spout 57, and when will clearance ring 52 moves to when the top of the jar body 1, can also play the fixed effect of the jar body 1.

Specifically, the limiting structure 6 includes an installation sleeve 61, a pull rod 62, a gear 63, a limiting block 64, a first spring 65 and a latch 66, the installation sleeve 61 is fixed at one end of the sliding sleeve 51, the gear 63 is fixed outside the lead screw 56, the gear 63 is rotatably connected with the sliding sleeve 51, the limiting block 64 is slidably connected inside the installation sleeve 61, the first spring 65 is clamped and fixed between the limiting block 64 and the installation sleeve 61, two latches 66 for clamping the gear 63 are fixed at one end of the limiting block 64 away from the first spring 65, the pull rod 62 is fixed at one end of the limiting block 64 in a vertical relationship, the pull rod 62 is slidably connected with the installation sleeve 61, because the installation sleeve 61 is fixed at one end of the sliding sleeve 51, the limiting block 64 is slidably connected inside the installation sleeve 61 through the first spring 65, the gear 63 is fixed outside the screw rod 56, when the screw rod 56 is not required to rotate, the gear 63 is automatically limited and clamped by the gear 64 under the action of the elastic force of the first spring 65 only by loosening the pull rod 62 for limiting, so that the condition that the screw rod 56 automatically rotates is avoided, when the screw rod 56 is required to rotate, the pull rod 62 is only required to be pulled, and the gear 63 is not limited and clamped by the limit block 64, so that the operation is convenient.

Specifically, the sealing structure 7 includes a pressure release sleeve 71, a rubber stopper 72, a communication hole 73, a fixing rod 74, a second spring 75, a third spring 76, an air outlet hole 77 and an air inlet hole 78, the pressure release sleeve 71 is fixed to the top end of the tank body 1, the rubber stopper 72 is slidably connected to the inside of the pressure release sleeve 71, the communication hole 73 with an L-shaped cross section is disposed inside the rubber stopper 72, the fixing rod 74 is fixed to the inside of the pressure release sleeve 71, the second spring 75 is fixedly clamped between the fixing rod 74 and the rubber stopper 72, the third spring 76 is fixedly clamped between the rubber stopper 72 and the pressure release sleeve 71, the air outlet hole 77 and the air inlet hole 78 are disposed on the side wall of the pressure release sleeve 71, and the pressure release sleeve 71 is slidably connected to the rubber stopper 72 inside the pressure release sleeve 71 due to the installation of the pressure release sleeve 71 on the top end of the tank body 1, the rubber plug 72 is always kept in a state of blocking the communication hole 73, the air outlet hole 77 and the air inlet hole 78 under the supporting action of the second spring 75 and the third spring 76, when the inside of the tank body 1 is filled, the air inside the tank body 1 is squeezed, the air pressure inside the tank body 1 pushes the rubber plug 72 to slide upwards due to the communication between the pressure relief sleeve 71 and the inside of the tank body 1, when the communication hole 73 on the rubber plug 72 is communicated with the air outlet hole 77, the pressure relief work can be performed on the tank body 1, the normal addition of materials is ensured, when the liquid inside the tank body 1 is extracted, the rubber plug 72 can be sucked downwards due to the reduction of the air pressure inside the tank body 1, and when the communication hole 73 on the rubber plug 72 is communicated with the air inlet hole 78, at this time, the inside of the tank body 1 can be supplemented with external gas, thereby ensuring the normal extraction of liquid.

When the utility model is used, the water inlet pipe 21 is arranged at the top end of the tank body 1 and can be connected with an external material injection pipe, so that the material can be conveniently injected into the tank body 1, and the water inlet pipe can be sealed by the first sealing cover 22 when the material is not injected, so that dust is prevented from entering, the water outlet pipe 24 is arranged at the other side of the top end of the tank body 1, so that the external material pumping pipe can conveniently pump out the internal liquid of the tank body 1, and the water outlet pipe 24 penetrates through the tank body 1 and extends into the tank body 1, so that the internal liquid of the tank body 1 can be guaranteed to be pumped to the bottom, and the internal liquid of the tank body 1 can be protected by the second sealing cover 25, because the pressure relief sleeve 71 is arranged at the top end of the tank body 1, the rubber plug 72 is connected with the internal sliding of the pressure relief sleeve 71, the rubber plug 72 is always kept in a state of blocking the communication hole 73, the air outlet hole 77 and the air inlet hole 78 under the supporting action of the second spring 75 and the third spring 76, when the inside of the tank body 1 is filled, the air inside the tank body 1 is squeezed, the air pressure inside the tank body 1 pushes the rubber plug 72 to slide upwards due to the communication between the pressure relief sleeve 71 and the inside of the tank body 1, when the communication hole 73 on the rubber plug 72 is communicated with the air outlet hole 77, the pressure relief work can be performed on the tank body 1, the normal addition of materials is ensured, when the liquid inside the tank body 1 is extracted, the rubber plug 72 can be sucked downwards due to the reduction of the air pressure inside the tank body 1, and when the communication hole 73 on the rubber plug 72 is communicated with the air inlet hole 78, at the moment, external gas can be supplemented to the interior of the tank body 1, so that the normal extraction of liquid is ensured; because the fixed pipe 31 is fixed at the center position of the top end of the tank body 1, the fixed sleeve 33 is installed at the top end of the fixed pipe 31, the supporting rod 37 can be ensured to slide smoothly inside the fixed sleeve 33 due to the fact that the guiding pipe 38 for the sliding of the supporting rod 37 is installed inside the fixed sleeve 33, the floating ball 36 is fixed at the bottom end of the supporting rod 37, when the liquid level inside the tank body 1 is lowered or raised, the floating ball 36 can be driven to float up and down, the permanent magnet 39 is fixed at the top end of the supporting rod 37, the scale 34 is fixed outside the fixed sleeve 33, a plurality of turning columns 35 which are linearly distributed are rotatably connected on the scale 34, the permanent magnet 39 is transmitted to the scale 34 through the magnetic coupling effect, and the turning columns 35 with red color and white color are driven to rotate for 180 degrees, when the liquid level rises, the turning column 35 turns from white to red, when the liquid level falls, the turning column 35 turns from red to white, the red-white junction of the scale 34 is the actual height of the liquid in the tank body 1, so that clear indication of the liquid level is realized, and because the first contact 45 and the second contact 46 with the cross sections in the trapezoid structures are fixed in the fixed sleeve 33 in a symmetrical relationship, because the first contact 45 is electrically connected with the power supply box 41, the power supply box 41 is also electrically connected with the alarm 42, and the second contact 46 is electrically connected with the alarm 42, when the contact block 44 fixed by the insulating block 43 and the permanent magnet 39 rises to the topmost end and collides with the two contacts, the alarm 42 is connected with the power supply box 41 at the moment, so that the alarm 42 can give an alarm, therefore, workers who cannot see the marks can know the marks in time, and accidents are avoided; because the outside of the tank body 1 is connected with the cleaning ring 52 through the sliding block 55 in a sliding manner, the screw rod 56 is rotated in the sliding sleeve 51, and the screw rod 56 penetrates through the sliding block 55 and is connected with the sliding block 55 in a threaded manner, namely, when the rotating sleeve 54 fixed with the screw rod 56 is rotated outside, the screw rod 56 drives the cleaning ring 52 to move up and down, so that the soil on the outer side wall of the tank body 1 can be scraped off, because the dustproof cover 53 is installed outside the sliding sleeve 51, when the tank body 1 is buried into the ground, the soil is prevented from entering the sliding groove 57 inside the sliding sleeve 51, when the cleaning ring 52 is moved to the topmost end of the tank body 1, the effect of fixing the tank body 1 can also be achieved, because the mounting sleeve 61 is fixed at one end of the sliding sleeve 51, the limiting block 64 is connected in the mounting sleeve 61 in a sliding manner through the first spring 65, the gear 63 is fixed outside the screw rod 56, when the screw rod 56 is not required to rotate, the gear 63 is automatically limited and clamped by the gear 64 under the action of the elastic force of the first spring 65 only by loosening the pull rod 62 for limiting, so that the condition that the screw rod 56 automatically rotates is avoided, when the screw rod 56 is required to rotate, the pull rod 62 is only required to be pulled, and the gear 63 is not limited and clamped by the limit block 64, so that the operation is convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a liquid level indicating device suitable for secret liquid storage tank which characterized in that: the liquid level indicator comprises a tank body (1), a feeding and discharging structure (2), an indicating structure (3), an alarm structure (4), a cleaning structure (5), a limiting structure (6) and a sealing structure (7), wherein the feeding and discharging structure (2) for injecting and pumping the inside of the tank body (1) is arranged outside the tank body (1) for containing liquid, and the indicating structure (3) for displaying the liquid level inside the tank body (1) is arranged at the top end of the tank body (1); the alarm structure (4) used for giving an alarm when the liquid level in the tank body (1) is too high is arranged at one end, away from the tank body (1), of the indication structure (3), and the cleaning structure (5) used for cleaning soil on the outer side wall of the tank body (1) is arranged on the outer side wall of the tank body (1); the cleaning structure is characterized in that one end of the cleaning structure (5) is provided with a limiting structure (6) for limiting and fixing the cleaning structure (5), and the top end of the tank body (1) is provided with a sealing structure (7) for sealing the tank body (1).

2. A fluid level indicating device adapted for use in an underground fluid storage tank, according to claim 1, wherein: the feeding and discharging structure (2) comprises a water inlet pipe (21), a first sealing cover (22), a bolt (23), a water outlet pipe (24) and a second sealing cover (25), the top end of the outer part of the tank body (1) is provided with the water inlet pipe (21) communicated with the inner part of the tank body (1), one end of the water inlet pipe (21) departing from the tank body (1) is provided with the first sealing cover (22), and the first sealing cover (22) is detachably connected with the water inlet pipe (21) through the bolt (23), the water outlet pipe (24) is arranged at the top end of the tank body (1), the water outlet pipe (24) penetrates through the side wall of the top end of the tank body (1) and extends to the bottom end of the interior of the tank body (1), one end of the water outlet pipe (24) is provided with the second sealing cover (25), and the second sealing cover (25) is detachably connected with the water outlet pipe (24) through the bolt (23).

3. A fluid level indicating device suitable for use in an underground fluid storage tank, according to claim 2, wherein: indication structure (3) including fixed pipe (31), sealing washer (32), fixed cover (33), scale (34), turn over post (35), floater (36), bracing piece (37), stand pipe (38) and permanent magnet (39) the top installation of the jar body (1) with the inside of the jar body (1) communicates with each other fixed pipe (31) deviate from the one end of the jar body (1) is equipped with and is the loop configuration sealing washer (32) deviate from the one end installation of fixed pipe (31) fixed cover (33), just fixed cover (33) pass through bolt (23) with fixed pipe (31) can be dismantled and be connected the outside side-mounting of fixed cover (33) scale (34) the inside rotation of scale (34) is connected with a plurality of and is linear distribution turn over post (35), the inner part of the fixed sleeve (33) is fixed with the guide pipe (38), the inner center of the guide pipe (38) is connected with the support rod (37) in a sliding manner, the bottom end of the support rod (37) is fixed with the hollow floating ball (36), and one end of the support rod (37) departing from the floating ball (36) is fixed with the permanent magnet (39).

4. A fluid level indicating device suitable for use in an underground fluid storage tank, according to claim 3, wherein: alarm structure (4) is including power pack (41), alarm (42), collets (43), conflict piece (44), first contact (45) and second contact (46) the one end of fixed cover (33) is fixed power pack (41) the top of fixed cover (33) is fixed alarm (42) permanent magnet (39) deviate from the one end of bracing piece (37) is fixed collets (43) deviate from the one end of permanent magnet (39) is fixed conflict piece (44), just the cross-section of conflict piece (44) is the triangle-shaped structure the inside of fixed cover (33) is the symmetric relation fixed first contact (45) with second contact (46), just first contact (45) with the cross-section of second contact (46) all is the trapezium structure, power pack (41) with first contact (45) electric connection, the power pack (41) with alarm (42) electric connection, alarm (42) with second contact (46) electric connection, just the piece that contacts (44), first contact (45) with second contact (46) are conducting material and make.

5. A fluid level indicating device adapted for use in an underground fluid storage tank, according to claim 1, wherein: the cleaning structure (5) comprises sliding sleeves (51), cleaning rings (52), dust covers (53), rotating sleeves (54), sliding blocks (55), screw rods (56) and sliding grooves (57), wherein the two sliding sleeves (51) are fixed on the outer side wall of the tank body (1) in a symmetrical relation, the sliding grooves (57) are arranged in the two sliding sleeves (51), the sliding blocks (55) are connected in the two sliding grooves (57) in a sliding way, the cleaning rings (52) are arranged outside the tank body (1), the cleaning rings (52) are fixed with the two sliding blocks (55), the cleaning rings (52) are connected with the tank body (1) and the sliding sleeves (51) in a sliding way through the two sliding blocks (55), the dust covers (53) are arranged outside the two sliding sleeves (51), the screw rod (56) is connected in one sliding sleeve (51) in a rotating way, and the screw rod (56) penetrates through the sliding block (55) and is in threaded connection with the sliding block (55), and the rotating sleeve (54) is fixed at one end of the screw rod (56).

6. A fluid level indicating device suitable for use in an underground fluid storage tank, according to claim 5, wherein: the limiting structure (6) comprises an installation sleeve (61), a pull rod (62), a gear (63), a limiting block (64), a first spring (65) and a latch (66), the installation sleeve (61) is fixed at one end of the sliding sleeve (51), the gear (63) is fixed outside the screw rod (56), and the gear (63) is rotationally connected with the sliding sleeve (51), the inner part of the mounting sleeve (61) is connected with the limiting block (64) in a sliding way, the first spring (65) is clamped and fixed between the limiting block (64) and the mounting sleeve (61), two clamping teeth (66) used for clamping the gear (63) are fixed at one end of the limiting block (64) departing from the first spring (65), the pull rod (62) is fixed at one end of the limiting block (64) in a vertical relation, and the pull rod (62) is connected with the mounting sleeve (61) in a sliding mode.

Images