CN218673829U

CN218673829U - Waste liquid detector with stable structure

Info

Publication number: CN218673829U
Application number: CN202222541178.XU
Authority: CN
Inventors: 刘明骅
Original assignee: New Era Kunlun Energy Technology Co ltd
Current assignee: New Era Kunlun Energy Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-21
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a waste liquid detector with stable structure, including measuring stick, electron storehouse and magnetism float, the measuring stick is kept away from the one end in electron storehouse and is installed stabilizing mean, and this stabilizing mean scalable support bottom in the waste liquid bucket to improve the stability of measuring stick, stabilizing mean including can dismantle the urceolus of being connected with the measuring stick bottom, run through the urceolus and with urceolus bottom threaded connection's screw rod, rotate the briquetting of connecting at the screw rod lower extreme and be used for driving screw rod pivoted drive structure through the bearing. The utility model provides a stabilizing mean utilizes the flexible effect between urceolus and the screw rod, can drive the interior bottom of briquetting contact stock solution container, and then makes the measuring stick be stretched straight by the tractive between electron storehouse and stabilizing mean, improves its measured accurate nature to stabilizing mean is not fixed mutually with the stock solution container, not only can not destroy the original structure of stock solution container, has guaranteed the integrality of stock solution container, still provides convenient for the dismouting operation in preceding later stage.

Description

Waste liquid detector with stable structure

Technical Field

The utility model belongs to the technical field of the level sensor technique and specifically relates to a waste liquid detector with stable structure.

Background

The magnetostrictive liquid level sensor is composed of a structure part, a magnetostrictive line (waveguide wire) and a movable floater (a permanent magnet is arranged in the magnetostrictive liquid level sensor), wherein the magnetostrictive line (waveguide wire) is arranged in the stainless steel pipe (measuring rod), the movable floater is sleeved outside the stainless steel pipe (measuring rod), and the like, and the floater can move up and down along the measuring rod along with the change of the liquid level. The magnetostrictive liquid level sensors currently on the market have long measuring ranges, and the measuring rod is usually designed into a flexible element which can be bent and coiled and has certain elasticity, so that the measuring rod is convenient to transport and install, and the measuring rod is usually called a flexible measuring rod. During the actual measurement, the measuring rod must be kept straight and stable to enable accurate measurement.

For this reason, the Chinese patent: application number is CN201710024834. X's a magnetostrictive liquid level sensor and fixing device thereof, it discloses at the bottom installation fixing device of liquid storage container, then through fixing device with magnetostrictive liquid level sensor including the bottom of measuring staff keep straight and can not take place the swing, and then improve and measure the accuracy.

However, the fixing device in the scheme needs to be fixedly connected with the bottom of the liquid storage container through the bolts, the original structure of the liquid storage container can be damaged, certain working space is needed when the fixing device is installed through the bolts which are screwed, and the narrow working face causes the fixed installation to be inconvenient to operate when the fixing device is installed through the deep liquid storage container with the small opening.

To this end, we propose a waste liquid detector having a stable structure to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste liquid detector with stable structure to fixing device needs to carry out fixed connection through the bottom of bolt and stock solution container among the prior art who proposes in solving above-mentioned background art, can destroy the original structure of stock solution container itself, and needs certain workspace through screwing bolt installation fixing device, to the darker stock solution container less with the opening of the degree of depth, narrow and small working face leads to the problem that fixed mounting operates very inconvenient.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a waste liquid detector with stable structure, includes measuring stick, electronic storehouse and magnetism float, the measuring stick is kept away from the one end in electronic storehouse and is installed stabilizing mean, and this stabilizing mean scalable support is bottom in the waste liquid bucket to improve the stability of measuring stick, stabilizing mean including can dismantle the urceolus of being connected with the measuring stick bottom, run through the urceolus and with urceolus bottom threaded connection's screw rod, rotate through the bearing and connect the briquetting at the screw rod lower extreme and be used for driving screw rod pivoted drive structure.

In a further embodiment, connecting rings are fixed on the peripheries of the connecting ends of the measuring rod and the outer cylinder, the outer edges of the two connecting rings are fixedly connected through bolts and nuts, and sealing rings are clamped inside connecting seams of the two connecting rings.

In a further embodiment, the driving structure comprises a gear ring fixed on the outer side of the upper end of the screw rod, a gear meshed with the periphery of the gear ring and a servo motor connected with the gear spindle rod through a coupler.

In a further embodiment, the upper end of the screw rod is connected with a support through a bearing, a controller and a battery block are installed above the support, and the output end of the controller is electrically connected with the servo motor.

In a further embodiment, the top end of the servo motor and the lower end of the gear ring are both provided with a limiting plate, the periphery of the limiting plate is wrapped with a limiting ring, and the limiting ring is tightly attached to the inner wall of the outer barrel.

In a further embodiment, a pressure sensor is embedded in the lower surface of the pressing block and electrically connected with the input end of the controller.

In a further embodiment, the interior of the screw rod is of a hollow structure, and the upper end and the lower end of the screw rod are communicated with each other.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a stabilizing mean utilizes the flexible effect between urceolus and the screw rod, can drive the interior bottom of briquetting contact stock solution container, and then makes the measuring stick be stretched straight by the tractive between electron storehouse and stabilizing mean, improves its measured accurate nature to stabilizing mean is not fixed mutually with the stock solution container, not only can not destroy the original structure of stock solution container, has guaranteed the integrality of stock solution container, still provides convenient for the dismouting operation in preceding later stage.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the stabilizing mechanism of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the driving structure of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the pressing block of the present invention;

fig. 5 is a schematic view of a part a of the enlarged structure in fig. 2 according to the present invention.

In the figure: 1. a measuring rod; 2. an electronic bin; 3. a magnetic float; 4. a stabilizing mechanism; 41. an outer cylinder; 42. a screw; 43. briquetting; 431. a pressure sensor; 44. a drive structure; 441. a servo motor; 442. a gear; 443. a toothed ring; 444. a support; 445. a controller; 446. a battery block; 45. a limiting plate; 46. a limiting ring; 5. a connecting ring; 6. a bolt; 7. a nut; 8. and (5) sealing rings.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a waste liquid detector with a stable structure is mainly used for liquid level measurement when waste liquid in a standard oil drum is collected, the waste liquid detector comprises a measuring rod 1, an electronic bin 2 connected to the top end of the measuring rod 1 and a magnetic float 3 sleeved outside the measuring rod 1, a waveguide filament is arranged inside the measuring rod 1, when the sensor works, a circuit part excites pulse current on the waveguide filament, the pulse electromagnetic field is generated around the waveguide filament when the current propagates along the waveguide filament, a group of permanent magnetic rings are arranged inside the magnetic float 3, when the pulse current magnetic field meets the magnetic ring magnetic field generated by the float, the magnetic field around the magnetic float 3 is changed, so that the waveguide filament made of magnetostrictive materials generates a torsional wave pulse at the position of the float, the pulse is transmitted back along the waveguide filament at a fixed speed and is detected by a detection mechanism inside the electronic bin 2, and the position of the float, namely the position of a liquid level, can be accurately determined by measuring the time difference between the pulse current and the torsional wave.

Referring to fig. 2, when the measuring rod 1 is made of a flexible material, it is easy to bend and causes inaccurate measured data, so a stabilizing mechanism 4 is installed at one end of the measuring rod 1 away from the electronic bin 2, the stabilizing mechanism 4 is telescopically supported at the bottom inside the waste liquid tank to straighten the measuring rod 1 and further improve the stability and accuracy of measurement, the stabilizing mechanism 4 includes an outer tank 41 connected to the bottom end of the measuring rod 1, a screw 42 penetrating through the outer tank 41 and threadedly connected to the bottom of the outer tank 41, a pressing block 43 connected to the lower end of the screw 42 through a bearing, and a driving structure 44 for driving the screw 42 to rotate, when the screw 42 rotates, a thread action occurs between the screw 42 and the outer tank 41, and further, by adjusting the rotation direction, an effect that the rotating edge can be screwed in or out from the inside of the outer tank 41 is achieved, when the screw 42 is screwed out, the whole stabilizing mechanism 4 extends, so that the pressing block 43 can be close to the bottom of a standard oil tank, and further supported at the bottom of the standard oil tank, and straighten the measuring rod 1.

Referring to fig. 3, the driving structure 44 includes a gear ring 443 fixed on the outer side of the upper end of the screw rod 42, a gear 442 engaged with the outer periphery of the gear ring 443, and a servo motor 441 connected to the shaft center of the gear 442 through a coupling, the servo motor 441 drives the gear 442 to rotate, the gear 442 is engaged with the gear ring 443 to drive the screw rod 42 to rotate, the screw rod 42 is screwed in or out from the inner side of the outer cylinder 41 while rotating, so as to drive the servo motor 441 to move, in order to maintain the stability of the movement of the servo motor 441, a position limiting plate 45 is disposed on the top end of the servo motor 441 and the lower end of the gear ring 443, a position limiting ring 46 is wrapped on the outer periphery of the position limiting ring 45, and the position limiting ring 46 is tightly attached to the inner wall of the outer cylinder 41, wherein the position limiting plate 45 near the lower end of the gear ring 443 is connected to the screw rod 42 through a bearing, so that the screw rod 42 does not drive the position limiting plate 45 to rotate, the position limiting ring 46 is made of corrosion-resistant rubber material, and tightly attached to the inner wall of the outer cylinder 41, which not only can effectively limit the servo motor 441, but also can protect the servo motor 441 from the waste liquid to prevent the waste liquid from contaminating the servo motor 441.

Referring to fig. 3-4, in order to further facilitate the installation of the stabilizing mechanism 4, the upper end of the screw 42 is connected to a bracket 444 through a bearing, a controller 445 is installed above the bracket 444, a battery block 446 is connected above the controller 445, the battery block 446 supplies power to the controller 445 and the servo motor 441, the output end of the controller 445 is electrically connected to the servo motor 441, a pressure sensor 431 is embedded on the lower surface of the pressing block 43, the pressure sensor 431 is electrically connected to the input end of the controller 445, when the pressing block 43 contacts the inner bottom of the standard oil tank, the measuring rod 1 can be tightened, the pressure sensor 431 detects pressure data, and then the pressure data is transmitted to the controller 445, for convenience of data transmission, the screw 42 has a hollow structure, the upper end and the lower end of the screw 42 are communicated with each other, so as to pass through a cable for data transmission, meanwhile, the pressing block 43 can be in an annular shape, the pressure sensor 431 and the cable can be conveniently arranged, after the controller 445 receives the detection data of the pressure sensor 431, the servo motor 441 is controlled to be closed, and the stable supporting state is maintained, and in order to further improve the stability, the pressing block 43 can be made of a standard oil tank, and the pressing block 43 can be generally made of a standard oil tank made of a magnet.

Please refer to fig. 5, considering that the whole stabilizing mechanism 4 is convenient to assemble and disassemble, the outer diameters of the outer cylinder 41 and the pressing block 43 of the stabilizing mechanism 4 are not larger than the outer diameter of the measuring rod 1, so that the stabilizing mechanism 4 can be installed together with the sensor body by putting the standard air vent of the standard oil drum, the original structure of the standard oil drum cannot be damaged, meanwhile, in order to facilitate the internal maintenance of the stabilizing mechanism 4, the measuring rod 1 and the outer cylinder 41 are detachable, the connecting rings 5 are fixed on the peripheries of the connecting ends of the measuring rod 1 and the outer cylinder 41, the outer edges of the two connecting rings 5 are penetrated through by the bolts 6, and then the nuts 7 are screwed on the outer sides of the penetrating bolts 6 to lock the connecting, in order to improve the sealing performance of the connecting positions, the sealing rings 8 are clamped inside the connecting seams of the two connecting rings 5.

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

1. The utility model provides a waste liquid detector with stable structure, includes measuring stick (1), electron storehouse (2) and magnetism float (3), its characterized in that: stabilizing mean (4) are installed to the one end that electronic storehouse (2) were kept away from in measuring stick (1), and this stabilizing mean (4) scalable support bottom in the waste liquid bucket to improve the stability of measuring stick (1), stabilizing mean (4) including can dismantle urceolus (41) of being connected with measuring stick (1) bottom, run through urceolus (41) and with urceolus (41) bottom threaded connection's screw rod (42), rotate through the bearing and connect briquetting (43) and be used for driving screw rod (42) pivoted drive structure (44) at screw rod (42) lower extreme.

2. The waste liquid detector having a stable structure according to claim 1, characterized in that: the measuring rod (1) and the outer cylinder (41) are connected with each other through a connecting ring (5) in the periphery, the outer edges of the connecting rings (5) are fixedly connected through bolts (6) and nuts (7), and sealing rings (8) are clamped inside connecting joints of the connecting rings (5).

3. The waste liquid detector having a stable structure according to claim 1, wherein: the driving structure (44) comprises a toothed ring (443) fixed on the outer side of the upper end of the screw rod (42), a gear (442) meshed on the periphery of the toothed ring (443), and a servo motor (441) connected with the shaft center rod of the gear (442) through a coupler.

4. The waste liquid detector having a stable structure according to claim 3, characterized in that: the upper end of the screw rod (42) is connected with a support (444) through a bearing, a controller (445) and a battery block (446) are installed above the support (444), and the output end of the controller (445) is electrically connected with the servo motor (441).

5. The waste liquid detector having a stable structure according to claim 3, characterized in that: the top end of the servo motor (441) and the lower end of the gear ring (443) are both provided with a limiting plate (45), the periphery of the limiting plate (45) is wrapped with a limiting ring (46), and the limiting ring (46) is tightly attached to the inner wall of the outer barrel (41).

6. The waste liquid detector having a stable structure according to claim 4, wherein: the lower surface of the pressing block (43) is embedded with a pressure sensor (431), and the pressure sensor (431) is electrically connected with the input end of the controller (445).

7. The waste liquid detector having a stable structure according to claim 1, characterized in that: the interior of the screw rod (42) adopts a hollow structure, and the upper end and the lower end of the screw rod (42) are communicated with each other.