CN216081663U - Install stable level sensor - Google Patents

Abstract

The utility model relates to the technical field of liquid level sensors and discloses a stably-installed liquid level sensor which comprises a sensor body, wherein vertical plates are fixedly connected to the upper side wall and the lower side wall of the sensor body, grooves are formed in the side walls of the vertical plates, connecting rods are hinged in the grooves, an upper electrode is fixedly connected to one end of each upper connecting rod, a lower electrode is fixedly connected to one end of each lower connecting rod, a working box is fixedly connected to the left side wall of the sensor body through a connecting block, threaded rods are rotatably connected to the front inner wall and the rear inner wall of the working box through bearings, and two threaded cylinders are sleeved on the outer threads of the threaded rods. The distance between the two hoops can be adjusted according to the size of the infusion bottle, so that the liquid level sensor body is stably installed outside the infusion bottle, and the installation stability of the liquid level sensor is improved.

Description

Install stable level sensor

Technical Field

The utility model relates to the technical field of liquid level sensors, in particular to a stably-installed liquid level sensor.

Background

Liquid level sensors for detecting liquid level generally include a floating ball type sensor and a metal probe type sensor. The float type sensor rotates an annular magnet rotatably attached to a sensor housing by the behavior of a float that moves up and down according to the displacement of a liquid level to be measured, and detects a change in magnetic flux density generated around the magnet by a detection circuit disposed in the sensor housing. The liquid level sensor depends on the behavior of the floater, the sensitivity is generally low, and the installation mode and the installation angle are limited.

A non-contact level sensor that patent at patent grant publication No. CN 209102185U provided, including the sensor body and set up last electrode and the bottom electrode at sensor body upper and lower both ends, it passes through the connecting rod setting in the upper end of sensor body to go up the electrode, the coupling between connecting rod and the sensor body, the bottom electrode passes through the auxiliary rod setting at the lower extreme of sensor body, the coupling between auxiliary rod and the sensor body, be provided with annular staple bolt on the sensor body, annular staple bolt sets up with the sensor body is perpendicular, the one end that the sensor body was kept away from to annular staple bolt is provided with the staple bolt opening. This patent is through making whole non-contact level sensor into the structural design who hugs closely the infusion bottle, utilize the principle that electrode and infusion bottle cooperation formed electric capacity, when effectual pharmacy carries out the measurement in to the infusion bottle, the structure has been simplified, make its convenient use widely, this patent is in the use, fix the sensor outside the infusion bottle through annular staple bolt, because the infusion bottle size is different, when the infusion bottle is less, level sensor breaks away from easily and drops from the eminence, cause the damage of sensor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that in the prior art, when a liquid level sensor is used, the sensor is fixed outside an infusion bottle through an annular hoop, and the size of the infusion bottle is different, so that when the infusion bottle is small, the liquid level sensor is easy to separate from the high position and fall off, and the sensor is damaged, and the liquid level sensor is stably installed.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a liquid level sensor who installs stably, includes the sensor body, the equal fixedly connected with riser of upper and lower lateral wall of sensor body, it has the connecting rod, upside to articulate in recess and the recess all is seted up to the lateral wall of riser the one end fixedly connected with of connecting rod goes up electrode, downside the one end fixedly connected with bottom electrode of connecting rod, the left side wall of sensor body passes through connecting block fixedly connected with work box, the inner wall all rotates through the bearing around the work box and is connected with the threaded rod, threaded rod external thread bush is equipped with two screw thread section of thick bamboo, two the equal fixedly connected with bent plate of lateral wall of screw thread section of thick bamboo, two sliding opening, two have been seted up to the lateral wall of work box the bent plate is the equal fixedly connected with clamp of lateral wall of one side in opposite directions.

Preferably, the front end of the threaded rod extends out of the working box, the front end cover of the threaded rod is provided with a rotary drum, two limiting pins are symmetrically and fixedly connected to the front side wall of the working box, a plurality of limiting grooves are formed in the side wall of the rotary drum, two clamping plates are fixedly connected to the inner wall of the rotary drum, two clamping grooves are formed in the wall of the threaded rod, and the same first spring is fixedly connected to the side wall between the rotary drum and the threaded rod.

Preferably, the lateral wall fixedly connected with many second springs of clamp, many the same arc of one end fixedly connected with that the clamp was kept away from to the second spring.

Preferably, the side wall of the arc-shaped plate is fixedly connected with a rubber pad.

Preferably, the threads of the front side and the rear side of the threaded rod are opposite.

Preferably, a rotating plate is fixedly connected to the side wall of the rotating cylinder.

Compared with the prior art, the utility model provides a liquid level sensor which is stably installed, and has the following beneficial effects:

this stable level sensor of installation through the sensor body, riser, connecting rod, last electrode, bottom electrode, work box, threaded rod, a thread section of thick bamboo, bent plate, sliding port, the clamp that sets up, can adjust the distance between two clamps according to the size of infusion bottle, makes the stable installation of level sensor body outside the infusion bottle, has improved the stability of level sensor installation.

The distance between the two hoops can be adjusted according to the size of the infusion bottle, so that the liquid level sensor body is stably arranged outside the infusion bottle, and the installation stability of the liquid level sensor is improved.

Drawings

FIG. 1 is a schematic structural view of a stably mounted level sensor according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a work box of the liquid level sensor provided by the utility model and stably installed;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the sensor comprises a sensor body 1, a vertical plate 2, a connecting rod 3, an upper electrode 4, a lower electrode 5, a working box 6, a threaded rod 7, a threaded cylinder 8, a bent plate 9, a sliding opening 10, a hoop 11, a rotating plate 12, a rotating cylinder 13, a limiting pin 14, a limiting groove 15, a clamping plate 16, a clamping groove 17, a first spring 18, a second spring 19, an arc plate 20 and a rubber pad 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a liquid level sensor with stable installation comprises a sensor body 1, wherein the upper side wall and the lower side wall of the sensor body 1 are both fixedly connected with a vertical plate 2, the vertical plate 2 is vertically arranged, the side wall of the vertical plate 2 is provided with a groove, a connecting rod 3 is hinged in the groove, the connecting rod 3 is horizontally arranged, one end of the upper side connecting rod 3 is fixedly connected with an upper electrode 4, one end of the lower side connecting rod 3 is fixedly connected with a lower electrode 5, the working principle of the upper electrode 4 and the lower electrode 5 is the prior art, the left side wall of the sensor body 1 is fixedly connected with a working box 6 through a connecting block, the front inner wall and the rear wall of the working box 6 are both rotatably connected with a threaded rod 7 through bearings, two threaded cylinders 8 are sleeved on the outer thread of the threaded rod 7, the threads on the front side and the rear side of the threaded rod 7 are opposite, the two threaded cylinders 8 can move towards the directions close to each other or the principle, the side walls of the two threaded cylinders 8 are both fixedly connected with bent plates 9, two sliding openings 10 are formed in the side wall of the working box 6, and the side walls of the opposite sides of the two bent plates 9 are fixedly connected with clamps 11.

Referring to fig. 2-3, the front end of the threaded rod 7 extends out of the work box 6, the front end cover of the threaded rod 7 is provided with a rotary drum 13, the side wall of the rotary drum 13 is fixedly connected with a rotary plate 12 to facilitate rotation of the rotary drum 13, the front side wall of the work box 6 is symmetrically and fixedly connected with two limit pins 14, the side wall of the rotary drum 13 is provided with a plurality of limit grooves 15, the inner wall of the rotary drum 13 is fixedly connected with two clamping plates 16, the rod wall of the threaded rod 7 is provided with two clamping grooves 17, the side wall between the rotary drum 13 and the threaded rod 7 is fixedly connected with a same first spring 18, the side wall of the clamp 11 is fixedly connected with a plurality of second springs 19, one ends of the plurality of second springs 19 far away from the clamp 11 are fixedly connected with a same arc plate 20, the side wall of the arc plate 20 is fixedly connected with a rubber pad 21, the stability between the arc plate 20 and an infusion bottle is increased, and the stability of connection between the clamp 11 and the infusion bottle is increased, the stability of the placement of the threaded rod 7 is increased.

When the liquid level sensor is used, an infusion bottle is placed between the two hoops 11, the rotary drum 13 is pulled to a proper position in the direction far away from the working box 6, then the rotary drum 13 is rotated, the rotary drum 13 drives the threaded rod 7 to rotate through the mutual matching of the clamping plate 16 and the clamping groove 17, the two threaded cylinders 8, the bent plate 9 and the hoops 11 are driven to move in the direction close to each other through the thread matching, the infusion bottle is clamped through the arc-shaped plate 20 and the rubber pad 21, the distance between the two hoops can be adjusted according to the size of the infusion bottle, the liquid level sensor body is stably installed outside the infusion bottle, and the installation stability of the liquid level sensor is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The liquid level sensor with stable installation comprises a sensor body (1) and is characterized in that the upper side wall and the lower side wall of the sensor body (1) are fixedly connected with a vertical plate (2), the side wall of the vertical plate (2) is provided with a groove, a connecting rod (3) is hinged in the groove, the upper side wall and the lower side wall of the connecting rod (3) are fixedly connected with an upper electrode (4) and a lower electrode (5), the left side wall of the sensor body (1) is fixedly connected with a working box (6) through a connecting block, the front inner wall and the rear inner wall of the working box (6) are rotatably connected with a threaded rod (7) through bearings, two threaded cylinders (8) are sleeved on the outer thread of the threaded rod (7), bent plates (9) are fixedly connected on the side walls of the two threaded cylinders (8), and two sliding ports (10) are formed in the side walls of the working box (6), two the equal fixedly connected with clamp (11) of lateral wall of one side in opposite directions of bent plate (9).

2. The liquid level sensor with stable installation according to claim 1, wherein the front end of the threaded rod (7) extends out of the working box (6), the front end cover of the threaded rod (7) is provided with a rotary drum (13), the front side wall of the working box (6) is symmetrically and fixedly connected with two limiting pins (14), the side wall of the rotary drum (13) is provided with a plurality of limiting grooves (15), the inner wall of the rotary drum (13) is fixedly connected with two clamping plates (16), the rod wall of the threaded rod (7) is provided with two clamping grooves (17), and the side wall between the rotary drum (13) and the threaded rod (7) is fixedly connected with the same first spring (18).

3. A liquid level sensor with stable installation according to claim 1, wherein a plurality of second springs (19) are fixedly connected to the side wall of the clamp (11), and one end of the plurality of second springs (19) far away from the clamp (11) is fixedly connected with the same arc-shaped plate (20).

4. A stable mounted liquid level sensor according to claim 3, wherein a rubber pad (21) is fixedly connected to the side wall of the arc plate (20).

5. A stable mounted level sensor as claimed in claim 1, wherein the threaded rod (7) is threaded with opposite threads on the front and rear sides.

6. A stable mounted level sensor according to claim 2, wherein a rotating plate (12) is fixedly attached to the side wall of the rotating drum (13).

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