CN219347914U

CN219347914U - Novel liquid level sensor

Info

Publication number: CN219347914U
Application number: CN202320765393.XU
Authority: CN
Inventors: 叶志明
Original assignee: Shenzhen Guqin Technology Co ltd
Current assignee: Shenzhen Guqin Technology Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-07-14
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to the technical field of liquid level sensors and discloses a novel liquid level sensor, which comprises a head and a bottom, wherein a floating ball is arranged between the head and the bottom, a magnetic ring is embedded in the floating ball, a plurality of connecting cylinders are assembled between the head and the bottom, the floating ball is slidably sleeved on the connecting cylinders, the inner surfaces of the connecting cylinders are fixedly connected with sliding rods through thin rods, a plurality of connecting cylinders are internally provided with resistance rods, two adjacent connecting cylinders are connected through connecting components, two adjacent resistance rods are connected through conducting components, and one connecting cylinder is internally provided with an electricity connecting component. When the liquid level sensor provided by the utility model is used, a worker can adjust the whole length of the liquid level sensor by adjusting the number of the connecting cylinders between the head and the bottom, so that the detection range of the liquid level sensor is adjusted, and the applicability of the device is improved.

Description

Novel liquid level sensor

Technical Field

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

Background

The liquid level sensor is a pressure sensor for measuring liquid level, the floating ball type liquid level transmitter is a common liquid level sensor, the floating ball type liquid level transmitter consists of a magnetic floating ball, a measuring conduit, a signal unit, an electronic unit, a junction box and a mounting piece, the magnetic floating ball can float above the liquid level and move up and down along the measuring conduit, a measuring element is arranged in the conduit, a measured liquid level signal can be converted into a resistance signal which is in direct proportion to the change of the liquid level under the action of external magnetism, the electronic unit is converted into a standard signal for output, the length of the liquid level sensor in the prior art is generally fixed and cannot be adjusted, the detection range of the liquid level sensor is limited, and the applicability is poor, so the novel liquid level sensor needs to be designed to solve the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a novel liquid level sensor.

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

the utility model provides a novel liquid level sensor, includes head and bottom, be provided with the floater between head and the bottom, the inside of floater is inlayed and is equipped with the magnetic ring, be equipped with a plurality of connecting cylinders between head and the bottom, floater slip cap is established on a plurality of connecting cylinders, a plurality of the inner face of connecting cylinder all is provided with the resistance bar through thin pole fixedly connected with slide bar, a plurality of the inside of connecting cylinder all is provided with the resistance bar, adjacent two be connected through coupling assembling between the connecting cylinder, adjacent two connect through switching on the subassembly between the resistance bar, one of them the inside of connecting cylinder is provided with and connects electric assembly.

As a preferable technical scheme of the utility model, the connecting component comprises a fixed ring and a rubber ring, wherein the fixed ring is fixedly connected to one of the connecting cylinders, threads are arranged on the surface of the fixed ring, screw grooves matched with the threads are arranged on the inner surface of the other connecting cylinder, and the rubber ring is sleeved on the fixed ring.

As a preferable technical scheme of the utility model, the conducting component comprises a fixed block, a slot, a sliding block, a slot, a limiting groove, a limiting block and two magnetic sheets, wherein the fixed block is fixedly connected with one end of one resistance rod, the sliding block is slidably sleeved on one end of the other resistance rod, the slot is arranged on the fixed block, the sliding block is movably inserted in the slot, the slot is arranged on the sliding block, the slot is slidably connected with the corresponding resistance rod, the limiting groove is arranged on the inner surface of the slot, the limiting block is fixedly connected with the corresponding resistance rod, the limiting block is slidably connected in the limiting groove, one magnetic sheet is fixedly connected with the inner surface of the slot, and the other magnetic sheet is fixedly connected with the sliding block.

As a preferable technical scheme of the utility model, the power-on assembly comprises a conductive sliding block, a groove, a spring and a conductive core, wherein the conductive sliding block is sleeved on the sliding rod in a sliding way, the groove is formed in the conductive sliding block, the conductive core is connected in the groove in a sliding way, one end of the spring is connected with the groove, and the other end of the spring is connected with the conductive core.

As a preferable technical scheme of the utility model, the fixed block and the sliding block are made of conductive materials.

As a preferable technical scheme of the utility model, the conductive sliding block is provided with an avoidance port which is matched with the thin rod.

According to the utility model, the connecting cylinders, the connecting assemblies, the conducting assemblies and the power-on assemblies are arranged, so that a worker can adjust the whole length of the liquid level sensor by adjusting the number of the connecting cylinders between the head and the bottom, the detection range of the liquid level sensor is further adjusted, the applicability of the device is improved, and the conducting assemblies and the power-on assemblies ensure that the device can realize the detection function.

Drawings

FIG. 1 is a schematic diagram of a novel liquid level sensor according to the present utility model;

FIG. 2 is an enlarged view of a partial structure of a novel liquid level sensor according to the present utility model;

fig. 3 is an enlarged view of the structure of the position a of the novel liquid level sensor provided by the utility model.

In the figure: the electric power-on device comprises a head part 1, a bottom part 2, a connecting cylinder 3, a floating ball 4, a magnetic ring 5, a sliding rod 6, a resistance rod 7, a connecting component 8, a fixing ring 81, a rubber ring 82, a conduction component 9, a fixing block 91, a slot 92, a sliding block 93, a slot 94, a limit slot 95, a limit block 96, a magnetic sheet 97, a power-on component 10, a conductive sliding block 101, a groove 102, a spring 103 and a conductive core 104.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a novel liquid level sensor, including head 1 and bottom 2, be provided with floater 4 between head 1 and the bottom 2, the inside of floater 4 is inlayed and is equipped with magnetic ring 5, be equipped with a plurality of connecting cylinders 3 between head 1 and the bottom 2, floater 4 slip cap is established on a plurality of connecting cylinders 3, the inner face of a plurality of connecting cylinders 3 all is provided with resistance rod 7 through thin pole fixedly connected with slide bar 6, the inside of a plurality of connecting cylinders 3 all is provided with between two adjacent connecting cylinders 3, be connected through coupling assembling 8 between two adjacent resistance rods 7, be connected through switching on subassembly 9, the inside of one of them connecting cylinder 3 is provided with electric assembly 10.

Referring to fig. 3, the connection assembly 8 includes a fixing ring 81 and a rubber ring 82, the fixing ring 81 is fixedly connected to one of the connection barrels 3, threads are provided on the surface of the fixing ring 81, a screw groove adapted to the threads is provided on the inner surface of the other connection barrel 3, the rubber ring 82 is sleeved on the fixing ring 81, the rubber ring 82 can not only increase the connection stability between the threads and the screw groove, but also ensure the sealing performance between the two connection barrels 3, and the connection between the two connection barrels 3 is facilitated by the arrangement of the connection assembly 8.

Referring to fig. 3, the conducting component 9 includes a fixed block 91, a slot 92, a sliding block 93, a slot 94, a limit groove 95, a limit block 96 and two magnetic sheets 97, the fixed block 91 is fixedly connected at one end of one of the resistor rods 7, the sliding block 93 is slidably sleeved at one end of the other resistor rod 7, the slot 92 is opened on the fixed block 91, the sliding block 93 is movably inserted in the slot 92, the outer edge of the sliding block 93 is mutually attached to the inner face of the slot 92, the stability of the sliding block 93 in the slot 92 can be ensured by such arrangement, the slot 94 is opened on the sliding block 93, the slot 94 is slidably connected with the corresponding resistor rod 7, the limit groove 95 is opened at the inner face of the slot 94, the limit block 96 is fixedly connected with the corresponding resistor rod 7, the limit block 96 is slidably connected in the limit groove 95, the limit groove 95 and the limit block 96 play the role of limiting and guiding the movement of the sliding block 93, one magnetic sheet 97 is fixedly connected at the inner face of the slot 92, the other magnetic sheet 97 is fixedly connected with the sliding block 93, the two magnetic sheets 97 are arranged, the connection between the fixed block 91 and the sliding block 93 is facilitated, and the electrical connection between the two resistor rods 7 are facilitated by arranging the conducting component 9.

Referring to fig. 3, the electrical connection assembly 10 includes a conductive slider 101, a groove 102, a spring 103 and a conductive core 104, the conductive slider 101 is slidably sleeved on the sliding rod 6, the groove 102 is provided on the conductive slider 101, the conductive core 104 is slidably connected in the groove 102, one end of the spring 103 is connected with the groove 102, the other end of the spring 103 is connected with the conductive core 104, and by setting the electrical connection assembly 10, the conductive core 104 can be always contacted with the resistor rod 7, the fixed block 91 and the sliding block 93 in the moving process, so as to realize the detection function of the liquid level sensor.

Referring to fig. 3, the fixed block 91 and the sliding block 93 are made of conductive materials, so as to facilitate electrical communication between the two resistance rods 7.

Referring to fig. 3, the conductive sliding block 101 is provided with a avoiding opening adapted to the thin rod, so that the conductive sliding block 101 can slide on the sliding rods 6 conveniently.

The specific working principle of the utility model is as follows:

the shell of the liquid level sensor provided by the utility model consists of the head part 1, the bottom part 2 and a plurality of connecting cylinders 3, a worker can adjust the whole length of the liquid level sensor by adjusting the number of the connecting cylinders 3 between the head part 1 and the bottom part 2, so as to adjust the detection range of the liquid level sensor, and as the plurality of connecting cylinders 3 and related structures are completely identical, only the connection mode of any two connecting cylinders 3 is described in detail: when the two connecting cylinders are connected, a worker pulls the sliding block 93 on one of the resistor rods 7 at first, inserts the sliding block 93 into the slot 92 on the fixed block 91, when the sliding block 93 is completely inserted into the slot 92, the sliding block 93 and the two magnetic sheets 97 on the slot 92 can be mutually contacted and adsorbed, the sliding block 93 can be fixed in the slot 92, so that the electric communication between the two resistor rods 7 is realized, then, the worker sleeves one end of one connecting cylinder 3 on the fixed ring 81 on the other connecting cylinder 3, the two connecting cylinders 3 are connected by utilizing the screw threads on the fixed ring 81 and the screw grooves on the connecting cylinders 3, and after the two connecting cylinders 3 are connected, the two slide bars 6 in the two connecting cylinders 3 can be just aligned;

when the liquid level sensor provided by the utility model works, the floating ball 4 floats up and down along with the liquid level, the conductive sliding block 101 moves up and down along with the floating ball 4 under the magnetic attraction of the magnetic ring 5 in the floating ball 4, the conductive sliding block 101 plays a role in limiting and guiding the conductive sliding block 101 in the moving process, the stability of the conductive sliding block 101 moving in a plurality of connecting cylinders 3 is ensured, and secondly, under the elastic force of the spring 103, the conductive core 104 always has a trend of moving towards the outside of the groove 102, so that the conductive core 104 can always be contacted with the resistance rod 7, the fixed block 91 and the sliding block 93 in the moving process, the detection function of the liquid level sensor is realized, and further, one end of the conductive core 104 positioned outside the groove 102 is in an arc-shaped structure, so that the conductive core 104 can move under the extrusion action of the fixed block 91 and the sliding block 93;

it should be noted that, the cross sections of the fixed block 91, the slot 92, the sliding block 93 and the slot 94 are all circular structures, so that the sliding block 93 can rotate in the slot 92, and then the two connecting cylinders 3 can rotate relatively;

it should be noted that the working principle of the liquid level sensor provided by the utility model is not used as an innovative part of the technical scheme, and is not shown in the drawings and is not repeated herein.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a novel liquid level sensor, includes head (1) and bottom (2), be provided with floater (4) between head (1) and bottom (2), the inside of floater (4) is inlayed and is equipped with magnetic ring (5), its characterized in that, be equipped with a plurality of connecting cylinders (3) between head (1) and bottom (2), floater (4) slip cap is established on a plurality of connecting cylinders (3), a plurality of the inner face of connecting cylinder (3) all is provided with resistance rod (7) through thin pole fixedly connected with slide bar (6), a plurality of the inside of connecting cylinder (3), adjacent two be connected through coupling assembling (8) between connecting cylinder (3), adjacent two be connected through switching on subassembly (9) between resistance rod (7), one of them the inside of connecting cylinder (3) is provided with and connects electric assembly (10).

2. The novel liquid level sensor according to claim 1, wherein the connecting assembly (8) comprises a fixed ring (81) and a rubber ring (82), the fixed ring (81) is fixedly connected to one of the connecting cylinders (3), threads are arranged on the surface of the fixed ring (81), screw grooves matched with the threads are formed in the inner surface of the other connecting cylinder (3), and the rubber ring (82) is sleeved on the fixed ring (81).

3. The novel liquid level sensor according to claim 1, wherein the conducting component (9) comprises a fixed block (91), a slot (92), a sliding block (93), a slot (94), a limiting groove (95), a limiting block (96) and two magnetic sheets (97), the fixed block (91) is fixedly connected to one end of one of the resistor rods (7), the sliding block (93) is slidably sleeved at one end of the other resistor rod (7), the slot (92) is formed in the fixed block (91), the sliding block (93) is movably inserted in the slot (92), the slot (94) is formed in the sliding block (93), the slot (94) is connected with the corresponding resistor rod (7) in a sliding mode, the limiting groove (95) is formed in the inner face of the slot (94), the limiting block (96) is fixedly connected to the corresponding resistor rod (7), the limiting block (96) is slidably connected to the inner face of the other resistor rod (7), and one of the magnetic sheets (97) is fixedly connected to the other magnetic sheet (97).

4. The novel liquid level sensor according to claim 1, wherein the power receiving component (10) comprises a conductive sliding block (101), a groove (102), a spring (103) and a conductive core (104), the conductive sliding block (101) is slidably sleeved on the sliding rod (6), the groove (102) is formed in the conductive sliding block (101), the conductive core (104) is slidably connected in the groove (102), one end of the spring (103) is connected with the groove (102), and the other end of the spring (103) is connected with the conductive core (104).

5. A novel liquid level sensor according to claim 3, wherein the fixed block (91) and the sliding block (93) are made of conductive materials.

6. The novel liquid level sensor according to claim 4, wherein the conductive sliding block (101) is provided with an avoidance port matched with the thin rod.