CN210625797U

CN210625797U - Oil sensor

Info

Publication number: CN210625797U
Application number: CN201921976099.3U
Authority: CN
Inventors: 刘贵来; 刘睿先
Original assignee: Xuzhou Sainuo Filter Technology Co ltd
Current assignee: Jiangsu Yansheng industrial Intelligence Research Institute Co., Ltd; XUZHOU SAINUO FILTER TECHNOLOGY CO.,LTD.
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-05-26
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses an oil sensor, which comprises a sensing container and a floater, wherein the upper end of the sensing container is connected with a flange, the bottom of the sensing container is fixedly connected with an installation block, oil inlets on two sides of the bottom of the sensing container are respectively provided with an oil inlet pipe, a filter screen is arranged at the outer side port of the oil inlet pipe, a connecting ring sleeve is arranged above the installation block and is fixedly arranged on the peripheral side of the sensing container, connecting blocks are respectively and fixedly connected on two sides of the connecting ring sleeve, the oil sensor is fixed on an oil tank through a magnetic block, the installation of the oil sensor is more convenient, the filter screen is arranged at the port of the oil inlet pipe through the oil inlet pipe at the bottom of the sensing container, metal particles in oil can be prevented from entering the sensing container, meanwhile, a cleaning brush is arranged at the port and is driven by a small motor, the filter, so that the oil normally enters the sensing container.

Description

Oil sensor

Technical Field

The utility model relates to a sensor specifically is a fluid sensor.

Background

The oil liquid level sensor is a part which utilizes the capacitance change between the sensor shell and the induction electrode caused by the oil entering the container and converts the change into the current change to detect the position (height) of the oil in the container, the sensing part of the capacitance type oil level sensor is a coaxial container, when the oil enters the container, the capacitance change between the sensor shell and the induction electrode is caused, the change is converted by a circuit and carries out accurate linear and temperature compensation, and a 4-20mA standard signal is output and supplied to a display instrument.

This fluid sensor passes through flange screw fixed mounting on the oil tank, and in the sensing position inserted the oil tank, fluid passed through the inlet port entering sensing container of sensing position bottom, but, traditional fluid sensor inlet port did not set up anti-clogging device, and contains the metal particle in the fluid, probably plug up the inlet port for a long time and lead to sensor sensing insensitive, need generally with trading whole sensor or clearance inlet port, unusual inconvenient. Accordingly, one skilled in the art has provided an oil sensor to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a fluid sensor to solve the problem that proposes among the above-mentioned background art.

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

an oil sensor comprises a sensing container and a floater, wherein the upper end of the sensing container is connected with a flange, the bottom of the sensing container is fixedly connected with a mounting block, oil inlets on two sides of the bottom of the sensing container are respectively provided with an oil inlet pipe, a filter screen is arranged at the end opening of the outer side of the oil inlet pipe, a connecting ring sleeve is arranged above the mounting block and is fixedly arranged on the periphery of the sensing container, connecting blocks are fixedly connected with two sides of the connecting ring sleeve, a screw rod and a slide rod are respectively arranged between the connecting blocks and the mounting block, the two screw rods are positioned between the two slide rods, the two slide rods are respectively fixedly connected between the connecting blocks and the mounting block, a first rotating shaft and two second rotating shafts are rotatably connected inside the mounting block, the first rotating shaft is positioned between the two second rotating shafts, a first gear is fixedly arranged on the periphery of the first rotating shaft, a, the bottom surface of the mounting block is provided with a small motor, the rotating shaft of the small motor is fixedly connected with the first rotating shaft, the two screw rods are fixedly connected with the second rotating shafts, the upper ends of the screw rods are rotatably connected with bearings, the rotating shaft of the small motor is used for driving the two screw rods to rotate through the first gear and the second gear, the bearings are fixedly arranged in the connecting block, the peripheral sides of the two screw rods are in threaded connection with cleaning brushes, one side of each cleaning brush is fixedly connected with a sliding block, the sliding blocks are connected on the sliding rods, when oil enters the sensing container through the oil inlet pipe, the filter screen at the port of the oil inlet pipe can filter metal particles in the oil, so that the problems of blockage of the sensing container and inaccurate liquid level detection value caused by the oil entering the sensing container are prevented, the filter screen is cleaned through the cleaning brush, so that oil normally enters the sensing container, and the floater is located above the connecting ring sleeve and is connected to the periphery of the sensing container in a sliding mode.

As a further aspect of the present invention: the cleaning surface of the cleaning brush is tightly attached to the filter screen, and the cleaning brush is connected with the sliding rod in a sliding mode through the sliding block. The cleaning brush arranged on one side of the port of the oil inlet pipe moves up and down at the port of the oil inlet pipe due to the threaded connection effect with the screw rod and the sliding connection effect with the sliding rod.

As a further aspect of the present invention: the vertical position of the oil inlet pipe is located in the middle of the screw rod, and the length of the screw rod and the length of the sliding rod are more than or equal to three times of the inner diameter of the oil inlet pipe.

As a further aspect of the present invention: the outer surface cover of small-size motor is equipped with protecting sheathing, and protecting sheathing fixed mounting is on the installation piece. The small motor is placed to be corroded and damaged by oil through the arrangement of the protective shell.

As a further aspect of the present invention: a plurality of threaded through holes are uniformly formed in the edge of a disc body of the flange, a magnetic block is arranged between every two adjacent threaded through holes, and the magnetic block is embedded inside the flange. The flange is fixed on the oil tank shell through the magnetic block in the flange, and then the sensor is installed and fixed on the oil tank through the threaded through hole and the screw on the flange.

As a further aspect of the present invention: an electrical box is mounted on the upper surface of the flange, and a transmission lead is connected to one side of the electrical box. The induction value is displayed by a display instrument externally connected with the electric appliance box and the transmission lead, and the small motor is periodically controlled by a control device to work.

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

1. this fluid sensor is through setting up a plurality of magnetic path in the ring flange, fixes the sensor on the oil tank through the magnetic path, convenience more when installation fluid sensor.

2. This fluid sensor sets up the filter screen through the inlet port inlet tube in sensing container bottom at the inlet tube port, can prevent that the metal particle in the fluid from getting into sensing container, sets up the cleaning brush simultaneously in the port department, by small motor drive, regularly clears up the filter screen through the cleaning brush, makes in the fluid normally gets into sensing container.

Drawings

Fig. 1 is a schematic structural view of an oil sensor.

Fig. 2 is an enlarged schematic structure diagram of a position a in the oil sensor.

Fig. 3 is a schematic top view of a mounting block in an oil sensor.

Fig. 4 is a schematic top view of a flange of the oil sensor.

FIG. 5 is a schematic diagram of a portion of a sensor pod of an oil sensor.

In the figure: 1. a sensing vessel; 2. a float; 3. a flange; 4. a magnetic block; 5. an electrical box; 6. a transmission wire; 7. mounting blocks; 8. a small-sized motor; 9. a protective housing; 10. a connecting ring sleeve; 11. connecting blocks; 12. an oil inlet pipe; 13. a filter screen; 14. a screw rod; 15. a bearing; 16. a cleaning brush; 17. a slider; 18. a slide bar; 19. a first rotating shaft; 20. a second rotating shaft; 21. a first gear; 22. a second gear; 23. a threaded through bore.

Detailed Description

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.

Please refer to fig. 1-5, in the embodiment of the present invention, an oil sensor, includes a sensing container 1 and a float 2, the upper end of the sensing container 1 is connected with a flange 3, a plurality of threaded through holes 23 are evenly opened at the edge of the plate body of the flange 3, a magnetic block 4 is arranged between the two adjacent threaded through holes 23, and the magnetic block 4 is buried underground inside the flange 3. The flange 3 is fixed on the oil tank shell through the magnet 4 in the flange 3, then the sensor is installed and fixed on the oil tank through the thread through hole 23 and the screw on the flange 3, the bottom end of the sensing container 1 is fixedly connected with the installation block 7, the oil inlets at the two sides of the bottom end of the sensing container 1 are both provided with the oil inlet pipe 12, the outer side port of the oil inlet pipe 12 is provided with the filter screen 13, a connecting ring sleeve 10 is arranged above the mounting block 7, the connecting ring sleeve 10 is fixedly mounted on the periphery of the sensing container 1, connecting blocks 11 are fixedly connected to both sides of the connecting ring sleeve 10, a screw rod 14 and a slide rod 18 are arranged between the two connecting blocks 11 and the mounting block 7, the two screw rods 14 are positioned between the two slide rods 18, the two slide rods 18 are fixedly connected between the connecting blocks 11 and the mounting block 7, the vertical position of the oil inlet pipe 12 is positioned in the middle of the screw rods 14, the length of the screw rod 14 and the slide rod 18 is more than or equal to three times of the diameter of the inner diameter of the oil inlet pipe 12;

the utility model discloses a mounting block 7, including mounting block 7, one side of mounting block is connected with two 20 of a pivot 19 and two pivots, and a pivot 19 is located between two 20 of two pivots, and the equal fixed mounting of 19 week sides of pivot has a gear 21, and the equal fixed mounting of two 20 week sides of two pivots has two 22 of gears, and the meshing of one 21 of gear and two 22 of gears, mounting block 7 bottom surface installs small motor 8, and the last surface mounting of flange 3 has electrical apparatus box 5, and one side of electrical apparatus box 5 is connected with transmission wire 6. The small motor 8 is controlled to work regularly by a display instrument connected with the outside of the electric appliance box 5 and the transmission lead 6 to display induction numerical values and a control device, the outer surface of the small motor 8 is sleeved with a protective shell 9, and the protective shell 9 is fixedly installed on the installation block 7. The small motor 8 is placed to be corroded and damaged by oil through the arrangement of the protective shell 9, the rotating shaft and the rotating shaft I19 of the small motor 8 are fixedly connected, the two screw rods 14 are fixedly connected with the two rotating shafts II 20, the upper end of each screw rod 14 is rotatably connected with a bearing 15, the rotating shaft of the small motor 8 is used for driving the two screw rods 14 to rotate through the gear I21 and the gear II 22, the bearings 15 are fixedly installed in the connecting block 11, the peripheral sides of the two screw rods 14 are in threaded connection with cleaning brushes 16, one side of each cleaning brush 16 is fixedly connected with a sliding block 17, the sliding block 17 is connected onto a sliding rod 18 in a sliding mode, when oil enters the sensing container 1 through the oil inlet pipe 12, the filter screen 13 at the port of the oil inlet pipe 12 can filter metal particles in the oil, the problem that the sensing container 1 is blocked and the liquid level detection value is inaccurate when the, and the cleaning brush 16 is slidably connected with the slide bar 18 through the slide block 17. The cleaning brush 16 that sets up one side at oil inlet pipe 12 port department owing to with the screw thread connection effect of lead screw 14 and with the sliding connection effect of slide bar 18, cleaning brush 16 will reciprocate at oil inlet pipe 12 port, cleans filter screen 13 through cleaning brush 16, makes inside fluid normally gets into sensing container 1, float 2 is located the top of connecting ring cover 10 and sliding connection in sensing container 1's week side.

The utility model discloses a theory of operation is:

when the oil sensor is used, firstly, a sensing container 1 of the sensor is inserted into an oil tank, a flange 3 is fixed on an oil tank shell through a magnetic block 4 in the flange 3, then the sensor is installed and fixed on the oil tank through a threaded through hole 23 and a screw on the flange 3, when oil enters the sensing container 1 through an oil inlet pipe 12, a filter screen 13 at the port of the oil inlet pipe 12 can filter metal particles in the oil, the problems of blockage and inaccurate liquid level detection value of the sensing container 1 caused by the fact that the oil enters the sensing container 1 are solved, meanwhile, a control device externally connected with an electric appliance box 5 and a transmission lead 6 is used for periodically controlling a small motor 8 to work, a rotating shaft of the small motor 8 drives two lead screws 14 to rotate through a first gear 21 and a second gear 22, and a cleaning brush 16 arranged at one side of the port of the oil inlet pipe 12 is in threaded connection with the lead screws 14 and in sliding connection with a sliding, the cleaning brush 16 moves up and down at the port of the oil inlet pipe 12 to clean the filter screen 13, so that oil normally enters the sensing container 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An oil sensor comprises a sensing container (1) and a floater (2), and is characterized in that a flange (3) is connected to the upper end of the sensing container (1), a mounting block (7) is fixedly connected to the bottom end of the sensing container (1), oil inlets on two sides of the bottom end of the sensing container (1) are respectively provided with an oil inlet pipe (12), a filter screen (13) is arranged at an outer side port of the oil inlet pipe (12), a connecting ring sleeve (10) is arranged above the mounting block (7), the connecting ring sleeve (10) is fixedly mounted on the peripheral side of the sensing container (1), connecting blocks (11) are respectively and fixedly connected to two sides of the connecting ring sleeve (10), a screw rod (14) and a sliding rod (18) are respectively arranged between the connecting blocks (11) and the mounting block (7), the two screw rods (14) are positioned between the two sliding rods (18), and the two sliding rods (18) are both fixedly connected between the connecting blocks (, the installation block (7) is internally connected with a first rotating shaft (19) and two second rotating shafts (20) in a rotating way, the first rotating shaft (19) is positioned between the two second rotating shafts (20), the first rotating shaft (19) is fixedly provided with a first gear (21) on the circumferential side, the two second rotating shafts (20) are fixedly provided with a second gear (22) on the circumferential side, the first gear (21) is meshed with the two second gears (22), the bottom surface of the installation block (7) is provided with a small motor (8), the rotating shaft of the small motor (8) is fixedly connected with the first rotating shaft (19), the two lead screws (14) are fixedly connected with the two second rotating shafts (20), the upper end of each lead screw (14) is rotatably connected with a bearing (15), the bearing (15) is fixedly arranged in a connecting block (11), the circumferential side of the two lead screws (14) is fixedly connected with a cleaning brush (16), one side of the cleaning brush (16) is fixedly connected with a, the floater (2) is positioned above the connecting ring sleeve (10) and is connected to the peripheral side of the sensing container (1) in a sliding mode.

2. The oil sensor according to claim 1, wherein the cleaning surface of the cleaning brush (16) is tightly attached to the filter screen (13), and the cleaning brush (16) is slidably connected with the sliding rod (18) through a sliding block (17).

3. The oil sensor as claimed in claim 1, wherein the oil inlet pipe (12) is vertically positioned at the middle position of the screw rod (14), and the length of the screw rod (14) and the slide rod (18) is greater than or equal to three times of the diameter of the inner diameter of the oil inlet pipe (12).

4. The oil sensor as claimed in claim 1, wherein the small motor (8) is sleeved with a protective casing (9) on the outer surface, and the protective casing (9) is fixedly arranged on the mounting block (7).

5. The oil sensor according to claim 1, wherein a plurality of threaded through holes (23) are uniformly formed in the edge of the plate body of the flange (3), a magnetic block (4) is arranged between every two adjacent threaded through holes (23), and the magnetic block (4) is embedded in the flange (3).

6. The oil sensor according to claim 1, wherein an electrical box (5) is mounted on the upper surface of the flange (3), and a transmission lead (6) is connected to one side of the electrical box (5).