CN218994482U

CN218994482U - Oil engine liquid level sensing device

Info

Publication number: CN218994482U
Application number: CN202223351047.1U
Authority: CN
Inventors: 吕明; 沈国平; 叶正方; 付锐
Original assignee: Hangzhou Dianke Technology Co ltd; Hangzhou Siqin Communication Technology Co ltd; Hangzhou Daguangming Communication System Co ltd; Zhejiang Technical Institute of Economics
Current assignee: Hangzhou Dianke Technology Co ltd; Hangzhou Siqin Communication Technology Co ltd; Hangzhou Daguangming Communication System Co ltd; Zhejiang Technical Institute of Economics
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-09
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a liquid level sensing device of an oil machine, which comprises a panel, a base, a turntable seat, a turntable, a floater and a connecting rod, wherein the back surface of the panel is fixedly connected with the base; the turntable seat is fixedly connected with an electrode sheet A, and the turntable seat is fixedly connected with an electrode sheet B; the rotary table is provided with a lug A and a lug B, the lug A is matched with the left stop block, the lug B is matched with the right stop block, and the rotary table is limited to rotate only on the circumferential surface of the rotary table seat between the left stop block and the right stop block; the fan-shaped resistor A is in contact connection with the elastic sheet A, and the fan-shaped resistor B is in contact connection with the elastic sheet B. The beneficial effects of the utility model are as follows: the rotary table and the rotary table seat are in a rotary fit structure, and the elastic sheet and the fan-shaped resistance sheet rotate along with the rotary table, so that the resistance value of the connected resistor is changed, different liquid levels correspond to different output resistance values, and the purpose of accurately detecting the liquid levels is achieved; the rotary matching structure makes the whole volume smaller.

Description

Oil engine liquid level sensing device

Technical Field

The utility model relates to the field of liquid level sensing, in particular to a liquid level sensing device of an oil engine.

Background

Chinese CN211317474U discloses a diesel engine lubricating oil tank liquid level detection device, including the terminal box, flange, body of rod and float, the terminal box is established on the flange top, the body of rod is established in the flange bottom, be equipped with the magnetic resistance sequence board in the body of rod inside, be equipped with a plurality of resistance and magnetic reed switch on the magnetic resistance sequence board, the resistance concatenates in proper order, and form first wiring end at arbitrary end of concatenating the line, the magnetic reed switch is along the even interval arrangement of body of rod length direction, and the one end of magnetic reed switch corresponds to connect on the wiring between adjacent resistance, the other end of magnetic reed switch merges the back and forms the second wiring, the float activity cup joints in the outside of the body of rod, and inlay in the inside of float and be equipped with the magnet. The principle is as follows: the float moves up and down along the rod body along with the change of the liquid level in the lubricating oil tank, the magnetic reed switch at the corresponding position of the magnet in the float is conducted, so that the resistance output end of the magnetic resistance sequence plate outputs the corresponding resistance value, and when different magnetic reed switches are conducted, the number of resistors connected into a circuit is different, so that the output resistance value of the magnetic resistance sequence plate is changed, different liquid levels are corresponding to different output resistance values, and the aim of accurately detecting the liquid level is fulfilled. The defects are that: the plurality of resistors are arranged on the magnetic resistance sequence plate along the height direction, so that the magnetic resistance sequence plate is large in height, and the overall device is large in height. In addition, the above patent only measures accurately, and has no rough structure.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a liquid level sensing device of an oil engine.

The aim of the utility model is achieved by the following technical scheme. The utility model provides an oil machine liquid level sensing device, includes panel, base, carousel seat, carousel, float and connecting rod, the back fixedly connected with base of panel, the one end cartridge of connecting rod is on the carousel, carousel and carousel seat rotate to be connected and the coupling is on the curb plate of base, the other end of connecting rod is connected with the float; the electrode plate A is fixedly connected to the turntable seat, an elastic sheet A is formed at the end part of the turntable seat, an electrode plate B is fixedly connected to the turntable seat, an elastic sheet B is formed at the end part of the turntable seat, and the electrode plate A and the electrode plate B are led out through a lead; the rotary table is characterized in that a left stop block and a right stop block are arranged on the circumferential surface of the rotary table seat, a convex block A and a convex block B are arranged on the rotary table, the convex block A is matched with the left stop block, the convex block B is matched with the right stop block, and the rotary table is limited to rotate only on the circumferential surface of the rotary table seat between the left stop block and the right stop block; the fan-shaped resistor A and the fan-shaped resistor B are arranged on the two sides of the center of the end face of the turntable, the fan-shaped resistor A and the fan-shaped resistor B are electrically connected through connecting sheets, the fan-shaped resistor A is in contact connection with the elastic sheet A, and the fan-shaped resistor B is in contact connection with the elastic sheet B.

Furthermore, a transparent window is arranged in the middle of the panel, color blocks are arranged on the circumferential surface of the rotating disc between the convex blocks A and B, and the color blocks correspond to the transparent window in position.

Still further, be equipped with spacing groove A and spacing groove B on the carousel seat, the periphery of carousel is clearance fit with spacing groove A and spacing groove B.

Furthermore, the turntable seat is provided with a buckle.

The beneficial effects of the utility model are as follows:

1. the rotary table and the rotary table seat are in a rotary fit structure, and the elastic sheet and the fan-shaped resistance sheet rotate along with the rotary table, so that the resistance value of the connected resistor is changed, different liquid levels correspond to different output resistance values, and the purpose of accurately detecting the liquid levels is achieved; the rotary matching structure enables the whole volume to be smaller and the precision to be higher.

2. A transparent window is arranged in the middle of the panel, color blocks are arranged on the circumferential surface of the rotating disc between the convex blocks A and B, the color blocks correspond to the transparent window in position, and the color blocks corresponding to different liquid levels are arranged at different positions, so that the positions of the color blocks can be seen through the transparent window, and the purpose of roughly measuring the liquid level can be achieved.

Drawings

Fig. 1 is a schematic perspective view of fig. 1 of the present utility model.

Fig. 2 is a schematic perspective view of fig. 2 according to the present utility model.

Fig. 3 is a schematic view of a panel portion structure of the present utility model.

Fig. 4 is a schematic perspective view 1 with the base and the faceplate removed.

Fig. 5 is a schematic perspective view of fig. 2 with the base and faceplate removed.

Fig. 6 is a schematic structural view of the turntable base.

Fig. 7 is a schematic structural view of the turntable.

Reference numerals illustrate: panel 1, transparent window 2, wire 3, color block 4, base 5, carousel seat 6, left dog 6-1, right dog 6-2, buckle 6-3, spacing groove A6-4, spacing groove B6-5, carousel 7, lug A7-1, lug B7-2, electrode slice A8, shell fragment A8-1, electrode slice B9, shell fragment B9-1, float 10, connecting rod 11, fan-shaped resistance A12, fan-shaped resistance B13, connection piece 14.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the embodiments described below or technical features may be arbitrarily combined to form new embodiments.

As shown in fig. 1-5, an oil level sensing device comprises a panel 1, a base 5, a turntable seat 6, a turntable 7, a floater 10 and a connecting rod 11, wherein the base 5 is fixedly connected to the back of the panel 1, one end of the connecting rod 11 is inserted on the turntable 7, the turntable 7 and the turntable seat 6 are rotationally connected and are axially connected to a side plate of the base 5, a limit groove A6-4 and a limit groove B6-5 are arranged on the turntable seat 6, the circumferential surface of the turntable 7 is in rotational clearance fit with the limit groove A6-4 and the limit groove B6-5, the floater 10 is connected to the other end of the connecting rod 11, and a buckle 6-3 is arranged on the turntable seat 6 and is used for being installed on an oil tank.

As shown in fig. 6-7, the turntable seat 6 is fixedly connected with an electrode plate A8 and forms an elastic sheet A8-1 at the end part, the turntable seat 6 is fixedly connected with an electrode plate B9 and forms an elastic sheet B9-1 at the end part, and the electrode plate A8 and the electrode plate B9 are led out through a lead 3; the rotary table seat 6 is provided with a left stop block 6-1 and a right stop block 6-2 on the circumferential surface, the rotary table 7 is provided with a convex block A7-1 and a convex block B7-2, the convex block A7-1 is matched with the left stop block 6-1, the convex block B7-2 is matched with the right stop block 6-2, and the rotary table 7 is limited to rotate only on the circumferential surface of the rotary table seat 6 between the left stop block 6-1 and the right stop block 6-2; the fan-shaped resistor piece A12 and the fan-shaped resistor piece B13 are arranged on the two sides of the center of the end face of the turntable 7, the fan-shaped resistor piece A12 and the fan-shaped resistor piece B13 are electrically connected through a connecting sheet 14, the fan-shaped resistor piece A12 is in contact connection with the elastic sheet A8-1, the fan-shaped resistor piece B13 is in contact connection with the elastic sheet B9-1, and the elastic sheet can move on the fan-shaped resistor piece.

The panel 1 is provided with a transparent window 2 in the middle, and color blocks 4 are arranged on the circumferential surface of the rotary disc 7 between the convex blocks A7-1 and the convex blocks B7-2, and the color blocks 4 correspond to the transparent window 2 in position.

Working principle:

1. the float drives the turntable 7 to rotate relative to the turntable seat 6 according to the height of the liquid level, so that the color lump rotates along with the turntable 7, the position of the color lump can be seen from the transparent window, and the height of the liquid level can be roughly measured according to the position of the color lump (such as the low liquid level near the left).

2. Simultaneously, carousel 7 rotates for carousel seat 6 for shell fragment and fan-shaped resistance piece are along with relative rotation, and the resistance value in the access circuit also can change, and different liquid levels correspond different output resistance values, reach the purpose of accurate detection liquid level.

It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present utility model should fall within the scope of the claims appended hereto.

Claims

1. An oil engine liquid level sensing device which is characterized in that: the novel multifunctional electric water heater comprises a panel (1), a base (5), a turntable seat (6), a turntable (7), a floater (10) and a connecting rod (11), wherein the base (5) is fixedly connected to the back of the panel (1), one end of the connecting rod (11) is inserted on the turntable (7), the turntable (7) is rotationally connected with the turntable seat (6) and is connected to a side plate of the base (5) in a shaft joint manner, and the floater (10) is connected to the other end of the connecting rod (11); an electrode sheet A (8) is fixedly connected to the turntable seat (6) and an elastic sheet A (8-1) is formed at the end part of the turntable seat, an electrode sheet B (9) is fixedly connected to the turntable seat (6) and an elastic sheet B (9-1) is formed at the end part of the turntable seat, and the electrode sheet A (8) and the electrode sheet B (9) are led out through a lead (3); the rotary table seat (6) is provided with a left stop block (6-1) and a right stop block (6-2), the rotary table (7) is provided with a convex block A (7-1) and a convex block B (7-2), the convex block A (7-1) is matched with the left stop block (6-1), the convex block B (7-2) is matched with the right stop block (6-2), and the rotary table (7) is limited to rotate only on the circumferential surface of the rotary table seat (6) between the left stop block (6-1) and the right stop block (6-2); the fan-shaped resistor piece A (12) and the fan-shaped resistor piece B (13) are arranged on the end face of the turntable (7) along the two sides of the center, the fan-shaped resistor piece A (12) and the fan-shaped resistor piece B (13) are electrically connected through a connecting sheet (14), the fan-shaped resistor piece A (12) is in contact connection with the elastic sheet A (8-1), and the fan-shaped resistor piece B (13) is in contact connection with the elastic sheet B (9-1).

2. The oil engine level sensing apparatus of claim 1, wherein: transparent window (2) is opened in the middle of panel (1), is equipped with color lump (4) on carousel (7) periphery between lug A (7-1) and lug B (7-2), and color lump (4) correspond with transparent window (2) position.

3. The oil engine level sensing apparatus of claim 2, wherein: the rotary table seat (6) is provided with a limit groove A (6-4) and a limit groove B (6-5), and the circumferential surface of the rotary table (7) is in rotary clearance fit with the limit groove A (6-4) and the limit groove B (6-5).

4. A fuel level sensing apparatus as defined in claim 3, wherein: the turntable seat (6) is provided with a buckle (6-3).