Side-mounted liquid level sensor

By designing the sleeve structure and connector mounting method of the side-mounted liquid level sensor, the influence of liquid fluctuations on measurement accuracy was solved, and more stable liquid level measurement was achieved.

CN223925808UActive Publication Date: 2026-02-17DONGGUAN XIFULI ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520462261.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-17
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Existing liquid level sensors have low measurement accuracy when affected by liquid fluctuations.

Method used

A side-mounted liquid level sensor was designed. By setting a float inside the sleeve, the float does not contact the inner wall of the sleeve. Combined with the vent hole and drain hole on the sleeve, the influence of liquid fluctuation is reduced, and stable installation is achieved through the connector seat.

Benefits of technology

It improves the stability and accuracy of liquid level measurement and reduces the impact of liquid fluctuations on the measurement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sensors, in particular to a side-mounted liquid level sensor. A measuring rod is fixed between the bottom covers, a floating ball is movably arranged on the measuring rod, an upper check ring is fixed on the upper portion of the measuring rod, a lower check ring is fixed on the lower portion of the measuring rod, the floating ball is located between the upper check ring and the lower check ring, a sleeve is fixed between the mounting seat and the bottom covers, and the measuring rod and the floating ball are located in the sleeve. The side surface of the mounting seat is provided with a connector seat which is obliquely arranged, the connector seat is provided with a terminal, a connecting part is arranged between the connector seat and the mounting seat, the connecting part is provided with a wiring hole, and the side surfaces of the sleeve and the measuring rod are provided with gaps; side face installation is achieved through the connector base, the floating ball can be prevented from being affected by liquid fluctuation through the sleeve, and measurement stability is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field, especially side installation liquid level sensor. BACKGROUND

[0002] The existing liquid level sensor is installed in the box, and the change of liquid level drives the change of high and low positions of the float ball, but for some fields, the liquid in the box will fluctuate, thereby affecting the float ball and the accuracy of measurement.

[0003] Therefore, based on the defects of the existing liquid level sensor, the existing liquid level sensor needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a kind of side installation liquid level sensor to provide for the deficiency of prior art, which solves the defects of the existing liquid level sensor: liquid fluctuation affects measurement.

[0005] To achieve the above object, the utility model is realized by the following technical scheme.

[0006] A kind of side installation liquid level sensor, including mounting seat, bottom cover, bottom cover between fixed with measuring rod, measuring rod is movably provided with float ball, the upper portion of measuring rod is fixed with upper retaining ring, and the lower portion is fixed with lower retaining ring, float ball is located between upper retaining ring, lower retaining ring, mounting seat, bottom cover between fixed with sleeve, measuring rod, float ball are located in sleeve, bottom cover is provided with liquid inlet, the side of mounting seat has connector seat, connector seat is obliquely arranged, connector seat is installed with terminal, connector seat and mounting seat between with connecting portion, connecting portion is provided with wiring hole, the side of sleeve, measuring rod is provided with notch.

[0007] Further, the outer diameter of the float ball is less than the inner diameter of the sleeve. The float ball does not contact the inner wall of the sleeve, ensuring smooth lifting of the float ball.

[0008] Further, the side of the lower retaining ring protrudes radially to form a protruding block, and the outer end of the protruding block contacts the inner wall of the sleeve. The measuring rod can be better positioned.

[0009] Further, the upper portion of the sleeve is provided with an exhaust hole, and the exhaust hole is located above the upper retaining ring. The gas in the sleeve is discharged.

[0010] Further, the lower portion of the sleeve is provided with a liquid discharge hole, which can discharge the liquid in the sleeve.

[0011] Further, the lower end of the mounting seat protrudes to form a lower convex ring, the upper end of the measuring rod is inserted into the lower convex ring, and the measuring rod and the lower convex ring are fixed by screws. The measuring rod and the mounting seat can be fixed.

[0012] Further, the upper side of the measuring rod is provided with a first notch, and the sleeve is provided with a second notch, which are used for signal line leading-out connection.

[0013] Further, the lower end of the measuring rod is fixed with a screw rod, the lower end of the screw rod is fixed with a lock nut after penetrating through the bottom cover, and the lock nut can fix the measuring rod and the bottom cover.

[0014] Further, the inner side of the joint seat is an arc-shaped inner wall, which is tightly combined with the sleeve, so that the sleeve can be stably installed.

[0015] The beneficial effects of the liquid level sensor are as follows: the joint seat is used for side installation, the sleeve can prevent the floating ball from being affected by liquid fluctuation, and the stability of measurement is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a local structure schematic view of the utility model.

[0018] Figure 3 It is a sectional view schematic view of the utility model.

[0019] Label and explanation:

[0020] Mounting seat 1, bottom cover 2, measuring rod 3, floating ball 4, upper check ring 5, lower check ring 6, sleeve 7, liquid inlet hole 8, convex block 9, exhaust hole 10, liquid outlet hole 11, screw rod 12, lock nut 13, lower convex ring 14, screw 15, joint seat 16, connecting part 17, first notch 18, second notch 19. PREFERRED EMBODIMENT

[0021] The utility model will be further described below in combination with the drawings.

[0022] See Figure 1 --- Figure 3 The utility model discloses a side-mounted liquid level sensor, which comprises a mounting seat 1 and a bottom cover 2, the bottom cover 2 is fixed with a measuring rod 3, the measuring rod 3 is movably provided with a floating ball 4, the upper portion of the measuring rod 3 is fixed with an upper check ring 5, and the lower portion of the measuring rod 3 is fixed with a lower check ring 6, the floating ball 4 is located between the upper check ring 5 and the lower check ring 6, the upper check ring 5 is used for positioning a high liquid level value, and the lower check ring 6 is used for positioning a low liquid level value.

[0023] The bottom cover 2 of the utility model is provided with a liquid inlet hole 8, and liquid enters the sleeve 7 from the liquid inlet hole 8 and contacts the floating ball 4.

[0024] The side surface of the lower blocking ring 6 is radially protruded to form protruding blocks 9, the protruding blocks 9 are three, are centrally symmetrically arranged, the outer end of the protruding blocks 9 is in contact with the inner wall of the sleeve 7, so that the measuring rod 3 is installed at the central position of the sleeve 7.

[0025] The upper portion of the sleeve 7 is provided with an exhaust hole 10, the exhaust hole 10 is used for exhaust of the sleeve 7, and the exhaust hole 10 is located at the upper portion of the upper blocking ring 5.

[0026] The lower portion of the sleeve 7 is provided with a liquid discharge hole 11, liquid in the sleeve 7 can flow out from the liquid discharge hole 11, and the liquid discharge hole 11 is located at the lower portion of the lower blocking ring 6.

[0027] The lower end of the measuring rod 3 is fixedly connected with a screw rod 12, and the lower end of the screw rod 12 is fixedly connected with a lock nut 13 after penetrating through the bottom cover 2. The bottom cover 2, the measuring rod 3 and the sleeve 7 can be fixed by the lock nut 13, and the sleeve 7 can be disassembled and cleaned by dismounting the lock nut 13.

[0028] The lower end of the mounting seat 1 is protruded to form a lower protruding ring 14, the upper end of the measuring rod 3 is inserted into the lower protruding ring 14, and the measuring rod 3 and the lower protruding ring 14 are fixed by a screw 15. The upper portion of the measuring rod 3 is provided with a first notch 18 for leading out a signal line.

[0029] The side surface of the mounting seat 1 is provided with a connector seat 16, the connector seat 16 is inclinedly arranged, a terminal is mounted on the connector seat 16, quick plug-in can be realized, the connector seat 16 and the mounting seat 1 are provided with a connecting portion 17, the connecting portion 17 is provided with a wiring hole, the sleeve 7 is provided with a second notch 19, the signal line is led out from the first notch 18 of the measuring rod 3 and then led out from the second notch 19 of the sleeve 7 and electrically connected with the terminal. The inner side of the connector seat 16 is an arc-shaped inner wall and is tightly combined with the sleeve 7.

[0030] Of course, the above-mentioned embodiments are only preferred examples of the utility model, and are not limited to the scope of the utility model, so that equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope should be included in the utility model patent application scope.

Claims

1. A side-mounted liquid level sensor, characterized by: The utility model relates to a kind of liquid level measuring device, including mounting seat, bottom cover, fixed with measuring rod between bottom cover, float ball is movably arranged on measuring rod, the upper portion of measuring rod is fixed with upper check ring, and the lower portion is fixed with lower check ring, float ball is located between upper check ring and lower check ring, sleeve is fixed between mounting seat and bottom cover, measuring rod and float ball are located in sleeve, bottom cover is equipped with liquid inlet hole, the side of mounting seat has connector seat, connector seat is obliquely arranged, terminal is installed in connector seat, connector seat and mounting seat have connecting portion, connecting portion is equipped with wiring hole, the side of sleeve and measuring rod is equipped with notch.

2. A side-mounted liquid level sensor according to claim 1, characterized in that: The outer diameter of the float ball is less than the inner diameter of the sleeve.

3. A side-mounted liquid level sensor according to claim 1, characterized in that: The lower check ring is radially protruded on the side to form a protruding block, and the outer end of the protruding block is in contact with the inner wall of the sleeve.

4. A side-mounted liquid level sensor according to claim 1, characterized in that: The upper portion of the sleeve is equipped with an exhaust hole, and the exhaust hole is located above the upper check ring.

5. A side-mounted liquid level sensor according to claim 1, characterized in that: The lower portion of the sleeve is equipped with a liquid outlet hole.

6. A side-mounted liquid level sensor according to claim 1, characterized in that: The lower end of the mounting seat is protruded to form a lower convex ring, the upper end of the measuring rod is inserted into the lower convex ring, and the measuring rod and the lower convex ring are fixed by screws.

7. A side-mounted liquid level sensor according to claim 1, characterized in that: The upper side of the measuring rod is equipped with a first notch, and the side of the sleeve is equipped with a second notch.

8. A side-mounted liquid level sensor according to claim 6, characterized in that: The lower end of the measuring rod is fixed with a screw rod, and the lower end of the screw rod is fixed with a lock nut after passing through the bottom cover.

9. A side-mounted liquid level sensor according to claim 1, characterized in that: The inner side of the connector seat is an arc-shaped inner wall, which is tightly combined with the sleeve.