CN108981638B

CN108981638B - Liquid level meter for determining depth of small-opening oil tank

Info

Publication number: CN108981638B
Application number: CN201810776484.7A
Authority: CN
Inventors: 徐旭松; 刘加南; 刘梦; 刘建
Original assignee: Jiangsu University of Technology
Current assignee: Jiangsu University of Technology
Priority date: 2018-07-10
Filing date: 2018-07-10
Publication date: 2020-07-28
Anticipated expiration: 2038-07-10
Also published as: CN108981638A

Abstract

The invention belongs to the technical field of oil tank detection, and particularly relates to a liquid level meter for determining the depth of a small-mouth oil tank, which comprises a support, an upper hinge body, a lower hinge body and a buoy body, wherein the support is sequentially provided with the upper hinge body, the lower hinge body and the buoy body from top to bottom, one end of the support, which is close to the upper hinge body, extends outwards to form a hook, the upper hinge body is fixedly arranged on the support, the lower hinge body and the buoy body are both arranged on the support in a vertically sliding manner, two ends of the upper hinge body are respectively hinged with the upper hinge body and one end of the lower hinge body, the other end of the lower hinge body is hinged with the lower hinge body, one surface of the buoy body, which is close to the lower hinge body, is provided with scales along the radial direction, and a finger counter matched with the scales. Has the advantages that: the depth liquid level meter for determining the small-opening oil tank, provided by the invention, provides data change through buoyancy, so that the data is more visual, and extra electronic equipment drive or electronic element detection depth is not required.

Description

Liquid level meter for determining depth of small-opening oil tank

Technical Field

The invention belongs to the technical field of oil tank detection, and particularly relates to a liquid level meter for determining the depth of a small-opening oil tank.

Background

The oil gauge of the oil tank is an important tool for detecting the oil quantity and providing oil filling information for a driver, so that the existence of the oil gauge is very necessary, the currently widely used built-in oil gauge integrates information display to a driver operation interface, the oil quantity information in the oil tank can be displayed visually, the oil gauge of the oil gauge mainly detects the oil quantity through a communicating vessel principle or other sensing devices and displays the oil quantity information in a digital mode, and the oil quantity detection is mainly used for traffic transport tools such as vehicles and the like.

For some entertainment oil consumption tools, the equipment is not favorable for cost control, and is unnecessary at the same time, and the real-time monitoring of the oil quantity is also unnecessary, but an oil tank depth liquid level meter is still needed to display the oil quantity of the oil tank and determine whether the oil quantity needs to be supplemented, the mechanism is simple, the internal oil quantity is convenient to observe under the condition of a small opening, and an illuminating device does not need to be additionally introduced.

Disclosure of Invention

In order to solve the problem that no simple and convenient oil quantity detection tool really detects the oil quantity of an oil tank of some entertainment oil consumption tools in the prior art, the invention provides a liquid level meter for determining the depth of a small-opening oil tank.

In order to solve the technical problem, the invention adopts the following technical scheme that the liquid level meter for determining the depth of the small-opening oil tank comprises a support, an upper hinge body, a lower hinge body and a buoy body, wherein the support is sequentially provided with the upper hinge body, the lower hinge body and the buoy body from top to bottom, one end, close to the upper hinge body, of the support extends outwards to form a hook, the upper hinge body is fixedly arranged on the support, the lower hinge body and the buoy body are both arranged on the support in a vertically sliding mode, two ends of the upper hinge body are respectively hinged to the upper hinge body and one end of the lower buoy body, the other end of the lower buoy body is hinged to the lower hinge body, one surface, close to the lower hinge body, of the buoy body is provided with scales along the radial direction, and the lower buoy body is fixedly provided with a counter matched with the scales.

Preferably, the length of last floating frame and lower floating frame equals, and quantity is three, three go up the floating frame along last articulated body circumference evenly distributed, three lower floating frame along articulated body circumference evenly distributed down, and go up the floating frame and correspond the setting with lower floating frame. The stress is even, and stable in structure is reliable, improves this level gauge's degree of depth measurement accuracy.

Preferably, a first through hole penetrates through the lower hinged body, the support penetrates through the first through hole in a sliding mode, three side lugs are evenly arranged on the circumferential surfaces of the upper hinged body and the lower hinged body, the upper floating frame is connected with the side lugs of the upper hinged body in a rotating mode through a first connecting shaft, the lower floating frame is connected with the side lugs of the lower hinged body in a rotating mode through a second connecting shaft, and the upper floating frame and the lower floating frame are connected in a rotating mode through a third connecting shaft. The upper floating frame and the upper hinge body, the lower floating frame and the lower hinge body, and the upper floating frame and the lower floating frame are rotatably connected through the first connecting shaft, the second connecting shaft and the third connecting shaft respectively, and the rotary connecting structure is simple, easy to assemble, stable and reliable in structure and low in cost.

Preferably, the indicator is rectangular, a rectangular through hole is formed in the middle of the indicator and used for being sleeved on the lower floating frame, and pointers used for indicating scales are arranged on two sides of the indicator. When the buoy body receives the buoyancy of oil and upwards slides along the support, the buoy body drives the lower hinged body to upwards slide, the lower floating frame upwards moves along with the lower hinged body and simultaneously rotates around the second connecting shaft, the indexer moves along with the lower floating frame at the moment, and the pointer is arranged so as to observe the movement of the indexer relative to the scales.

Further, the buoy body is of a disc shape, one surface of the buoy body facing the oil level to be measured is a plane, the other surface of the buoy body far away from the oil level to be measured is an outward convex arc surface, a second through hole is formed in the center of the buoy body, and the support slides to penetrate through the second through hole. The one side of buoy body towards the oil level that awaits measuring is the plane, and its one side of keeping away from the oil level that awaits measuring is the arc surface of evagination, is favorable to the buoyancy that the buoy body received oil to float upwards, and improves the speed of floating, improves this level gauge measuring precision and measurement of efficiency.

Further, the hook is of a three-claw type, and each claw and the indexer are distributed in a staggered mode. The three-jaw hook is used for fixing the liquid level meter in the oil tank opening, and the fixing structure is stable and reliable; each claw and the indexer are distributed in a staggered mode, so that the observation sight of the index indicating scales is prevented from being blocked.

Further, the density of the bracket is greater than that of the oil to be measured, and the density of the buoy body is less than that of the oil to be measured. The bottom of support and the contact of oil tank bottom, the buoy body floats on the oil level, conveniently measures the degree of depth of oil in the oil tank.

Has the advantages that:

(1) the invention relates to a depth liquid level meter for determining a small-opening oil tank, which mainly solves the problems that the internal light is insufficient in the use process of the small-opening oil tank, and the liquid level is difficult to directly observe because gasoline is colorless to light yellow transparent liquid which easily flows;

(2) the installation is simple, a large transformation process is not needed, and the fuel tank can be directly installed in the existing fuel tank for direct use;

(3) data change is provided through buoyancy, data are more visual, and extra electronic equipment driving or electronic element inspection depth is not needed;

(4) the scale display is visual and easy to read, the operation is convenient, the data can be read very conveniently and visually, and no additional illumination is introduced.

Drawings

FIG. 1 is a schematic perspective view of a gauge for determining the depth of a small-bore fuel tank according to the present invention;

FIG. 2 is a schematic front view of the present invention for determining the depth level of a small-port fuel tank;

FIG. 3 is a schematic top view of the present invention for determining the depth level of a small port fuel tank;

FIG. 4 is a schematic bottom view of the present invention for determining the depth level of a small port fuel tank;

FIG. 5 is a schematic perspective view of a float body for determining the depth level of a small-port fuel tank according to the present invention;

FIG. 6 is a schematic perspective view of an indicator for determining the depth level of a small-bore fuel tank according to the present invention;

FIG. 7 is a schematic perspective view of an upper hinged body for defining a small tank depth gauge according to the present invention;

FIG. 8 is a schematic perspective view of a lower hinged body for defining a small-mouth tank depth gauge according to the present invention;

FIG. 9 is a schematic perspective view of the upper float for determining the depth level gauge of a small-bore fuel tank of the present invention;

FIG. 10 is a schematic perspective view of a lower floating mount for determining the depth level of a small-bore fuel tank according to the present invention;

FIG. 11 is a schematic view of the measurement principle of the present invention for determining the depth level gauge of a small-port fuel tank;

in the figure, the device comprises a support 1, a support 1-1, a hook 2, an upper floating frame 3, a lower floating frame 4, an upper hinged body 4-1, a side lug 5, a lower hinged body 5-1, a first through hole 6, a buoy body 6-1, scales 6-2, a second through hole 7, a pointer 7, a rectangular through hole 7-1, a pointer 7-2, a first connecting shaft 8, a first connecting shaft 9, a second connecting shaft 10 and a third connecting shaft.

Detailed Description

Examples

As shown in figures 1-10, the liquid level meter for determining the depth of the small-opening oil tank comprises a bracket 1, an upper floating frame 2 and a lower floating frame 3, the bracket 1 is sequentially provided with an upper hinge body 4, a lower hinge body 5 and a buoy body 6 from top to bottom, one end of the support 1 close to the upper hinge body 4 extends outwards to form a hook 1-1, the upper hinge body 4 is fixedly arranged on the support 1, the lower hinge body 5 and the buoy body 6 are both arranged on the bracket 1 in a vertically sliding manner, two ends of the upper floating frame 2 are respectively hinged with the upper hinge body 4 and one end of the lower floating frame 3, the other end of the lower floating frame 3 is hinged with the lower hinge body 5, a scale 6-1 is radially arranged on one surface, close to the lower hinge body 5, of the floating body 6, and an indexer 7 matched with the scale 6-1 is fixedly arranged on the lower floating frame 3. The index device 7 is rectangular, a rectangular through hole 7-1 is formed in the middle of the index device and used for being sleeved on the lower floating frame 3, and pointers 7-2 used for indicating the scales 6-1 are arranged on two sides of the index device 7. The hook 1-1 is of a three-claw type, and each claw and the finger 7 are distributed in a staggered mode.

For stable in structure, and the convenient degree of depth of calculating oil after measuring, go up floating frame 2 and lower floating frame 3's length equal, and quantity is three, three go up floating frame 2 along last articulated body 4 circumference evenly distributed, three lower floating frame 3 along 5 circumference evenly distributed of articulated body down, and go up floating frame 2 and lower floating frame 3 correspond the setting. The lower hinged body 5 is provided with a first through hole 5-1 in a penetrating manner, the support 1 penetrates through the first through hole 5-1 in a sliding manner, the circumferential surfaces of the upper hinged body 4 and the lower hinged body 5 are uniformly provided with three side lugs 4-1, the upper floating frame 2 is rotatably connected with the side lugs 4-1 of the upper hinged body 4 through a first connecting shaft 8, the lower floating frame 3 is rotatably connected with the side lugs 4-1 of the lower hinged body 5 through a second connecting shaft 9, and the upper floating frame 2 and the lower floating frame 3 are rotatably connected through a third connecting shaft 10.

In order to facilitate the use of the liquid level meter and improve the measurement efficiency of the liquid level meter, the buoy body 6 is in a disc shape, one surface of the buoy body facing the oil surface to be measured is a plane, the other surface of the buoy body away from the oil surface to be measured is an outward convex arc surface, a second through hole 6-2 is formed in the center of the buoy body 6, the support 1 penetrates through the second through hole 6-2 in a sliding mode, the density of the support 1 is larger than that of the oil to be measured, and the density of the buoy body 6 is smaller than that of the oil to be measured.

The working principle is as follows:

when the oil tank is used, the length of the support 1 and the height position of the upper hinge body 4 fixed on the support 1 are selected according to the internal height of the oil tank, the support 1 is placed in the oil tank, the bottom end of the support 1 is contacted with the bottom end of the oil tank, the hook 1-1 is matched with the opening of the oil tank to fix the support 1, at the moment, the height of the upper hinge body 4 is equal to the depth of the oil tank, because the density of the support 1 is greater than that of the oil, and the density of the buoy body 6 is less than that of the oil, the buoy body 6 slides upwards along the support 1 under the buoyancy of the oil, the buoy body 6 drives the lower hinge body 5 to slide upwards, the lower buoy body 3 moves upwards along with the lower hinge body 5, and simultaneously the lower buoy body 3 rotates around the second connecting shaft 9, the upper buoy body 2 rotates around the first connecting shaft 8, the upper buoy body 2 and the lower buoy body 3 rotate around the third connecting shaft 10, and, observing the scale value indicated by the orthographic projection of the pointer 7-2 on the scale 6-1 from the oil tank opening, and reading a reading d at the moment;

as shown in fig. 11, the lengths of the upper floating frame 2 and the lower floating frame 3 are equal and are recorded as a fixed value b, the length from the pointer 7-2 to the second connecting shaft 9 is recorded as a fixed value a, the depth of the oil tank is recorded as a fixed value l, the depth of the oil to be measured is recorded as a value to be evaluated h, and according to the similar triangle theorem, the relationship between the value to be evaluated h and the reading d is:

and calculating to obtain the oil depth value h to be detected.

Claims

1. A depth level gauge for determining the depth of a small-bore fuel tank, characterized by: comprises a bracket (1), an upper floating frame (2) and a lower floating frame (3), wherein the bracket (1) is sequentially provided with an upper hinge body (4), a lower hinge body (5) and a buoy body (6) from top to bottom, one end of the bracket (1) close to the upper hinge body (4) extends outwards to form a hook (1-1), the upper hinge body (4) is fixedly arranged on the bracket (1), the lower hinge body (5) and the buoy body (6) are both arranged on the bracket (1) in a sliding manner, two ends of the upper floating frame (2) are respectively hinged with the upper hinge body (4) and one end of the lower floating frame (3), the other end of the lower floating frame (3) is hinged with the lower hinge body (5), one surface of the buoy body (6) close to the lower hinge body (5) is provided with scales (6-1) along the radial direction, and an indicator (7) matched with the scale (6-1) is fixedly arranged on the lower floating frame (3).

2. The gauge for determining the depth of a small-mouth fuel tank of claim 1, wherein: the length of going up floating frame (2) and lower floating frame (3) equals, and quantity is three, and is three go up floating frame (2) along last articulated body (4) circumference evenly distributed, three down floating frame (3) along articulated body (5) circumference evenly distributed down, and go up floating frame (2) and lower floating frame (3) correspond the setting.

3. The gauge for determining the depth of a small-mouth fuel tank of claim 2, wherein: first through-hole (5-1) runs through on articulated body (5) down, support (1) slides and passes first through-hole (5-1), it evenly is provided with three side ear (4-1) on the global of articulated body (4) and lower articulated body (5) to go up, go up floating frame (2) and rotate with side ear (4-1) of last articulated body (4) through first connecting axle (8) and be connected, lower floating frame (3) rotate with side ear (4-1) of lower articulated body (5) through second connecting axle (9) and are connected, go up floating frame (2) and lower floating frame (3) rotate through third connecting axle (10) and be connected.

4. The gauge for determining the depth of a small-mouth fuel tank according to claim 1 or 2, characterized in that: the index device (7) is rectangular, a rectangular through hole (7-1) is formed in the middle of the index device and used for being sleeved on the lower floating frame (3), and pointers (7-2) used for indicating scales (6-1) are arranged on two sides of the index device (7).

5. The gauge for determining the depth of a small-mouth fuel tank of claim 1, wherein: buoy body (6) are the disc type, and its one side towards the oil level that awaits measuring is the plane, and its one side of keeping away from the oil level that awaits measuring is the arc surface of evagination, second through-hole (6-2) have been seted up at buoy body's (6) center, support (1) slides and passes second through-hole (6-2).

6. The gauge for determining the depth of a small-mouth fuel tank of claim 1, wherein: the hook (1-1) is in a three-claw shape, and each claw and the finger counter (7) are distributed in a staggered mode.

7. The gauge for determining the depth of a small-mouth fuel tank of claim 1, wherein: the density of the bracket (1) is greater than that of the oil to be measured, and the density of the buoy body (6) is less than that of the oil to be measured.