阅读说明：本技术 一种油位传感器及包括其的油箱 (Oil level sensor and oil tank comprising same ) 是由 秦健平 赖玉明 蒲磊 黄锋 李聪 卓能伟 李青 于 2021-08-16 设计创作，主要内容包括：本发明涉及油位测量设备技术领域,公开了一种油位传感器及包括其的油箱,油位传感器包括传感器本体、定位销以及密封垫,传感器本体的顶部具有卡扣部,传感器本体的底部具有第一连接孔,定位销的一端用于穿过油箱的底部,并插入第一连接孔内,密封垫套设于定位销上,且密封垫位于油箱外。基于上述结构,传感器本体的顶部通过卡扣部固定于油箱的安装座上,定位销自油箱的底部穿入油箱内,并插入第一连接孔内以将传感器本体的底部固定,密封垫则起到了压紧油箱防止渗油的作用,也即,传感器本体的顶部和底部均被固定,受到柴油晃动冲击时不会摆动,油位测量的准确度较高,并可防止传感器本体顶部的密封以及底部密封垫的密封失效,从而防止渗油现象。(The invention relates to the technical field of oil level measuring equipment, and discloses an oil level sensor and an oil tank comprising the same. Based on above-mentioned structure, the top of sensor body is fixed in on the mount pad of oil tank through buckle portion, the locating pin penetrates in the oil tank from the bottom of oil tank, and insert in the first connecting hole in order to fix the bottom of sensor body, sealed the pad has then played the effect that compresses tightly the oil tank and prevent the oil seepage, that is, the top and the bottom of sensor body are all fixed, receive diesel oil and rock and can not swing when assaulting, the degree of accuracy of oil level measurement is higher, and can prevent the sealed of sensor body top and the sealed inefficacy of bottom seal pad, thereby prevent the oil seepage phenomenon.)

1. A fuel level sender, comprising:

the sensor comprises a sensor body, a first connecting hole and a second connecting hole, wherein the top of the sensor body is provided with a buckling part, and the bottom of the sensor body is provided with the first connecting hole;

one end of the positioning pin is used for penetrating into the bottom of the oil tank and is inserted into the first connecting hole;

and the sealing gasket is sleeved on the locating pin and is positioned outside the oil tank.

2. The fuel level sensor of claim 1, wherein:

the first connecting hole is provided with an internal thread, and the positioning pin is provided with an external thread matched with the internal thread.

3. The fuel level sensor of claim 1, wherein:

the sensor body comprises a sensing pipe, an oil suction pipe, an oil return pipe and a floater slidably sleeved on the sensing pipe, the oil suction pipe and the oil return pipe are arranged side by side, and the bottom of the sensing pipe is provided with a first connecting hole.

4. The fuel level sensor of claim 3, wherein:

the diameter of the induction pipe is 10mm-14mm, and the diameter of the first connecting hole is 7mm-9 mm.

5. The fuel level sensor of claim 3, wherein:

the bottom of the induction pipe is provided with a guide part, the guide part is arranged on the outer side of the edge of the first connecting hole, the guide part is provided with a guide hole, and the positioning pin penetrates through the guide hole and is inserted into the first connecting hole.

6. The fuel level sensor of claim 5, wherein:

the diameter of the guide hole gradually decreases from one end of the guide portion, which is far away from the first connection hole, to one end of the guide portion, which is connected with the first connection hole.

7. The fuel level sensor of claim 6, wherein:

the pore wall of guiding hole is the arc.

8. The fuel level sensor of claim 3, wherein:

the sensor body further comprises a fixing plate, and the bottom of the sensing tube, the bottom of the oil suction tube and the bottom of the oil return tube are all mounted on the fixing plate.

9. The fuel level sensor of claim 3, wherein:

the bottom of the oil suction pipe is provided with a filter screen.

10. A fuel tank comprising a fuel tank body and a fuel level sensor according to any one of claims 1 to 9, wherein the fuel tank body has a mounting seat at a top portion thereof, the fuel tank body has a second connecting hole at a bottom portion thereof, the second connecting hole being disposed opposite to the mounting seat, the sensor body penetrates into the fuel tank body through the mounting seat, the fastening portion is fastened to the mounting seat, and the positioning pin penetrates through the second connecting hole and the first connecting hole.

Technical Field

The invention relates to the technical field of oil level measuring equipment, in particular to an oil level sensor. The invention also relates to a tank comprising a fuel level sensor.

Background

At present, the oil tanks of most diesel trucks in China adopt sliding block type oil level sensors to collect oil level signals inside the oil tanks and transmit the oil level signals to an instrument, the sensors are mounted on a mounting seat of the oil tanks through buckles, and sealing rings of the sensors compress the mounting seat of the oil tanks and seal the mounting seat.

Because being connected between current oil level sensor and the oil tank only through buckle and mount pad block, also, only a fixed point, oil level sensor is rocking when assaulting receiving diesel oil, and its bottom swing is big, leads to oil level measuring accuracy to hang down to, cause sealed inefficacy easily, appear the oil impregnate phenomenon even.

Disclosure of Invention

It is an object of the present invention to provide a fuel level sensor.

In order to achieve the above object, the present invention provides a fuel level sensor including:

the sensor comprises a sensor body, a first connecting hole and a second connecting hole, wherein the top of the sensor body is provided with a buckling part, and the bottom of the sensor body is provided with the first connecting hole;

one end of the positioning pin is used for penetrating through the bottom of the oil tank and inserting into the first connecting hole;

and the sealing gasket is sleeved on the locating pin and is positioned outside the oil tank.

In some embodiments of the present application, the first connection hole has an internal thread, and the alignment pin has an external thread matching the internal thread.

In some embodiments of the present application, the sensor body includes a sensing tube, an oil suction tube, an oil return tube, and a float slidably sleeved on the sensing tube, the oil suction tube, and the oil return tube are arranged side by side, and the bottom of the sensing tube has the first connection hole.

In some embodiments of the present application, the diameter of the sensing tube is 10mm to 14mm, and the diameter of the first connection hole is 7mm to 9 mm.

In some embodiments of the present application, a guide portion is disposed at a bottom of the induction pipe, the guide portion is disposed outside an edge of the first connection hole, the guide portion has a guide hole, and the positioning pin passes through the guide hole and is inserted into the first connection hole.

In some embodiments of the present application, the diameter of the guide hole gradually decreases from an end of the guide portion away from the first connection hole to an end thereof connected to the first connection hole.

In some embodiments of the present application, the wall of the pilot hole is arcuate.

In some embodiments of the present application, the sensor body further includes a fixing plate, and the bottom of the sensing tube, the bottom of the oil suction tube, and the bottom of the oil return tube are all mounted on the fixing plate.

In some embodiments of the present application, the bottom of the oil suction pipe is provided with a filter screen.

Another object of the present invention is to provide an oil tank, which includes an oil tank body and the above oil level sensor, wherein the top of the oil tank body is provided with an installation seat, the bottom of the oil tank body is provided with a second connection hole opposite to the installation seat, the sensor body penetrates into the oil tank body through the installation seat, the fastening portion is fastened and connected with the installation seat, and the positioning pin penetrates through the second connection hole and penetrates into the first connection hole.

The invention provides an oil level sensor, compared with the prior art, the oil level sensor has the beneficial effects that:

the invention provides an oil level sensor which comprises a sensor body, a positioning pin and a sealing gasket, wherein the top of the sensor body is provided with a buckling part, the bottom of the sensor body is provided with a first connecting hole, one end of the positioning pin is used for penetrating through the bottom of an oil tank and being inserted into the first connecting hole, the sealing gasket is sleeved on the positioning pin, and the sealing gasket is positioned outside the oil tank. Based on above-mentioned structure, the top of sensor body is fixed in on the mount pad of oil tank through buckle portion, the locating pin penetrates in the oil tank from the bottom of oil tank, and insert in the first connecting hole in order to fix the bottom of sensor body, sealed pad has then played the effect that compresses tightly the oil tank and prevent the oil leakage, that is, the top and the bottom of sensor body are all fixed, receive diesel oil and rock and can not swing when assaulting, the degree of accuracy of oil level measurement is higher, and can prevent the sealed of sensor body top and the sealed inefficacy of bottom seal pad, thereby prevent the oil leakage oil phenomenon.

In addition, the invention provides the oil tank, and the oil level sensor is stable and is not easy to shake, so that the oil level of the oil tank is displayed accurately, the sealing performance is good, and oil leakage and oil seepage are not easy to occur.

Drawings

Fig. 1 is a schematic view of the overall construction of a fuel level sensor according to an embodiment of the present invention;

FIG. 2 is a perspective view of a fuel tank according to an embodiment of the present invention;

fig. 3 is a partial schematic view of the area a in fig. 2.

In the figure: 1. a sensor body; 11. a fastening part; 12. a first connection hole; 13. an induction tube; 14. an oil suction pipe; 141. a filter screen; 15. an oil return pipe; 16. a float; 17. a fixing plate; 2. positioning pins; 3. a gasket; 4. a guide portion; 41. a guide hole; 5. an oil tank body; 51. a mounting seat; 52. and a second connection hole.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 and 2, an embodiment of the present invention provides a fuel level sensor, which includes a sensor body 1, a positioning pin 2, and a gasket 3, wherein the top of the sensor body 1 has a buckling portion 11, the bottom of the sensor body 1 has a first connection hole 12, one end of the positioning pin 2 is used to pass through the bottom of a fuel tank and be inserted into the first connection hole 12, the gasket 3 is sleeved on the positioning pin 2, and the gasket 3 is located outside the fuel tank.

Based on above-mentioned structure, the top of sensor body 1 is fixed in on the mount pad 51 of oil tank through buckle portion 11, locating pin 2 penetrates in the oil tank from the bottom of oil tank, and insert in first connecting hole 12 in order to fix the bottom of sensor body 1, sealed pad 3 has then played the effect that compresses tightly the oil tank and prevent the oil leakage, that is, the top and the bottom of sensor body 1 are all fixed, receive diesel oil and rock and can not swing when assaulting, the degree of accuracy of oil level measurement is higher, and can prevent the sealed of 1 top of sensor body and the sealed inefficacy of the sealed pad 3 in bottom, thereby prevent oil leakage oil phenomenon.

Alternatively, as shown in fig. 3, in the present embodiment, the first connection hole 12 has an internal thread, and the positioning pin 2 has an external thread matching the internal thread. So, locating pin 2 inserts back in the first connecting hole 12, rotatory locating pin 2 can further fasten the bottom of sensor body 1, and, the locating pin 2 of screwing can make it exert decurrent pulling force to sensor body 1, thereby make buckle portion 11 compress tightly mount pad 51, further optimize the sealed effect between sensor body 1 and the oil tank, locating pin 2 wears to locate in the oil tank and compares with the mode that sensor body 1 is connected and the direct diapire setting form that sets up connecting portion in the oil tank, locating pin 2 is not only more nimble with being connected of sensor body 1, and sealed effect is better.

Optionally, as shown in fig. 1, in the present embodiment, the sensor body 1 includes a sensing tube 13, an oil suction tube 14, an oil return tube 15, and a float 16 slidably sleeved on the sensing tube 13, the oil suction tube 14, and the oil return tube 15 are arranged in parallel, and the bottom of the sensing tube 13 has a first connection hole 12.

Alternatively, as shown in fig. 3, in the present embodiment, the diameter of the sensing tube 13 is 10mm-14mm, and the diameter of the first connection hole 12 is 7mm-9 mm. Wherein, 10mm, 12mm and 14mm are the preferred values of the diameter of the induction pipe 13; 7mm, 8mm, 9mm are preferred values for the diameter of the first connection hole 12. Therefore, the size of the first connecting hole 12 is matched with that of the induction tube 13, and the induction tube 13 cannot be broken or damaged due to the screwing of the positioning pin 2.

In view of the difficulty in aligning and connecting the positioning pin 2 and the sensor body 1 when both are inserted into the fuel tank, alternatively, as shown in fig. 1 and 3, in the present embodiment, the bottom of the sensing tube 13 is provided with the guide portion 4, the guide portion 4 is provided outside the edge of the first connection hole 12, the guide portion 4 has the guide hole 41, and the positioning pin 2 passes through the guide hole 41 and is inserted into the first connection hole 12. Thus, the guide portion 4 plays a role of positioning guide, and the positioning pin 2 can be inserted into the first connection hole 12 along the guide portion 4.

Alternatively, as shown in fig. 3, in the present embodiment, the diameter of the guide hole 41 gradually decreases from the end of the guide portion 4 away from the first connection hole 12 to the end thereof connecting the first connection hole 12. Thus, the end of the guide hole 41 close to the positioning pin 2 has a larger diameter, which facilitates the insertion of the positioning pin 2, thereby making it easier for the positioning pin 2 to align with the first connection hole 12.

Alternatively, as shown in fig. 3, in the present embodiment, the hole wall of the guide hole 41 has an arc shape. Based on this, the slide of the positioning pin 2 along the guide hole 41 is smoother.

Optionally, as shown in fig. 1, in the present embodiment, the sensor body 1 further includes a fixing plate 17, and the bottom of the sensing tube 13, the bottom of the oil suction tube 14, and the bottom of the oil return tube 15 are all mounted on the fixing plate 17. Thus, the induction pipe 13, the oil suction pipe 14 and the oil return pipe 15 are stably mounted on the fixing plate 17, so that the three are not easy to swing and have compact structures.

Alternatively, as shown in fig. 1, in the present embodiment, the bottom of the oil suction pipe 14 is provided with a filter screen 141. In this manner, the filter screen 141 may filter the oil.

As shown in fig. 2, an embodiment of the present invention further provides a fuel tank, which includes a fuel tank body 5 and the fuel level sensor, wherein the top of the fuel tank body 5 has an installation seat 51, the bottom of the fuel tank body 5 has a second connection hole 52 opposite to the installation seat 51, the sensor body 1 penetrates into the fuel tank body 5 through the installation seat 51, the buckling portion 11 is connected with the installation seat 51 in a buckling manner, and the positioning pin 2 penetrates through the second connection hole 52 and penetrates into the first connection hole 12. Because the oil level sensor is installed stably and is not easy to shake, the oil level of the oil tank is displayed accurately, the sealing performance is good, and oil leakage and oil seepage are not easy to occur.

The oil level sensor mounting method provided by the embodiment of the invention comprises the following steps: penetrate sensor body 1 in the oil tank, with buckle portion 11 lock on mount pad 51, after passing sealed pad 3, second connecting hole 52 with locating pin 2, penetrate first connecting hole 12 in, the locating pin 2 of screwing accomplishes the installation.

To sum up, the embodiment of the present invention provides an oil level sensor, which mainly comprises a sensor body 1, a positioning pin 2 and a gasket 3, wherein the top of the sensor body 1 is provided with a buckling part 11, the bottom of the sensor body 1 is provided with a first connection hole 12, one end of the positioning pin 2 is used for passing through the bottom of an oil tank and being inserted into the first connection hole 12, the gasket 3 is sleeved on the positioning pin 2, and the gasket 3 is located outside the oil tank. Compared with the prior art, the oil level sensor has the advantages of high accuracy, no swing and the like.

Compared with the prior art, the oil tank has the advantages of accurate oil level display, good sealing performance, difficulty in oil leakage and the like.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.