CN204003672U - Oil tank liquid level sensor and protective gear thereof, fuel tank and engineering machinery - Google Patents
Oil tank liquid level sensor and protective gear thereof, fuel tank and engineering machinery Download PDFInfo
- Publication number
- CN204003672U CN204003672U CN201420426753.4U CN201420426753U CN204003672U CN 204003672 U CN204003672 U CN 204003672U CN 201420426753 U CN201420426753 U CN 201420426753U CN 204003672 U CN204003672 U CN 204003672U
- Authority
- CN
- China
- Prior art keywords
- oil tank
- level sensor
- liquid level
- tank liquid
- limiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 239000002828 fuel tank Substances 0.000 title claims abstract description 13
- 230000001681 protective effect Effects 0.000 title claims abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of oil tank liquid level sensor and protective gear, fuel tank and engineering machinery, the protective gear of this oil tank liquid level sensor comprises: the first limited part, be arranged at the upper end of oil tank liquid level sensor, and be connected with top of oil-tank; The second limited part, is arranged at described fuel tank bottom, is connected with the lower end of described oil tank liquid level sensor.Therefore, the utility model can carry out oil tank liquid level sensor spacing, prevents the impact endurance test shock that fuel tank inner fluid flows and external action causes oil tank liquid level sensor.
Description
Technical Field
The utility model relates to an engineering machine tool field, in particular to oil tank level sensor and protection device, oil tank and engineering machine tool thereof.
Background
In the excavator oil tank, oil tank level sensor can measure the liquid level of fluid in the oil tank, in time feeds back when detecting the oil mass not enough, and the suggestion operation personnel in time annotate the fuel to avoid because the fuel is not enough, hinder the work of digging the machine, delay the time limit for a project, cause engineering side and dig owner's economic loss.
However, in the prior art, the liquid level sensor of the oil tank is usually arranged in the oil tank of the excavator in a cantilever manner, so that the connection between the metal and the insulating part is easy to break away and crack due to the impact of the flowing oil in the oil tank and the impact vibration caused by the action of the excavator.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the embodiments of the present invention is to provide an oil tank level sensor and a protection device, which can limit the oil tank level sensor, and prevent the oil in the oil tank from flowing and the external action from impacting and vibrating the oil tank level sensor.
Further, the protection device of the oil tank liquid level sensor comprises: the first limiting part is arranged at the upper end of the oil tank liquid level sensor and is connected with the top of the oil tank; and the second limiting part is arranged at the bottom of the oil tank and is connected with the lower end of the oil tank liquid level sensor.
Optionally, in some embodiments, the second limiting portion includes: and the anti-swing limiting seat is fixedly connected with the bottom of the oil tank and is in interference fit with the lower end of the oil tank liquid level sensor.
Optionally, in some embodiments, the anti-swing limiting seat is integrally formed with the bottom of the oil tank; or the anti-swing limiting seat is detachably connected with the bottom of the oil tank.
Optionally, in some embodiments, the second limiting portion includes: the limiting groove is arranged at the bottom of the oil tank; the anti-swing limiting seat is detachably or fixedly connected to the limiting groove; and the anti-swing limiting seat is in interference fit with the lower end of the oil tank liquid level sensor.
Optionally, in some embodiments, the limiting groove is integrally formed with the bottom of the oil tank; or the limiting groove is detachably connected with the bottom of the oil tank.
Optionally, in some embodiments, the anti-swing limiting seat is provided with an elastic buffer portion for fixing the lower end of the oil tank liquid level sensor; and/or the anti-swing limiting seat is an elastic buffer element.
A second object of the embodiment of the utility model is to provide a be provided with any kind of above-mentioned oil tank level sensor's protection device's oil tank level sensor.
A third object of the embodiment of the present invention is to provide an oil tank with a protection device of any one of the above oil tank level sensors. The second limiting part is positioned at the bottom of the oil tank, and the oil tank liquid level sensor is inserted into the second limiting part.
A fourth object of the present invention is to provide an engineering machine with any one of the above oil tanks.
Compared with the prior art, the embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides an oil tank level sensor's protection device is fixed with oil tank level sensor's upper and lower end through first, the spacing portion of second to prevent that the insulating material part of oil tank level sensor and the not hard up of metal part junction from droing, thereby solved oil tank level sensor cantilever in the oil tank, because its top insulating material part and the not hard up obscission of metal material part that fluid impact caused.
In addition, the protection device of the oil tank liquid level sensor is simple in structure and low in manufacturing cost.
Drawings
The accompanying drawings, which form a part of the embodiments of the present invention, are provided to provide a further understanding of the embodiments of the present invention, and the exemplary embodiments and descriptions thereof are provided to explain the present invention without making any undue restrictions to the present invention. In the drawings:
fig. 1 is a schematic view of an anti-swing limit structure at the bottom of an oil tank provided by an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Description of the reference numerals
1 Plastic oil tank
2 oil tank level sensor
3 anti-swing limiting seat
4 limiting groove
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 embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the case of conflict, the features of the embodiments and examples of the present invention may be combined with each other.
The preferred embodiments of the present invention will be further described with reference to the accompanying drawings:
because oil tank level sensor cantilever is in the oil tank, and the impact vibrations that the impact that fluid flows in the oil tank and engineering machine's action caused can lead to the not hard up trouble that drops of oil tank level sensor top insulating part and metal sensing part, for this, this embodiment provides an oil tank level sensor's protection device.
Referring to fig. 1, it is a structure of a protection device of an oil tank level sensor in this embodiment. In this embodiment, this oil tank level sensor's protection device includes: first spacing portion and the spacing portion of second, wherein, first spacing portion sets up in oil tank level sensor 2's upper end, is connected with the oil tank top. The second limiting part is arranged at the bottom of the oil tank and is connected with the lower end of the oil tank liquid level sensor 2.
In the above embodiment, as shown in fig. 1, the first limiting portion is connected to the top of the oil tank, the first limiting portion fixes the upper end of the oil tank level sensor, and the second limiting portion fixes the lower end of the oil tank level sensor, so as to prevent the connection between the insulating material portion and the metal portion of the oil tank level sensor from loosening and falling off.
In an alternative embodiment, the second position-limiting portion may include: the anti-swing limiting seat is fixedly connected with the bottom of the oil tank and is in interference fit with the lower end of the oil tank liquid level sensor 2. Wherein, the anti-swing limiting seat 3 can be provided with an elastic buffer part for fixing the lower end of the oil tank liquid level sensor 2.
As an optional mode, the anti-swing limiting seat and the bottom of the oil tank are integrally formed. Or the anti-swing limiting seat is detachably connected with the bottom of the oil tank.
For example, the oil tank is a plastic oil tank, the anti-swing limiting seat 3 can be a structure integrally formed with the oil tank body, and the anti-swing limiting seat 3 tightly wraps the lower end of the oil tank liquid level sensor to prevent the connection part of the insulating material part and the metal part of the oil tank liquid level sensor from loosening and falling off.
In another alternative embodiment, referring to fig. 2, the second position-limiting portion includes: a swing-proof limit seat 3 and a limit groove 4. Wherein, spacing recess 4 sets up in the oil tank bottom. The anti-swing limiting seat 3 is detachably or fixedly connected to the limiting groove 4, and the anti-swing limiting seat 3 is in interference fit with the lower end of the oil tank liquid level sensor 2.
In the above embodiment, the limiting groove 4 is optionally integrally formed with the bottom of the oil tank. Or the limiting groove is detachably connected with the bottom of the oil tank.
Wherein, spacing recess 4 is the notch structure of oil tank bottom, for example: taking a plastic oil tank as an example, the limiting groove 4 may form an integral structure with the oil tank body in the manufacturing process of the plastic oil tank, and of course, the notch structure (the limiting groove 4) at the bottom of the plastic oil tank may also be a structure formed by embedding an element in the oil tank body in the rotational molding process of the oil tank. For another example, taking the steel oil tank as an example, the limiting groove at the bottom of the steel oil tank may be a welded structure or a detachably assembled structure.
In the above embodiments, the anti-swing stopper 3 is provided with an elastic buffer portion for fixing the lower end of the oil tank level sensor 2. Or, the anti-swing limiting seat 3 is an elastic buffer element.
As shown in figure 1, the lower end of the fuel tank liquid level sensor extends into the position of the notch and is tightly abutted with the anti-swing limiting seat in the notch. The anti-swing limit seat cover is made of rubber or other similar elements with elastic buffering performance.
Here, the oil tank provided with the oil tank level sensor 2 is exemplified by a plastic oil tank, as shown in fig. 1 and fig. 2, the bottom of the plastic oil tank 1 is provided with a notch structure, the notch structure is integrally formed with an oil tank body in the manufacturing process of the plastic oil tank, the oil tank level sensor 2 extends into the notch, the notch is internally provided with a swing-proof limiting seat 3, and the bottom of the oil tank level sensor 2 is tightly matched with the swing-proof limiting seat 3.
Therefore, the upper end and the lower end of the oil tank liquid level sensor are fixed, so that the swinging phenomenon can not be generated basically, the connection between the metal material and the insulating material part is protected, and the probability of loosening and falling or cracking failure at the joint of the metal material and the insulating material part is greatly reduced.
In conclusion, the protective device of the oil tank liquid level sensor in each embodiment solves the problem that the top insulating material part and the metal material part of the cantilever of the oil tank liquid level sensor are loosened and fall off due to oil impact in an oil tank, and is simple in structure and low in manufacturing cost.
Based on above-mentioned each embodiment, the utility model discloses still provide an oil tank level sensor embodiment, this oil tank level sensor disposes above-mentioned arbitrary embodiment oil tank level sensor's protection device.
And simultaneously, the utility model discloses still provide an oil tank embodiment, this oil tank is provided with any one of above-mentioned embodiment oil tank level sensor's protection device, wherein, the spacing position of second is in the oil tank bottom, oil tank level sensor 2 peg graft in the spacing portion of second.
Wherein, the oil tank has the limit structure who prevents oil tank level sensor wobbling, prevents that pendulum limit structure is located the oil tank bottom, prolongs oil tank level sensor to prevent that pendulum limit structure is inside and by preventing that pendulum limit structure tightly wraps up.
The embodiment of the utility model provides an engineering machine tool is still provided, including but not limited to the excavator, this engineering machine tool is equipped with any kind of above-mentioned oil tank.
Since any one of the oil tanks has the above technical effects, the engineering machine provided with the oil tank should also have corresponding technical effects, and the specific implementation process thereof is similar to that of the above embodiment, and will not be described again.
It should be noted that the protection device for the fuel tank liquid level sensor in each of the above embodiments may be used not only for an excavator but also for other construction machines or agricultural machines.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A protection device of a fuel tank liquid level sensor is characterized by comprising:
the first limiting part is arranged at the upper end of the oil tank liquid level sensor (2) and is connected with the top of the oil tank;
and the second limiting part is arranged at the bottom of the oil tank and is connected with the lower end of the oil tank liquid level sensor (2).
2. The protection device of the oil tank liquid level sensor according to claim 1, wherein the second limiting portion comprises:
and the anti-swing limiting seat is fixedly connected with the bottom of the oil tank, and is in interference fit with the lower end of the oil tank liquid level sensor (2).
3. A protection device for a tank level sensor according to claim 2, wherein:
the anti-swing limiting seat and the bottom of the oil tank are integrally formed; or,
the anti-swing limiting seat is detachably connected with the bottom of the oil tank.
4. The protection device of the oil tank liquid level sensor according to claim 1, wherein the second limiting portion comprises:
the limiting groove (4) is arranged at the bottom of the oil tank;
the anti-swing limiting seat (3) is detachably or fixedly connected to the limiting groove (4);
the anti-swing limiting seat (3) is in interference fit with the lower end of the oil tank liquid level sensor (2).
5. A protection device for a fuel tank level sensor according to claim 4, wherein:
the limiting groove (4) and the bottom of the oil tank are integrally formed; or,
the limiting groove is detachably connected with the bottom of the oil tank.
6. A protection device for a tank level sensor according to any one of claims 2 to 5, wherein:
the anti-swing limiting seat (3) is provided with an elastic buffer part for fixing the lower end of the oil tank liquid level sensor (2); and/or the presence of a gas in the gas,
the anti-swing limiting seat (3) is an elastic buffer element.
7. A fuel tank level sensor, characterized by being provided with a protective device of the fuel tank level sensor according to any one of claims 1 to 6.
8. A fuel tank characterized in that a protection device of a fuel tank level sensor according to any one of claims 1 to 6 is provided; the second limiting part is positioned at the bottom of the oil tank, and the oil tank liquid level sensor (2) is inserted into the second limiting part.
9. A working machine characterized by being provided with the fuel tank according to claim 8.
10. A working machine according to claim 9, characterized in that the working machine is an excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426753.4U CN204003672U (en) | 2014-07-31 | 2014-07-31 | Oil tank liquid level sensor and protective gear thereof, fuel tank and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426753.4U CN204003672U (en) | 2014-07-31 | 2014-07-31 | Oil tank liquid level sensor and protective gear thereof, fuel tank and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003672U true CN204003672U (en) | 2014-12-10 |
Family
ID=52043679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420426753.4U Expired - Fee Related CN204003672U (en) | 2014-07-31 | 2014-07-31 | Oil tank liquid level sensor and protective gear thereof, fuel tank and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203982A (en) * | 2018-10-09 | 2019-01-15 | 合肥邦立电子股份有限公司 | A kind of liquid level sensor with buffer pallet |
| CN109969365A (en) * | 2017-12-27 | 2019-07-05 | 中国科学院沈阳自动化研究所 | A kind of deep-sea pressure-resistant cabin with detection and liquid level detection |
-
2014
- 2014-07-31 CN CN201420426753.4U patent/CN204003672U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969365A (en) * | 2017-12-27 | 2019-07-05 | 中国科学院沈阳自动化研究所 | A kind of deep-sea pressure-resistant cabin with detection and liquid level detection |
| CN109203982A (en) * | 2018-10-09 | 2019-01-15 | 合肥邦立电子股份有限公司 | A kind of liquid level sensor with buffer pallet |
| CN109203982B (en) * | 2018-10-09 | 2023-09-08 | 合肥邦立电子股份有限公司 | Liquid level sensor with buffer tray |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |