Waterproof oil pumping tool

Abstract

The utility model discloses a waterproof oil pumping tool which comprises a tool nut and a tool inner core which is located in an inner ring of the tool nut and can rotate, a plurality of sealing rings which are matched to keep air tightness are arranged between the tool inner core and the tool nut, and a threaded hole which is in threaded connection with the tool nut is formed in a container cover. An oil outlet pipe, a hollow pipe and an air inlet pipe which are communicated with the container are arranged on the tool inner core; a floating ball type liquid level sensor is arranged outside the lower end of the oil outlet pipe; the gas inlet pipe is used for introducing inert gas; the bottom end of the hollow pipe is close to the inner bottom face of the container and connected with a filtering basket for protecting the floating ball type liquid level sensor, a liquid inlet hole is formed in the position, located in the filtering basket, of the bottom end of the hollow pipe, and the lower end of the oil outlet pipe is close to the inner bottom face of the filtering basket. The device has the advantages that the air inlet pipe feeds nitrogen into the container, air pressure in the container is balanced, it is guaranteed that the container cannot be flattened by the air pressure, and the tool nut is detachably arranged on the container cover in a threaded connection mode and is easy to disassemble and overhaul.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pumping equipment, in particular to a waterproof oil pumping tool. Background Art

[0002] The existing oil pumping equipment only has a connection port on the oil drum, the pipe of the oil pump is inserted into the oil drum, and the oil pump is connected to an external power source to electrically or manually pump out the oil in the oil drum. However, this is only suitable for use when the oil quality requirement is not high. For oil quality requirements, it is necessary to pump the oil in a sealed state to ensure air tightness. However, in this state, as the oil in the oil drum is continuously pumped out, the oil drum will be flattened, the oil drum may be deformed, or even damaged. In severe cases, the oil pump may be short-circuited and damaged. Moreover, the sealed connection between the oil pumping equipment and the oil drum generally requires a better sealing structure for the oil pumping equipment to be sealed with the oil drum, which cannot be disassembled and is inconvenient for maintenance. Utility Model Content

[0003] The utility model solves the above technical problems that the oil barrel is flattened due to excessive air pressure, resulting in damage to the oil barrel and the traditional sealing connection is inconvenient to disassemble and repair.

[0004] In order to solve the above technical problems, the utility model provides a technical solution as follows: a waterproof oil pumping tool, comprising a container and a container cover located at the container opening, and also comprising a tool nut, a tool inner core located in the inner ring of the tool nut and capable of rotating, a plurality of sealing rings for cooperating to maintain air tightness are installed between the tool inner core and the tool nut, and a threaded hole threadedly connected to the tool nut is opened on the container cover;

[0005] The inner core of the tooling is provided with an oil outlet pipe, a hollow pipe and an air inlet pipe connected to the container, and a floating ball type liquid level sensor capable of floating up and down is provided on the lower end of the oil outlet pipe;

[0006] The air inlet pipe is used to connect the inert gas, an external threaded joint is provided at the upper end of the air inlet pipe, and a valve is provided on the air inlet pipe;

[0007] The bottom end of the hollow tube is close to the bottom surface of the container, the bottom end of the hollow tube is connected to a filter basket that protects a float type liquid level sensor, the bottom end of the hollow tube is provided with a liquid inlet hole in the filter basket, and the lower end of the oil outlet pipe is close to the bottom surface of the filter basket.

[0008] Furthermore, a wire electrically connected to the float type liquid level sensor is provided in the hollow tube, and the other end of the wire passes through the hollow tube to be connected to an external power source.

[0009] Furthermore, the external threaded joint is also connected to a dehumidification air filter.

[0010] Furthermore, a plurality of guide bars are provided at the upper end of the filter basket, and the free ends of the guide bars are inclined toward the center of the filter basket.

[0011] Furthermore, a threaded joint is provided at the upper end of the hollow tube.

[0012] Furthermore, container mouth handles are provided on both sides or one side of the tooling nut, and a lifting handle is provided on the upper end of the hollow tube.

[0013] The advantages of the utility model compared with the prior art are:

[0014] 1. The utility model product is provided with an air inlet pipe on the container cover for replenishing inert gas into the container, or introducing clean air without water vapor to ensure the air pressure balance in the oil barrel and prevent the oil barrel from being flattened;

[0015] 2. The oil outlet pipe, hollow pipe and air inlet pipe are all threadedly connected to the container cover through tooling nuts. The threaded connection makes them detachable, easy to disassemble and repair, and also convenient to assemble.

[0016] 3. A lifting handle for easy lifting and a container mouth handle for easy gripping and installation on the container cover are also provided, making the use more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the main structure of a waterproof oil pumping tool.

[0018] Figure 2 The utility model is a three-dimensional structural schematic diagram of a waterproof oil pumping tool without a container.

[0019] Figure 3 The utility model is a schematic diagram of a top view structure of a waterproof oil pumping tool without a container.

[0020] Figure 4 It is a three-dimensional structural schematic diagram from another perspective of the utility model of a waterproof oil pumping tool without a container.

[0021] As shown in the figure: 1. Container, 2. Container cover, 3. Tool nut, 4. Tool inner core, 5. Threaded hole, 6. Oil outlet pipe, 7. Hollow pipe, 8. Air inlet pipe, 9. Float type liquid level sensor, 10. External threaded connector, 11. Valve, 12. Threaded connector, 13. Filter basket, 14. Liquid inlet hole, 15. Dehumidification air filter, 16. Guide strip, 17. Container mouth handle, 18. Lifting handle. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention, unless otherwise specified, "multiple" means two or more.

[0024] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0025] The technical solution of the present application will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0026] In combination with all the drawings, a waterproof oil pumping tool comprises a container 1 and a container cover 2 located at the opening of the container 1, wherein the container 1 is an oil drum, and further comprises a tooling nut 3, a tooling inner core 4 located in the inner ring of the tooling nut 3 and capable of rotating, wherein the tooling inner core 4 and the tooling nut 3 are equipped with a plurality of sealing rings to ensure sealing and prevent unfiltered air from entering the container 1 through the connection gap thereof, and a threaded hole 5 threadedly connected to the tooling nut 3 is provided on the container cover 2, so as to facilitate the detachable connection between the tooling nut 3 and the container cover 2;

[0027] The tooling inner core 4 is provided with an oil outlet pipe 6, a hollow pipe 7, and an air inlet pipe 8 connected to the container. The lower end of the air inlet pipe 8 is located in the container 1, and the other pipes are located close to the bottom surface of the container 1. A floating ball type liquid level sensor 9 that can float up and down is provided outside the lower end of the oil outlet pipe 6;

[0028] The air inlet pipe 8 is used to connect inert gas, such as nitrogen. An external threaded joint 10 is provided at the upper end of the air inlet pipe 8. A pipe connected to nitrogen has a threaded joint threadedly connected to the external threaded joint 10. A valve 11 is provided on the air inlet pipe 8 to control whether the air inlet pipe 8 is open or closed.

[0029] The bottom end of the hollow tube 7 is close to the bottom surface of the container 1, and the upper end of the hollow tube 7 is provided with a threaded joint 12. The bottom end of the hollow tube 7 is connected to a filter basket 13 for protecting the float type liquid level sensor 9. The bottom end of the hollow tube 7 and the filter basket 13 are provided with a liquid inlet hole 14, and the lower end of the oil outlet pipe 6 is close to the bottom surface of the filter basket 13; a wire electrically connected to the float type liquid level sensor 9 is provided in the hollow tube 7, and the other end of the wire passes through the hollow tube 7 and is externally connected to an electrical device for increasing the power supply of the float type liquid level sensor 9.

[0030] As an embodiment of the utility model product, in addition to the above structure, the external threaded joint 10 is also connected to a dehumidification air filter 15. Without the inert gas being connected, clean air without moisture and impurities that does not contaminate the oil can also enter through the dehumidification air filter 15.

[0031] As an embodiment of the product of the utility model, in addition to the above structure, a plurality of guide bars 16 are fixed to the upper end of the filter basket 13, and the free ends of the guide bars 16 are inclined toward the center of the filter basket 13, so that the upper end of the filter basket 13 is a pointed end with a small opening, which can be easily and conveniently inserted into the threaded hole 5 on the container cover 2, pass therethrough and then detach from the container 1.

[0032] As an embodiment of the product of the utility model, in addition to the above structure, container mouth handles 17 are installed on both sides or one side of the tooling nut 3, and a lifting handle 18 is installed on the upper end of the hollow tube 7.

[0033] When the utility model is implemented, the oil outlet pipe is connected to an oil pump, and the oil pump extracts the oil in the container. When the oil is extracted, the air intake pipe sends nitrogen into the container to balance the air pressure in the container to ensure that the container will not be flattened by the air pressure. Of course, the air intake pipe can also be directly connected to the dehumidification air filter to enter clean air without moisture and impurities that does not pollute the oil to balance the air pressure in the container; the oil outlet pipe, the hollow pipe, and the air intake pipe are all connected to the container cover by sealing, and the tooling nut is connected by threading so that it can be detached from the container cover, which is easy to disassemble and repair, and it is also convenient to assemble the product of the utility model together;

[0034] In order to facilitate the safe removal of the hollow pipe and the oil outlet pipe from the container, a filter basket is provided. On the one hand, it has the function of filtering and protecting the float type liquid level sensor. On the other hand, the guide strip at the head end is pointed, which is easy to insert into the threaded hole on the container cover, pass through it and then leave the container.

[0035] The utility model and its implementation modes are described above, and such description is not restrictive. What is shown in the drawings is only one of the implementation modes of the utility model, and the actual structure is not limited thereto.

[0036] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, it is obvious that the drawings described above are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0037] In summary, if ordinary technicians in this field are inspired by it and design structural methods and implementation examples similar to the technical solution without creatively designing without departing from the inventive purpose of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A waterproof oil pumping tool, comprising a container and a container cover located at the container opening, characterized in that: It also includes a tooling nut, a tooling inner core located in the inner ring of the tooling nut and capable of rotating, a plurality of sealing rings are arranged between the tooling inner core and the tooling nut to cooperate and maintain air tightness, and a threaded hole is provided on the container cover to be threadedly connected to the tooling nut; The inner core of the tooling is provided with an oil outlet pipe, a hollow pipe and an air inlet pipe connected to the container, and a floating ball type liquid level sensor capable of floating up and down is provided on the lower end of the oil outlet pipe; The air inlet pipe is used to connect the inert gas, an external threaded joint is provided at the upper end of the air inlet pipe, and a valve is provided on the air inlet pipe; The bottom end of the hollow tube is close to the bottom surface of the container, the bottom end of the hollow tube is connected to a filter basket that protects a float type liquid level sensor, the bottom end of the hollow tube is provided with a liquid inlet hole in the filter basket, and the lower end of the oil outlet pipe is close to the bottom surface of the filter basket.

2. A waterproof oil pumping tool according to claim 1, characterized in that: A wire electrically connected to the float type liquid level sensor is arranged in the hollow tube, and the other end of the wire passes through the hollow tube to be connected to an external power source.

3. The waterproof oil pumping tool according to claim 1, characterized in that: The external threaded joint is also connected with a dehumidification air filter.

4. A waterproof oil pumping tool according to any one of claims 1 to 3, characterized in that: A plurality of guide bars are also provided at the upper end of the filter basket, and the free ends of the guide bars are inclined toward the center of the filter basket.

5. The waterproof oil pumping tool according to claim 4, characterized in that: Container mouth handles are arranged on both sides or one side of the tooling nut, and a hanging handle is arranged on the upper end of the hollow tube.

6. The waterproof oil pumping tool according to claim 1, characterized in that: A threaded joint is provided at the upper end of the hollow tube.

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