Waste engine oil recovery device

Abstract

The utility model belongs to the technical field of engine oil recovery, and particularly relates to a waste engine oil recovery device, which comprises a connecting rod, a plurality of connecting units and a plurality of connecting rods, the filtering assembly is located at the lower end of the connecting rod and comprises an inner pipe fitting, an outer pipe fitting and a tension spring; internal threads are formed in the inner wall of the inner pipe fitting, two symmetrical guide plates are arranged on the outer wall of the inner pipe fitting, and a cleaning plate is fixed to the bottom of the inner pipe fitting through bolts; two guide grooves corresponding to the guide plates in position are formed in the top of the outer pipe fitting, and a filter plate is fixed to the bottom of the outer pipe fitting through bolts; the bottom of the tension spring is fixed to the bottom of the inner pipe fitting, and the top of the tension spring is fixed to the top of the outer pipe fitting; one end of the oil conveying pipe is connected with the filtering assembly, and the other end of the oil conveying pipe extends out of the connecting rod and is connected with an oil storage tank; and a negative pressure pump is arranged on the oil storage tank. The oil absorption hole is blocked by impurities and is difficult to clean and dredge quickly, so that the waste engine oil recovery efficiency is influenced, and the oil absorption hole has a better market application prospect.

Description

Technical Field

[0001] The utility model belongs to the technical field of engine oil recovery, and in particular relates to a waste engine oil recovery device. Background Art

[0002] Motor oil, also known as engine lubricant, can lubricate and reduce friction, assist in cooling, seal and prevent leakage, prevent rust and corrosion, and reduce shock and buffer. It is known as the "blood" of the car. Motor oil is composed of two parts: base oil and additives. Base oil is the main component of lubricating oil and determines the basic properties of lubricating oil. Additives can make up for and improve the deficiencies in the performance of base oil and give it some new properties. They are an important part of lubricating oil.

[0003] Waste engine oil refers to engine oil that has deteriorated or has been mixed with impurities such as water, dust, other miscellaneous oils, and metal powders produced by wear of machine parts during use, causing the color to turn black and the viscosity to increase. The patent with application number CN201920027784.5 discloses a waste engine oil recovery device, including an oil suction pipe, at least two oil suction nozzles are provided at the end of the oil suction pipe, the oil suction pipe is connected to the filter box through a hose, the filter box is connected to the oil storage tank, and the oil storage tank is connected to the vacuum pump through a wire hose. The waste engine oil recovery device of the utility model can effectively realize the comprehensive recovery of waste engine oil and can realize the preliminary treatment of waste engine oil. However, the utility model relies on the oil suction hole opened on the front oil suction nozzle to recover waste engine oil. When there are many impurities in the waste engine oil, there is a risk that the oil suction hole is blocked by impurities, and the oil suction hole is difficult to clean and dredge quickly, which affects the efficiency of waste engine oil recovery.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] The utility model aims to provide a waste oil recovery device to solve the problem that the oil suction hole is blocked by impurities, which makes it difficult to quickly clean and dredge it, thus affecting the waste oil recovery efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A waste oil recovery device, comprising:

[0008] A connecting rod is formed by connecting a plurality of connecting units to each other; a handle is provided at the upper end of the connecting rod;

[0009] The filtering component is located at the lower end of the connecting rod and includes an inner pipe fitting, an outer pipe fitting, and a tension spring. The inner wall of the inner pipe fitting is provided with internal threads, and there are two symmetrical guide plates on its outer wall and a flange ring one at the bottom. A cleaning plate is fixed to the bottom of the flange ring one by bolts, and a plurality of vertical cleaning strips are provided at the bottom of the cleaning plate. The outer pipe fitting is slidably fitted with the inner pipe fitting. There are two guide grooves corresponding to the positions of the guide plates at the top, and a flange ring two at the bottom. A filter plate is fixed to the bottom of the flange ring two by bolts, and a plurality of oil suction holes corresponding to the positions of the cleaning strips are provided on the filter plate. The tension spring is sleeved on the inner pipe fitting, and its bottom is fixed to the flange ring one and its top is fixedly connected to the top of the outer pipe fitting.

[0010] The oil delivery pipe is located inside the connecting rod. One end of it is connected to the filtering component, and the other end extends out of the connecting rod and is connected to an oil storage tank. A negative pressure pump is provided on the oil storage tank.

[0011] Preferably, the connecting unit includes a rod body, a limiting pipe, a threaded pipe, and a hinged plate. The rod body is a square pipe, and there are two symmetrical hinge columns above its side wall. The bottom of the limiting pipe is provided with a square bottom plate and is fixedly welded to the upper part of the rod body. External threads are provided on the outer wall of the threaded pipe, and a square top plate is provided at its top and is fixedly welded to the lower part of the rod body. The hinged plate is in the shape of the letter 'n', and a limiting screw hole is provided on its top plate, and its two side plates are hinged to the corresponding hinge columns. The threaded pipe of the connecting unit located above is in threaded cooperation with the limiting screw hole on the hinged plate of the connecting unit located below.

[0012] Preferably, the outer diameter of the limiting pipe is equal to the inner diameter of the threaded pipe.

[0013] Preferably, one end of the handle is provided with an avoidance groove, and a connecting pipe communicating with it is provided below the avoidance groove. External threads are provided on the outer wall of the connecting pipe, and it is in threaded cooperation with the upper end of the connecting rod.

[0014] Preferably, the inner diameter of the connecting pipe is equal to the outer diameter of the limiting pipe.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) For the waste oil recovery device of the utility model, by setting a filtering component at the oil recovery inlet end, impurities in the waste oil can be effectively filtered out. A cleaning plate and cleaning strips are provided in the filtering component, which can quickly dredge the oil suction holes on the filter plate blocked by impurities and avoid affecting the waste oil recovery efficiency.

[0017] (2) For the waste oil recovery device of the present utility model, the connecting rods outside the oil delivery pipes are connected to each other by multiple connecting units, which is convenient for disassembly and assembly into different lengths and is applicable to different working environments.

[0018] (3) For the waste oil recovery device of the present utility model, the adjacent connecting units on the connecting rod can be adjusted to a state of being hinged to each other. When used in conjunction with the oil delivery pipe made of a soft material, it can be bent into different angles, which is convenient for waste oil recovery in various harsh environments. Description of the Drawings

[0019] Figure 1 is the external schematic diagram of the present utility model;

[0020] Figure 2 is the schematic diagram of the connecting unit of the present utility model;

[0021] Figure 3 is the schematic diagram of the handle of the present utility model;

[0022] Figure 4 is the exploded view of the filter assembly of the present utility model;

[0023] Main Reference Numeral Descriptions:

[0024] 1. Connecting rod; 2. Handle; 3. Filter assembly; 4. Inner pipe fitting; 5. Outer pipe fitting; 6. Tension spring; 7. Guide plate; 8. First flange ring; 9. Cleaning plate; 10. Cleaning strip; 11. Guide groove; 12. Second flange ring; 13. Filter plate; 14. Oil suction hole; 15. Oil delivery pipe; 16. Rod body; 17. Limiting pipe; 18. Threaded pipe; 19. Hinge plate; 20. Hinge column; 21. Square bottom plate; 22. Square top plate; 23. Limiting screw hole; 24. Avoidance groove; 25. Connecting pipe. Detailed Embodiments

[0025] The technical solutions of the patent of the present utility model will be described clearly and completely below. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0026] In the description of the present utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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, so it should not be construed as a limitation of the utility model.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "connection", and "coupling" 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 an indirect connection through an intermediate medium, and it can be a connection inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Referring to the attached Figures 1-4 , a waste oil recovery device, comprising:

[0029] A connecting rod 1, which is formed by connecting a plurality of connecting units to each other, and has a handle 2 at its upper end; the connecting unit includes a rod body 16, a limiting tube 17, a threaded tube 18, and a hinge plate 19; the rod body 16 is a square tube, and there are two symmetric hinge columns 20 on the upper side of its side wall; the bottom of the limiting tube 17 is provided with a square bottom plate 21 and is fixedly welded to the upper part of the rod body 16; the outer wall of the threaded tube 18 is provided with an external thread, and its top is provided with a square top plate 22 and is fixedly welded to the lower part of the rod body 16; the hinge plate 19 is in the shape of the letter 'n', and its top plate is provided with a limiting screw hole 23, and both side plates are hinged to the hinge columns 20 at corresponding positions;

[0030] A filtering assembly 3, located at the lower end of the connecting rod 1, comprising an inner pipe fitting 4, an outer pipe fitting 5, and a tension spring 6; the inner wall of the inner pipe fitting is provided with an internal thread, and there are two symmetric guide plates 7 on its outer wall, and a flange ring one 8 is provided at the bottom; a cleaning plate 9 is fixed to the bottom of the flange ring one 8 by bolts, and a plurality of vertical cleaning strips 10 are provided at the bottom of the cleaning plate 9; the outer pipe fitting 5 is slidably matched with the inner pipe fitting 4, and there are two guide grooves 11 corresponding to the positions of the guide plates 7 at its top, and a flange ring two 12 is provided at the bottom; a filter plate 13 is fixed to the bottom of the flange ring two 12 by bolts, and a plurality of oil suction holes 14 corresponding to the positions of the cleaning strips 10 are provided on the filter plate 13; the tension spring 6 is sleeved on the inner pipe fitting 4, its bottom is fixed to the flange ring one 8, and its top is fixedly connected to the top of the outer pipe fitting 5;

[0031] An oil delivery pipe 15, located inside the connecting rod 1, one end of which is connected to the inner pipe fitting 4 of the filtering assembly 3, and the other end extends out of the connecting rod 1 and is connected to a storage tank; a negative pressure pump is provided on the storage tank. The storage tank and the negative pressure pump are not shown in the drawings, and their settings and installations are prior arts and will not be elaborated here.

[0032] In this embodiment, the threaded tube 18 of the connecting unit located above is in threaded fit with the limit screw hole 23 on the hinge plate 19 of the connecting unit located below, so that adjacent connecting units are connected together. The outer diameter of the limit tube 17 is equal to or slightly smaller than the inner diameter of the threaded tube 18. When the limit tube 17 of the lower connecting unit enters the threaded tube 18 of the upper connecting unit, the connecting rod 1 can maintain a straight rod state; when bending adjustment is required, only the upper connecting unit needs to be rotated to rotate the threaded tube 18 thereon out of the limit screw hole 23 on the hinge plate 19 of the lower connecting unit.

[0033] On the other hand, the handle 2 is located at the upper end of the connecting rod 1. One end thereof is provided with an avoidance groove 24, and a connecting tube 25 communicating with the avoidance groove 24 is provided below the avoidance groove 24; an external thread is provided on the outer wall of the connecting tube 25, which can be in threaded fit with the limit screw hole 23 on the hinge plate 19 at the top of the upper connecting unit, so that the handle 2 is fixedly connected to the top of the connecting rod 1, facilitating the movement and control of the connecting rod 1. It should be noted that the inner diameter of the connecting tube 25 is equal to or slightly larger than the outer diameter of the limit tube 17, so that the connecting tube 25 can be sleeved on the limit tube 17 at the top of the upper connecting unit, fixing the handle 2 to the upper connecting unit and preventing it from shaking during use.

[0034] During actual use, the staff holds the handle 2 and inserts the connecting rod 1 into the fuel tank or other containers for storing waste oil, so that the filtering component 3 at the lower end of the connecting rod 1 is immersed in the oil; then the negative pressure pump is started to pump the oil into the storage tank. When encountering containers with irregular shapes or other situations where the oil pumping conditions are not good, adjacent connecting units can be rotated to keep them in a hinged state with each other, and the straight rod state of the connecting rod 1 is no longer maintained, facilitating the filtering component 3 to penetrate into the position in contact with the waste oil and enabling the oil recovery work to continue.

[0035] When the staff finds that the oil pumping efficiency becomes slow, it may be that the oil suction holes 14 opened on the filter plate 13 at the bottom of the filtering component 3 are blocked by impurities. At this time, the staff can pull out the connecting rod 1 and the filtering component 3 from the oil pumping position, and then press the filter plate 13 to make the outer pipe fitting 5 reciprocate on the inner pipe fitting 4 along the guide plate 7. It can be seen that the cleaning strips 10 on the cleaning plate 9 will pass through the corresponding oil suction holes 14 to clean up the blockage, which is fast and efficient, enabling the filtering component 3 to quickly resume the oil recovery operation. The bottom of the cleaning strip 10 is thinner than the top, which can more conveniently enter the oil suction holes 14. In addition, after the blockage is cleared, the outer pipe fitting 5 will return to the initial position under the pulling force of the tension spring 6, keeping a certain distance between the oil suction holes 14 and the cleaning strips 10 to avoid affecting the efficiency of waste oil recovery.

[0036] The waste oil recovery device of the present utility model can not only quickly clean and dredge the oil suction hole 14 blocked by impurities, avoiding affecting the efficiency of waste oil recovery, but also complete the waste oil recovery work under various harsh environments through the bendable connecting rod 1, which is very practical and has good market application prospects.

[0037] The foregoing description of specific exemplary embodiments of the present utility model is for purposes of illustration and exemplification. These descriptions are not intended to limit the present utility model to the precise forms disclosed, and obviously, many changes and variations are possible in light of the above teaching. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present utility model and its practical applications, so that those skilled in the art can implement and utilize the various different exemplary embodiments of the present utility model as well as various different selections and changes. The scope of the present utility model is intended to be defined by the claims and their equivalents.

Claims

1. A waste oil recovery device, characterized in that: include: A connecting rod is formed by connecting a plurality of connecting units to each other; a handle is provided at the upper end of the connecting rod; The filter assembly is located at the lower end of the connecting rod, and includes an inner pipe fitting, an outer pipe fitting and a tension spring; the inner wall of the inner pipe fitting is provided with an internal thread, and the outer wall thereof is provided with two symmetrical guide plates, and a flange ring 1 is provided at the bottom; a cleaning plate is fixed by bolts at the bottom of the flange ring 1, and a plurality of vertical cleaning strips are provided at the bottom of the cleaning plate; the outer pipe fitting is slidably matched with the inner pipe fitting, and two guide grooves corresponding to the positions of the guide plates are provided at the top thereof, and a flange ring 2 is provided at the bottom; a filter plate is fixed by bolts at the bottom of the flange ring 2, and a plurality of oil suction holes corresponding to the positions of the cleaning strips are provided on the filter plate; the tension spring is sleeved on the inner pipe fitting, and the bottom of the flange ring 2 is fixed to the flange ring 1, and the top is fixedly connected to the top of the outer pipe fitting; The oil delivery pipe is located inside the connecting rod, one end of which is connected to the filter assembly, and the other end extends out of the connecting rod and is connected to an oil storage tank; a negative pressure pump is provided on the oil storage tank.

2. The waste oil recovery device according to claim 1, characterized in that: The connecting unit includes a rod body, a limiting tube, a threaded tube and a hinge plate; the rod body is a square tube, and two symmetrical hinge columns are arranged above its side wall; a square bottom plate is arranged at the bottom of the limiting tube and is welded and fixed to the top of the rod body; an external thread is arranged on the outer wall of the threaded tube, and a square top plate is arranged on the top and is welded and fixed to the bottom of the rod body; the hinge plate is in the shape of the letter n, and a limiting screw hole is arranged on its top plate, and the two side plates are hinged to the hinge columns at corresponding positions; the threaded tube of the connecting unit located above is threadedly matched with the limiting screw hole on the hinge plate of the connecting unit located below.

3. The waste oil recovery device according to claim 2, characterized in that: The outer diameter of the limiting tube is equal to the inner diameter of the threaded tube.

4. The waste oil recovery device according to claim 2, characterized in that: An escape groove is provided at one end of the handle, and a connecting pipe connected to the escape groove is provided below the escape groove; an external thread is provided on the outer wall of the connecting pipe, and is matched with the thread on the upper end of the connecting rod.

5. The waste oil recovery device according to claim 4, characterized in that: The inner diameter of the connecting pipe is equal to the outer diameter of the limiting pipe.

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