Oil pump assembly easy to clean

Abstract

The utility model relates to the technical field of oil pump assemblies, in particular to an oil pump assembly easy to clean, which has the characteristic of improving practicability and comprises an oil pump assembly body, a first connecting pipe is arranged at the front part of the oil pump assembly body, an oil inlet is formed in the front part of the first connecting pipe, and a limiting ring is arranged in the first connecting pipe. A plurality of first threaded holes are formed in the periphery of the limiting ring and are in threaded connection with bolts, the front portions of the bolts are in threaded connection with an oil filtering device used for filtering impurities in oil, an oil guiding groove is formed in the front portion of the first connecting pipe, and a plurality of oil discharging pipes are connected to the periphery of the first connecting pipe in a penetrating mode and penetrate through the oil guiding groove. Outer threads are arranged on the outer walls of the oil discharging pipes, and the oil discharging pipe located on the lower portion is in threaded connection with a collecting device used for collecting filtered impurities.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pump assemblies, and specifically relates to an oil pump assembly that is easy to clean. Background Art

[0002] As is well known, the function of the oil pump in the lubrication system: The function of the oil pump is to raise the oil to a certain pressure and then forcibly press it onto the moving surfaces of various parts of the engine. The structural forms of the oil pump can be divided into two categories: gear type and rotor type; the gear type oil pump can be further divided into internal gear type and external gear type, and generally the latter is called a gear type oil pump.

[0003] In real life, when adding oil to the oil pump, a filter screen needs to be installed at the oil inlet to filter impurities. The common filter screens are mostly set flat. When the oil passes through the filter screen, all the pressure is exerted on the filter screen, and the flat filter screen has a poor effect of relieving the pressure. Therefore, after filtering the oil for a period of time, the impurities in the oil are easily blocked in the mesh holes of the filter screen under pressure, forming a blockage, which affects the filtering effect of the filter screen. If it is not cleaned for a long time, when the oil pump runs next time, the impurities will generate sliding friction with the inner wall of the oil inlet, which is likely to damage the oil pump. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides an oil pump assembly that is easy to clean, which has the characteristic of improving practicability.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: An oil pump assembly that is easy to clean, including the overall body of the oil pump assembly. A first connecting pipe is arranged at the front part of the overall body of the oil pump assembly. An oil inlet is arranged at the front part of the first connecting pipe. A limiting ring is arranged inside the first connecting pipe. Several first threaded holes are arranged around the limiting ring and are all threadedly connected with bolts. The front parts of several bolts are threadedly connected with an oil filtering device for filtering out impurities in the oil. A oil guiding groove is arranged inside the front part of the first connecting pipe. Several drain pipes penetrate through the first connecting pipe and all penetrate through the oil guiding groove. External threads are arranged on the outer walls of several drain pipes. The drain pipe located at the lower part is threadedly connected with a collecting device for collecting the filtered impurities.

[0008] Further, the oil filtering device includes a fixing ring. Several second threaded holes are arranged around the fixing ring and are all threadedly connected with the corresponding bolts. A filter screen is arranged at the front part of the fixing ring.

[0009] Further, the end face of the filter screen is arc-shaped, and there is a gap between the filter screen and the oil guide groove.

[0010] Further, the collecting device includes a first threaded pipe, which is threadedly connected to the oil discharge pipe. A check valve is threadedly connected to the lower part of the first threaded pipe. A second threaded pipe is threadedly connected to the lower part of the check valve. The lower part of the second threaded pipe is penetrated and connected to a bottle body.

[0011] Further, an observation strip is provided at the front of the bottle body, and a sewage discharge pipe is provided at the lower part of the right part of the bottle body, and a valve is provided.

[0012] Preferably, a second connecting pipe is provided at the rear of the total body of the oil pump, and an oil outlet is provided at the rear of the second connecting pipe.

[0013] Preferably, covers are threadedly connected to several of the oil discharge pipes.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an oil pump assembly that is easy to clean, and has the following beneficial effects:

[0016] For the oil pump assembly that is easy to clean, through the arc-shaped setting of the filter screen, when the oil passes through the filter screen, part of the pressure generated will be dispersed by the arc-shaped end face, thereby reducing the force on the filter screen. And larger impurities will flow into the liquid guide groove under the pressure of the oil for collection, avoiding the impurities being pressed into the filter holes of the filter screen to form blockage, and reducing the amount of impurities attached to the surface of the filter screen. Finally, by installing a first threaded pipe under the oil discharge pipe, the impurities in the oil guide groove can flow into the bottle body for collection, avoiding a large amount of impurities from accumulating in the first connecting pipe and affecting the next addition of oil, facilitating the cleaning of impurities, and also facilitating the later cleaning of the filter screen and the total body of the oil pump, thereby improving a certain practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional schematic diagram of the utility model;

[0018] Figure 2 is a structural schematic diagram of the utility model;

[0019] Figure 3 is an enlarged three-dimensional schematic diagram of the fixing ring and the filter screen of the utility model;

[0020] Figure 4 is the utility model Figure 1 is a partially enlarged structural schematic diagram of the A position shown in the utility model;

[0021] Figure 5 is the utility modelFigure 2 The structural schematic diagram of the partial enlargement at position B shown in the figure.

[0022] In the figure: 1. The total body of the oil pump; 2. The first connecting pipe; 3. The oil inlet; 4. The limiting ring; 5. The bolt; 6. The oil guiding groove; 7. The drain pipe; 8. The fixing ring; 9. The filter net; 10. The first threaded pipe; 11. The check valve; 12. The second threaded pipe; 13. The bottle body; 14. The observation strip; 15. The sewage discharge pipe; 16. The second connecting pipe; 17. The oil outlet. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figure 1-2 , a total oil pump assembly that is easy to clean according to the present invention includes a total oil pump body 1. A first connecting pipe 2 is arranged at the front of the total oil pump body 1. An oil inlet 3 is arranged at the front of the first connecting pipe 2. Oil enters the first connecting pipe 2 through the oil inlet 3 and then enters the interior of the total oil pump body 1. A second connecting pipe 16 is arranged at the rear of the total oil pump body 1. An oil outlet 17 is arranged at the rear of the second connecting pipe 16. The oil inside the total oil pump body 1 enters the second connecting pipe 16 and is discharged to the next device through the oil outlet 17.

[0025] Please refer to Figure 3-5, a limiting ring 4 is provided inside the first connecting pipe 2. A plurality of first threaded holes are provided around the limiting ring 4, and bolts 5 are all threadedly connected thereto. The front parts of the plurality of bolts 5 are threadedly connected with an oil filtering device. The oil filtering device is installed on the limiting ring 4 by means of the threaded connection between the bolts 5 and the first threaded holes, and is used to filter out impurities in the oil and discharge the filtered oil into the total body 1 of the oil pump. The oil filtering device includes a fixing ring 8. A plurality of second threaded holes are provided around the fixing ring 8, and are all threadedly connected with the corresponding bolts 5. The fixing ring 8 and the limiting ring 4 are installed together by means of the threaded connection between the bolts 5, the second threaded holes and the first threaded holes. A filter net 9 is provided at the front part of the fixing ring 8 and is used to filter out impurities in the engine oil. The end face of the filter net 9 is arc-shaped. When the engine oil is transported into the first connecting pipe 2 and passes through the filter net 9, the engine oil flows on the outer wall of the filter net 9, forming a tendency to flow around. The impurities in the engine oil will flow along the arc-shaped end face to the vicinity of the fixing ring 8, preventing the impurities from being squeezed into the filter net 9 by the engine oil to form a blockage. There is a gap between the filter net 9 and the oil guiding groove 6 to provide sufficient space for the passage of impurities in the engine oil. An oil guiding groove 6 is provided inside the front part of the first connecting pipe 2. After the impurities filtered out by the filter net 9 are blocked by the fixing ring 8, they gather in the oil guiding groove 6. A plurality of drain pipes 7 penetrate through the circumference of the first connecting pipe 2 and all penetrate through the oil guiding groove 6. The impurities in the oil guiding groove 6 are discharged to the outside through the drain pipes 7. External threads are provided on the outer walls of the plurality of drain pipes 7. The drain pipe 7 located at the lower part is threadedly connected with a collecting device. The collecting device is installed on the drain pipe 7 by means of threaded connection. Which drain pipe 7 it is installed on is determined according to the installation state of the total body 1 of the oil pump, as long as the collecting device is located below the first connecting pipe 2, and is used to collect the filtered impurities to prevent the impurities from accumulating too much in the first connecting pipe 2 and finally being squeezed into the filter net 9 to form a blockage. Among them, caps are threadedly connected to the plurality of drain pipes 7. For the drain pipes 7 without the collecting device installed, caps are installed for plugging to prevent the impurities from being discharged to the outside of the total body 1 of the oil pump through the drain pipes 7. The collecting device includes a first threaded pipe 10, which is threadedly connected with the drain pipe 7. A one-way valve 11 is threadedly connected to the lower part of the first threaded pipe 10. A second threaded pipe 12 is threadedly connected to the lower part of the one-way valve 11. A bottle body 13 is penetrated and connected to the lower part of the second threaded pipe 12. The impurities in the drain pipe 7 enter the first threaded pipe 10 and continue to flow downward, pass through the one-way valve 11 and continue to flow into the second threaded pipe 12. The one-way valve 11 prevents the impurities from flowing back into the first threaded pipe 10. Then the impurities in the second threaded pipe 12 flow into the bottle body 13 for collection. An observation strip 14 is provided at the front part of the bottle body 13 to facilitate observing the impurity content in the bottle body 13. A drain pipe 15 is provided at the lower part of the right part of the bottle body 13 and is provided with a valve. By opening the valve, the impurities in the bottle body 13 are discharged through the drain pipe 15.

[0026] In summary, when the easy-to-clean oil pump assembly is in use, oil is added into the first connecting pipe 2. When the oil flows to the filter screen 9, it impacts on the arc-shaped filter screen. The filtered oil enters into the main body 1 of the oil pump assembly, and the filtered impurities are pushed to the fixing ring 8 and flow into the oil guiding groove 6 for collection. After the oil addition is completed, according to the installation state of the main body 1 of the oil pump assembly, the cap on the drain pipe 7 below the first connecting pipe 2 is unscrewed, and the first threaded pipe 10 is screwed onto the drain pipe 7. The impurities in the drain pipe 7 and the oil guiding groove 6 flow into the first threaded pipe 10, flow through the one-way valve 11 into the second threaded pipe 12, and finally enter the bottle body 13 for collection.

[0027] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil pump assembly that is easy to clean, comprising an oil pump total cost body (1), a first connecting pipe (2) is arranged at the front of the oil pump total cost body (1), and an oil inlet (3) is arranged at the front of the first connecting pipe (2), characterized in that: A limiting ring (4) is arranged inside the first connecting pipe (2). A plurality of first threaded holes are arranged around the limiting ring (4), and bolts (5) are threadedly connected thereto. A front portion of each of the plurality of bolts (5) is threadedly connected to an oil filtering device for filtering impurities in the oil. An oil guiding groove (6) is arranged inside a front portion of the first connecting pipe (2). A plurality of oil drain pipes (7) penetrate through the first connecting pipe (2) and all penetrate through the oil guiding groove (6). External threads are arranged on outer walls of the plurality of oil drain pipes (7). The lower oil drain pipe (7) is threadedly connected to a collecting device for collecting the filtered impurities.

2. The oil pump assembly according to claim 1, which is easy to clean, is characterized in that: The oil filtering device includes a fixing ring (8). A plurality of second threaded holes are arranged around the fixing ring (8), and each is threadedly connected to a corresponding bolt (5). A filter net (9) is arranged on a front portion of the fixing ring (8).

3. The oil pump assembly that is easy to clean according to claim 2, wherein: An end face of the filter net (9) is arc-shaped. A gap is arranged between the filter net (9) and the oil guiding groove (6).

4. The oil pump assembly easy to clean according to claim 1, characterized in that: The collecting device includes a first threaded pipe (10) threadedly connected to the oil drain pipe (7). A check valve (11) is threadedly connected to a lower portion of the first threaded pipe (10). A second threaded pipe (12) is threadedly connected to a lower portion of the check valve (11). A bottle body (13) is penetrated and connected to a lower portion of the second threaded pipe (12).

5. The oil pump assembly that is easy to clean according to claim 4, characterized in that: An observation strip (14) is arranged on a front portion of the bottle body (13). A sewage drain pipe (15) is arranged at a lower portion of a right portion of the bottle body (13) and is provided with a valve.

6. The oil pump assembly easy to clean according to claim 1, characterized in that: A second connecting pipe (16) is arranged at a rear portion of the total body of the oil pump (1). An oil outlet (17) is arranged at a rear portion of the second connecting pipe (16).

7. The oil pump assembly easy to clean according to claim 6, characterized in that: Caps are threadedly connected to several of the oil drain pipes (7).

Images