Hydraulic oil tank with filtering structure

Abstract

The hydraulic oil tank with the filtering structure comprises an oil tank body, a cover plate is detachably connected to the upper end of the oil tank body, an oil outlet pipe is arranged on the side wall of the oil tank body, and an oil return pipe is arranged at the upper end of the cover plate; the filtering mechanism comprises a first filtering end and a second filtering end; the first filter end comprises a filter sleeve, an adjusting plug and a first filter screen; the filter sleeve is connected to the lower end of the oil return pipe, the adjusting plug is movably connected to the interior of the filter sleeve, the first filter screen is connected to the lower end of the filter sleeve, and the second filter end is obliquely arranged in the oil tank and located at the lower end of the first filter screen. The hydraulic oil tank has the advantages that the technical problem that in the prior art, a hydraulic oil tank cannot filter hydraulic oil, so that impurities in the hydraulic oil easily affect a whole hydraulic system, and the working efficiency of the hydraulic oil tank is reduced is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil tank equipment, in particular to a hydraulic oil tank with a filtering structure. Background Art

[0002] The hydraulic oil tank is a device that can ensure the circulation of hydraulic oil in the entire hydraulic system. The hydraulic oil tank refers to a container used to store the oil required to ensure the operation of the hydraulic system. According to whether the oil tank liquid level is connected to the atmosphere, the oil tank can be divided into open and closed types. The main function of the hydraulic oil tank is to store oil. In addition, it also plays a role in heat dissipation, impurity precipitation and air escape from the oil. According to whether the oil tank liquid level is connected to the atmosphere, the oil tank can be divided into open and closed types.

[0003] In Chinese utility model CN219220878U, "a hydraulic oil tank" is proposed. This device mainly solves the problem that the existing hydraulic oil tank is difficult to carry. However, during the use of hydraulic oil, the impurities inside the hydraulic oil will increase over time. If the impurities inside the hydraulic oil are not filtered in time, it will affect the entire hydraulic system. Most of the existing hydraulic oil tanks do not have a filtering function, and a few hydraulic oil tanks can only simply filter the hydraulic oil, and the filtering effect is poor. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and provide a hydraulic oil tank with a filtering structure to solve the technical problem that the hydraulic oil tank in the prior art is not capable of filtering the hydraulic oil, resulting in impurities in the hydraulic oil easily affecting the entire hydraulic system, thereby reducing the working efficiency of the hydraulic oil tank.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, the utility model provides a hydraulic oil tank with a filtering structure, comprising:

[0007] An oil tank, wherein a cover plate is detachably connected to the upper end of the oil tank, an oil outlet pipe is provided on the side wall of the oil tank, and an oil return pipe is provided on the upper end of the cover plate;

[0008] A filtering mechanism comprises a first filtering end and a second filtering end; the first filtering end comprises a filtering sleeve, an adjusting plug and a first filtering screen; the filtering sleeve is connected to the lower end of the oil return pipe, and the adjusting plug is movably connected to the inside of the filtering sleeve, the first filtering screen is connected to the lower end of the filtering sleeve, and the second filtering end is arranged obliquely in the oil tank and is located at the lower end of the first filtering screen.

[0009] In some embodiments, a sealing rubber ring is circumferentially arranged at the lower end of the cover plate, and a groove cooperating with the sealing rubber ring is opened at the upper end of the oil tank.

[0010] In some embodiments, the adjusting plug includes a fixing plate; the fixing plate is installed in the filter sleeve, and a flow port is opened on the fixing plate, and a plurality of sliding columns are arranged circumferentially on the outer periphery of the flow port and on the fixing plate, and any one of the sliding columns is connected to a limiting block, and a return spring is connected to the lower end of the limiting block, and the end of the return spring is connected to the fixing plate, and a connecting block is fixed to the upper end of any one of the limiting blocks, and an upper disk body is fixed on several of the connecting blocks, and a column body is fixed on the lower end of the upper disk body, and one axial end of the column body passes through the flow port and is connected to a lower disk body, and a sealing plug for sealing the flow port is provided on the lower disk body.

[0011] In some embodiments, a plurality of flow holes are formed at the lower end of the lower disk around the circumference of the sealing plug.

[0012] In some embodiments, a plurality of magnet columns are circumferentially arranged at the upper end of the first filter.

[0013] In some embodiments, the second filter end includes a bearing block and a second filter screen; the inner wall of the oil tank is symmetrically and obliquely arranged with two bearing blocks, any one of the bearing blocks is provided with a lower groove, and connecting plates matching the lower groove are provided on both sides of the second filter screen, and the connecting plates and the lower groove are provided with connecting through holes that match each other, and the connecting through holes are threadedly connected with external bolts.

[0014] In some embodiments, an installation and disassembly structure is provided between the oil tank and the cover plate, and the installation and disassembly structure includes a connecting tube and connecting bolts; connecting tubes are provided around the inner cavity of the oil tank, and the connecting bolts penetrate the cover plate and extend into the connecting tube.

[0015] Compared with the prior art, the utility model provides a hydraulic oil tank with a filtering structure, in which, in order to enhance the filtering effect of the oil tank on the hydraulic oil, a filter sleeve is connected to the lower end of the return oil pipe, and an adjusting plug that can be retracted up and down is arranged in the filter sleeve. When the hydraulic oil enters the inside of the filter sleeve, the adjusting plug will be squeezed downward to open the head. At this time, the hydraulic oil will continue to move toward the lower end of the filter sleeve, and after being filtered by the first filter screen, it will enter the oil tank and be filtered for the second time through the inclined second filter end, and finally be discharged from the oil outlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the internal structure of a hydraulic oil tank with a filtering structure provided by an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the interior of a filter sleeve of a hydraulic oil tank with a filter structure provided by an embodiment of the utility model;

[0018] Figure 3 It is a bottom view of a hydraulic oil tank with a filtering structure provided by an embodiment of the utility model;

[0019] Figure 4 It is a side schematic diagram of a hydraulic oil tank with a filtering structure provided by an embodiment of the utility model;

[0020] Figure 5 It is a front view of a hydraulic oil tank with a filtering structure provided in an embodiment of the utility model.

[0021] Explanation of the reference numerals in the accompanying drawings: 1. oil tank; 11. cover plate; 111. sealing rubber ring; 12. oil outlet pipe; 13. oil return pipe; 14. groove; 2. filtering mechanism; 3. first filtering end; 31. filtering sleeve; 32. adjusting plug; 321. fixing plate; 322. flow port; 323. sliding column; 3231. limiting block; 324. reset spring; 325. connecting block; 326. upper disk; 327. column; 328. lower disk; 3281. sealing plug; 33. first filter screen; 331. magnet column; 4. second filtering end; 41. bearing block; 411. lower groove; 42. second filter screen; 421. connecting plate; 422. connecting through hole; 5. installation and disassembly structure; 51. connecting cylinder; 52. connecting bolt. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] See also Figure 1 , Figure 1 The structural schematic diagram of a hydraulic oil tank with a filtering structure in an embodiment of the utility model, the hydraulic oil tank with a filtering structure comprises an oil tank 1, a cover plate 11 is detachably connected to the upper end of the oil tank 1, an oil outlet pipe 12 is provided on the side wall of the oil tank 1, and an oil return pipe 13 is provided on the upper end of the cover plate 11;

[0024] The filtering mechanism 2 includes a first filtering end 3 and a second filtering end 4; the first filtering end 3 includes a filtering sleeve 31, an adjusting plug 32 and a first filtering screen 33; the filtering sleeve 31 is connected to the lower end of the oil return pipe 13, and the adjusting plug 32 is movably connected to the inside of the filtering sleeve 31, the first filtering screen 33 is connected to the lower end of the filtering sleeve 31, and the second filtering end 4 is arranged obliquely in the oil tank 1 and is located at the lower end of the first filtering screen 33.

[0025] In this embodiment, in order to enhance the filtering effect of the oil tank 1 on the hydraulic oil, a filter sleeve 31 is connected to the lower end of the return oil pipe 13, and an adjusting plug 32 that can be extended up and down is arranged in the filter sleeve 31. When the hydraulic oil enters the inside of the filter sleeve 31, the adjusting plug 32 will be squeezed downward to open the head. At this time, the hydraulic oil will continue to move to the lower end of the filter sleeve 31, and after being filtered by the first filter net 33, it will enter the oil tank 1, and pass through the inclined second filter end 4 for secondary filtration, and finally be discharged from the oil outlet pipe 12.

[0026] In one embodiment, see Figure 2 In order to improve the sealing between the cover plate 11 and the oil tank 1 , a sealing rubber ring 111 is arranged circumferentially at the lower end of the cover plate 11 , and a groove 14 cooperating with the sealing rubber ring 111 is opened at the upper end of the oil tank 1 .

[0027] In this embodiment, a sealing rubber ring 111 is arranged at the lower end of the cover plate 11, and a groove 14 is provided at the upper end of the oil tank 1. When the sealing rubber ring 111 is squeezed into the groove 14, the sealing performance of the entire oil tank 1 can be enhanced to avoid leakage.

[0028] In one embodiment, see Figure 2-4 In order to improve the working efficiency of the regulating plug 32, the regulating plug 32 includes a fixing plate 321; the fixing plate 321 is installed in the filter sleeve 31, and a flow port 322 is opened on the fixing plate 321, and a plurality of sliding columns 323 are arranged circumferentially on the outer periphery of the flow port 322 and on the fixing plate 321, and any one of the sliding columns 323 is connected to a limiting block 3231, and a return spring 324 is connected to the lower end of the limiting block 3231, and the end of the return spring 324 is connected to the fixing plate 321, and any one of the limiting blocks 3231 is connected to the lower end of the limiting block 3231. A connecting block 325 is fixed to the upper end of the positioning block 3231, and an upper disk body 326 is fixed on several connecting blocks 325. A column 327 is fixed to the lower end of the upper disk body 326, and one axial end of the column 327 passes through the flow port 322 and is connected to the lower disk body 328. A sealing plug 3281 for sealing the flow port 322 is provided on the lower disk body 328, and a plurality of flow holes are circumferentially opened at the lower end of the lower disk body 328 around the sealing plug 3281, and a plurality of magnet columns 331 are circumferentially arranged at the upper end of the first filter screen 33.

[0029] In this embodiment, a fixing plate 321 is arranged inside the filter sleeve 31 for dividing the space inside the filter sleeve 31, and a flow port 322 is opened in the middle of the fixing plate 321 to facilitate the hydraulic oil to pass through the fixing plate 321, a sliding column 323 is arranged on the periphery of the fixing plate 321, and a limit block 3231 is provided on the sliding column 323 to facilitate connection with the return spring 324, and the limit block 3231 is pushed by the return spring 324 to drive the sliding column 323 to move upward, because the upper end of the sliding column 323 is fixed with a connecting block 325, and an upper disk 326 is fixed on the connecting block 325, and a column 327 is provided at the lower end of the upper disk 326, and the lower end of the column 327 is connected to the lower disk 328, when the sliding column 323 moves upward, It will drive the lower disk 328 to move toward the fixed plate 321, and prompt the sealing plug 3281 to seal the flow port 322, so that the sealing performance of the filter sleeve 31 when not in use can be enhanced. When the hydraulic oil flows in the filter sleeve 31, it will squeeze the upper disk 326 to drive the limit block 3231 and the sliding column 323 to move downward, and squeeze the return spring 324. At this time, the lower disk 328 is away from the fixed plate 321, and the sealing plug 3281 does not seal the flow port 322, so that the hydraulic oil can flow normally inside the filter sleeve 31, and a flow hole is opened on the outer periphery of the lower disk 328 around the sealing plug 3281 to accelerate the flow of the hydraulic oil. At the same time, a magnet column 331 is provided to absorb metal impurities in the hydraulic oil.

[0030] In one embodiment, see Figure 1 and Figure 5 In order to improve the use efficiency of the fuel tank 1, the second filter end 4 includes a bearing block 41 and a second filter screen 42; the inner wall of the fuel tank 1 is symmetrically and obliquely arranged with two bearing blocks 41, and any bearing block 41 is provided with a lower groove 411, and connecting plates 421 matching with the lower groove 411 are provided on both sides of the second filter screen 42, and connecting through holes 422 matching with each other are opened on the connecting plate 421 and the lower groove 411, and the internal threads of the connecting through holes 422 are connected with external bolts, and an installation and disassembly structure 5 is provided between the fuel tank 1 and the cover plate 11, and the installation and disassembly structure 5 includes a connecting cylinder 51 and a connecting bolt 52; the connecting cylinder 51 is provided around the inner cavity of the fuel tank 1, and the connecting bolt 52 passes through the cover plate 11 and extends into the connecting cylinder 51.

[0031] The second filter 42 is arranged obliquely in the oil tank 1, which can speed up the filtering efficiency of the second filter 42 on the hydraulic oil, and the second filter 42 is detachably connected to the supporting block 41, which is convenient for subsequent disassembly, and by arranging a connecting cylinder 51 on the oil tank 1 and extending through the cover plate 11 into the connecting cylinder 51 by the connecting bolts 52, it is convenient for the staff to disassemble the cover plate 11 later.

[0032] In order to better understand the present invention, the following Figures 1 to 5The technical solution of the utility model is described in detail: the hydraulic oil enters the filter sleeve 31 from the return oil pipe 13, and the flowing hydraulic oil squeezes the upper plate 326. During the descent of the upper plate 326, the lower plate 328 is driven downward by the column 327, so that the sliding column 323 drives the limit block 3231 to squeeze the return spring 324, causing the return spring 324 to deform. When the sealing plug 3281 is away from the flow port 322, the hydraulic oil continues to flow downward in the filter sleeve 31 and flows through the first filter screen 33. A plurality of magnet columns 331 are provided, through which metal impurities in the hydraulic oil can be adsorbed, thereby reducing the impurities inside the hydraulic oil. After passing through the first filter screen 33, the hydraulic oil continues to flow to the second filter screen 42. Since the second filter screen 42 is inclined, the filtering efficiency can be accelerated, and the oil is finally discharged from the oil outlet pipe 12. When the oil tank 1 is not in use, the upper disk 326 is no longer squeezed, and the return spring 324 pushes the limit block 3231, which drives the sliding column 323 to move upward, and prompts the sealing plug 3281 to seal the flow port 322.

[0033] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A hydraulic oil tank with a filtering structure, characterized in that: include: An oil tank, wherein a cover plate is detachably connected to the upper end of the oil tank, an oil outlet pipe is provided on the side wall of the oil tank, and an oil return pipe is provided on the upper end of the cover plate; A filtering mechanism comprises a first filtering end and a second filtering end; the first filtering end comprises a filtering sleeve, an adjusting plug and a first filtering screen; the filtering sleeve is connected to the lower end of the oil return pipe, and the adjusting plug is movably connected to the inside of the filtering sleeve, the first filtering screen is connected to the lower end of the filtering sleeve, and the second filtering end is arranged obliquely in the oil tank and is located at the lower end of the first filtering screen.

2. The hydraulic oil tank with a filtering structure according to claim 1, characterized in that: A sealing rubber ring is circumferentially arranged at the lower end of the cover plate, and a groove matching with the sealing rubber ring is opened at the upper end of the oil tank.

3. The hydraulic oil tank with a filtering structure according to claim 1, characterized in that: The regulating plug includes a fixing plate; the fixing plate is installed in the filter sleeve, and a flow port is opened on the fixing plate, and a plurality of sliding columns are arranged circumferentially on the outer periphery of the flow port and on the fixing plate, and a limiting block is connected to any one of the sliding columns, and a return spring is connected to the lower end of the limiting block, and the end of the return spring is connected to the fixing plate, and a connecting block is fixed to the upper end of any one of the limiting blocks, and an upper disk body is fixed to several of the connecting blocks, and a column body is fixed to the lower end of the upper disk body, and one axial end of the column body passes through the flow port and is connected to a lower disk body, and a sealing plug for sealing the flow port is provided on the lower disk body.

4. The hydraulic oil tank with a filtering structure according to claim 3, characterized in that: The lower end of the lower disk body is provided with a plurality of flow holes circumferentially around the sealing plug.

5. The hydraulic oil tank with a filtering structure according to claim 1, characterized in that: A plurality of magnet columns are circumferentially arranged on the upper end of the first filter.

6. The hydraulic oil tank with a filtering structure according to claim 1, characterized in that: The second filter end includes a bearing block and a second filter screen; two bearing blocks are symmetrically and obliquely arranged on the inner wall of the oil tank, and a lower groove is provided on any one of the bearing blocks. Connecting plates matching the lower groove are provided on both sides of the second filter screen, and connecting through holes matching each other are opened on the connecting plate and the lower groove, and external bolts are connected to the inner threads of the connecting through holes.

7. The hydraulic oil tank with a filtering structure according to claim 1, characterized in that: An installation and disassembly structure is arranged between the oil tank and the cover plate, and the installation and disassembly structure comprises a connecting tube and connecting bolts; a connecting tube is arranged around the inner cavity of the oil tank, and the connecting bolts penetrate the cover plate and extend into the connecting tube.

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