Hydraulic pump with hydraulic oil impurity filtering function

Abstract

The utility model discloses a hydraulic pump with a hydraulic oil impurity filtering function, and relates to the field of hydraulic pumps. The air purifier comprises a shell, a filtering mechanism and a cleaning mechanism are arranged on the shell, and the filtering mechanism comprises a filtering assembly and a connecting assembly; the connecting assembly comprises a first liquid inlet pipe and a liquid outlet pipe which are arranged on the outer wall of the shell in a communicating mode, the left end of the first liquid inlet pipe is provided with a connecting pipe in a communicating mode, the left end of the connecting pipe is provided with a fixing sleeve in a communicating mode, the left end of the fixing sleeve is provided with a second liquid inlet pipe in a communicating mode, and the right side of the second liquid inlet pipe is provided with a filter cartridge in a communicating mode; the filter cartridge is arranged in the fixed sleeve, and a plurality of filter holes are formed in the outer wall of the fixed sleeve. By arranging the cleaning mechanism, the plurality of arc-shaped plates can drive the cleaning brush to rotate to brush the filtering holes in the rotating process, so that residues generated in the hydraulic oil filtering process are effectively prevented from being adhered to the filtering holes, and the filtering holes are prevented from being blocked.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic pumps, in particular to a hydraulic pump with a hydraulic oil impurity filtering function. Background Art

[0002] In the prior art, such as the Chinese patent announcement number: CN116988969A, a hydraulic pump with a filtering function is disclosed, including: a pump body assembly, the pump body assembly includes a protective shell, and one side of the protective shell is fixedly connected to a liquid outlet. When the hydraulic pump with a filtering function is in use, hydraulic oil mixed with impurities enters the filter tube, and the impurities are filtered and blocked by the filter core plate and the filter hole. The clean hydraulic oil after filtration flows through the filter core plate and the filter hole to the liquid outlet end, and the impurities slide through the filter tube under the action of gravity and accumulate at the end of the discharge pipe. After long-term use, the accumulated impurities become more and more, and the pressure difference sensor and the flow meter body respectively detect that the pressure difference is too large and the flow value decreases, and transmit the abnormal signal to the controller. The controller controls the start of the forward and reverse motors, so that the output shafts of the forward and reverse motors drive the connecting plate to rotate. When the cover plate is rotated open, the accumulated impurities are discharged downward from the discharge pipe.

[0003] During the filtering process of hydraulic oil, impurities and residual substances in the hydraulic oil will adhere to the surface of the filter plate. These substances may be metal particles, oxidation products, water, sludge, etc. produced by wear. They will gradually form a layer of sediment on the surface of the filter plate. This layer of sediment will block the pores of the filter plate, reduce the filtering efficiency of the filter plate, and even cause the hydraulic oil to be unable to pass normally. The sediment will also hinder the flow of hydraulic oil, increase the pressure of the hydraulic system, and cause the hydraulic system to reduce its working efficiency or even malfunction. Utility Model Content

[0004] The utility model aims to provide a hydraulic pump with a hydraulic oil impurity filtering function. By providing a cleaning mechanism, a plurality of arc-shaped plates can drive a cleaning brush to rotate and scrub the filter holes during rotation, thereby effectively preventing the residues generated during the hydraulic oil filtering process from adhering to the filter holes, and solving the problem that impurities and residual substances in the hydraulic oil will adhere to the surface of the filter plate. These substances may be metal particles, oxidation products, moisture, sludge, etc. generated by wear, which will gradually form a layer of sediment on the surface of the filter plate, and this layer of sediment will block the pores of the filter plate and reduce the filtering efficiency of the filter plate.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a hydraulic pump with a hydraulic oil impurity filtering function, comprising a housing, a filtering mechanism and a cleaning mechanism are arranged on the housing, and the filtering mechanism comprises a filtering component and a connecting component;

[0007] The connecting assembly includes a liquid inlet pipe 1 and a liquid outlet pipe which are connected and arranged on the outer wall of the shell. The left end of the liquid inlet pipe 1 is connected and arranged with a connecting pipe, the left end of the connecting pipe is connected and arranged with a fixed sleeve, the left end of the fixed sleeve is connected and arranged with a liquid inlet pipe 2, the right side of the liquid inlet pipe 2 is connected and arranged with a filter cartridge, the filter cartridge is arranged inside the fixed sleeve, and a plurality of filter holes are opened on the outer wall of the fixed sleeve.

[0008] Furthermore, the connection assembly includes a sewage pipe connected to the outer wall of the filter cartridge, the end of the sewage pipe is fixedly extended to the outside of the fixed sleeve, and the bottom end of the fixed sleeve is threadedly connected with a threaded plug.

[0009] Furthermore, the cleaning mechanism includes a transmission assembly and a cleaning assembly, the transmission assembly includes a rotating rod 1 and a rotating rod 2 rotatably connected to the inner wall of the outer shell, the front ends of the rotating rod 1 and the rotating rod 2 are both rotated and extended to the front side of the outer shell, the outer wall of the rotating rod 1 is fixedly connected to the oil pressure gear 1, and the outer wall of the rotating rod 2 is fixedly connected to the oil pressure gear 2.

[0010] Furthermore, the oil pressure gear 1 and the oil pressure gear 2 are both arranged inside the housing, and the oil pressure gear 2 is meshed with the oil pressure gear 1.

[0011] Furthermore, the cleaning assembly includes a rotating rod three that rotates and passes through the filter cartridge, and the outer wall of the rotating rod three is fixedly connected to two limiting rings, and the two limiting rings are respectively slidably connected to the front side and the inner wall of the filter cartridge.

[0012] Furthermore, two connecting discs are fixedly connected to the outer wall of the rotating rod three, and the two connecting discs are symmetrically distributed inside the filter cartridge, and the two connecting discs are both slidably connected to the inner wall of the filter cartridge.

[0013] Furthermore, a plurality of arc-shaped plates are fixedly connected to the outer wall of the rotating rod three, the front and rear sides of the plurality of arc-shaped plates are respectively fixedly connected to two connecting discs, a cleaning brush is fixedly connected to the side of the plurality of arc-shaped plates away from the rotating rod three, and the plurality of cleaning brushes are in contact with the inner wall of the filter cartridge.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting up a filtering mechanism and cleverly designing the filter holes, various impurities in the hydraulic oil, such as metal chips, dust, fibers, etc., can be effectively intercepted. If these impurities enter the hydraulic system, they will cause serious damage to the hydraulic components, such as wearing the cylinder, blocking the oil circuit, damaging the valve, etc., and eventually cause the hydraulic system to fail to work properly or even malfunction. Therefore, the existence of the filter holes is very important to ensure the stability and reliable operation of the hydraulic system.

[0016] 2. By providing a cleaning mechanism, during the process of hydraulic oil being transported from the liquid inlet pipe 2 to the liquid outlet pipe, multiple arc plates on the rotating rod 3 are pushed to rotate, and the connecting disc can limit the range of liquid flow so that it can be completely filtered through the filter holes. During the rotation process, the multiple arc plates can drive the cleaning brush to rotate and brush the filter holes, effectively preventing the residues generated during the hydraulic oil filtration process from adhering to the filter holes and avoiding clogging of the filter holes, thereby ensuring the normal operation of the hydraulic oil filtration system and extending the service life of the filter cartridge.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a front cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0022] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 5 for Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0024] Figure 6 for Figure 3 Schematic diagram of the enlarged structure at point C in the middle.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Shell; 2. Filter mechanism; 3. Cleaning mechanism; 21. Liquid inlet pipe 1; 22. Liquid outlet pipe; 23. Connecting pipe; 24. Fixed sleeve; 25. Liquid inlet pipe 2; 26. Filter cartridge; 27. Filter hole; 28. Drain pipe; 29. ​​Threaded plug; 31. Turning rod 1; 32. Oil pressure gear 1; 33. Turning rod 2; 34. Oil pressure gear 2; 35. Turning rod 3; 36. Limiting ring; 37. Connecting disc; 38. Arc plate; 39. Cleaning brush. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6 As shown, the utility model is a hydraulic pump with a hydraulic oil impurity filtering function, comprising a housing 1, a filtering mechanism 2 and a cleaning mechanism 3 are arranged on the housing 1, and the filtering mechanism 2 comprises a filtering component and a connecting component;

[0029] The connecting assembly includes an inlet pipe 21 and an outlet pipe 22 which are connected and arranged on the outer wall of the shell 1. The left end of the inlet pipe 21 is connected and arranged with a connecting pipe 23. The left end of the connecting pipe 23 is connected and arranged with a fixed sleeve 24. The left end of the fixed sleeve 24 is connected and arranged with an inlet pipe 25. The right side of the inlet pipe 25 is connected and arranged with a filter cartridge 26. The filter cartridge 26 is arranged inside the fixed sleeve 24. A plurality of filter holes 27 are opened on the outer wall of the fixed sleeve 24. The connecting assembly includes a drain pipe 28 which is connected and arranged on the outer wall of the filter cartridge 26. The end of the drain pipe 28 is fixedly extended to the outside of the fixed sleeve 24. The bottom end of the fixed sleeve 24 is threadedly connected with a threaded plug 29. By providing the filtering mechanism 2, the filter holes 27 are cleverly designed and can effectively intercept various impurities in the hydraulic oil, such as metal chips, dust, fibers, etc. If these impurities enter the hydraulic system, they will cause serious damage to the hydraulic components, such as wearing the cylinder, blocking the oil circuit, damaging the valve, etc., and eventually cause the hydraulic system to malfunction or even malfunction. Therefore, the existence of the filter hole 27 is important to ensure the stability and reliable operation of the hydraulic system.

[0030] The cleaning mechanism 3 includes a transmission assembly and a cleaning assembly. The transmission assembly includes a rotating rod 1 31 and a rotating rod 2 33 which are rotatably connected to the inner wall of the shell 1. The front ends of the rotating rod 1 31 and the rotating rod 2 33 are both rotatably extended to the front side of the shell 1. The outer wall of the rotating rod 1 31 is fixedly connected to an oil pressure gear 1 32. The outer wall of the rotating rod 2 33 is fixedly connected to an oil pressure gear 2 34. The oil pressure gear 1 32 and the oil pressure gear 2 34 are both arranged inside the shell 1. The oil pressure gear 2 34 is meshed with the oil pressure gear 1 32. The cleaning assembly includes a rotating rod 35 which rotates and passes through the filter cartridge 26. The outer wall of the rotating rod 35 is fixedly connected to two limiting rings 36. The two limiting rings 36 are respectively slidably connected to the front side and the inner wall of the filter cartridge 26. The outer wall of the rotating rod 35 is fixedly connected to two connecting discs 37. The two connecting discs 37 are symmetrically distributed inside the filter cartridge 26. The two connecting discs 37 are both slidably connected to the inner wall of the filter cartridge 26. A plurality of arc plates 38 are fixedly connected to the outer wall of the rod three 35, and the front and rear sides of the plurality of arc plates 38 are fixedly connected to two connecting discs 37 respectively. A cleaning brush 39 is fixedly connected to the side of the plurality of arc plates 38 away from the rotating rod three 35, and the plurality of cleaning brushes 39 are in contact with the inner wall of the filter cartridge 26. By providing a cleaning mechanism 3, during the process of hydraulic oil being transported from the liquid inlet pipe 25 to the liquid outlet pipe 22, the plurality of arc plates 38 on the rotating rod three 35 are driven to rotate, and the connecting disc 37 can limit the range of liquid flow so that it can be completely filtered through the filter hole 27. During the rotation process, the plurality of arc plates 38 can drive the cleaning brush 39 to rotate and scrub the filter hole 27, effectively preventing the residue generated during the hydraulic oil filtration process from adhering to the filter hole 27, avoiding clogging of the filter hole 27, thereby ensuring the normal operation of the hydraulic oil filtration system and extending the service life of the filter cartridge 26.

[0031] A specific application of the present embodiment is as follows: by providing a filtering mechanism 2, after the front end of the rotating rod 1 31 is fixedly connected to the output end of the external motor, the left side of the liquid inlet pipe 25 can be connected to the hydraulic oil, so that when the rotating rod 1 31 rotates, it can drive the rotating rod 2 33 to rotate relatively through the meshing effect of the oil pressure gear 1 32 and the oil pressure gear 2 34, so as to draw the hydraulic oil into the interior of the filter cartridge 26. After the hydraulic oil is filtered through the multiple filter holes 27 on the filter cartridge 26, the flow path of the connecting pipe 23, the liquid inlet pipe 1 21 and the interior of the housing 1 is driven to the liquid outlet pipe 22 for extraction under the action of the two oil pressure gears 1 32 and the oil pressure gear 2 34. In this process, the filter holes 27 play a vital filtering role. The filter holes 27 are cleverly designed and can effectively intercept various impurities in the hydraulic oil, such as metal chips, dust, fibers, etc. If these impurities enter the hydraulic system, they will cause serious damage to the hydraulic components, such as wearing the cylinder, blocking the oil circuit, damaging the valve, etc., and eventually cause the hydraulic system to fail to work properly or even malfunction. Therefore, the existence of the filter hole 27 is important to ensure the stability and reliable operation of the hydraulic system;

[0032] By providing a cleaning mechanism 3, the two limit rings 36 cooperate with each other, so that the rotating rod three 35 will not slip when rotating on the filter cartridge 26, thereby ensuring the stability of the rotating rod three 35 when rotating, and in the process of hydraulic oil being transported from the liquid inlet pipe 25 to the liquid outlet pipe 22, the multiple arc plates 38 on the rotating rod three 35 will be pushed to rotate, and the connecting disc 37 can limit the range of liquid flow, so that it can be completely filtered through the filter hole 27, and the multiple arc plates 38 can drive the cleaning brush 39 to rotate and brush the filter hole 27 during the rotation process, effectively preventing the residue generated during the hydraulic oil filtration process from adhering to the filter hole 27 and avoiding the clogging of the filter hole 27, thereby ensuring the normal operation of the hydraulic oil filtration system and extending the service life of the filter cartridge 26. After being removed, the residue will be brought to the drain pipe 28 by the rotating cleaning brush 39. When there is a lot of residue, the threaded plug 29 can be twisted to open it so that the residue can be discharged, thereby greatly improving the cleaning efficiency of the residue.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A hydraulic pump with a hydraulic oil impurity filtering function, comprising a housing (1), characterized in that: The housing (1) is provided with a filtering mechanism (2) and a cleaning mechanism (3), wherein the filtering mechanism (2) comprises a filtering component and a connecting component; The connection assembly comprises a first liquid inlet pipe (21) and a liquid outlet pipe (22) which are arranged on the outer wall of the housing (1) in communication with each other; the left end of the first liquid inlet pipe (21) is arranged in communication with a connection pipe (23); the left end of the connection pipe (23) is arranged in communication with a fixed sleeve (24); the left end of the fixed sleeve (24) is arranged in communication with a second liquid inlet pipe (25); the right side of the second liquid inlet pipe (25) is arranged in communication with a filter cartridge (26); the filter cartridge (26) is arranged inside the fixed sleeve (24); and a plurality of filter holes (27) are provided on the outer wall of the fixed sleeve (24).

2. A hydraulic pump with hydraulic oil impurity filtering function according to claim 1, characterized in that: The connection assembly comprises a sewage discharge pipe (28) connected to the outer wall of the filter cartridge (26), the end of the sewage discharge pipe (28) being fixedly extended to the outside of the fixed sleeve (24), and the bottom end of the fixed sleeve (24) is threadedly connected to a threaded plug (29).

3. A hydraulic pump with hydraulic oil impurity filtering function according to claim 2, characterized in that: The cleaning mechanism (3) comprises a transmission assembly and a cleaning assembly, wherein the transmission assembly comprises a rotating rod 1 (31) and a rotating rod 2 (33) which are rotatably connected to the inner wall of the outer shell (1), the front ends of the rotating rod 1 (31) and the rotating rod 2 (33) are both rotatably extended to the front side of the outer shell (1), the outer wall of the rotating rod 1 (31) is fixedly connected to an oil pressure gear 1 (32), and the outer wall of the rotating rod 2 (33) is fixedly connected to an oil pressure gear 2 (34).

4. A hydraulic pump with hydraulic oil impurity filtering function according to claim 3, characterized in that: The oil pressure gear 1 (32) and the oil pressure gear 2 (34) are both arranged inside the housing (1), and the oil pressure gear 2 (34) is meshed with the oil pressure gear 1 (32).

5. The hydraulic pump with hydraulic oil impurity filtering function according to claim 4, characterized in that: The cleaning assembly comprises a rotating rod three (35) which rotates and passes through the filter cartridge (26); the outer wall of the rotating rod three (35) is fixedly connected to two limiting rings (36); the two limiting rings (36) are respectively slidably connected to the front side and the inner wall of the filter cartridge (26).

6. The hydraulic pump with hydraulic oil impurity filtering function according to claim 5, characterized in that: Two connecting discs (37) are fixedly connected to the outer wall of the rotating rod three (35); the two connecting discs (37) are symmetrically distributed inside the filter cartridge (26); and the two connecting discs (37) are slidably connected to the inner wall of the filter cartridge (26).

7. The hydraulic pump with hydraulic oil impurity filtering function according to claim 6, characterized in that: A plurality of arc-shaped plates (38) are fixedly connected to the outer wall of the rotating rod three (35); the front and rear sides of the plurality of arc-shaped plates (38) are respectively fixedly connected to two connecting discs (37); a cleaning brush (39) is fixedly connected to one side of the plurality of arc-shaped plates (38) away from the rotating rod three (35); and the plurality of cleaning brushes (39) are in contact with the inner wall of the filter cartridge (26).

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