Hydraulic filtering device of hydraulic system

Abstract

The utility model relates to the field of filtering, in particular to a hydraulic filtering device of a hydraulic system. The utility model aims to provide a hydraulic filter device of a hydraulic system, which is convenient to disassemble and clean. The hydraulic filter device comprises a mounting pipe, a liquid inlet pipe, a pipe cover, a connecting pipe, a filter element, a fixing frame and the like, a liquid outlet is formed in the middle of the pipe cover on the right side; a connecting pipe is connected to the inner side of the mounting pipe; a filter element is mounted at the bottom in the connecting pipe; the right side of the filter element is communicated with the pipe cover on the right side; the fixing frame is pulled rightwards to drive the filter screen to move rightwards and be pushed out, the filter screen can be taken down to be further cleaned, and therefore people can disassemble and clean the filter screen conveniently.

Description

Technical Field

[0001] The utility model relates to the field of filtering, in particular to a hydraulic filtering device of a hydraulic system. Background Art

[0002] Hydraulic filters are important and indispensable hydraulic system accessories in hydraulic technology. Since the birth of hydraulic technology, micro-particle pollution in hydraulic systems has become a major enemy of the development of hydraulic technology. The function of hydraulic filters is to filter out various impurities in the liquid.

[0003] The patent authorization announcement number is CN217381125U, and the announcement date is 2022-09-06. It discloses a filtering device for a hydraulic system, including a device housing, a discharge seat is provided at the center position of the upper end surface of the device housing, the lower end of the discharge seat is located on the inner side of the device housing and a connecting rod is provided, and seven filter fans are provided at the lower end of the connecting rod. The outer side of the filter fan is located on the lower end surface of the connecting rod and a filter element is provided. The lower end of the filter element is located on the inner wall of the bottom end of the device housing and a support frame is provided.

[0004] When filtering hydraulic oil in the above patent, the filter fan and the filter screen need to be disassembled and cleaned after filtering is completed. Since the filter fan and the filter screen are installed inside the patent, it is inconvenient to clean and disassemble them.

[0005] In summary, there is an urgent need for a hydraulic filter device for a hydraulic system that is easy to disassemble and clean to solve the above problems. Utility Model Content

[0006] In order to overcome the disadvantage of the existing filtering device that the filter screen is inconvenient to disassemble and clean, the utility model aims to provide a hydraulic filtering device for a hydraulic system which is easy to disassemble and clean.

[0007] The technical solution of the utility model is:

[0008] A hydraulic filtering device for a hydraulic system comprises a mounting pipe, a liquid inlet pipe, a pipe cover, a connecting pipe, a filter element, a fixed frame, a filter screen, a pulling frame, a pushing plate and a collecting frame, wherein the top of the mounting pipe is connected with a liquid inlet pipe, pipe covers are installed on both the left and right sides of the mounting pipe, a liquid outlet is opened in the middle of the pipe cover on the right side, a connecting pipe is connected to the inner side of the mounting pipe, a filter element is installed at the bottom of the connecting pipe, the right side of the filter element is connected with the pipe cover on the right side, a fixing frame is slidably arranged on the upper part of the mounting pipe, a filter screen is connected to the fixing frame, a pulling frame is slidably arranged on the upper part of the mounting pipe, the pulling frame is located on the filter screen and is slidably connected to the mounting pipe, a pushing plate is connected to the right side of the pulling frame, the pushing plate is in contact with the filter screen, a collecting frame is connected to the left inner side of the connecting pipe, and the top of the collecting frame is connected with the fixing frame.

[0009] Preferably, a brush plate is also included, and the right part of the pulling frame is connected with the brush plate, and the brush plate is located on the left side of the pushing plate.

[0010] Preferably, it also includes a parcel rack, a limit block, a baffle and a fixed rod. The front and rear sides of the inner wall of the connecting tube are symmetrically connected with the fixed rods, the baffle is connected between the four fixed rods, the limit block is connected to the bottom of the fixed rod, the parcel rack is connected between the four limit blocks, the parcel rack is fixedly connected to the baffle, and the parcel rack wraps the lower outer side of the filter element.

[0011] Preferably, handles are connected to the outer sides of the two tube covers.

[0012] Preferably, both the fixed frame and the pulling frame are provided with square holes.

[0013] Preferably, the liquid inlet pipe is provided with two liquid inlets.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model pulls the fixing frame to the right to drive the filter to move to the right and push it out, so that the filter can be removed for further cleaning, thereby making it convenient for people to disassemble and clean the filter.

[0016] 2. The parcel rack and baffle of the utility model can block the lower part of the filter element, so that the hydraulic oil is concentrated on the upper part of the filter element for filtering. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a cross-sectional view of the installation pipe, liquid inlet pipe and pipe cover of the utility model after being cut open;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the fixing frame, filter screen, pulling frame and other components of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the filter element, parcel rack, limit block and other components of the utility model.

[0021] Figure numbers: 1-installation pipe, 2-liquid inlet pipe, 3-pipe cover, 4-connecting pipe, 5-filter element, 6-fixing frame, 7-filter net, 8-pull frame, 9-push plate, 10-brush plate, 11-collection frame, 12-package rack, 13-limiting block, 14-baffle, 15-fixing rod. DETAILED DESCRIPTION

[0022] The utility model is described in detail below in conjunction with the accompanying drawings.

[0023] Embodiment: A hydraulic filter device for a hydraulic system, such as Figure 1-Figure 4 As shown, it includes a mounting tube 1, a liquid inlet tube 2, a tube cover 3, a connecting tube 4, a filter element 5, a fixing frame 6, a filter screen 7, a pulling frame 8, a pushing plate 9, a brushing plate 10, a collecting frame 11, a parcel rack 12, a limiting block 13, a baffle 14 and a fixing rod 15. The top of the mounting tube 1 is connected with a liquid inlet tube 2, and the liquid inlet tube 2 is provided with two liquid inlets. Tube covers 3 are installed on both sides of the mounting tube 1. A liquid outlet is opened in the middle of the tube cover 3 on the right side. Handles are welded on the outsides of the two tube covers 3. A connecting tube 4 is connected to the inside of the mounting tube 1. A filter element 5 is detachably installed on the bottom of the connecting tube 4. The right side of the filter element 5 is connected to the tube cover 3 on the right side. The filter element 5 is used to filter the hydraulic oil. A fixing frame 6 is slidably arranged on the upper part of the mounting tube 1. A filter screen 7 is welded on the fixing frame 6. Pulling the fixing frame 6 to the right can drive the filter screen 7 to move to the right and be taken out, so as to facilitate disassembly and cleaning. A pulling frame 8 is slidingly arranged on the upper part, and the pulling frame 8 is located on the filter screen 7 and is slidingly connected to the mounting tube 1. Square holes are opened on the fixed frame 6 and the pulling frame 8. A pushing plate 9 is connected to the right side of the pulling frame 8, and the pushing plate 9 contacts the filter screen 7. The pushing plate 9 moves to the left to push out impurities. A brush plate 10 is welded to the right side of the pulling frame 8, and the brush plate 10 is located on the left side of the pushing plate 9. A collecting frame 11 is welded to the left side of the inner side of the connecting pipe 4, and the top of the collecting frame 11 is connected to the fixed frame 6. Fixed rods 15 are symmetrically connected to the front and back sides of the inner wall of the connecting pipe 4, and a baffle 14 is connected between the four fixed rods 15. A limiting block 13 is connected to the bottom of the fixed rod 15, and a parcel rack 12 is connected between the four limiting blocks 13. The parcel rack 12 is fixedly connected to the baffle 14, and the parcel rack 12 wraps the lower outer side of the filter element 5. The parcel rack 12 and the baffle 14 are used to filter the hydraulic oil in a centralized manner.

[0024] When the device is needed, first connect the pipe cover 3 on the right side with the pipeline, then pour the hydraulic oil into the liquid inlet pipe 2, so that it enters the installation pipe 1 through the liquid inlet pipe 2. When the hydraulic oil flows downward, it can be filtered through the filter screen 7. The filtered hydraulic oil will continue to flow downward into the filter element 5. The parcel frame 12 and the baffle 14 can block the lower half of the filter element 5, so that the hydraulic oil is concentrated on the upper part of the filter element 5, and the hydraulic oil is filtered twice through the filter element 5. After filtering, the hydraulic oil will flow into the pipeline through the pipe cover 3 on the right side, and flow through the pipeline to the designated Position, and then complete the filtration of the hydraulic oil. After the filtration is completed, people need to pull the pulling frame 8 to the left, driving the pushing plate 9 and the brushing plate 10 to move to the left, and the pushing plate 9 and the brushing plate 10 can push the impurities filtered out of the filter screen 7 to the left, so that the impurities fall into the collecting frame 11. After the impurities are processed, the pulling frame 8 is pushed to the right to reset, and then the fixed frame 6 is pulled to the right, driving the filter screen 7 to move to the right and push it out, the filter screen 7 can be removed for further cleaning, thereby making it convenient for people to disassemble and clean the filter screen 7. After cleaning, it can be put back in place.

Claims

1. A hydraulic filter device for a hydraulic system, comprising a mounting pipe (1), a liquid inlet pipe (2), a pipe cover (3), a connecting pipe (4) and a filter element (5), wherein the liquid inlet pipe (2) is connected to the top of the mounting pipe (1), the pipe cover (3) is installed on the left and right sides of the mounting pipe (1), a liquid outlet is opened in the middle of the right pipe cover (3), the connecting pipe (4) is connected to the inner side of the mounting pipe (1), the filter element (5) is installed at the inner bottom of the connecting pipe (4), the right side of the filter element (5) is connected to the right side of the pipe cover (3), and the characteristics are: It also includes a fixed frame (6), a filter screen (7), a pulling frame (8), a push plate (9) and a collection frame (11), wherein the fixed frame (6) is slidably arranged on the upper part of the mounting tube (1), the filter screen (7) is connected to the fixed frame (6), the pulling frame (8) is slidably arranged on the upper part of the mounting tube (1), the pulling frame (8) is located on the filter screen (7) and is slidably connected to the mounting tube (1), the push plate (9) is connected to the right side of the pulling frame (8), the push plate (9) is in contact with the filter screen (7), the collection frame (11) is connected to the inner left part of the connecting tube (4), and the top of the collection frame (11) is connected to the fixed frame (6).

2. A hydraulic filter device for a hydraulic system according to claim 1, characterized in that: It also includes a brush plate (10), which is connected to the right part of the pulling frame (8) and is located on the left side of the pushing plate (9).

3. A hydraulic filter device for a hydraulic system as claimed in claim 2, characterized in that: It also comprises a wrapping rack (12), a stop block (13), a baffle (14) and a fixing rod (15), wherein the fixing rod (15) is symmetrically connected to the front and rear sides of the inner wall of the connecting pipe (4), the baffle (14) is connected between four fixing rods (15), the stop block (13) is connected to the bottom of the fixing rod (15), the wrapping rack (12) is connected between the four stop blocks (13), the wrapping rack (12) is fixedly connected to the baffle (14), and the wrapping rack (12) wraps the lower outer side of the filter element (5).

4. A hydraulic filter device for a hydraulic system as claimed in claim 1, characterized in that: The outer sides of the two tube covers (3) are both connected with handles.

5. A hydraulic filter device for a hydraulic system as claimed in claim 1, characterized in that: The fixing frame (6) and the pulling frame (8) are both provided with square holes.

6. A hydraulic filter device for a hydraulic system as claimed in claim 1, characterized in that: The liquid inlet pipe (2) is provided with two liquid inlets.

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