Oil filter for engineering machinery

Abstract

The utility model discloses an oil filter for engineering machinery, and relates to the technical field of oil filters, the oil filter comprises an oil filter assembly, a first support assembly is connected in an inner cavity of the oil filter assembly, a cleaning assembly is connected in an inner cavity of the first support assembly, and a round cleaning plate moves upwards by pulling a round pull rod upwards, so that the oil filter is cleaned. In the upward moving process of a circular cleaning plate, the inner wall of an oil filtering cavity can be cleaned, cleaned impurities are driven to move upwards till the circular cleaning plate makes contact with the lower end surface of a first circular connecting block, at the moment, a circular connecting rod is rotated till a second rectangular connecting block is separated from a second rectangular feeding opening, and then the oil filtering cavity is cleaned. According to the oil filtering device, the cleaning assembly is fixed, impurities generated after cleaning of the circular cleaning plate are collected, in this way, the circular cleaning plate can be driven by pulling the circular connecting rod to clean the oil filtering cavity, the impurities remaining in the inner cavity of the oil filtering cavity are reduced, and then the time needed for cleaning is shortened; and the oil filtering efficiency of the oil filtering cavity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil filter technical field more specifically, relate to an oil filter for engineering machinery. BACKGROUND

[0002] Engineering machinery is an important component of equipment industry. In general, all earthwork construction projects, pavement construction and maintenance, mobile hoisting and unloading operations and comprehensive mechanized construction projects required by various construction projects are necessary mechanical equipment, which is called engineering machinery.

[0003] The oil filter is generally a filter device for filtering hydraulic oil, which is generally composed of a shell and a filter element. The oil filter for engineering machinery currently mainly performs filtering operation through the filter holes formed on the surface of the oil filter cavity. However, during long-term use of the oil filter, impurities may be left in the inner cavity of the oil filter cavity. At this time, the operator will take out the oil filter and clean the inner cavity of the oil filter cavity manually. Thus, the manual cleaning of the oil filter will consume a lot of time and reduce the working efficiency of the oil filter. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an oil filter for engineering machinery to solve the problems in the above background technology.

[0005] An oil filter for engineering machinery comprises an oil filtering assembly, a first support assembly is connected in the inner cavity of the oil filtering assembly, and a cleaning assembly is connected in the inner cavity of the first support assembly.

[0006] Preferably, the oil filtering assembly comprises an oil filter cavity, a plurality of filter holes are formed on the outer surface of the oil filter cavity, a first L-shaped fixed sliding groove is formed on the upper end surface of the oil filter cavity, and a rectangular feeding port is formed at the junction of the upper end of the first L-shaped fixed sliding groove and the top end of the oil filter cavity.

[0007] Preferably, the first support assembly comprises a first circular connecting block, a plurality of first rectangular connecting blocks are connected to the outer surface of the first circular connecting block, a circular hole is formed in the middle part of the first circular connecting block, a first connecting groove is formed in one end of the first circular connecting block facing the inner cavity of the oil filter cavity, a second rectangular feeding port is formed at the junction of the first connecting groove and the lower end surface of the first circular connecting block, and the first connecting groove is a semicircular groove.

[0008] Preferably, the cleaning assembly comprises a circular cleaning plate, an upper end of the circular cleaning plate is connected with a circular connecting rod, a second rectangular connecting block is connected to an outer side surface of one end of the circular connecting rod towards the circular cleaning plate, a circular sealing groove is formed in an upper end of the circular connecting rod, a placing groove is formed below the circular sealing groove, a pulling assembly is placed in an inner cavity of the placing groove, a sealing cover plate is connected to the inner cavity of the circular sealing groove, and the sealing cover plate is rotationally connected with the circular connecting rod, the sealing cover plate is matched with the circular sealing groove, and the second rectangular connecting block is matched with the first connecting groove.

[0009] Preferably, the pulling assembly comprises a circular pulling rod, a second circular connecting block is connected to a lower end of the circular pulling rod, a third rectangular connecting block is connected to an outer side surface of the second circular connecting block, the second circular connecting block is matched with the circular sealing groove, a second arc-shaped groove is formed in the inner cavity of the circular sealing groove, and the circular hole is matched with the circular connecting rod.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1) In the utility model, the circular cleaning plate is pulled upwards, the inner wall of the oil filter cavity is cleaned, and the impurities after cleaning are moved upwards until the lower end surface of the first circular connecting block is contacted, the circular connecting rod is rotated until the second rectangular connecting block is separated from the second rectangular feeding port, the cleaning assembly is fixed, the impurities after cleaning of the circular cleaning plate are collected, the oil filter cavity is cleaned by pulling the circular connecting rod to drive the circular cleaning plate, the impurities remaining in the oil filter cavity are reduced, the time required for cleaning is reduced, and the oil filtering efficiency of the oil filter cavity is improved.

[0012] 2) In the utility model, the first circular connecting block is rotated, the first rectangular connecting block is moved along the first L-shaped fixed sliding groove until the first rectangular connecting block corresponds to the first rectangular feeding port, the first rectangular connecting block is taken out, the oil filtering assembly, the cleaning assembly and the first supporting assembly are separated, the problematic components are replaced, the oil filter has the effect of being disassembled, the problematic components are replaced, the maintenance difficulty of the oil filter is reduced, and the service life of the oil filter is increased. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is an oil filtering assembly structure schematic view of the utility model;

[0015] Figure 3 It is the first support assembly structure schematic view of the utility model;

[0016] Figure 4 It is the cleaning assembly structure schematic view of the utility model;

[0017] Figure 5 It is the pulling assembly structure schematic view of the utility model.

[0018] Mark explanation in drawing: 1, oil filter assembly;101, oil filter cavity;102, oil filter hole;103, first L type fixed sliding groove;2, first support assembly;201, first circular connecting block;202, first rectangular connecting block;203, circular hole;204, first connecting groove;3, cleaning assembly;301, circular cleaning plate;302, circular connecting rod;303, second rectangular connecting block;304, placing groove;305, pulling assembly;306, circular sealing groove;308, sealing cover plate;309, circular pulling rod;310, second circular connecting block;311, third rectangular connecting block. Specific implementation

[0019] Embodiment: please see Figure 1 An oil filter for engineering machinery, comprising an oil filter assembly 1, a first support assembly 2 is connected in the inner cavity of the oil filter assembly 1, and a cleaning assembly 3 is connected in the inner cavity of the first support assembly 2.

[0020] Please see Figure 2 The oil filter assembly 1 comprises an oil filter cavity 101, a plurality of oil filter holes 102 are formed in the outer surface of the oil filter cavity 101, a first L type fixed sliding groove 103 is formed in the upper end surface of the oil filter cavity 101, and a rectangular feed inlet is formed at the junction of the upper end of the first L type fixed sliding groove 103 and the top end of the oil filter cavity 101.

[0021] Please see Figure 3 The first support assembly 2 comprises a first circular connecting block 201, a plurality of first rectangular connecting blocks 202 are connected to the outer surface of the first circular connecting block 201, a circular hole 203 is formed in the middle part of the first circular connecting block 201, a first connecting groove 204 is formed in the end of the first circular connecting block 201 facing the inner cavity of the oil filter cavity 101, a second rectangular feed inlet is formed at the junction of the first connecting groove 204 and the lower end surface of the first circular connecting block 201, and the first connecting groove 204 is a semicircular groove.

[0022] Please see Figure 4, the cleaning assembly 3 comprises a circular cleaning plate 301, the upper end of the circular cleaning plate 301 is connected with a circular connecting rod 302, the outer side surface of one end of the circular connecting rod 302 is connected with a second rectangular connecting block 303, and the upper end of the circular connecting rod 302 is provided with a circular sealing groove 306, a placing groove 304 is arranged below the circular sealing groove 306, a pulling assembly 305 is arranged in the inner cavity of the placing groove 304, a sealing cover plate 308 is connected in the inner cavity of the circular sealing groove 306, and the sealing cover plate 308 is rotationally connected with the circular connecting rod 302, the sealing cover plate 308 is matched with the circular sealing groove 306, the second rectangular connecting block 303 is matched with the first connecting groove 204, and the upper end surface of the sealing cover plate 308 is connected with a rectangular pull block.

[0023] Please refer to Figure 5 , the pulling assembly 305 comprises a circular pulling rod 309, the lower end of the circular pulling rod 309 is connected with a second circular connecting block 310, the outer side surface of the second circular connecting block 310 is connected with a third rectangular connecting block 311, the second circular connecting block 310 is matched with the second circular connecting block 310 and the circular sealing groove 306, a second arc-shaped groove is formed in the inner cavity of the circular sealing groove 306, and the circular hole is matched with the circular connecting rod 302.

[0024] Working principle: when the oil filtering operation is needed, the oil to be filtered is conveyed into the oil filtering cavity 101, then the filtered oil is conveyed to the engineering machinery through the oil filtering hole 102, and the impurities after filtering are left in the inner cavity of the oil filtering cavity 101, when the oil filtering cavity 101 needs to be cleaned, the sealing cover plate 308 is rotated by pulling the rectangular pull block, until the circular sealing groove 306 is completely exposed, at this time, the third rectangular connecting block 311, the second circular connecting block 310 and the circular pulling rod 309 are moved upwards along the placing groove 304, until the third rectangular connecting block 311 is moved to the second arc-shaped groove, then the circular pulling rod 309 is rotated, until the third rectangular connecting block 311 is in contact with the inner wall of the second arc-shaped groove;

[0025] When the third rectangular connecting block 311 is in contact with the inner wall of the second arc-shaped groove, the circular pulling rod 309 is pulled upward, thereby driving the circular connecting rod 302 to move upward along the circular hole 203, and further driving the circular cleaning plate 301 to move upward. In the process of moving upward, the circular cleaning plate 301 can clean the inner wall of the oil filter cavity 101, and drive the impurities after cleaning to move upward, until the circular cleaning plate 301 contacts the lower end surface of the first circular connecting block 201. At this time, the second rectangular connecting block 303 is located in the inner cavity of the semicircular groove, and the circular connecting rod 302 is rotated, thereby driving the second rectangular connecting block 303 to rotate, until the second rectangular connecting block 303 is separated from the second rectangular feed port, thereby fixing the cleaning assembly 3. Then, the impurities generated after cleaning the circular cleaning plate 301 are collected, thereby reducing the impurities remaining in the inner cavity of the oil filter cavity 101, and further improving the oil filtering efficiency of the oil filter cavity 101.

[0026] If the oil filter has a problem during long-term use, the first circular connecting block 201 can be rotated, and the first rectangular connecting block 202 can be moved along the first L-shaped fixed sliding groove 103, until the first rectangular connecting block 202 corresponds to the first rectangular feed port. Then, the first rectangular connecting block 202 is taken out. At this time, the oil filtering assembly 1, the cleaning assembly 3 and the first supporting assembly 2 can be separated, thereby replacing the problematic assembly. Then, the original position is restored, and the oil filtering operation is performed, thereby ending all operations.

[0027] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An oil filter for engineering machinery, comprising an oil filter assembly (1), characterized in that: The inner cavity of the oil filter assembly (1) is connected to a first support assembly (2), and the inner cavity of the first support assembly (2) is connected to a cleaning assembly (3). The cleaning assembly (3) includes a circular cleaning plate (301), a circular connecting rod (302) is connected to the upper end of the circular cleaning plate (301), a second rectangular connecting block (303) is connected to the outer surface of the end of the circular connecting rod (302) facing the circular cleaning plate (301), and a circular sealing groove (306) is provided at the upper end of the circular connecting rod (302), a placement groove (304) is provided below the circular sealing groove (306), a pulling assembly (305) is placed in the inner cavity of the placement groove (304), and a sealing cover plate (308) is connected in the inner cavity of the circular sealing groove (306).

2. The oil filter for engineering machinery according to claim 1, characterized in that: The oil filter assembly (1) includes an oil filter chamber (101), and a plurality of oil filter holes (102) are provided on the outer surface of the oil filter chamber (101), and a first L-shaped fixed groove (103) is provided on the upper surface of the oil filter chamber (101).

3. The oil filter for engineering machinery according to claim 2, characterized in that: The first support component (2) includes a first circular connecting block (201), a plurality of first rectangular connecting blocks (202) are connected to the outer surface of the first circular connecting block (201), and a circular hole (203) is provided in the middle part of the first circular connecting block (201), and a first connecting groove (204) is provided at one end of the first circular connecting block (201) facing the inner cavity of the oil filter chamber (101).

4. The oil filter for engineering machinery according to claim 3, characterized in that: The pulling assembly (305) includes a circular pulling rod (309), the lower end of which is connected to a second circular connecting block (310), and the outer surface of the second circular connecting block (310) is connected to a third rectangular connecting block (311).

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