Filter for agricultural machinery

Abstract

The filter for the agricultural machinery comprises a base, an air guide pipe is fixedly arranged on the base, the end, close to the base, of the air guide pipe is arranged in a closed mode, a plurality of air suction openings are formed in the side wall of the air guide pipe in the circumferential direction, a filter screen is arranged on the air guide pipe in a sleeved mode, and the filter screen is arranged in an annular mode. And the filter screen covers the plurality of exhaust inlets and is connected with the base through a connecting mechanism. According to the air inlet device, air sucked by the agricultural machine can be effectively filtered, dust particles are prevented from entering an engine, the filter screen can be rapidly detached and replaced, and the situation that the air inlet efficiency is affected due to dust accumulation on the filter screen is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of air intake filtering for agricultural machinery, in particular to a filter for agricultural machinery. Background Art

[0002] Filter refers to an accessory that filters impurities or gases through filter paper. It generally refers to automobile filters, which are engine accessories. According to different filtering functions, they are divided into: oil filters, fuel filters (gasoline filters, diesel filters, oil-water separators, hydraulic filters), air filters, air conditioning filters, etc.; air filters are often used in agricultural machinery, mainly as an intake device to filter particles and impurities in the air inhaled by piston generator sets when they are working.

[0003] In the prior art, filters used in traditional agricultural machinery often have a lot of dust adhered to the filter screen after long-term use, which greatly affects the efficiency of air intake. The traditional solution is to disassemble and replace the filter as a whole, which is more laborious and inefficient. Therefore, we propose a filter for agricultural machinery to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: the traditional way of dealing with dust accumulation on the filter screen is to disassemble and replace the entire filter, which is inefficient, and a filter for agricultural machinery is proposed.

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

[0006] A filter for agricultural machinery comprises a base, an air duct is fixedly arranged on the base, the end of the air duct close to the base is closed, and a plurality of air suction ports are circumferentially opened on the side wall of the air duct, a filter screen is sleeved on the air duct, the filter screen is arranged in an annular shape, and the filter screen covers a plurality of air suction ports, and the filter screen is connected to the base through a connecting mechanism.

[0007] Preferably, the connecting mechanism includes a fixed ring plate, the filter is fixedly arranged on the fixed ring plate, the opening on the fixed ring plate is arranged corresponding to the air duct, and the fixed ring plate is sleeved on the air duct, a fixing groove corresponding to the fixed ring plate is opened on the base, and a pushing mechanism corresponding to the fixed ring plate is arranged in the fixed groove.

[0008] Preferably, the pushing mechanism includes a plurality of first springs, which are fixedly arranged on the inner wall of the fixing groove, and are circumferentially arranged corresponding to the fixing ring plate, the fixing ring plate is pressed against the first springs, and a limiting mechanism corresponding to the fixing ring plate is also provided in the fixing groove.

[0009] Preferably, the limiting mechanism includes two clamping blocks, and telescopic grooves corresponding to the clamping blocks are provided on both side walls of the fixed groove. The two clamping blocks are respectively slidably arranged in the two telescopic grooves, and the two clamping blocks are connected to the inner wall of the telescopic groove through a second spring. Two clamping grooves corresponding to the clamping blocks are symmetrically provided on the side wall of the fixed ring plate, and the side walls of the two clamping blocks close to the opening of the fixed groove are inclined, and the two clamping blocks are also provided with corresponding toggle mechanisms.

[0010] Preferably, the toggle mechanism comprises two toggle rods, which are respectively fixed on two clamping blocks, and both of the toggle rods are slidably arranged through the upper wall of the base, and two strip-shaped sliding openings corresponding to the toggle rods are symmetrically provided on the base.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: through the cooperation between the air duct and the air intake port, the air sucked by the air duct is discharged from the air intake port, and then the filter screen is covered on the air intake port to complete the filtering of the intake air, thereby preventing dust from entering the engine; through the cooperation between the clamping block and the clamping groove, the fixing of the fixed ring plate on the base is achieved, thereby preventing the filter screen from loosening and affecting the filtering effect; by setting a lever, the clamping block is controlled, and the clamping block can be driven to slide out of the clamping groove by toggling the lever, thereby releasing the fixing of the fixed ring plate on the base; under the action of the first spring, the fixed ring plate will pop out of the fixing groove, thereby enabling the filter screen to be quickly disassembled, facilitating the cleaning or replacement of the filter screen, thereby preventing dust from accumulating on the filter screen, and ensuring the air intake efficiency and filtering effect of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural schematic diagram of a filter for agricultural machinery proposed by the utility model;

[0013] Figure 2 This is a schematic diagram of the top view of a filter for agricultural machinery proposed by the utility model;

[0014] Figure 3 for Figure 1 Schematic diagram of the structure at A in the middle.

[0015] In the figure: 1 base, 2 air guide tube, 3 air suction port, 4 filter screen, 5 fixed ring plate, 6 fixed groove, 7 first spring, 8 clamping block, 9 telescopic groove, 10 second spring, 11 lever, 12 strip sliding port, 13 clamping groove. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0017] Reference Figure 1-Figure 3 A filter for agricultural machinery includes a base 1, an air duct 2 is fixedly arranged on the base 1, the end of the air duct 2 close to the base 1 is closed, and a plurality of air suction ports 3 are opened circumferentially on the side wall of the air duct 2, a filter screen 4 is sleeved on the air duct 2, the filter screen 4 is arranged in an annular shape, and the filter screen 4 covers a plurality of air suction ports 3, and the filter screen 4 is connected to the base 1 through a connecting mechanism, and the connecting mechanism includes a fixed ring plate 5, the filter screen 4 is fixedly arranged on the fixed ring plate 5, the opening on the fixed ring plate 5 is arranged corresponding to the air duct 2, and the fixed ring plate 5 is sleeved on the air duct 2, and a fixed ring plate 5 corresponding to the fixed ring plate 5 is opened on the base 1 The fixed groove 6 is provided with a pushing mechanism corresponding to the fixed ring plate 5, the pushing mechanism includes a plurality of first springs 7, the plurality of first springs 7 are fixedly arranged on the inner wall of the fixed groove 6, and the plurality of first springs 7 are circumferentially arranged corresponding to the fixed ring plate 5, the fixed ring plate 5 is arranged to press the first spring 7, the fixed groove 6 is also provided with a limiting mechanism corresponding to the fixed ring plate 5, the limiting mechanism includes two clamping blocks 8, the side walls on both sides of the fixed groove 6 are provided with telescopic grooves 9 corresponding to the clamping blocks 8, the two clamping blocks 8 are respectively slidably arranged in the two telescopic grooves 9, and the two clamping blocks 8 are connected to the inner wall of the telescopic groove 9 through the second spring 10, the fixed groove 6 is provided with a plurality of first springs 7, and the plurality of first springs 7 are arranged corresponding to the fixed ring plate 5 in the circumferential direction, the fixed ring plate 5 is arranged to press the first spring 7, the fixed groove 6 is also provided with a limiting mechanism corresponding to the fixed ring plate 5, the limiting mechanism includes two clamping blocks 8, the side walls on both sides of the fixed groove 6 are provided with telescopic grooves 9 corresponding to the clamping blocks 8, the two clamping blocks 8 are respectively slidably arranged in the two telescopic grooves 9, and the two clamping blocks 8 are connected to the inner wall of the telescopic groove 9 through the second spring 10, Two card slots 13 corresponding to the card blocks 8 are symmetrically provided on the side wall of the fixed ring plate 5. The side walls of the two card blocks 8 close to the opening of the fixed groove 6 are inclined, and the two card blocks 8 are also provided with a corresponding toggle mechanism, which includes two toggle rods 11, which are fixedly provided on the two card blocks 8, respectively, and the two toggle rods 11 are slidably penetrated through the upper wall of the base 1, and the base 1 is symmetrically provided with two strip sliding openings 12 corresponding to the toggle rods 11. Through the cooperation of the air guide pipe 2 and the air suction port 3, the air suctioned by the air guide pipe 2 is discharged from the air suction port 3, and then the air intake is completed by covering the filter screen 4 on the air suction port 3. Filtering to prevent dust from entering the engine, the fixing ring plate 5 is fixed on the base 1 through the cooperation of the block 8 and the slot 13, and the filter screen 4 is prevented from loosening and affecting the filtering effect. The control of the block 8 is achieved by setting the lever 11. The block 8 can be driven to slide out of the slot 13 by toggling the lever 11, so that the fixing of the ring plate 5 on the base 1 can be released. Under the action of the first spring 7, the fixing ring plate 5 will pop out from the fixing slot 6, so that the filter screen 4 can be quickly disassembled, which is convenient for cleaning or replacing the filter screen 4, avoiding dust accumulation on the filter screen 4, and ensuring the air intake efficiency and filtering effect of the filter screen 4.

[0018] In the utility model, after the filter in the agricultural machinery has been used for a long time, when a lot of dust is accumulated on the filter 4, it is only necessary to toggle the lever 11 to drive the block 8 to slide out of the slot 13, so that the fixing ring plate 5 on the base 1 can be released. Under the action of the first spring 7, the fixing ring plate 5 will pop out from the fixing slot 6, so that the filter 4 can be quickly disassembled, and the filter 4 can be quickly cleaned or replaced without disassembling the entire filter, which greatly improves the disassembly efficiency and ensures the air intake efficiency of the filter 4.

[0019] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A filter for agricultural machinery, comprising a base (1), characterized in that: An air duct (2) is fixedly arranged on the base (1); one end of the air duct (2) close to the base (1) is closed, and a plurality of air suction ports (3) are circumferentially opened on the side wall of the air duct (2); a filter screen (4) is sleeved on the air duct (2); the filter screen (4) is arranged in an annular shape and covers the plurality of air suction ports (3); and the filter screen (4) is connected to the base (1) via a connecting mechanism.

2. The filter for agricultural machinery according to claim 1, characterized in that: The connection mechanism comprises a fixed ring plate (5), the filter screen (4) is fixedly arranged on the fixed ring plate (5), an opening on the fixed ring plate (5) is arranged corresponding to the air guide tube (2), and the fixed ring plate (5) is sleeved on the air guide tube (2), a fixed groove (6) corresponding to the fixed ring plate (5) is opened on the base (1), and a pushing mechanism corresponding to the fixed ring plate (5) is arranged in the fixed groove (6).

3. The filter for agricultural machinery according to claim 2, characterized in that: The pushing mechanism comprises a plurality of first springs (7), the plurality of first springs (7) being fixedly arranged on the inner wall of the fixing groove (6), and the plurality of first springs (7) being circumferentially arranged corresponding to the fixing ring plate (5), the fixing ring plate (5) being arranged to press the first springs (7), and a limiting mechanism corresponding to the fixing ring plate (5) is also arranged in the fixing groove (6).

4. The filter for agricultural machinery according to claim 3, characterized in that: The limiting mechanism comprises two clamping blocks (8), and telescopic grooves (9) corresponding to the clamping blocks (8) are provided on the side walls on both sides of the fixed groove (6). The two clamping blocks (8) are respectively slidably arranged in the two telescopic grooves (9), and the two clamping blocks (8) are connected to the inner wall of the telescopic groove (9) through a second spring (10). Two clamping grooves (13) corresponding to the clamping blocks (8) are symmetrically provided on the side wall of the fixed ring plate (5), and the side walls of the two clamping blocks (8) close to the opening of the fixed groove (6) are both inclined, and the two clamping blocks (8) are also provided with corresponding toggling mechanisms.

5. The filter for agricultural machinery according to claim 4, characterized in that: The toggle mechanism comprises two toggle rods (11), the two toggle rods (11) are respectively fixedly arranged on two clamping blocks (8), and the two toggle rods (11) are both slidably arranged to penetrate the upper wall of the base (1), and the base (1) is symmetrically provided with two strip-shaped sliding openings (12) corresponding to the toggle rods (11).

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