Diesel engine air filter convenient to disassemble and assemble

By designing a rotating mechanism and a filtering mechanism in the diesel engine air filter, the problem of slow rising speed after the air is filtered through the oil bath is solved, the effect of improving the air flow rate and filtration efficiency is achieved, and the filter element disassembly and assembly process is simplified.

CN119957392AActive Publication Date: 2025-05-09WUXI TIANJIAN PLASTIC IND CO LTD
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Patent Information

Application Number
CN202510190735.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-05-09
Estimated Expiration
2045-02-20

AI Technical Summary

Technical Problem

The existing air filters rise slowly after the air is filtered through an oil bath, resulting in a lower filtration efficiency.

Method used

A diesel engine air filter is designed for easy disassembly and assembly. By setting a rotating mechanism and a filter mechanism in the filter element housing, the air flow rate is improved by using the coordination of positioning rods, positioning holes, abutment grooves, abutment frames, transparent oil shells and snaps, and thus improving the filtration efficiency.

Benefits of technology

Through the design of the rotating mechanism, when air flows downwards in the air pipe, the blades are driven to rotate, driving the driven fan blades to generate wind force, increase the air flow rate, thereby improving the filtration efficiency and simplifying the disassembly and assembly process of the filter element.

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Abstract

The invention relates to the technical field of air filters, and discloses a diesel engine air filter convenient to disassemble and assemble, which solves the problem of lower filtering efficiency caused by lower rising speed of air filtered by an oil bath at present, and comprises a filter element sleeve shell, an air inlet sleeve shell is arranged at the top of the filter element sleeve shell, and an air outlet sleeve shell is arranged at the bottom of the filter element sleeve shell. An air outlet is formed in the outer side of the filter element sleeve shell, a transparent oil shell is arranged at the bottom of the filter element sleeve shell, a plurality of buckles are arranged between the transparent oil shell and the filter element sleeve shell at equal angles, an air pipe is fixedly connected into the filter element sleeve shell, the top end of the air pipe extends to the outer side of the filter element sleeve shell, and the air inlet sleeve shell is arranged on the outer side of the air pipe in a sleeving mode. A rotating mechanism and a filtering mechanism are arranged in the filter element sleeve shell; the rotating mechanism comprises a connecting pipe positioned at the bottom end of the air pipe; according to the air filtering device, when air flows downwards in the air pipe, the driving blades rotate, then all the driven fan blades can rotate to generate wind power, and therefore the flow speed of the air is conveniently increased to improve the filtering efficiency.
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Description

Technical Field

[0001] The invention belongs to the technical field of air filters, in particular to a diesel engine air filter which is easy to disassemble and assemble. Background Art

[0002] The air filter is mainly composed of two parts: the filter element and the shell. The filter element is the core component of the air filter and is made of special materials. It is mainly responsible for gas filtering, while the shell is the external structure that provides necessary protection for the filter element. The main working principle of the air filter is to block and adsorb impurities in the air through the filter medium. When air flows through the filter, the filter medium will effectively block solid impurities such as dust, pollen, and abrasive particles to prevent them from entering the mechanical equipment or the engine. At the same time, the filter can also absorb moisture, soot, ozone, odor, carbon oxides, SO2, CO2 and other harmful gases and substances in the air to ensure that the air quality entering the mechanical equipment or the engine reaches the best state.

[0003] When in use, the existing air filter generally filters the air multiple times through the airway, the honeycomb filter element and the oil bath. The air rises slowly after being filtered through the oil bath, resulting in low filtering efficiency. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a diesel engine air filter that is easy to disassemble and assemble, which effectively solves the problem that the current air rises slowly after being filtered through the oil bath, resulting in low filtering efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an easily disassembled diesel engine air filter, comprising a filter cartridge housing, an air intake housing is provided on the top of the filter cartridge housing, an air outlet is provided on the outside of the filter cartridge housing, a transparent oil shell is provided on the bottom of the filter cartridge housing, a plurality of buckles are provided at equal angles between the transparent oil shell and the filter cartridge housing, an air pipe is fixedly connected to the inside of the filter cartridge housing, the top of the air pipe extends to the outside of the filter cartridge housing, the air intake housing is sleeved on the outside of the air pipe, and a rotating mechanism and a filtering mechanism are provided inside the filter cartridge housing; The rotating mechanism includes a connecting pipe located at the bottom end of the air pipe, the bottom end of the connecting pipe extends to the inside of the transparent oil shell, an annular groove body is fixedly sleeved on the outside of the connecting pipe, a movable ring is rotatably connected to the annular groove body, a plurality of pillars are fixedly connected at equal angles on the outside of the movable ring, each pillar is fixedly connected to a driven fan blade, an abutment groove is provided at the bottom of the connecting pipe, an abutment frame is fixedly connected to the inside of the transparent oil shell, the abutment frame is inserted into the abutment groove, two positioning rods are symmetrically fixedly connected to the top end of the connecting pipe, two positioning holes are symmetrically provided at the bottom end of the air pipe, and the two positioning rods are respectively inserted into the two positioning holes.

[0006] Preferably, two inner blocks are symmetrically and fixedly connected inside the air pipe, a driving shaft is rotatably connected between the two inner blocks, and a plurality of driving blades are fixedly connected at equal angles on the outer side of the driving shaft.

[0007] Preferably, an L-shaped plate is fixedly installed in the connecting pipe, a horizontal axis is rotatably connected to the L-shaped plate, a transmission standard gear is fixedly installed on the outer side of the horizontal axis, a driving standard gear is fixedly installed on the outer side of the driving shaft, and the driving standard gear is meshingly connected with the transmission standard gear.

[0008] Preferably, a support plate is fixedly installed on the outer side of the connecting pipe, a vertical shaft is rotatably connected to the bottom of the support plate, a driven bevel gear is fixedly installed on the outer side of the vertical shaft, and the end of the horizontal axis away from the L-shaped plate extends to the outer side of the connecting pipe and is fixedly connected to a transmission bevel gear, and the transmission bevel gear is meshingly connected with the driven bevel gear.

[0009] Preferably, a small gear is fixedly mounted on the outer side of the vertical shaft, and a large gear located above the support column is fixedly mounted on the outer side of the movable ring, and the large gear is meshingly connected with the small gear.

[0010] Preferably, a plurality of inner rollers are rotatably connected at equal angles in the annular groove body, and each inner roller abuts against the inner wall of the movable ring.

[0011] Preferably, a plurality of limiting columns are fixedly connected to the top and bottom of the movable ring at equal angles, and a limiting ball abutting against the annular groove is provided at one end of each limiting column away from the movable ring.

[0012] Preferably, the filtering mechanism includes an upper hollow part located inside the filter element casing, a fine-pore honeycomb filter element is sleeved on the outer side of the upper hollow part, a lower hollow part is provided inside the filter element casing, a coarse-pore honeycomb filter element is sleeved on the inner side of the lower hollow part, the top of the coarse-pore honeycomb filter element is abutted against the bottom of the fine-pore honeycomb filter element, and the upper hollow part, the fine-pore honeycomb filter element, the coarse-pore honeycomb filter element and the lower hollow part are all sleeved on the outer side of the trachea.

[0013] Preferably, an inner ring is fixedly connected to the inside of the filter element casing, the upper hollow piece abuts against the bottom of the inner ring, and an abutment ring is fixedly sleeved on the outside of the connecting pipe, and the abutment ring abuts against the bottom of the lower hollow piece.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention facilitates fixing the pipe to the bottom end of the air pipe through the cooperation among the positioning rod, the positioning hole, the abutment groove, the abutment frame, the transparent oil shell and the buckle so that the transmission standard gear is meshed with the driving standard gear, and through the cooperation among the driving shaft, the driving standard gear, the transmission standard gear, the horizontal shaft, the transmission bevel gear, the driven bevel gear, the vertical shaft, the small gear, the large gear, the movable ring, the annular groove body and the pillar, when the air flows downward in the air pipe, the driving blade is rotated, and then each driven fan blade can be rotated to generate wind force, so as to facilitate increasing the flow rate of the air to improve the filtering efficiency; 2. The invention facilitates the support and positioning of the movable ring through the cooperation between the inner roller, the limiting column and the limiting ball, which can ensure the stability of the movable ring during rotation and avoid direct contact between the movable ring and the annular groove body, thereby facilitating the reduction of the friction force on the movable ring during rotation; 3. The invention, through the cooperation between the inner ring and the upper hollow part, as well as the lower hollow part and the abutment ring, can install the fine-pore honeycomb filter element and the coarse-pore honeycomb filter element in the filter element casing when the connecting pipe is fixed to the bottom end of the trachea, thereby facilitating the filtering of the air; when the connecting pipe is removed from the bottom end of the trachea, the fine-pore honeycomb filter element and the coarse-pore honeycomb filter element can be removed from the filter element casing, thereby facilitating the disassembly and assembly of the fine-pore honeycomb filter element and the coarse-pore honeycomb filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0016] In the attached picture: Figure 1 This is a schematic diagram of the structure of a diesel engine air filter that is easy to disassemble and assemble according to the present invention; Figure 2 This is a schematic diagram of the cross-sectional structure of the filter cartridge housing of the present invention; Figure 3 It is a schematic diagram of the structure of the rotating mechanism of the present invention; Figure 4 This is a schematic diagram of the disassembled structure of the connecting pipe and the air pipe of the present invention; Figure 5 This is a schematic diagram of the pipe connection structure of the present invention; Figure 6 This is a schematic diagram of the annular tank structure of the present invention; Figure 7 It is a schematic diagram of the structure of the filtering mechanism of the present invention; Figure 8 It is a schematic diagram of the disassembled structure of the upper hollow part and the lower hollow part of the present invention.

[0017] In the figure: 1, filter element casing; 2, rotating mechanism; 201, pipe; 202, pillar; 203, driven fan blade; 204, abutment ring; 205, annular groove body; 206, abutment groove; 207, positioning rod; 208, positioning hole; 209, driving standard gear; 2010, driving blade; 2011, driving shaft; 2012, inner block; 2013, inner roller; 2014, limiting column; 2015, limiting ball; 2016, movable ring; 2017, large gear; 2 018, small gear; 2019, vertical shaft; 2020, driven bevel gear; 2021, transmission bevel gear; 2022, support plate; 2023, horizontal shaft; 2024, transmission standard gear; 2025, L-shaped plate; 3, filtering mechanism; 301, upper hollow part; 302, fine-pore honeycomb filter element; 303, lower hollow part; 304, inner ring; 305, coarse-pore honeycomb filter element; 4, air outlet; 5, air inlet casing; 6, air pipe; 7, transparent oil shell; 8, abutment frame; 9, buckle. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described 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 the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] Embodiment 1, by Figure 1-Figure 8 The present invention relates to a diesel engine air filter which is easy to disassemble and assemble, comprising a filter cartridge shell 1, an air intake shell 5 is provided on the top of the filter cartridge shell 1, an air outlet 4 is provided on the outer side of the filter cartridge shell 1, a transparent oil shell 7 is provided on the bottom of the filter cartridge shell 1, a plurality of buckles 9 are provided at equal angles between the transparent oil shell 7 and the filter cartridge shell 1, an air pipe 6 is fixedly connected to the inside of the filter cartridge shell 1, the top of the air pipe 6 extends to the outside of the filter cartridge shell 1, the air intake shell 5 is sleeved on the outside of the air pipe 6, and a rotating mechanism 2 and a filtering mechanism 3 are provided inside the filter cartridge shell 1.

[0020] Embodiment 2, on the basis of embodiment 1, the rotating mechanism 2 comprises a connecting pipe 201 located at the bottom end of the air pipe 6, the bottom end of the connecting pipe 201 extends to the inside of the transparent oil shell 7, the outer side of the connecting pipe 201 is fixedly sleeved with an annular groove body 205, the annular groove body 205 is rotatably connected with a movable ring 2016, the outer side of the movable ring 2016 is fixedly connected with a plurality of pillars 202 at equal angles, each pillar 202 is fixedly connected with a driven fan blade 203, the bottom of the connecting pipe 201 is provided with an abutment groove 206, the transparent The inner part of the oil shell 7 is fixedly connected with an abutment frame 8, which is inserted into the abutment groove 206. The top of the pipe 201 is symmetrically fixedly connected with two positioning rods 207. The bottom end of the air pipe 6 is symmetrically provided with two positioning holes 208. The two positioning rods 207 are respectively inserted into the two positioning holes 208. The inner part of the air pipe 6 is symmetrically fixedly connected with two inner blocks 2012. A driving shaft 2011 is rotatably connected between the two inner blocks 2012. The outer side of the driving shaft 2011 is fixedly connected with a plurality of driving blades at equal angles. 2010, an L-shaped plate 2025 is fixedly installed in the pipe 201, and a horizontal shaft 2023 is rotatably connected to the L-shaped plate 2025. A transmission standard gear 2024 is fixedly installed on the outer side of the horizontal shaft 2023, and a driving standard gear 209 is fixedly installed on the outer side of the drive shaft 2011. The driving standard gear 209 is meshed and connected with the transmission standard gear 2024. A support plate 2022 is fixedly installed on the outer side of the pipe 201, and a vertical shaft 219 is rotatably connected to the bottom of the support plate 2022. The vertical shaft 219 is fixedly installed on the outer side of the drive shaft 2011. A driven bevel gear 2020 is fixedly installed on the outer side of 019, one end of the horizontal shaft 2023 away from the L-shaped plate 2025 extends to the outer side of the pipe 201 and is fixedly connected with a transmission bevel gear 2021, and the transmission bevel gear 2021 is meshed and connected with the driven bevel gear 2020, a small gear 2018 is fixedly installed on the outer side of the vertical shaft 2019, and a large gear 2017 located above the pillar 202 is fixedly installed on the outer side of the movable ring 2016, and the large gear 2017 is meshed and connected with the small gear 2018; First, place the connecting pipe 201 at the bottom end of the air pipe 6, so that the two positioning rods 207 are respectively inserted into the two positioning holes 208, and the transmission standard gear 2024 is meshed with the driving standard gear 209. Then, the transparent oil shell 7 is installed on the bottom of the filter element shell 1 through each buckle 9, so that the abutment frame 8 is inserted into the abutment groove 206 to complete the fixation of the connecting pipe 201. When the air flows downward in the air pipe 6, it blows the driving blade 2010 to make the driving shaft 2011 rotate, and the horizontal shaft 2023 is driven to rotate through the cooperation of the driving standard gear 209 and the transmission standard gear 2024. Since the transmission bevel gear 2021 is meshed with the driven bevel gear 2020, the vertical shaft 2019 is driven to rotate, and the small gear 2018 is meshed with the large gear 2017, thereby driving the movable ring 2016 to rotate, and through each pillar 202, each driven fan blade 203 is driven to rotate to generate wind force, thereby increasing the air flow rate and finally improving the filtering effect.

[0021] Embodiment 3, on the basis of embodiment 1, a plurality of inner rollers 2013 are rotatably connected in the annular groove body 205 at equal angles, each inner roller 2013 abuts against the inner wall of the movable ring 2016, a plurality of limiting posts 2014 are fixedly connected at equal angles to the top and bottom of the movable ring 2016, and a limiting ball 2015 abutting against the annular groove body 205 is provided at one end of each limiting post 2014 away from the movable ring 2016; First, a plurality of inner rollers 2013 are arranged in the annular groove body 205 to abut against the inner wall of the movable ring 2016, so as to limit the movable ring 2016 and prevent it from lateral movement. At the same time, a plurality of limiting balls 2015 are arranged on the upper and lower sides of the movable ring 2016 to abut against the annular groove body 205, so as to limit the movable ring 2016 and prevent it from longitudinal movement, thereby achieving stable support for the movable ring 2016 and avoiding direct contact between the movable ring 2016 and the annular groove body 205, and finally ensuring the stability of the movable ring 2016 during rotation.

[0022] Embodiment 4, on the basis of embodiment 1, the filtering mechanism 3 comprises an upper hollow piece 301 located inside the filter cartridge casing 1, a fine-porous honeycomb filter element 302 is sleeved on the outer side of the upper hollow piece 301, a lower hollow piece 303 is provided inside the filter cartridge casing 1, a coarse-porous honeycomb filter element 305 is sleeved on the inner side of the lower hollow piece 303, the top of the coarse-porous honeycomb filter element 305 abuts against the bottom of the fine-porous honeycomb filter element 302, the upper hollow piece 301, the fine-porous honeycomb filter element 302, the coarse-porous honeycomb filter element 305 and the lower hollow piece 303 are all sleeved on the outer side of the trachea 6, an inner ring 304 is fixedly connected to the inside of the filter cartridge casing 1, the upper hollow piece 301 abuts against the bottom of the inner ring 304, an abutting ring 204 is fixedly sleeved on the outer side of the connecting pipe 201, and the abutting ring 204 abuts against the bottom of the lower hollow piece 303; First, the fine-pore honeycomb filter element 302 is sleeved on the outer side of the upper hollow piece 301, and the coarse-pore honeycomb filter element 305 is sleeved on the inner side of the lower hollow piece 303, and then the upper hollow piece 301 is placed in the filter element casing 1 until it abuts against the inner ring 304, and then the lower hollow piece 303 is placed in the filter element casing 1 until the top of the coarse-pore honeycomb filter element 305 abuts against the bottom of the fine-pore honeycomb filter element 302, and then the connecting pipe 201 is fixed to the bottom end of the trachea 6 ... When the abutment ring 204 abuts against the lower hollow part 303, the installation of the coarse-pore honeycomb filter element 305 and the fine-pore honeycomb filter element 302 is completed, thereby realizing the filtration of the air; when the connecting pipe 201 is removed from the bottom end of the trachea 6, the limiting effect on the lower hollow part 303 is released, and the coarse-pore honeycomb filter element 305 and the fine-pore honeycomb filter element 302 can be removed from the filter element casing 1, and finally the disassembly and assembly of the coarse-pore honeycomb filter element 305 and the fine-pore honeycomb filter element 302 is realized.

Claims

1. A diesel engine air filter that is easy to disassemble and assemble, comprising a filter element casing (1), characterized in that: The top of the filter cartridge housing (1) is provided with an air inlet housing (5), the outer side of the filter cartridge housing (1) is provided with an air outlet (4), the bottom of the filter cartridge housing (1) is provided with a transparent oil shell (7), a plurality of buckles (9) are provided at equal angles between the transparent oil shell (7) and the filter cartridge housing (1), the interior of the filter cartridge housing (1) is fixedly connected with an air pipe (6), the top end of the air pipe (6) extends to the outer side of the filter cartridge housing (1), the air inlet housing (5) is sleeved on the outer side of the air pipe (6), and the interior of the filter cartridge housing (1) is provided with a rotating mechanism (2) and a filtering mechanism (3); The rotating mechanism (2) comprises a connecting pipe (201) located at the bottom end of the air pipe (6), the bottom end of the connecting pipe (201) extends to the inside of the transparent oil shell (7), an annular groove body (205) is fixedly sleeved on the outside of the connecting pipe (201), a movable ring (2016) is rotatably connected to the annular groove body (205), a plurality of pillars (202) are fixedly connected at equal angles on the outside of the movable ring (2016), each pillar (202) is fixedly connected to a driven fan blade (203), an abutment groove (206) is provided at the bottom of the connecting pipe (201), an abutment frame (8) is fixedly connected to the inside of the transparent oil shell (7), the abutment frame (8) is inserted into the abutment groove (206), two positioning rods (207) are symmetrically fixedly connected to the top end of the connecting pipe (201), two positioning holes (208) are symmetrically provided at the bottom end of the air pipe (6), and the two positioning rods (207) are respectively inserted into the two positioning holes (208).

2. The diesel engine air filter that is easy to disassemble and assemble according to claim 1 is characterized in that: Two inner blocks (2012) are symmetrically and fixedly connected inside the air pipe (6), a driving shaft (2011) is rotatably connected between the two inner blocks (2012), and a plurality of driving blades (2010) are fixedly connected at equal angles to the outside of the driving shaft (2011).

3. The diesel engine air filter that is easy to disassemble and assemble according to claim 1 is characterized in that: An L-shaped plate (2025) is fixedly installed inside the connecting pipe (201), a transverse shaft (2023) is rotatably connected to the L-shaped plate (2025), a transmission standard gear (2024) is fixedly installed on the outer side of the transverse shaft (2023), a driving standard gear (209) is fixedly installed on the outer side of the driving shaft (211), and the driving standard gear (209) is meshingly connected with the transmission standard gear (224).

4. The diesel engine air filter that is easy to disassemble and assemble according to claim 1 is characterized in that: A support plate (2022) is fixedly installed on the outer side of the connecting pipe (201); a vertical shaft (219) is rotatably connected to the bottom of the supporting plate (2022); a driven bevel gear (2020) is fixedly installed on the outer side of the vertical shaft (219); an end of the transverse shaft (2023) away from the L-shaped plate (2025) extends to the outer side of the connecting pipe (201) and is fixedly connected to a transmission bevel gear (221); and the transmission bevel gear (221) is meshingly connected to the driven bevel gear (2020).

5. The diesel engine air filter that is easy to disassemble and assemble according to claim 4, characterized in that: A small gear (2018) is fixedly mounted on the outer side of the vertical shaft (2019), and a large gear (2017) located above the support (202) is fixedly mounted on the outer side of the movable ring (2016), and the large gear (2017) is meshingly connected with the small gear (2018).

6. The diesel engine air filter that is easy to disassemble and assemble according to claim 1, characterized in that: A plurality of inner rollers (2013) are rotatably connected at equal angles in the annular groove body (205), and each inner roller (2013) is in contact with the inner wall of the movable ring (2016).

7. The diesel engine air filter that is easy to disassemble and assemble according to claim 1, characterized in that: A plurality of limiting columns (2014) are fixedly connected at equal angles to the top and bottom of the movable ring (2016), and one end of each limiting column (2014) away from the movable ring (2016) is provided with a limiting ball (2015) that abuts against the annular groove body (205).

8. The diesel engine air filter that is easy to disassemble and assemble according to claim 1, characterized in that: The filtering mechanism (3) comprises an upper hollow piece (301) located inside the filter element casing (1); a fine-porous honeycomb filter element (302) is sleeved on the outer side of the upper hollow piece (301); a lower hollow piece (303) is provided inside the filter element casing (1); a coarse-porous honeycomb filter element (305) is sleeved on the inner side of the lower hollow piece (303); the top of the coarse-porous honeycomb filter element (305) abuts against the bottom of the fine-porous honeycomb filter element (302); the upper hollow piece (301), the fine-porous honeycomb filter element (302), the coarse-porous honeycomb filter element (305) and the lower hollow piece (303) are all sleeved on the outer side of the trachea (6).

9. The diesel engine air filter that is easy to disassemble and assemble according to claim 1, characterized in that: An inner ring (304) is fixedly connected to the interior of the filter element casing (1), the upper hollow piece (301) abuts against the bottom of the inner ring (304), and an abutting ring (204) is fixedly sleeved on the outside of the connecting pipe (201), and the abutting ring (204) abuts against the bottom of the lower hollow piece (303).

Citation Information

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