A diesel engine air filter convenient to disassemble
By designing a rotating and filtering mechanism, the problem of slow air rise speed in air filters is solved, filtration efficiency is improved, and the disassembly and assembly process of honeycomb filter elements is simplified, achieving efficient filtration and convenient maintenance.
Patent Information
- Application Number
- CN202510190735.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2045-02-20
AI Technical Summary
Existing air filters have a slow air rise speed after oil bath filtration, resulting in low filtration efficiency.
A diesel engine air filter designed for easy assembly and disassembly is described. Through the cooperation of the rotating mechanism and the filtering mechanism, and by using the positioning rod, positioning hole, abutment groove, abutment frame, transparent oil shell and buckle to fix it, the transmission standard gear and the drive standard gear are meshed, driving the blades to rotate and generate wind power to increase the air flow rate. At the same time, the stability of the moving ring is ensured by the cooperation of the inner roller, the limiting post and the limiting ball. And the installation and disassembly of the honeycomb filter element is facilitated by the cooperation of the inner ring and the hollow part.
The increased airflow rate improves filtration efficiency and simplifies the installation and removal of the honeycomb filter element, enhancing the ease of use of the equipment.
Smart Images

Figure CN119957392B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of air filters, and particularly relates to a diesel engine air filter convenient to disassemble and assemble. BACKGROUND
[0002] An air filter mainly comprises a filter core and a shell, the filter core is a core component of the air filter and is made of special material and mainly bears the filtering work of gas, and the shell is an external structure for providing necessary protection for the filter core, the main working principle of the air filter is to block and adsorb impurities in air through filtering medium, when air flows through the filter, the filtering medium can effectively block dust, pollen, abrasive particles and other solid impurities, preventing them from entering the internal part of a mechanical device or an engine, meanwhile, the filter can also adsorb harmful gases and substances such as water, soot, ozone, peculiar smell, carbon oxide, SO2 and CO2 in air, so as to ensure that the air quality entering the mechanical device or the engine reaches the best state.
[0003] The existing air filter generally filters air through an air channel, a honeycomb filter core and oil bath for multiple times, and the ascending speed of air after being filtered by the oil bath is slow, so that the filtering efficiency is low. SUMMARY
[0004] In view of the above problems, the present application provides a diesel engine air filter convenient to disassemble and assemble, which effectively solves the problem that the ascending speed of air after being filtered by the oil bath is slow, so that the filtering efficiency is low.
[0005] To achieve the above object, the present application provides the following technical scheme: a diesel engine air filter convenient to disassemble and assemble, comprising a filter core sleeve, an air inlet sleeve is arranged at the top of the filter core sleeve, an air outlet is arranged on the outer side of the filter core sleeve, a transparent oil shell is arranged at the bottom of the filter core sleeve, a plurality of buckles are arranged at equal angles between the transparent oil shell and the filter core sleeve, a gas pipe is fixedly connected in the filter core sleeve, the top end of the gas pipe extends to the outer side of the filter core sleeve, the air inlet sleeve is sleeved on the outer side of the gas pipe, a rotating mechanism and a filtering mechanism are arranged in the filter core sleeve.
[0006] The rotating mechanism comprises a connecting pipe arranged at the bottom end of the gas 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 outer side of the connecting pipe, a movable ring is rotatably connected to the annular groove body, a plurality of struts are fixedly connected at equal angles to the outer side of the movable ring, a driven vane is fixedly connected to each strut, an abutting groove is arranged at the bottom of the connecting pipe, an abutting frame is fixedly connected in the inside of the transparent oil shell, the abutting frame is inserted into the abutting groove, two positioning rods are symmetrically fixedly connected to the top end of the connecting pipe, two positioning holes are symmetrically arranged at the bottom end of the gas pipe, and the two positioning rods are respectively inserted into the two positioning holes.
[0007] Preferably, the inside of the air pipe is fixedly connected with two inner blocks symmetrically, a driving shaft is rotatably connected between the two inner blocks, and a plurality of driving blades are fixedly connected to the outer side of the driving shaft at equal angles.
[0008] Preferably, an L-shaped plate is fixedly installed in the connecting pipe, a horizontal shaft is rotatably connected to the L-shaped plate, a transmission standard gear is fixedly installed to the outer side of the horizontal shaft, a driving standard gear is fixedly installed to the outer side of the driving shaft, and the driving standard gear is meshingly connected with the transmission standard gear.
[0009] Preferably, a support plate is fixedly installed to 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 to the outer side of the vertical shaft, a transmission bevel gear is fixedly connected to the outer side of the connecting pipe away from the L-shaped plate and extending from the horizontal shaft, and the transmission bevel gear is meshingly connected with the driven bevel gear.
[0010] Preferably, a pinion is fixedly installed to the outer side of the vertical shaft, a large gear is fixedly installed to the outer side of the movable ring above the support column, and the large gear is meshingly connected with the pinion.
[0011] Preferably, a plurality of inner rollers are rotatably connected to the annular groove body at equal angles, and each inner roller abuts against the inner wall of the movable ring.
[0012] Preferably, a plurality of limiting columns are fixedly connected to the top and bottom of the movable ring at equal angles, and each limiting column is provided with a limiting ball abutting against the annular groove body away from the movable ring.
[0013] Preferably, the filtering mechanism comprises an upper hollow piece inside a filter core sleeve, a fine-hole honeycomb filter core is sleeved to the outer side of the upper hollow piece, a lower hollow piece is arranged inside the filter core sleeve, a coarse-hole honeycomb filter core is sleeved to the inner side of the lower hollow piece, the top of the coarse-hole honeycomb filter core abuts against the bottom of the fine-hole honeycomb filter core, and the upper hollow piece, the fine-hole honeycomb filter core, the coarse-hole honeycomb filter core and the lower hollow piece are all sleeved to the outer side of the air pipe.
[0014] Preferably, an inner ring is fixedly connected to the inside of the filter core sleeve, the upper hollow piece abuts against the bottom of the inner ring, an abutting ring is fixedly sleeved to the outer side of the connecting pipe, and the abutting ring abuts against the bottom of the lower hollow piece.
[0015] Compared with the prior art, the present application has the following beneficial effects:
[0016] 1. The present application, by positioning the cooperation between the rod, positioning hole, abutting groove, abutting frame, transparent oil shell and buckle, the fixed end of the pipe is convenient for the engagement of the transmission standard gear and the drive standard gear, and through the cooperation between the drive shaft, the drive standard gear, the transmission standard gear, the horizontal shaft, the transmission bevel gear, the driven bevel gear, the vertical shaft, the pinion, the ring, the annular groove and the support, when the air flows downward in the pipe, the driving blade rotates, and then each driven fan blade rotates to generate wind power, thereby facilitating the increase of the flow rate of the air to improve the filtering efficiency;
[0017] 2. The present application, by the cooperation between the inner roller and the limiting column and the limiting ball, the movable ring is conveniently supported and limited, the stability of the movable ring during rotation can be ensured, and direct contact between the movable ring and the annular groove can be avoided, thereby facilitating the reduction of friction force during rotation of the movable ring;
[0018] 3. The present application, by the cooperation between the inner ring and the upper hollow part and the lower hollow part and the abutting ring, when the pipe is fixed at the bottom end of the pipe, the fine hole honeycomb filter element and the coarse hole honeycomb filter element can be installed in the filter element sleeve, thereby facilitating the filtration of air, when the pipe is removed from the bottom end of the pipe, the fine hole honeycomb filter element and the coarse hole honeycomb filter element can be removed from the filter element sleeve, thereby facilitating the disassembly and assembly of the fine hole honeycomb filter element and the coarse hole honeycomb filter element. BRIEF DESCRIPTION OF DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation of the present application.
[0020] In the drawings:
[0021] Figure 1 The structure diagram of the diesel engine air filter convenient for disassembly of the present application;
[0022] Figure 2 The structure diagram of the filter element sleeve of the present application;
[0023] Figure 3 The structure diagram of the rotating mechanism of the present application;
[0024] Figure 4 The structure diagram of the pipe and the pipe disassembly of the present application;
[0025] Figure 5 The structure diagram of the pipe of the present application;
[0026] Figure 6 The structure diagram of the annular groove of the present application;
[0027] Figure 7 The structure diagram of the filtering mechanism of the present application;
[0028] Figure 8 This is a schematic diagram of the disassembled structure of the upper and lower hollow parts of the present invention.
[0029] In the diagram: 1. Filter cartridge housing; 2. Rotating mechanism; 201. Connecting pipe; 202. Support column; 203. Driven fan blade; 204. Abutment ring; 205. Annular groove; 206. Abutment groove; 207. Positioning rod; 208. Positioning hole; 209. Drive standard gear; 2010. Drive blade; 2011. Drive shaft; 2012. Inner block; 2013. Inner roller; 2014. Limiting post; 2015. Limiting ball; 2016. Movable ring; 2017. Large gear; 2 018. Pinion; 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 sleeve; 6. Air pipe; 7. Transparent oil shell; 8. Abutment frame; 9. Buckle. Detailed Implementation
[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0031] Example 1, by Figures 1-8 The present invention relates to a diesel engine air filter that is easy to disassemble and assemble, comprising a filter element housing 1, an air inlet housing 5 at the top of the filter element housing 1, an air outlet 4 on the outer side of the filter element housing 1, a transparent oil shell 7 at the bottom of the filter element housing 1, and multiple clips 9 at equal angles between the transparent oil shell 7 and the filter element housing 1. An air pipe 6 is fixedly connected inside the filter element housing 1, the top end of the air pipe 6 extends to the outer side of the filter element housing 1, the air inlet housing 5 is fitted on the outer side of the air pipe 6, and a rotating mechanism 2 and a filtering mechanism 3 are provided inside the filter element housing 1.
[0032] In the embodiment, the rotating mechanism 2 comprises a connecting pipe 201 arranged at the bottom end of the air pipe 6, the bottom end of the connecting pipe 201 extends into the inside of the transparent oil tank 7, the outer side of the connecting pipe 201 is fixedly sleeved with an annular groove body 205, the annular groove body 205 is rotationally connected with a movable ring 2016, the outer side of the movable ring 2016 is fixedly connected with a plurality of support columns 202 at equal angles, each support column 202 is fixedly connected with a driven fan blade 203, the bottom end of the connecting pipe 201 is provided with an abutting groove 206, the inside of the transparent oil tank 7 is fixedly connected with an abutting frame 8, the abutting frame 8 is inserted into the abutting groove 206, the top end of the connecting pipe 201 is fixedly connected with two positioning rods 207 in a symmetrical manner, the bottom end of the air pipe 6 is provided with two positioning holes 208 in a symmetrical manner, the two positioning rods 207 are respectively inserted into the two positioning holes 208, the inside of the air pipe 6 is fixedly connected with two inner blocks 2012 in a symmetrical manner, the two inner blocks 2012 are rotationally connected with a driving shaft 2011, the outer side of the driving shaft 2011 is fixedly connected with a plurality of driving blades 2010 at equal angles, an L-shaped plate 2025 is fixedly arranged in the connecting pipe 201, the L-shaped plate 2025 is rotationally connected with a horizontal shaft 2023, the outer side of the horizontal shaft 2023 is fixedly arranged with a transmission standard gear 2024, the outer side of the driving shaft 2011 is fixedly arranged with a driving standard gear 209, the driving standard gear 209 is meshingly connected with the transmission standard gear 2024, the outer side of the connecting pipe 201 is fixedly arranged with a supporting plate 2022, the bottom end of the supporting plate 2022 is rotationally connected with a vertical shaft 2019, the outer side of the vertical shaft 2019 is fixedly arranged with a driven bevel gear 2020, the end of the horizontal shaft 2023, which is away from the L-shaped plate 2025, extends to the outer side of the connecting pipe 201 and is fixedly connected with a transmission bevel gear 2021, the transmission bevel gear 2021 is meshingly connected with the driven bevel gear 2020, the outer side of the vertical shaft 2019 is fixedly arranged with a pinion 2018, the outer side of the movable ring 2016 is fixedly arranged with a large gear 2017 which is above the support column 202, the large gear 2017 is meshingly connected with the pinion 2018.
[0033] Firstly, the connecting pipe 201 is arranged 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 meshingly connected with the driving standard gear 209, then the transparent oil tank 7 is arranged at the bottom end of the filter element sleeve 1 through the clamping buckles 9, so that the abutting frame 8 is inserted into the abutting groove 206, and the fixing of the connecting pipe 201 is completed, when the air flows downwards in the air pipe 6, the driving blades 2010 are blown to make the driving shaft 2011 rotate, the horizontal shaft 2023 is driven to rotate through the cooperation of the driving standard gear 209 and the transmission standard gear 2024, the vertical shaft 2019 is driven to rotate due to the meshing of the transmission bevel gear 2021 and the driven bevel gear 2020, the pinion 2018 is meshingly connected with the large gear 2017, so that the movable ring 2016 is driven to rotate, and each driven fan blade 203 is respectively driven to rotate through each support column 202 to generate wind power, the air flow rate is improved, and finally the filtering effect is improved.
[0034] In example three, on the basis of example one, a plurality of inner rollers 2013 are rotationally connected in the annular groove body 205, each inner roller 2013 abuts against the inner wall of the movable ring 2016, and a plurality of limiting columns 2014 are fixedly connected to the top and bottom of the movable ring 2016 at equal angles, and the end of each limiting column 2014 away from the movable ring 2016 is provided with a limiting ball 2015 abutting against the annular groove body 205;
[0035] 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 from moving horizontally, and 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 from moving vertically, thereby stably supporting the movable ring 2016, avoiding direct contact between the movable ring 2016 and the annular groove body 205, and finally ensuring the stability of the rotation of the movable ring 2016.
[0036] In example four, on the basis of example one, the filtering mechanism 3 comprises an upper hollow part 301 located inside the filter core sleeve 1, the outer side of the upper hollow part 301 is sleeved with a fine-hole honeycomb filter core 302, the inside of the filter core sleeve 1 is provided with a lower hollow part 303, the inner side of the lower hollow part 303 is sleeved with a coarse-hole honeycomb filter core 305, the top of the coarse-hole honeycomb filter core 305 abuts against the bottom of the fine-hole honeycomb filter core 302, the upper hollow part 301, the fine-hole honeycomb filter core 302, the coarse-hole honeycomb filter core 305 and the lower hollow part 303 are all sleeved on the outer side of the air pipe 6, the inside of the filter core sleeve 1 is fixedly connected with an inner ring 304, the bottom of the upper hollow part 301 abuts against the inner ring 304, the outer side of the connecting pipe 201 is fixedly sleeved with an abutting ring 204, and the abutting ring 204 abuts against the bottom of the lower hollow part 303.
[0037] First, the fine-hole honeycomb filter core 302 is sleeved on the outer side of the upper hollow part 301, and the coarse-hole honeycomb filter core 305 is sleeved on the inner side of the lower hollow part 303, then the upper hollow part 301 is placed in the filter core sleeve 1 until it abuts against the inner ring 304, then the lower hollow part 303 is placed in the filter core sleeve 1 until the top of the coarse-hole honeycomb filter core 305 abuts against the bottom of the fine-hole honeycomb filter core 302, and finally the connecting pipe 201 is fixed at the bottom end of the air pipe 6, and the abutting ring 204 abuts against the lower hollow part 303, thereby completing the installation of the coarse-hole honeycomb filter core 305 and the fine-hole honeycomb filter core 302, so as to realize the filtration of air, when the connecting pipe 201 is removed from the bottom end of the air pipe 6, the limiting effect of the lower hollow part 303 is released, the coarse-hole honeycomb filter core 305 and the fine-hole honeycomb filter core 302 can be disassembled from the filter core sleeve 1, and finally the disassembly and assembly of the coarse-hole honeycomb filter core 305 and the fine-hole honeycomb filter core 302 are realized.
Claims
1. A diesel engine air filter which is easy to disassemble, comprising a filter element housing (1), characterized in that: The top of the filter core shell (1) is provided with an air inlet shell (5), the outer side of the filter core shell (1) is provided with an air outlet (4), the bottom of the filter core shell (1) is provided with a transparent oil shell (7), a plurality of buckles (9) are arranged at equal angles between the transparent oil shell (7) and the filter core shell (1), the inside of the filter core shell (1) is fixedly connected with an air pipe (6), the top end of the air pipe (6) extends to the outside of the filter core shell (1), the air inlet shell (5) is sleeved on the outside of the air pipe (6), and the inside of the filter core shell (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 into the inside of the transparent oil shell (7), the outside 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 outside of the movable ring (2016) is fixedly connected with a plurality of struts (202) at equal angles, each strut (202) is fixedly connected with a driven fan blade (203), the bottom of the connecting pipe (201) is provided with an abutting groove (206), the inside of the transparent oil shell (7) is fixedly connected with an abutting frame (8), the abutting frame (8) is inserted into the abutting groove (206), the top end of the connecting pipe (201) is fixedly connected with two positioning rods (207) in a symmetrical manner, the bottom end of the air pipe (6) is provided with two positioning holes (208) in a symmetrical manner, the two positioning rods (207) are respectively inserted into the two positioning holes (208), the inside of the air pipe (6) is fixedly connected with two inner blocks (2012) in a symmetrical manner, the two inner blocks (2012) are rotatably connected with a driving shaft (2011) therebetween, the outside of the driving shaft (2011) is fixedly connected with a plurality of driving blades (2010) at equal angles, an L-shaped plate (2025) is fixedly installed in the connecting pipe (201), a horizontal shaft (2023) is rotatably connected to the L-shaped plate (2025), a transmission standard gear (2024) is fixedly installed on the outside of the horizontal shaft (2023), a driving standard gear (209) is fixedly installed on the outside of the driving shaft (2011), the driving standard gear (209) is in meshing connection with the transmission standard gear (2024), a supporting plate (2022) is fixedly installed on the outside of the connecting pipe (201), a vertical shaft (2019) is rotatably connected to the bottom of the supporting plate (2022), a driven bevel gear (2020) is fixedly installed on the outside of the vertical shaft (2019), a transmission bevel gear (2021) is fixedly connected to the end of the horizontal shaft (2023) away from the L-shaped plate (2025) and extending to the outside of the connecting pipe (201), the transmission bevel gear (2021) is in meshing connection with the driven bevel gear (2020), a pinion (2018) is fixedly installed on the outside of the vertical shaft (2019), a large gear (2017) is fixedly installed on the outside of the movable ring (2016) and located above the strut (202), and the large gear (2017) is in meshing connection with the pinion (2018).
2. The air cleaner of claim 1, wherein: A plurality of inner rollers (2013) are connected in equal angles in the annular groove (205), and each inner roller (2013) abuts against the inner wall of the movable ring (2016).
3. The air cleaner of claim 1, wherein: A plurality of limiting columns (2014) are fixedly connected to the top and bottom of the movable ring (2016) in equal angles, and each limiting column (2014) is provided with a limiting ball (2015) abutting against the annular groove (205) at the end away from the movable ring (2016).
4. The air cleaner of claim 1 wherein: The filter mechanism (3) comprises an upper hollow part (301) located inside the filter core sleeve (1), the outside of the upper hollow part (301) is sleeved with a fine-hole honeycomb filter core (302), the inside of the filter core sleeve (1) is provided with a lower hollow part (303), the inside of the lower hollow part (303) is sleeved with a coarse-hole honeycomb filter core (305), the top of the coarse-hole honeycomb filter core (305) abuts against the bottom of the fine-hole honeycomb filter core (302), and the upper hollow part (301), the fine-hole honeycomb filter core (302), the coarse-hole honeycomb filter core (305) and the lower hollow part (303) are all sleeved outside the air pipe (6).
5. The air cleaner of claim 1 wherein: The inside of the filter core sleeve (1) is fixedly connected with an inner ring (304), the bottom of the upper hollow part (301) abuts against the inner ring (304), the outside of the connector (201) is fixedly sleeved with an abutting ring (204), and the bottom of the abutting ring (204) abuts against the lower hollow part (303).
Citation Information
Patent Citations
Oil-bath type strength swirl air filter of heavy-duty automobile
CN201321924Y
Air cleaner
KR200263187Y1