Dustproof filter device for air compressor inlet
Patent Information
- Application Number
- CN202521896698.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-04
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-09-04
AI Technical Summary
[0004]本实用新型的目的在于提供一种空压机进气口的防尘过滤装置,解决现有技术中空压机进气端的防尘过滤装置普遍存在拆装流程繁琐的问题
[0015]1、本装置采用弧形安装件与过滤筒端面齐平设计,结合双重限位结构与密封圈,不仅实现了进气通道的高效密封,还能在高速气流下稳定拦截灰尘杂质,滤网通过定位柱与固定环快速精准对接,确保了过滤组件的整体性和过滤效率,有效提升空压机的防尘性能。
Smart Images

Figure CN224903421U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of air compressor technology, and in particular to a dust filter device for the air inlet of an air compressor. Background Technology
[0002] An air compressor, also known as an air compressor, is a device that converts the mechanical energy of an electric motor or other power source into the pressure energy of a gas. It increases the density of air by compressing it, thereby generating a high-pressure airflow. This high-pressure compressed air is one of the most important power sources in the industrial field, widely used in driving pneumatic tools, control instruments, spray painting, material handling, and even automated production lines in manufacturing, and is known as the "lifeblood of industry."
[0003] The dust filter devices at the air inlet of existing air compressors generally have a cumbersome disassembly and assembly process, and most of them use bolt fastening. Replacing the filter screen requires tools and is time-consuming. At the same time, the filter screen installation lacks effective positioning guidance, which not only affects the filtration stability, but may also cause the components to shift due to vibration, reducing filtration efficiency and equipment operational reliability. Utility Model Content
[0004] The purpose of this utility model is to provide a dust filter device for the air inlet of an air compressor, which solves the problem that the dust filter device at the air inlet of an air compressor generally has a complicated disassembly and assembly process.
[0005] To achieve the above objectives, a dustproof filtration device for the air inlet of an air compressor is provided, including a filter cylinder, an installation component corresponding to the outer end of the filter cylinder, a limiting block fixedly connected to the installation component near the opening end of the filter cylinder, a limiting groove corresponding to the opening of the filter cylinder, the limiting block and the limiting groove corresponding to each other, and a filter screen fixedly connected to the inner end of the installation component.
[0006] The bottom of the mounting component is fixedly connected to a limiting block two, and the bottom of the opening of the filter cylinder is provided with a limiting groove two, with the limiting block two and the limiting groove two corresponding to each other.
[0007] According to the dust filter device for the air inlet of an air compressor, the outer ends of the filter cylinder are fixedly connected to connecting blocks, and the connecting blocks have slots inside.
[0008] According to the dust filter device for the air inlet of an air compressor, a screw is rotatably connected inside the slot, and a handle is fixedly connected to the outer end of the screw.
[0009] According to the dust filter device for the air inlet of an air compressor, a connecting plate is threaded onto the screw, and all four ends of the connecting plate are in contact with the inner wall of the slot.
[0010] According to the dust filter device for the air inlet of an air compressor, two positioning blocks are fixedly connected to one end of the connecting plate near the filter cylinder, and two positioning grooves are opened inside the limiting block, with the positioning block corresponding to the positioning groove.
[0011] According to the dust filter device for the air inlet of an air compressor, a fixing ring is fixedly connected inside the filter cylinder.
[0012] According to the dust filter device for the air inlet of an air compressor, the filter screen is fixedly connected to four positioning posts at its lower four ends, and the fixing ring has four positioning holes inside, with the positioning posts and positioning holes corresponding to each other.
[0013] According to the dust filter device for the air inlet of an air compressor, a connecting flange is fixedly connected to the bottom open end of the filter cylinder.
[0014] The above-mentioned solution has the following beneficial effects:
[0015] 1. This device adopts an arc-shaped mounting part that is flush with the end face of the filter cartridge. Combined with a double limiting structure and sealing ring, it not only achieves efficient sealing of the air intake channel, but also stably intercepts dust and impurities under high-speed airflow. The filter screen is quickly and accurately connected to the fixing ring through the positioning column, ensuring the integrity and filtration efficiency of the filter component and effectively improving the dustproof performance of the air compressor.
[0016] 2. This device drives the positioning block to extend and retract through a screw transmission mechanism, enabling tool-free quick unlocking and installation of the filter assembly. The matching structure of the limiting block and the limiting groove simplifies the disassembly and assembly steps. Operators only need to rotate the handle to pick up and put down the filter, which greatly reduces maintenance difficulty and time costs, while ensuring the positioning accuracy and sealing reliability of repeated installations.
[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0019] Figure 1 This is a schematic diagram of the overall structure of a dust filter device for an air compressor inlet according to the present invention.
[0020] Figure 2 This is a schematic diagram of the disassembly and assembly of the filter assembly of a dustproof filter device for an air compressor inlet according to the present invention.
[0021] Figure 3 This is a schematic diagram of the positioning component of a dustproof filter device for an air compressor inlet according to the present invention.
[0022] Figure 4 This is a schematic diagram of the fixing ring structure of a dustproof filter device for an air compressor inlet according to the present invention.
[0023] Legend:
[0024] 1. Connecting flange; 2. Mounting component; 3. Filter cartridge; 4. Filter screen; 5. Positioning groove; 6. Limiting block one; 7. Limiting groove one; 8. Handle; 9. Connecting block; 10. Limiting groove two; 11. Fixing ring; 12. Connecting plate; 13. Screw; 14. Slot; 15. Positioning block; 16. Positioning post; 17. Positioning hole; 18. Limiting block two. Detailed Implementation
[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0026] Reference Figure 1-4 This utility model provides a dustproof filter device for the air inlet of an air compressor, including a filter cylinder 3. An installation component 2 is installed on the outer end of the filter cylinder 3. A limiting block 6 is fixedly connected to the installation component 2 near the opening end of the filter cylinder 3. A limiting groove 7 is opened at the opening of the filter cylinder 3. The limiting block 6 and the limiting groove 7 correspond to each other. A filter screen 4 is fixedly connected to the inner end of the installation component 2. The installation component 2 has an arc-shaped structure. After installation with the filter cylinder 3, its end faces can be flush with each other. In addition, sealing rings are set on the surfaces of the two sets of limiting blocks to improve the sealing effect after installation without affecting the installation with the limiting groove.
[0027] The bottom of the mounting component 2 is fixedly connected to the limiting block 18, and the bottom of the opening of the filter cylinder 3 is provided with the limiting groove 10. The limiting block 18 and the limiting groove 10 correspond to each other. Through the correspondence between the two sets of limiting blocks and limiting grooves, the filter assembly can be quickly disassembled and assembled, which greatly improves the applicability of the device.
[0028] Connecting blocks 9 are fixedly connected to both ends of the outer side of the filter cylinder 3. A slot 14 is opened inside the connecting block 9. A screw 13 is rotatably connected inside the slot 14. A handle 8 is fixedly connected to the outer end of the screw 13. A connecting plate 12 is threaded onto the screw 13. All four ends of the connecting plate 12 are in contact with the inner wall of the slot 14. Two positioning blocks 15 are fixedly connected to the end of the connecting plate 12 near the filter cylinder 3. Two positioning grooves 5 are opened inside the limiting block 16. The positioning blocks 15 correspond to the positioning grooves 5. When the filter assembly needs to be disassembled and cleaned, first turn the handle 8 to drive the screw 13 to rotate. Under the action of the threaded engagement, the connecting plate 12 can drive the two positioning blocks 15 to gradually retract into the slot 14. At this time, the positioning blocks 15 leave the inside of the positioning grooves 5. The operator can directly pull the mounting part 2 upward to remove the filter screen 4 together, thereby disassembling and cleaning the filter assembly and improving the filtration effect of the device.
[0029] A fixing ring 11 is fixedly connected inside the filter cartridge 3, and positioning posts 16 are fixedly connected to the four ends of the filter screen 4. The fixing ring 11 has four positioning holes 17 inside, and the positioning posts 16 correspond to the positioning holes 17. The fixing ring 11 can stably support the filter screen 4 inside the mounting part 2. In addition, the correspondence between the positioning holes 17 and the positioning posts 16 can quickly complete the rapid positioning of the filter screen 4, improving the stability of the filter screen 4 during use.
[0030] A connecting flange 1 is fixedly connected to the bottom opening of the filter cartridge 3. The connecting flange 1 enables the entire filter cartridge 3 to be connected to the air inlet of the air compressor, thereby improving the filtration effect of the air compressor.
[0031] Working principle: When in use, the operator aligns the filter cartridge 3 with the air inlet of the air compressor, and uses the connecting flange 1 and bolts to install the entire filter cartridge 3 at the air inlet. When the air compressor is in use, air can enter the equipment through the filter cartridge 3, and the filter screen 4 installed inside can filter impurities and dust in the air, thereby achieving the dustproof filtration effect of the air compressor.
[0032] When the filter assembly needs to be disassembled and cleaned, first turn the handle 8 to drive the screw 13 to rotate. Under the action of the threaded engagement, the connecting plate 12 can drive the two positioning blocks 15 to gradually retract into the slot 14. At this time, the positioning blocks 15 leave the inside of the positioning slot 5, and the staff can directly pull the mounting part 2 upward to remove it together with the filter screen 4, thereby disassembling and cleaning the filter assembly and improving the filtration effect of the device.
[0033] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A dust filter device for the air inlet of an air compressor, comprising a filter cartridge (3), characterized in that, The outer end of the filter cylinder (3) is fitted with an installation component (2). The installation component (2) is fixedly connected to a limiting block (6) near the opening of the filter cylinder (3). A limiting groove (7) is opened at the opening of the filter cylinder (3). The limiting block (6) and the limiting groove (7) correspond to each other. The inner end of the installation component (2) is fixedly connected with a filter screen (4). The bottom of the mounting component (2) is fixedly connected to a limiting block two (18), and the bottom of the opening of the filter cylinder (3) is provided with a limiting groove two (10), and the limiting block two (18) and the limiting groove two (10) correspond to each other.
2. The dust filter device for the air inlet of an air compressor according to claim 1, characterized in that, The filter cylinder (3) has connecting blocks (9) fixedly connected to both ends of its outer side, and the connecting blocks (9) have slots (14) inside.
3. The dust filter device for the air inlet of an air compressor according to claim 2, characterized in that, The slot (14) is rotatably connected to a screw (13), and the outer end of the screw (13) is fixedly connected to a handle (8).
4. The dust filter device for the air inlet of an air compressor according to claim 3, characterized in that, The screw (13) is threaded with a connecting plate (12), and all four ends of the connecting plate (12) are in contact with the inner wall of the slot (14).
5. A dust filter device for the air inlet of an air compressor according to claim 4, characterized in that, Two positioning blocks (15) are fixedly connected to one end of the connecting plate (12) near the filter cylinder (3). Two positioning grooves (5) are opened inside the limiting block (6), and the positioning block (15) corresponds to the positioning groove (5).
6. A dust filter device for the air inlet of an air compressor according to claim 1, characterized in that, A fixing ring (11) is fixedly connected inside the filter cylinder (3).
7. A dust filter device for the air inlet of an air compressor according to claim 6, characterized in that, The filter screen (4) is fixedly connected to four positioning posts (16) at its lower end. The fixing ring (11) has four positioning holes (17) inside, and the positioning posts (16) and positioning holes (17) correspond to each other.
8. A dust filter device for the air inlet of an air compressor according to claim 1, characterized in that, The bottom opening of the filter cylinder (3) is fixedly connected to a connecting flange (1).