Air compressor side suction type double air filter intake structure
Patent Information
- Application Number
- CN202522534251.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-11-28
AI Technical Summary
[0003]然而,在高流量或高粉尘工况下,单滤芯结构易出现过滤负荷过大、压降迅速升高、滤芯堵塞加快等问题,不仅导致进气不足、压缩效率下降,还需频繁更换滤芯,增加维护成本
[0017]1、通过设置两个空气滤清器与一个具有双出风口的空滤导风箱配合,并经由双吸气软管汇流至三通吸气管,实现了双通道并联进气过滤结构,有效提升进气流量与过滤效率,降低单个滤芯负荷,延长使用寿命,同时采用侧向进气布局,便于在空间受限的空压机设备侧部布置,提高整机集成度与安装灵活性。
Smart Images

Figure CN224919408U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of air compressor technology and relates to a side-suction dual air filter intake structure for an air compressor. Background Technology
[0002] In the industrial sector, air compressors are core equipment providing power air sources, and the quality of their intake air directly affects the operating efficiency, energy consumption, and service life of the main unit. To ensure the cleanliness of the air entering the air compressor, an air filtration device is usually installed at the intake end. Traditional air compressors mostly use a single-filter intake structure, meaning that all intake air is filtered through a single air filter.
[0003] However, under high flow or high dust conditions, single-element filter structures are prone to problems such as excessive filtration load, rapid increase in pressure drop, and accelerated filter clogging. This not only leads to insufficient air intake and reduced compression efficiency but also requires frequent filter replacements, increasing maintenance costs. Furthermore, due to limitations in the overall equipment layout, some air compressors have narrow installation spaces, especially limited side space. Traditional top or front air intake methods are difficult to adapt to the needs of compact or modular designs, indicating significant room for improvement. Summary of the Invention
[0004] The purpose of this utility model is to address the aforementioned problems existing in the prior art by proposing a side-suction dual-air filter intake structure for an air compressor, comprising:
[0005] An air filtration assembly includes an air filter duct box and two air filters. The air filter duct box is provided with a first air inlet and two first air outlets. The two air filters are respectively connected to the two first air outlets.
[0006] The circulation component includes an air intake hose and a three-way air intake pipe. There are two air intake hoses. The three-way air intake pipe is provided with a second air outlet and two second air inlets. One end of each of the two air intake hoses is connected to two air filters respectively, and the other end of each of the two air intake hoses is connected to two second air inlets respectively. The second air outlet is used to connect to the air compressor body.
[0007] The above-mentioned side-suction dual air filter intake structure for an air compressor also includes a metal filter screen, which is disposed at the first air inlet.
[0008] The above-mentioned side-suction dual air filter intake structure for an air compressor also includes a differential pressure sensor, which is connected to one of the intake hoses.
[0009] In the above-mentioned side-suction dual air filter intake structure of an air compressor, a clamp is also included. The clamp is sleeved on the intake hose and is used to connect the intake hose and the air filter.
[0010] In the above-mentioned side-suction dual air filter intake structure of an air compressor, the clamp is sleeved on the second air outlet of the three-way intake pipe and is used to connect the three-way intake pipe and the air compressor body.
[0011] In the above-mentioned side-suction dual air filter intake structure of an air compressor, it also includes an air guide box support beam and an air guide box support column. The air guide box support column is vertically set on the ground, the air guide box support beam is vertically connected to the air guide box support column, and one end of the air filter air guide box is supported and connected to the air guide box support beam.
[0012] In the above-mentioned side-suction dual air filter intake structure of an air compressor, there are also two filter screen columns. The two filter screen columns are vertically arranged on the ground, and the two sides of the metal filter screen are respectively connected to the two filter screen columns.
[0013] In the above-mentioned side-suction dual air filter intake structure of an air compressor, the air filter guide box is provided with a first connecting part, and the metal filter screen is provided with a second connecting part, and the first connecting part is connected to the second connecting part.
[0014] In the above-mentioned side-suction dual air filter intake structure of an air compressor, the air filter air guide box is provided with an inspection port and also includes an inspection sealing plate, which is detachably connected to the inspection port.
[0015] In the above-mentioned side-suction dual-air filter air intake structure of an air compressor, sealing rings are provided between the air filter and the first air outlet, and between the air intake hose and the second air inlet.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0017] 1. By setting up two air filters and an air filter guide box with dual air outlets, and converging the air through dual intake hoses to the three-way intake pipe, a dual-channel parallel intake filtration structure is achieved, which effectively improves the intake flow and filtration efficiency, reduces the load on a single filter element, and extends its service life. At the same time, the side intake layout is adopted, which is convenient for side placement in air compressor equipment with limited space, improving the integration of the whole machine and the installation flexibility.
[0018] 2. Adding a metal filter screen to the first air inlet can pre-intercept large particles of impurities (such as leaves, catkins, sand, etc.), reduce the filtration burden of subsequent air filters, prevent premature clogging of the filter element, and further improve the reliability and maintenance cycle of the overall filtration system.
[0019] 3. By installing a differential pressure sensor on one of the intake hoses, the change in the filtration resistance of that branch can be monitored in real time, thereby determining the degree of blockage of the corresponding air filter, providing data for filter replacement, realizing intelligent maintenance, and avoiding insufficient air intake or increased energy consumption of the air compressor due to filter failure. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of this utility model.
[0021] Figure 2 This is a schematic diagram from another perspective of the present invention.
[0022] Figure 3 This is a rear view of the present invention.
[0023] Figure 4 This is a schematic diagram of the air filter guide box of this utility model.
[0024] Figure 5 This is a schematic diagram of the three-way suction tube of this utility model.
[0025] In the picture:
[0026] 1. Air filter assembly; 11. Air filter air guide box; 111. First air inlet; 112. First air outlet; 113. First connecting part; 12. Air filter; 2. Flow assembly; 21. Intake hose; 22. Three-way intake pipe; 221. Second air outlet; 222. Second air inlet; 3. Metal filter screen; 31. Second connecting part; 4. Differential pressure sensor; 5. Clamp; 61. Air guide box support beam; 62. Air guide box support column; 7. Filter screen column; 8. Inspection and sealing plate. Detailed Implementation
[0027] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0029] Furthermore, in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, features defined as "first" or "second" may explicitly or implicitly include at least one of those features. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly and specifically defined.
[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "connection" and "fixation" should be interpreted broadly. For example, "fixation" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0031] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0032] The specific embodiments described herein are merely illustrative examples of this utility model patent. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or adopt similar methods to replace them, but without departing from the patent of this utility model or exceeding the scope defined by the appended claims.
[0033] like Figures 1-5 As shown, a side-suction dual-air-filter intake structure for an air compressor includes: an air filter assembly 1 and a flow assembly 2.
[0034] The air filtration assembly 1 includes an air filter duct box 11 and two air filters 12. The air filter duct box 11 is provided with a first air inlet 111 and two first air outlets 112. The two air filters 12 are respectively connected to the two first air outlets 112.
[0035] The circulation component 2 includes an air intake hose 21 and a three-way air intake pipe 22. There are two air intake hoses 21. The three-way air intake pipe 22 is provided with a second air outlet 221 and two second air inlets 222. One end of the two air intake hoses 21 is connected to the two air filters 12 respectively, and the other end of the two air intake hoses 21 is connected to the two second air inlets 222 respectively. The second air outlet 221 is used to connect to the air compressor body.
[0036] Specifically, after the air compressor starts running, air is drawn in from the air filter duct box 11 by the suction generated by the air compressor body during operation, then filtered by two air filters 12, and finally merged into the air compressor body through the three-way intake pipe 22.
[0037] In this embodiment, by setting two air filters 12 in conjunction with an air filter guide box 11 with dual air outlets, and converging them into a three-way intake pipe 22 via dual intake hoses 21, a dual-channel parallel intake filtration structure is realized, which effectively improves the intake flow rate and filtration efficiency, reduces the load on a single filter element, and extends its service life. At the same time, the side intake layout is adopted, which is convenient for side placement in air compressor equipment with limited space, improving the integration of the whole machine and the installation flexibility.
[0038] like Figures 1-5 As shown, based on the above embodiment, a metal filter 3 is also included, which is disposed at the first air inlet 111.
[0039] Specifically, the metal filter 3 is placed at the first air inlet 111. When the air compressor main unit draws in air, the outside air first passes through this metal filter 3, and the air that has been preliminarily filtered is then guided into the air filter guide box 11.
[0040] In this embodiment, a metal filter screen 3 is added to the first air inlet 111 to pre-intercept large particulate impurities (such as leaves, flying catkins, sand and gravel), reduce the filtration burden of the subsequent air filter 12, prevent the filter element from clogging prematurely, and further improve the reliability and maintenance cycle of the overall filtration system.
[0041] like Figures 1-5 As shown, based on the above embodiment, a differential pressure sensor 4 is also included, which is connected to one of the suction hoses 21.
[0042] Specifically, the two ends of the differential pressure sensor 4 are connected to the two ends of the air filter 12 respectively, and are used to monitor whether the air filter 12 is clogged in real time.
[0043] In this embodiment, by installing a differential pressure sensor 4 on one of the intake hoses 21, the change in the filter resistance of that branch can be monitored in real time, thereby determining the degree of blockage of the corresponding air filter 12, providing data for filter element replacement, realizing intelligent maintenance, and avoiding insufficient air intake or increased energy consumption of the air compressor due to filter element failure.
[0044] like Figures 1-5 As shown, based on the above embodiment, a clamp 5 is also included. The clamp 5 is sleeved on the air intake hose 21 and is used to connect the air intake hose 21 and the air filter 12.
[0045] In this embodiment, the suction hose 21 is fastened to the air filter 12 using a clamp 5. The structure is simple, easy to disassemble and assemble, and has a reliable seal. It facilitates filter element replacement and pipeline maintenance, and can effectively prevent connection loosening or air leakage caused by vibration during operation.
[0046] like Figures 1-5 As shown, based on the above embodiment, the clamp 5 is fitted onto the second air outlet 221 of the three-way air intake pipe 22 and is used to connect the three-way air intake pipe 22 and the air compressor body.
[0047] In this embodiment, the clamp 5 is applied to the connection between the second air outlet 221 of the three-way intake pipe 22 and the air compressor body, which enhances the connection strength and sealing of the main intake pipe, ensures stable delivery of high-pressure airflow, avoids affecting the performance of the air compressor due to interface leakage, and maintains the modularity and maintainability of the overall structure.
[0048] like Figures 1-5 As shown, based on the above embodiment, it also includes an air guide box support beam 61 and an air guide box support column 62. The air guide box support column 62 is vertically set on the ground, the air guide box support beam 61 is vertically connected to the air guide box support column 62, and one end of the air filter air guide box 11 is supported and connected to the air guide box support beam 61.
[0049] In this embodiment, the air guide box support column 62 and the support beam form a rigid support structure, which provides a stable external support for the air filter air guide box 11, preventing it from shifting or deforming due to its own weight or vibration, and ensuring the stability of the air intake channel. This is especially suitable for outdoor or mobile air compressor application scenarios.
[0050] like Figures 1-5 As shown, based on the above embodiment, it also includes filter screen pillars 7. There are two filter screen pillars 7, which are vertically arranged on the ground. The two sides of the metal filter screen 3 are respectively connected to the two filter screen pillars 7.
[0051] In this embodiment, two filter screen pillars 7 are used to fix the metal filter screen 3 on both sides, so that the metal filter screen 3 is kept taut and flat, preventing it from collapsing, deforming or falling off under strong winds or long-term use, ensuring that the pre-filtration function is continuously effective, and at the same time facilitating overall disassembly, cleaning or replacement.
[0052] like Figures 1-5 As shown, based on the above embodiment, the air filter duct box 11 is provided with a first connecting part 113, and the metal filter screen 3 is provided with a second connecting part 31, and the first connecting part 113 is connected to the second connecting part 31.
[0053] Specifically, the first connecting part 113 is a limiting groove, and the second connecting part 31 is a limiting protrusion. The second limiting protrusion is accommodated in the limiting groove, thereby preventing the air filter guide box 11 from shifting relative to the metal filter screen 3.
[0054] In this embodiment, this structure not only facilitates quick installation and disassembly, but also effectively limits the relative displacement between the air filter duct box 11 and the metal filter screen 3 in the horizontal and vertical directions, preventing the connection from loosening due to high-frequency vibration generated during long-term operation.
[0055] like Figures 1-5 As shown, based on the above embodiment, the air filter duct box 11 is provided with an inspection port (not shown in the figure) and also includes an inspection sealing plate 8, which is detachably connected to the inspection port.
[0056] In this embodiment, an inspection port with a removable inspection cover plate 8 is provided on the air guide box, which allows for inspection or cleaning of the interior (such as filter interface and air guide channel) without disassembling the entire air intake structure, significantly reducing maintenance difficulty and downtime, and improving equipment availability.
[0057] like Figures 1-5 As shown, based on the above embodiment, sealing rings (not shown in the figure) are provided between the air filter 12 and the first air outlet 112, and between the air intake hose 21 and the second air inlet 222.
[0058] In this embodiment, a sealing ring is provided at the connection between the air filter 12 and the first air outlet 112, and between the air intake hose 21 and the second air inlet 222. This effectively prevents unfiltered air from entering the air path through the interface gaps, ensuring that all intake air undergoes double filtration, improving the cleanliness of the air intake of the air compressor, and protecting the main unit from dust wear.
[0059] In summary, this utility model provides a side-suction dual-air filter intake structure for an air compressor. By configuring two air filters 12 in conjunction with an air filter guide box 11 with dual air outlets, and converging the airflow via dual intake hoses 21 to a three-way intake pipe 22, a dual-channel parallel intake filtration system is constructed. This improves intake flow and filtration efficiency while effectively reducing the load on individual filter elements and extending their service life. The side-intake layout is more suitable for space-constrained installation environments, significantly improving the overall integration and layout flexibility. Furthermore, through optimized design integrating a metal filter screen 3, a differential pressure sensor 4, clamp connections 5, a support bracket, a detachable maintenance structure, and sealing rings, the system's pre-filtration capability, operational reliability, sealing performance, and maintenance convenience are further enhanced. The overall structure is compact and functionally complete, making it particularly suitable for industrial air compressor applications requiring high intake air cleanliness, complex operating environments, or long-term stable operation.
Claims
1. A side-suction dual-air filter intake structure for an air compressor, characterized in that, include: An air filtration assembly includes an air filter duct box and two air filters. The air filter duct box is provided with a first air inlet and two first air outlets. The two air filters are respectively connected to the two first air outlets. The circulation component includes an air intake hose and a three-way air intake pipe. There are two air intake hoses. The three-way air intake pipe is provided with a second air outlet and two second air inlets. One end of each of the two air intake hoses is connected to two air filters respectively, and the other end of each of the two air intake hoses is connected to two second air inlets respectively. The second air outlet is used to connect to the air compressor body.
2. The side-suction dual-air filter intake structure for an air compressor as described in claim 1, characterized in that: It also includes a metal filter screen, which is disposed at the first air inlet.
3. The side-suction dual-air filter intake structure for an air compressor as described in claim 1, characterized in that: It also includes a differential pressure sensor, which is connected to one of the inhalation hoses.
4. The side-suction dual-air filter intake structure for an air compressor as described in claim 1, characterized in that: It also includes a clamp, which is fitted onto the intake hose and used to connect the intake hose and the air filter.
5. The side-suction dual-air filter intake structure for an air compressor as described in claim 4, characterized in that: The clamp is fitted onto the second air outlet of the three-way intake pipe and is used to connect the three-way intake pipe and the air compressor body.
6. The side-suction dual-air filter intake structure for an air compressor as described in claim 1, characterized in that: It also includes a crossbeam supporting the air guide box and a column supporting the air guide box. The column supporting the air guide box is vertically set on the ground. The crossbeam supporting the air guide box is vertically connected to the column supporting the air guide box. One end of the air filter air guide box is supported and connected to the crossbeam supporting the air guide box.
7. The side-suction dual-air filter intake structure for an air compressor as described in claim 2, characterized in that: It also includes filter screen pillars, of which there are two. The two filter screen pillars are vertically installed on the ground, and the two sides of the metal filter screen are respectively connected to the two filter screen pillars.
8. The side-suction dual-air filter intake structure for an air compressor as described in claim 2, characterized in that: The air filter duct box is provided with a first connecting part, and the metal filter screen is provided with a second connecting part, and the first connecting part is connected to the second connecting part.
9. The side-suction dual-air filter intake structure for an air compressor as described in claim 1, characterized in that: The air filter duct box is provided with an inspection port and also includes an inspection sealing plate, which is detachably connected to the inspection port.
10. The side-suction dual-air filter intake structure for an air compressor as described in claim 1, characterized in that: A sealing ring is provided between the air filter and the first air outlet, and between the air intake hose and the second air inlet.