A commercial vehicle horizontal air filter assembly and a commercial vehicle
Patent Information
- Application Number
- CN202522065758.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-25
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-09-25
Smart Images

Figure CN224871358U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of air filter technology for commercial vehicles, specifically, to a horizontal air filter assembly for commercial vehicles and a commercial vehicle. Background Technology
[0002] The air filter is one of the core components of the engine intake system. Its main function is to filter the air entering the engine turbine, remove dust, moisture and other impurities from the air, provide clean air for the engine, protect the engine and extend its service life.
[0003] Existing air filters generally adopt a horizontal structure. Due to its simple structure and low cost, the horizontal structure is widely used in commercial vehicles. However, the existing horizontal structure has a problem: nuts or bolts are usually pre-embedded in the air filter body and located directly below or in front of the air filter, which limits the installation position of the air filter. Furthermore, when designing the pipeline connecting to the air filter, it is necessary to separately connect components such as a muffler, an air flow measuring device, and an air filter alarm sensor. This results in a large number of intake system components and low assembly efficiency in the workshop. Utility Model Content
[0004] The purpose of this utility model is to provide a horizontal air filter assembly for commercial vehicles and a commercial vehicle, in order to solve the technical problems of inconvenient installation and low integration in the prior art.
[0005] The present invention solves the above problems through the following technical solution:
[0006] A horizontal air filter assembly for commercial vehicles includes: a cylindrical air filter housing, with an air outlet at one end face of the air filter housing, an air flow meter sensor installed inside the air outlet, and a detachable end cap covering the other end face; two-stage air filter elements are installed inside the air filter housing to filter the air entering the air filter housing from the air inlet through the two-stage air filter elements, and then the air is discharged to the engine turbine end through the air outlet; an air inlet is provided on the outer circular edge of the air filter housing, a muffler is installed inside the air inlet, and slots are respectively provided on the cylindrical circumference of the outer edge of the air filter housing on both sides of the air inlet, each slot having a pre-set clamp-type mounting bracket, and the air filter assembly is installed at any angle by cooperating with the clamp-type mounting bracket.
[0007] As a further improvement, the air inlet axis is set tangentially along the cross-section of the air filter housing.
[0008] As a further improvement, the air inlet is located on the outer circular surface of the air filter housing near the air outlet. The air inlet is a straight pipe extending outside the air filter housing, and both the air inlet and the air outlet are circular.
[0009] As a further improvement, a dust discharge port is provided on the outer circular surface of the air filter housing. The dust discharge port is located at the end of the air filter housing away from the air outlet and at the lowest point of the air filter.
[0010] As a further improvement, a dust discharge valve is installed on the dust discharge pipe.
[0011] As a further improvement, the dust discharge port is located on the end cover; the end cover includes a cover plate and a sealing ring, the sealing ring is sleeved and installed on one side of the cover plate, and the outer wall is in contact with the inner wall of the air filter housing at the end away from the air outlet to achieve a seal.
[0012] As a further improvement, four fastening clips are evenly distributed circumferentially on the outer wall of the end cap located outside the sealing ring, so as to install the air filter housing and the end cap by means of the fastening clips.
[0013] As a further improvement, a sensor bracket is fixed with screws directly above the air outlet so that the air flow meter sensor can be installed on the inner side of the end face of the air outlet.
[0014] As a further improvement, an air filter maintenance indicator switch sensor is provided on the edge of the air filter housing near the air outlet end. This air filter maintenance indicator switch sensor extends into the air filter housing and communicates with the cab instrument panel via a wiring harness.
[0015] As a further improvement, the two-stage air filter includes a main air filter and a safety filter connected and coaxially, with one end of the safety filter installed in a circular sealing sleeve extending into the end cover inside the air filter housing, and one end of the main filter installed in the end cover.
[0016] Compared with the prior art, this utility model has the following advantages and beneficial effects:
[0017] (1) This utility model uses two clamp-type mounting brackets to fix the air filter assembly. The mounting brackets can be rotated 360° to fit various spatial positions. A built-in muffler is set at the air filter inlet, an air flow meter sensor is set at the air filter outlet, and an air filter maintenance indicator switch sensor is set on the end face of the air filter body near the outlet. Its advantage is that the air filter is highly integrated, which can make full use of the space for installation, reduce the types of parts, and greatly increase the assembly efficiency.
[0018] (2) The types of parts in this utility model are simplified: After the air filter assembly is integrated, the types of parts can be reduced by more than two, thereby improving the assembly efficiency. Attached Figure Description
[0019] Figure 1This is a schematic diagram of the structure of a horizontal air filter assembly for commercial vehicles according to the present invention;
[0020] Figure 2 This is a schematic diagram of the installation of the air flow meter sensor of this utility model;
[0021] Figure 3 This is a schematic diagram of the installation of the sensor support of this utility model;
[0022] Figure 4 This is an exploded schematic diagram of a horizontal air filter assembly for commercial vehicles according to the present invention.
[0023] Figure 5 This is a schematic diagram showing the position of the sealing sleeve of this utility model.
[0024] Figure label:
[0025] 1-Air filter housing; 11-Air inlet; 111-Silencer; 12-Air outlet; 121-Air flow meter sensor; 122-Screw; 123-Sensor bracket; 13-Fastening buckle; 14-Air filter maintenance indicator switch sensor; 15-Sealing sleeve; 16-Slot; 2-Two-stage air filter element; 21-Main filter element; 22-Safety filter element; 3-End cap; 31-Cover plate; 32-Sealing ring; 33-Support ring; 34-Dust exhaust pipe; 4-Mounting bracket; 5-Dust exhaust valve. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example:
[0028] Combined with appendix Figure 1-5 As shown, a horizontal air filter assembly for commercial vehicles includes: an air filter housing 1, which is cylindrical, with an air inlet 11 on the outer edge of the housing. The axis of the air inlet 11 is tangentially arranged along the cross-section of the air filter housing 1 and located at one end of the outer surface of the housing near the air outlet. A muffler 111 is installed inside the end of the air inlet 11. An air outlet 12, which communicates with the air inlet 11, is provided on one end face of the housing 1, and an air flow meter sensor 121 is installed inside the outlet 12. Two-stage air filter elements 2 are installed inside the housing to filter the air entering the housing 1 through the air inlet 11 and then discharge it to the engine turbine through the outlet 12.
[0029] The air filter housing 1 has a cylindrical circumferentially ...
[0030] Preferably, the air inlet 11 is located on the outer circumference of the air filter housing 1 at one end near the air outlet 12, so that the other end can be fitted with an end cap or other structure. In this embodiment, there are two slots 16, respectively located on the left and right sides of the air inlet 11, so that they can be respectively located at the left and right ends of the air filter housing 1.
[0031] In this embodiment, a muffler 111 is provided at the front end of the air inlet 11, that is, at the end away from the air filter housing. The air inlet 11 is a straight pipe extending outside the air filter housing. Both the air inlet 11 and the air outlet 12 are circular.
[0032] The sensor bracket 123 is located directly above the air outlet 12 and is fixed by screws 122, so that the air flow meter sensor 121 can be installed through the opening above the air outlet 12 onto the inner side of the end face of the air outlet 12. The sensor bracket is located directly above the air outlet and is fixed by two screws diagonally opposite each other, allowing the connecting harness to rotate 180°.
[0033] Furthermore, an air filter maintenance indicator switch sensor 14 is located on the edge of the air filter housing 1 near the air outlet 12. This sensor extends into the air filter housing 1 and communicates with the dashboard instrument panel via a wiring harness. When the sensor detects that the air filter housing is too dirty, causing the resistance to increase to a preset threshold, the computer sends a signal to the maintenance indicator on the dashboard, triggering a light or the air filter maintenance indicator to illuminate, reminding the owner to replace the air filter. The air filter maintenance indicator uses an airflow sensor to detect the cleanliness and resistance of the air filter, triggering the computer to issue a warning signal, reminding the owner to replace the air filter to maintain normal engine operation.
[0034] In an optional embodiment, the specific structure of the two-stage air filter element 2 includes: a main air filter element 21 and a safety filter element 22 connected together. The two-stage air filter element 2 is a cylindrical shape with one open end. The main filter element 21 and the safety filter element 22 are located inside the air filter housing 1 and are connected coaxially. The open end of the two-stage air filter element 2, i.e., the safety filter element 22, is installed in a circular sealing sleeve 15 extending towards the end cover inside the air filter housing. The closed end of the two-stage air filter element 2, i.e., the end near the main filter element 21, is installed in a support ring 33. Gas enters the air filter housing from the air inlet 11 and then enters the two-stage air filter element 2. After being filtered by the main air filter element 21 and the safety filter element 22, it is output from the air outlet 12. Impurities or larger dust particles accumulate at the bottom and are discharged through the dust discharge valve 5. The dust discharge pipe 34 faces the outer wall of the support ring 33. The core working principle of the two-stage air filter element is to filter impurities and dust in the air through physical barrier, ensuring that clean air enters the engine. This invention employs a dry filter element, utilizing a paper filter structure that uses fibrous material to block dust particles. When air passes through a two-stage air filter, larger particles are directly intercepted, while smaller particles adhere to the filter paper surface. This structure relies on mechanical blocking and fiber adsorption to achieve filtration, resulting in low cost and easy maintenance. Simply put, it drives airflow through pressure difference. The two-stage air filter structure is an existing design and will not be described in detail here.
[0035] In another optional embodiment, a dust discharge port 34 is also provided on the outer circular surface of the air filter housing 1. The dust discharge port 34 is located at the end of the air filter housing away from the air outlet 12 and at the lowest point of the air filter. A dust discharge valve 5 is also installed on the dust discharge port 34 so that the dust discharge valve can discharge the filtered dust and water in a timely manner.
[0036] Preferably, the end of the air filter housing 1 furthest from the outlet 12 is provided as a detachable end cap 3, and the dust discharge port 34 is provided on the end cap 3. Specifically, the end cap 3 includes a cover plate 31 and a sealing ring 32. The sealing ring 32 is provided on one side of the cover plate 31. The outer wall of the sealing ring 32 fits against the inner wall of the open end of the air filter housing 1, i.e., the end furthest from the outlet 12, to achieve a seal and facilitate the maintenance and replacement of the two-stage air filter elements, as well as the quick positioning and assembly of the air filter housing. The side of the end cap 3 where the sealing ring 32 is provided also has a support ring 33 for fitting the sealing ring 32. Furthermore, four fastening buckles 13 are provided on the outer side of the sealing ring 32, evenly distributed circumferentially on the outer wall of the open end of the top plate air filter housing 1, to fix the air filter housing 1 and the end cap 3 in place.
[0037] Both ends of the air filter element are connected to the air filter housing, forming a regular annular channel inside the air filter housing. This prevents turbulent airflow, further stabilizes the internal airflow, and improves the airtightness of the filter element mounting end face. At the same time, the support ring blocks the ends of the air filter element to prevent the separated dust from adhering to the surface of the air filter element, ensuring the smooth discharge of dust.
[0038] This utility model provides a horizontal air filter assembly for commercial vehicles, which uses two clamp-type mounting brackets to fix the air filter assembly. These brackets can rotate 360° for assembly, adapting to various spatial positions. A muffler is built into the air filter inlet, and a support frame is also provided in the inlet to ensure its structural strength. An air flow meter sensor is installed at the air outlet, and an air filter alarm sensor is installed on the end face of the air filter body near the air outlet. Its advantages include a high degree of air filter integration, efficient space utilization, reduced component types, and significantly increased assembly efficiency.
[0039] Although the present invention has been described herein with reference to illustrative embodiments, the above embodiments are merely preferred embodiments of the present invention, and the implementation of the present invention is not limited to the above embodiments. It should be understood that those skilled in the art can design many other modifications and implementations, which will fall within the scope and spirit of the principles disclosed in this application.
Claims
1. A horizontal air filter assembly for commercial vehicles, characterized in that, include: The air filter housing is cylindrical. One end face of the air filter housing is provided with an air outlet, and an air flow meter sensor is installed inside the air outlet. The other end face is covered with a detachable end cap. The air filter housing contains two-stage air filter elements to filter the air entering the air filter housing through the air intake, and then discharge it to the engine turbine through the air outlet. The outer circumference of the air filter housing is provided with an air intake, and a muffler is installed in the air intake. On both sides of the air intake, there are grooves on the cylindrical circumference of the outer edge of the air filter housing. Each groove is equipped with a clamp-type mounting bracket. The air filter housing is used with the clamp-type mounting bracket to install the air filter assembly at any angle.
2. The commercial vehicle horizontal air filter assembly according to claim 1, characterized in that, The air inlet is located on the outer circular surface of the air filter housing near the air outlet. The air inlet is a straight pipe extending outside the air filter housing, and both the air inlet and the air outlet are circular.
3. The horizontal air filter assembly for commercial vehicles according to claim 1, characterized in that, The outer circular surface of the air filter housing is also provided with a dust discharge port, which is located at the end of the air filter housing away from the air outlet and at the lowest point of the air filter.
4. The horizontal air filter assembly for commercial vehicles according to claim 3, characterized in that, A dust discharge valve is installed on the dust discharge pipe opening.
5. A horizontal air filter assembly for commercial vehicles according to claim 3, characterized in that, The dust discharge port is located on the end cap; The end cap includes a cover plate and a sealing ring. The sealing ring is sleeved and installed on one side of the cover plate, and its outer wall is in contact with the inner wall of the air filter housing at the end away from the air outlet to achieve a seal.
6. The horizontal air filter assembly for commercial vehicles according to claim 5, characterized in that, Four fastening clips are evenly distributed circumferentially on the outer wall of the end cap located outside the sealing ring, so as to install the air filter housing and the end cap by means of the fastening clips.
7. The horizontal air filter assembly for commercial vehicles according to claim 1, characterized in that, A sensor bracket is fixed with screws directly above the air outlet so that the air flow meter sensor can be installed on the inner side of the end face of the air outlet.
8. The horizontal air filter assembly for commercial vehicles according to claim 1, characterized in that, An air filter maintenance indicator switch sensor is provided on the edge of the air filter housing near one end of the air outlet. The air filter maintenance indicator switch sensor extends into the air filter housing and communicates with the cab instrument panel via a wiring harness.
9. A horizontal air filter assembly for commercial vehicles according to any one of claims 1-8, characterized in that, The two-stage air filter includes a main air filter and a safety filter connected and coaxially. One end of the safety filter is installed in a circular sealing sleeve extending into the end cover inside the air filter housing, and one end of the main filter is installed in the end cover.
10. A commercial vehicle, characterized in that, The assembly includes a horizontal air filter for commercial vehicles as described in any one of claims 1-9.