CN213088133U

CN213088133U - Air filter with self-noise-reducing structure

Info

Publication number: CN213088133U
Application number: CN202021351830.6U
Authority: CN
Inventors: 侯宗广; 王三杰; 王雨诗
Original assignee: Taicang Lianhong Electric & Plastic Co ltd
Current assignee: Taicang Lianhong Electric & Plastic Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-30
Anticipated expiration: 2030-07-10

Abstract

An air filter with a self-noise-reducing structure comprises an air filter upper cover, an air filter shell and an air inlet, wherein the air filter shell is internally divided into a filter element accommodating part and a resonant cavity part, and a filter element is arranged in the filter element accommodating part; the first resonant cavity is divided into a first resonant cavity and a second resonant cavity by the first partition plate, a first resonant channel is arranged in the first resonant cavity, a second resonant channel is arranged in the second resonant cavity, the air inlet is fixedly arranged on the outer wall of the resonant cavity, the air inlet channel of the air inlet is communicated with the first resonant cavity through the second resonant channel, and the air inlet channel of the air inlet is communicated with the second resonant channel through the second resonant channel. The utility model discloses air cleaner with self-noise reduction structure obtains one kind through the calculation and strains the assembly from the sky of taking the resonant cavity, reduces the production degree of difficulty simultaneously improving the noise of engine, increases product value.

Description

Air filter with self-noise-reducing structure

Technical Field

The utility model belongs to the technical field of automobile engine air intake system, specifically, relate to an air cleaner with self-noise reduction structure.

Background

The engine noise is the main part of the automobile noise and is formed by combining the noises emitted by a plurality of sound sources, among the noise sources of the engine, the intake noise accounts for about 20 percent of the total noise, is a large proportion of all the noise sources and is divided into high-frequency noise and low-frequency noise, if the intake noise is large, uncomfortable feelings are brought to drivers and passengers, generally, an independent resonance silencer is added on the intake side to reduce the noise, the defects are that the occupied space is large, the appearance is not attractive, the cost of the whole automobile is increased, and even a proper silencer cannot be arranged under the condition of insufficient space.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an air cleaner with noise structure falls by oneself has solved among the prior art at present automobile space limited, can't reach the problem that the amortization has the rational arrangement muffler.

The technical scheme is as follows: the utility model provides an air filter with an autologous noise reduction structure, which comprises an air filter upper cover, an air filter shell and an air inlet, wherein the air filter upper cover is arranged on the air filter shell, the air inlet is fixedly arranged on the outer wall of the air filter shell, the air filter shell is internally divided into a filter element accommodating part and a resonance cavity part, and a filter element is arranged in the filter element accommodating part; the first resonant cavity is divided into a first resonant cavity and a second resonant cavity by the first partition plate, a first resonant channel is arranged in the first resonant cavity, a second resonant channel is arranged in the second resonant cavity, the air inlet is fixedly arranged on the outer wall of the resonant cavity, the air inlet channel of the air inlet is communicated with the first resonant cavity through the second resonant channel, and the air inlet channel of the air inlet is communicated with the second resonant channel through the second resonant channel. The utility model discloses air cleaner with self-noise reduction structure obtains one kind through the calculation and strains the assembly from the sky of taking the resonant cavity, reduces the production degree of difficulty simultaneously improving the noise of engine, increases product value.

Further, in the air cleaner with the self-noise-reduction structure, the filter element accommodating part and the resonance cavity part are rectangular in cross section, and one corner of the filter element accommodating part and one corner of the resonance cavity part are overlapped together.

Furthermore, foretell air cleaner with noise structure of making an uproar falls in autologous, filter core accommodation portion stretches into and is equipped with division board two between the outer wall of resonant cavity somatic part and the inner wall that resonant cavity somatic part was equipped with air inlet one side, division board one and division board two set up perpendicularly to division board one is kept away from division board two one end and the inner wall fixed connection of resonant cavity somatic part, carry out inlet channel between division board two and the resonant cavity somatic part, inlet channel and air inlet intercommunication.

Furthermore, in the air cleaner with the self-noise-reduction structure, the first resonant channel and the second resonant channel are communicated with the air inlet channel, an L-shaped partition plate is arranged in the first resonant cavity, a third partition plate is arranged in the second resonant cavity, the first resonant channel is located between the L-shaped partition plate and the inner wall of the resonant cavity, and the second resonant channel is located between the first partition plate and the third partition plate.

Further, foretell air cleaner with structure of making an uproar falls in autologous, be equipped with the seal groove on the up end of division board one, L type division board and division board three, be equipped with a set of sealed muscle on the inner wall of air cleaner upper cover, sealed muscle and seal groove interference pressfitting.

Further, foretell air cleaner with structure of making an uproar falls in autologous, be equipped with a set of arc convex part on the bottom surface of second resonant cavity, a set of arc convex part interval sets up, be equipped with a set of division board on the arc convex part, the axis of division board and arc convex part sets up perpendicularly, a set of division board parallel arrangement to the division board is the wave setting.

Further, foretell air cleaner who has an autogenous noise reduction structure, the air inlet slope sets up to the air inlet is the setting of pipe type, the tip that the air inlet kept away from the air cleaner upper cover is equipped with the spacing boss of annular.

Furthermore, in the air filter with the self-noise reduction structure, the first groove is formed in the outer circumference of the end part, away from the upper cover of the air filter, of the air inlet, and the inclined surface is formed in the end surface, away from the upper cover of the air filter, of the air inlet.

Furthermore, the air filter with the self-noise-reduction structure is characterized in that reinforcing ribs are arranged on the upper cover of the air filter and the shell of the air filter.

Further, foretell air cleaner with structure of making an uproar falls in autologous, be equipped with a set of screw fixation seat on air cleaner upper cover and the air cleaner casing outer fringe, be equipped with set screw on the screw fixation seat.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: air cleaner with self-body noise reduction structure, simple structure, reasonable, convenient to use, the application cost is low, adaptability is good, unites two into one resonance noise elimination chamber and empty the straining, reduces the space demand and reduce manufacturing cost to satisfy the function, pleasing to the eye demand with economic nature has very high spreading value.

The utility model discloses an air cleaner with self-body noise reduction structure has following advantage:

1. the design structure of the resonant channel in the resonant cavity can effectively reduce noise;

2. the resonant cavity and the cavity are sealed in an independent and sealed mode, so that the noise elimination is effectively ensured;

3. the anti-drop groove outside the circular air inlet pipe mouth improves the connection stability.

Drawings

FIG. 1 is a first schematic structural diagram of an air cleaner with an auto noise reduction structure according to the present invention;

FIG. 2 is a second schematic structural view of the air filter with the self-noise reduction structure according to the present invention;

fig. 3 is a third schematic structural diagram of the air filter with the self-body noise reduction structure according to the present invention;

fig. 4 is a schematic structural view of the sealing rib and the sealing groove of the present invention;

fig. 5 is a schematic structural view of the air inlet of the present invention;

fig. 6 is a partially enlarged view of a portion a in fig. 5 according to the present invention.

In the figure: the air cleaner comprises an air cleaner upper cover 1, a reinforcing rib 10, a sealing rib 11, an air cleaner shell 2, a filter element accommodating part 20, a resonant cavity body part 21, a filter element 22, a first partition plate 23, a first resonant cavity 24, a second resonant cavity 25, a first resonant channel 26, a second resonant channel 27, a second partition plate 28, an air inlet channel 29, an L-shaped partition plate 210, a third partition plate 211, a sealing groove 212, an arc-shaped convex part 213, a partition plate 214, an air inlet 3, an annular limiting boss 31, a first groove 32, an inclined surface 33, a screw fixing seat 20 and a fixing screw 201.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The air cleaner with the self-noise reduction structure as shown in fig. 1 comprises an air cleaner upper cover 1, an air cleaner shell 2 and an air inlet 3, wherein the air cleaner upper cover 1 covers the air cleaner shell 2, the air inlet 3 is fixedly arranged on the outer wall of the air cleaner shell 2, the air cleaner shell 2 is internally divided into a filter element accommodating part 20 and a resonance cavity part 21, and a filter element 22 is arranged in the filter element accommodating part 20; the first resonant cavity 21 is internally provided with a first partition plate 23, the first partition plate 23 divides the resonant cavity body 21 into a first resonant cavity 24 and a second resonant cavity 25, the first resonant cavity 24 is internally provided with a first resonant channel 26, the second resonant cavity 25 is internally provided with a second resonant channel 27, the air inlet 3 is fixedly arranged on the outer wall of the resonant cavity body 21, the air inlet channel of the air inlet 3 is communicated with the first resonant cavity 24 through the second resonant channel 27, and the air inlet channel of the air inlet 3 is communicated with the second resonant cavity 25 through the second resonant channel 27. Also, the filter element housing portion 20 and the resonance chamber portion 21 are rectangular in cross section, and one corner of the filter element housing portion 20 and one corner of the resonance chamber portion 21 are overlapped. The design structure adopts the Helmholtz silencer principle to establish two independent small resonant cavities, namely a first resonant cavity 24 and a second resonant cavity 25, for noise with different frequencies, and is integrated on an air filter for eliminating the noise with different frequencies.

In addition, a second partition plate 28 is arranged between the outer wall of the filter element accommodating part 20 extending into the resonant cavity body part 21 and the inner wall of the resonant cavity body part 21 on the side provided with the air inlet 3, the first partition plate 23 and the second partition plate 28 are vertically arranged, one end of the first partition plate 23 far away from the second partition plate 28 is fixedly connected with the inner wall of the resonant cavity body part 21, an air inlet channel 29 is formed between the second partition plate 28 and the resonant cavity body part 21, and the air inlet channel 29 is communicated with the air inlet 3. The first resonant channel 26 and the second resonant channel 27 are both communicated with the air inlet channel 29, an L-shaped partition plate 210 is arranged in the first resonant cavity 24, a partition plate III 211 is arranged in the second resonant cavity 25, the first resonant channel 26 is located between the L-shaped partition plate 210 and the inner wall of the resonant cavity part 21, and the second resonant channel 27 is located between the partition plate I23 and the partition plate III 211.

In addition, the upper end faces of the first partition plate 23, the L-shaped partition plate 210 and the third partition plate 211 are provided with a seal groove 212, the inner wall of the air filter upper cover 1 is provided with a group of seal ribs 11, and the seal ribs 11 and the seal groove 212 are pressed in an interference manner. The first resonant cavity 24 and the second resonant cavity 25 are respectively connected with the air filtering and air inlet channel 29 through the first resonant channel 26 and the second resonant channel 27, the resonant cavities and the resonant channels are formed by buckling an upper cover and a lower shell, and the cavities are ensured to be independent and sealed through interference pressing of a knife-edge-shaped sealing rib on the upper cover and a sealing groove of the lower shell, so that the noise is effectively eliminated.

In the above structure, a set of arc-shaped convex parts 213 is disposed on the bottom surface of the second resonant cavity 25, the set of arc-shaped convex parts 213 are disposed at intervals, a set of partition plates 214 is disposed on the arc-shaped convex parts 213, the axial lines of the partition plates 214 and the arc-shaped convex parts 213 are disposed vertically, the set of partition plates 214 are disposed in parallel, and the partition plates 214 are disposed in a wave shape.

Example two

Based on the structure of embodiment, air inlet 3 inclines to set up to air inlet 3 is the round cast setting, air inlet 3 is kept away from the tip of air cleaner upper cover 1 and is equipped with spacing boss 31 of annular. The outer circumference of the end part of the air inlet 3 far away from the upper cover 1 of the air filter is provided with a first groove 32, and the end surface of the air inlet 3 far away from the upper cover 1 of the air filter is provided with an inclined surface 33. A circle of anti-drop grooves 32 are designed on the outer side of the circular air inlet pipe opening, so that the air inlet pipe and the air filter are effectively prevented from being separated during running of a vehicle.

Furthermore, the air cleaner upper cover 1 and the air cleaner case 2 are provided with reinforcing ribs 10. A set of screw fixing seats 20 are arranged on the outer edges of the air filter upper cover 1 and the air filter shell 2, and fixing screws 201 are arranged on the screw fixing seats 20. The upper cover 1 of the air filter and the shell 2 of the air filter are locked by adopting 9 self-tapping screws, so that the sealing property of the cavity is effectively ensured.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an air cleaner with noise structure falls from body which characterized in that: the air filter comprises an air filter upper cover (1), an air filter shell (2) and an air inlet (3), wherein the air filter upper cover (1) is covered on the air filter shell (2), the air inlet (3) is fixedly arranged on the outer wall of the air filter shell (2), the air filter shell (2) is internally divided into a filter element accommodating part (20) and a resonance cavity part (21), and a filter element (22) is arranged in the filter element accommodating part (20);

wherein, be equipped with division board (23) in resonant cavity somatic part (21), division board (23) are separated resonant cavity somatic part (21) for first resonant cavity (24) and second resonant cavity (25), be equipped with first resonance passageway (26) in first resonant cavity (24), be equipped with second resonance passageway (27) in second resonant cavity (25), air inlet (3) are fixed to be set up on the outer wall of resonant cavity somatic part (21), the inlet channel of air inlet (3) passes through second resonance passageway (27) and first resonant cavity (24) intercommunication, the inlet channel of air inlet (3) passes through second resonance passageway (27) and second resonant cavity (25) intercommunication.

2. The air cleaner with an autologous noise reduction structure according to claim 1, wherein: the filter element accommodating part (20) and the resonant cavity part (21) are rectangular in cross section, and one corner of the filter element accommodating part (20) and one corner of the resonant cavity part (21) are overlapped.

3. The air cleaner with an autologous noise reduction structure according to claim 2, wherein: filter core accommodation portion (20) stretch into and are equipped with division board two (28) between the outer wall of resonant cavity somatic part (21) and the inner wall that resonant cavity somatic part (21) was equipped with air inlet (3) one side, division board one (23) and division board two (28) set up perpendicularly to division board one (23) are kept away from the one end of division board two (28) and the inner wall fixed connection of resonant cavity somatic part (21), carry out inlet channel (29) between division board two (28) and resonant cavity somatic part (21), inlet channel (29) and air inlet (3) intercommunication.

4. The air cleaner with self noise reducing structure of claim 3, wherein: the first resonant channel (26) and the second resonant channel (27) are communicated with the air inlet channel (29), an L-shaped partition plate (210) is arranged in the first resonant cavity (24), a partition plate III (211) is arranged in the second resonant cavity (25), the first resonant channel (26) is located between the L-shaped partition plate (210) and the inner wall of the resonant cavity portion (21), and the second resonant channel (27) is located between the partition plate I (23) and the partition plate III (211).

5. The air cleaner with self noise reducing structure of claim 4, wherein: the air filter is characterized in that sealing grooves (212) are formed in the upper end faces of the first partition plate (23), the L-shaped partition plate (210) and the third partition plate (211), a group of sealing ribs (11) are arranged on the inner wall of the upper cover (1) of the air filter, and the sealing ribs (11) and the sealing grooves (212) are pressed in an interference mode.

6. The air cleaner with an autologous noise reduction structure according to claim 1, wherein: be equipped with a set of arc convex part (213) on the bottom surface of second resonant cavity (25), a set of arc convex part (213) interval sets up, be equipped with a set of division board (214) on arc convex part (213), the axis of division board (214) and arc convex part (213) sets up perpendicularly, a set of division board (214) parallel arrangement to division board (214) are the wave setting.

7. The air cleaner with an autologous noise reduction structure according to claim 1, wherein: air inlet (3) slope sets up to air inlet (3) are the setting of round cast, air inlet (3) are kept away from the tip of air cleaner upper cover (1) and are equipped with spacing boss of annular (31).

8. The air cleaner with an autologous noise reduction structure according to claim 7, wherein: a first groove (32) is formed in the outer circumference of the end portion, away from the upper cover (1) of the air filter, of the air inlet (3), and an inclined surface (33) is formed in the end face, away from the upper cover (1) of the air filter, of the air inlet (3).

9. The air cleaner with an autologous noise reduction structure according to claim 1, wherein: and reinforcing ribs (10) are arranged on the air filter upper cover (1) and the air filter shell (2).

10. The air cleaner with self noise reducing structure of claim 9, wherein: a set of screw fixing seats (20) are arranged on the outer edges of the upper cover (1) of the air filter and the outer edge of the shell (2) of the air filter, and fixing screws (201) are arranged on the screw fixing seats (20).