CN215860557U

CN215860557U - Empty filter base and empty filter

Info

Publication number: CN215860557U
Application number: CN202122323567.0U
Authority: CN
Inventors: 邵海波
Original assignee: Chongqing Jiamu Machinery Co Ltd
Current assignee: Chongqing Jiamu Machinery Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an air filter base which comprises a base body, wherein a hose connector and an air outlet interface are arranged on the base body, a partition structure is arranged in the base body, the partition structure partitions an inner cavity of the base body into an air inlet cavity and an air outlet cavity, the air inlet cavity is communicated with the hose connector, the air outlet cavity is communicated with the air outlet interface, guide plates are distributed in the air inlet cavity, and S-shaped air inlet channels are formed in the air inlet cavity due to the arrangement of the guide plates. The S-shaped air inlet channel disperses the power of the flowing gas, can effectively control the noise in the engine and improves the filtering effect of the gas. The whole structure is simple, and the using effect is better.

Description

Empty filter base and empty filter

Technical Field

The utility model relates to the technical field of air filters, in particular to an air filter base and an air filter.

Background

The engine needs to suck a large amount of air in the working process, if the sucked air is not filtered, dust and particulate matters suspended in the air are sucked into the cylinder, the abrasion of a piston group and the cylinder can be accelerated, and the phenomenon of serious cylinder pulling can be caused when larger particles enter between the cylinder and the piston, so that an air filter is generally arranged in front of a carburetor or an air inlet pipe of the gasoline engine to ensure that sufficient clean air enters the cylinder.

But current empty filter generally includes base and lid, is equipped with inlet port and venthole on the base, establishes the filter core in the base, and in the air got into empty filter through the inlet port, discharged through the venthole after the filter core filters, this kind of air directly advances the filtration mode of directly going out, and the filter effect of air is relatively poor on the one hand, and on the other hand causes the cylinder noise great, consequently urgently needs to improve.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides an air filter base and an air filter, and aims to solve the problems in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides an air filter base, includes base body, establishes hose nipple and the interface of giving vent to anger on this base body, this internal division structure that is equipped with of base, this division structure will base body' S inner chamber is cut apart into the chamber of admitting air and is given vent to anger the chamber, should admit air the chamber with hose nipple intercommunication, should go out the chamber with the interface intercommunication of giving vent to anger, the intracavity of admitting air distributes and has the guide plate, and setting up of this guide plate makes it forms S type inlet channel to admit air the intracavity.

According to the technical scheme, gas flows along the S-shaped gas inlet channel after entering the gas inlet cavity, enters the gas outlet cavity after being filtered, enters the gas outlet interface through the gas outlet cavity, and then enters the engine. The S-shaped air inlet channel disperses the power of the flowing gas, can effectively control the noise in the engine and improves the filtering effect of the gas. The whole structure is simple, and the using effect is better.

Preferably, the partition structure is an inverted U-shaped structure, the air outlet cavity is located in a space enclosed by the inverted U-shaped structure, and three sides of the air inlet cavity surround the air outlet cavity.

So set up, gaseous entering is divided into two the tunnel behind the chamber of admitting air, and the S type inlet channel through both sides gets into out the gas chamber, has further disperseed the power that gaseous entering was admitted air the intracavity, does benefit to the promotion of gas filtration effect and the control of engine noise.

Preferably, a supporting block is arranged at a position, close to the communication position of the air inlet cavity and the air outlet cavity, on the dividing structure, and a filtering component is arranged on the supporting block.

Preferably, a flow baffle is further disposed on the dividing structure, the flow baffle is located in an area between the filter assembly and the air outlet interface, and the flow baffle changes the flow direction of the air flowing through the filter assembly.

So set up, gaseous entering after filter element filters goes into out the air cavity, because keep off the effect that flows the board, the gas flow direction changes, flows to the one side of keeping away from the interface of giving vent to anger, avoids gaseous entering to go out direct flow to the kneck outflow of giving vent to anger behind the air cavity.

Preferably, a plurality of positioning blocks are arranged in the air outlet cavity, the positioning blocks are distributed along the circumferential direction of the air outlet interface, a filtering component is arranged on each positioning block, and air enters the air outlet interface after passing through the filtering component.

So set up, the gaseous accessible after the flow direction change filter assembly on this locating piece further filters the back rethread interface flow to engine of giving vent to anger, has improved gas filtration effect.

Preferably, the filter assembly comprises two parallel-arranged separation nets and a foam plate arranged between the two separation nets.

The air filter comprises an air filter base, wherein a bottom cover is connected to the air filter base, the air inlet cavity and the air outlet cavity are sealed after connection, an oil cup is connected to the inner cavity of the air filter base, the air inlet cavity and the air outlet cavity are communicated through the oil cup, and a filter element is arranged in the oil cup.

Preferably, the base body is provided with a positioning bump, and the oil cup is connected with the base body through a positioning concave part arranged on the oil cup.

So set up, avoid the oil cup to remove on base body, improve stability and gas filtration efficiency.

Preferably, the connecting bottom cover and the air filter base are provided with decorative covers, so that the whole structure is attractive, and the hose connector and the air outlet connector on the base body can be effectively protected.

Compared with the prior art, the utility model has the beneficial effects that: the S-shaped air inlet channel is arranged, so that the power of air entering is dispersed, the noise in an engine can be effectively controlled, the air filtering effect is indirectly improved, and the S-shaped air inlet channel is simple in integral structure, convenient to manufacture and good in using effect.

Description of the drawings:

FIG. 1 is a schematic structural view of an air filter base according to the present invention;

FIG. 2 is a front view of the air filter of the present invention;

fig. 3 is an exploded view of fig. 2.

Detailed Description

The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

The air filter base shown in fig. 1 comprises a base body 20 with an inner cavity, a hose connector 28 and an air outlet port 29 are arranged on the base body 20, the hose connector 28 is located above the air outlet port 29, in this embodiment, the opening directions of the hose connector 28 and the air outlet port 29 are the same, the central lines of the hose connector 28 and the air outlet port 29 are parallel to each other, and the hose connector 28 adopts an external thread connector which is connected with a hose to facilitate air inlet during use. A partition structure 21 is arranged in the base body 20, the partition structure 21 partitions the inner cavity of the base body 20 into an air inlet cavity 22 and an air outlet cavity 23, the air inlet cavity 22 is communicated with the hose connector 28, and the air outlet cavity 23 is communicated with the air outlet interface 29.

In this embodiment, cutting structure 21 is the type of falling U structure, and is located the middle part of base body 20 inner chamber, and the width of the type of falling U structure is greater than base body 20's width, and the type of falling U structure extends base body 20 along width direction from the picture, goes out the gas cavity 23 and is located the space that the type of falling U structure encloses, and the chamber 22 that admits gas sets up around going out gas cavity 23 on three sides. The guide plates 24 are distributed in the air inlet cavity 22, the guide plates 24 are arranged to form an S-shaped air inlet channel in the air inlet cavity 22, and the guide plates 24 can be arranged in the whole air inlet cavity 22 or only in the air inlet cavity 22 at two sides of the air outlet cavity 23.

The communicating position department that is close to air inlet cavity 22 and air outlet cavity 23 on cutting apart structure 21 is equipped with supporting shoe 25, and supporting shoe 25 sets up the position department that is close to its lower extreme on cutting apart structure 21 promptly, totally four, two liang a set of and relative setting, establishes filter assembly 5 on two sets of supporting shoes 25, and filter assembly 5 is including setting up two parallel arrangement on supporting shoe 25 separate the net with set up two foam boards that separate between the net.

A plurality of positioning blocks 27 are arranged in the air outlet cavity 23, the positioning blocks 27 are distributed along the circumferential direction of the air outlet interface 29, a filtering component is arranged on the positioning blocks 27, the filtering component can also adopt a structure that a foam board is arranged between two partition boards, and air enters the air outlet interface 29 after passing through the filtering component.

The partition structure 21 is further provided with a flow baffle 26, the flow baffle 26 is located in an area between the filtering component 5 and the air outlet port 29, a plane of the flow baffle 26 is parallel to a plane of the filtering component 5, the width of the flow baffle 26 is smaller than that of the filtering component 5, one side of the flow baffle 26 close to the air outlet port 29 is provided, so that the flow direction of gas flowing through the filtering component 5 can be changed due to the action of the flow baffle 26, specifically, the gas flows to one side far away from the air outlet port 29, so that the gas can pass through the filtering component on the positioning block 27 for filtering, the gas is prevented from directly flowing upwards after the flow baffle 26 is removed, and the filtering component on the positioning block 27 plays a little role at this time.

The air filter shown in the attached drawings 2 and 3 comprises an air filter base shown in the attached drawing 1, wherein a bottom cover 4 is connected to the air filter base, and the air filter base can be connected in an embedded mode, namely the periphery of the bottom cover 4 is connected with the periphery of a base body 20, a sealing ring is embedded at the joint for sealing, so that the sealing of an air inlet cavity 22 is ensured, the structure in the bottom cover 4 is connected with the edge of a partition structure 21, and the sealing ring is embedded at the joint for sealing, so that the sealing of an air outlet cavity 23 is ensured. Meanwhile, the base body 20 is provided with a first connecting support lug 43, and a second connecting support lug 41 connected with the first connecting support lug 43 is arranged at a position corresponding to the connecting bottom cover 4, so that the base body 20 and the connecting bottom cover 4 are integrally and firmly connected.

Be connected with oil cup 3 at the inner chamber lower extreme of empty filter base, the lower extreme of cutting structure 21 stretches into in this oil cup 3, and can seal in the junction with oil cup 3, admit air chamber 22 and go out the gas chamber 23 and pass through oil cup 3 intercommunication, be equipped with the filter core through mounting groove 31 in this oil cup 3, the filter core adopts the different mesh number filter cores of level four, simultaneously for improving stability, be equipped with location lug 34 on base body 20, oil cup 3 fixes a position through the location concave part 32 and the base body 20 that its lower extreme set up. The filtering components on the supporting block 25 are located above the filter element, the flow baffle 26 is located above the filtering components on the supporting block 25 and is parallel to each other, and the filtering components on the positioning block 27 are located above the flow baffle and are perpendicular to the plane of the flow baffle 26.

For the sake of overall aesthetics and protection of the hose connector 28 and the air outlet connection 29, a decorative cover 1 is provided on the connecting bottom cover 4 and the air filter base, the decorative cover 1 being half-wrapped around the connecting bottom cover 4 and the air filter base. In particular a fastener connection or an embedded connection.

The air filter is used in the following process and principle:

the hose connector 28 is connected with the hose, air enters the air inlet cavity 22 through the hose, enters the oil cup 3 through an S-shaped air inlet channel of the air inlet cavity, is filtered by the filter element and then is filtered by the filter assembly on the supporting block 25, then changes the air flow direction after passing through the baffle plate 26, deviates to one side far away from the air outlet connector 29, then is filtered by the filter assembly on the positioning block 27, and flows into the engine through the air outlet connector 29 after being triple-filtered. The filter effect is good, and can effectively control engine noise.

The foregoing describes preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. An air filter base, includes base body (20), establishes hose nipple (28) and interface (29) of giving vent to anger on this base body (20), its characterized in that: be equipped with partition structure (21) in base body (20), this partition structure (21) will the inner chamber of base body (20) is cut apart into air inlet cavity (22) and is gone out gas cavity (23), this air inlet cavity (22) with hose nipple (28) intercommunication, this air outlet cavity (23) with interface (29) intercommunication of giving vent to anger, guide plate (24) have been distributed in air inlet cavity (22), and the setting up of this guide plate (24) makes form S type inlet channel in air inlet cavity (22).

2. The air filter base of claim 1, wherein: the partition structure (21) is an inverted U-shaped structure, the air outlet cavity (23) is located in a space enclosed by the inverted U-shaped structure, and the air inlet cavity (22) is surrounded on three sides by the air outlet cavity (23).

3. The air filter base of claim 1, wherein: a supporting block (25) is arranged at a position, close to the communication position of the air inlet cavity (22) and the air outlet cavity (23), on the dividing structure (21), and a filtering component (5) is arranged on the supporting block (25).

4. An air filter base according to claim 3, wherein: the dividing structure (21) is further provided with a flow baffle plate (26), the flow baffle plate (26) is located in an area between the filtering assembly (5) and the air outlet interface (29), and the flow baffle plate (26) enables the flow direction of the air flowing through the filtering assembly (5) to be changed.

5. The air filter base of claim 4, wherein: a plurality of positioning blocks (27) are arranged in the air outlet cavity (23), the positioning blocks (27) are distributed along the circumferential direction of the air outlet interface (29), a filtering component is arranged on the positioning blocks (27), and air enters the air outlet interface (29) after passing through the filtering component.

6. An air filter base according to claim 3, wherein: the filter assembly (5) comprises two parallel separation nets and a foam plate arranged between the two separation nets.

7. An air filter, characterized in that: the air filter base comprises the air filter base as claimed in any one of claims 1 to 6, wherein a bottom cover (4) is connected to the air filter base, the air inlet cavity (22) and the air outlet cavity (23) are sealed after connection, an oil cup (3) is connected to the inner cavity of the air filter base, the air inlet cavity (22) and the air outlet cavity (23) are communicated through the oil cup (3), and a filter element is arranged in the oil cup (3).

8. The air filter according to claim 7, wherein: the base body (20) is provided with a positioning lug (34), and the oil cup (3) is connected with the base body (20) through a positioning concave part (32) arranged on the oil cup.

9. The air filter according to claim 8, wherein: and a decorative cover (1) is arranged on the connecting bottom cover (4) and the air filter base.