CN215927607U

CN215927607U - Automatic drainage device of air filter and automobile

Info

Publication number: CN215927607U
Application number: CN202122084371.0U
Authority: CN
Inventors: 徐波; 王之甫; 王成云; 王少云; 申建中
Original assignee: Dongfeng Off Road Vehicle Co Ltd
Current assignee: Dongfeng Off Road Vehicle Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-01
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to the technical field of automobile part structures, in particular to an automatic drainage device of an air filter and an automobile. Casing including air cleaner, its characterized in that: a water collecting tank for collecting accumulated water is arranged on the inner side of the bottom of the shell; at least one low-lying point is arranged at the bottom of the water collecting tank; the low-lying points and the bottoms of the water collecting grooves adjacent to the low-lying points are in inclined smooth transition; a water outlet communicated with the low-lying point is formed in the outer side of the bottom of the water collecting tank; the water outlet is provided with a one-way valve which limits water outside the shell from entering the inner side of the shell but does not limit the water inside the shell from flowing out of the shell; the shell is also provided with a rainproof structure. The utility model has simple structure, can conveniently discharge water in the air filter, does not have the problem that water flows backwards to enter the air filter under the wading environment condition, prolongs the service life of the filter element in the air filter and has great popularization value.

Description

Automatic drainage device of air filter and automobile

Technical Field

The utility model relates to the technical field of automobile part structures, in particular to an automatic drainage device of an air filter and an automobile.

Background

Many special vehicles have wading requirements, such as military vehicles, and the vehicles are required to wade for 1.2m, and at the moment, the air filter of the vehicles needs to be arranged outside the engine room, and at the moment, the bottom of the shell of the air filter and a pipeline are required not to accumulate water, so that water is prevented from entering the engine from an air inlet system. The air filter in the prior art can only be applied to a dry environment and cannot be used under the environment exposed to rainwater or wading requirements. In addition, prior art's air cleaner can not use under the environment of wading, during wading, and the air cleaner casing can intake and ponding, damages the filter core, and then influences the normal work of engine.

In order to solve the technical problem, the chinese utility model patent entitled "drainage structure for air cleaner and air cleaner with the drainage structure" with patent number "CN 203702390U discloses a structure of an air cleaner, the drainage structure for air cleaner includes a plug and a drain pipe, a one-way valve is arranged on the detachably connected drain pipe of the plug and the drain pipe, and the one-way valve allows water to flow to the outside from the drain pipe in one way. When the air filter is designed for different vehicle types, the design of the air filter of different vehicle types can be met only by changing the trend of the drain pipe, the universal design is realized, and the development cost of the whole vehicle is reduced. However, the technical problems still exist in the scheme, for example, the structure arranged at the bottom of the casing of the air filter is inconvenient for collecting accumulated water, even if a drain pipe is installed, some water can be accumulated at the bottom of the casing, and the water is difficult to be discharged completely through the drain pipe, so that the service life of the air filter is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the background technology and provides an automatic drainage device of an air filter and an automobile.

The technical scheme of the utility model is as follows: the utility model provides an automatic drainage device of air cleaner, includes the casing of air cleaner, its characterized in that: a water collecting tank for collecting accumulated water is arranged on the inner side of the bottom of the shell; at least one low-lying point is arranged at the bottom of the water collecting tank; the low-lying points and the bottoms of the water collecting grooves adjacent to the low-lying points are in inclined smooth transition; a water outlet communicated with the low-lying point is formed in the outer side of the bottom of the water collecting tank; the water outlet is provided with a one-way valve which limits water outside the shell from entering the inner side of the shell but does not limit the water inside the shell from flowing out of the shell; the shell is also provided with a rainproof structure.

The shell is a hollow cylindrical structure with a circular cross section; the water collecting tank is a sinking structure which is arranged at the lower end of the shell along the axial direction of the shell and is lower than the lower end of the shell.

The water outlet is a tubular structure with the upper end communicated with a low-lying point of the water collecting tank; a thread structure is arranged on the inner side or the outer side of the water outlet; the check valve is fixedly connected with the lower end of the water outlet through a thread structure.

The rain-proof structure further comprises an air inlet pipe; the lower end of the air inlet pipe is communicated with the shell, and the upper end of the air inlet pipe is provided with a rain-proof cap; the rain-proof cap is fixed at the upper end of the air inlet pipe and used for preventing rainwater from entering the air inlet pipe.

The air inlet pipe further comprises a vertical pipe arranged vertically and a horizontal pipe arranged horizontally and transversely; one end of the transverse pipe penetrates through the side wall of the shell to be communicated with the inner cavity of the shell, and the other end of the transverse pipe is communicated with the lower end of the vertical pipe through an elbow; the rain-proof cap is fixed at the upper end of the vertical pipe.

Further in the riser is inserted to the lower extreme of rain-proof cap, locate the clamp and the riser fixed connection in the riser outside through the cover.

Furthermore, the lower end of the vertical pipe is provided with an upper flange plate, and the upper end of the elbow is provided with a lower flange plate; the upper flange plate is fixedly connected with the lower flange plate into a whole through bolts.

Further, the horizontal pipe and shell connecting interface is crossed with the horizontal plane where the axis of the shell is located.

And the axis of the water outlet and the axis of the air inlet pipe are positioned in the same vertical plane.

An automobile comprising an automatic air filter drainage device is provided with the automatic air filter drainage device.

The utility model has simple structure, can conveniently discharge water in the air filter, does not have the problem that water flows backwards to enter the air filter under the wading environment condition, and can automatically discharge the rainwater in real time if the negative pressure at the air inlet of the engine sucks a small amount of rainwater into the air filter shell when the automobile runs in rainy days, thereby prolonging the service life of the filter element in the air filter and having great popularization value.

Drawings

FIG. 1: the utility model has a structure schematic diagram;

FIG. 2: front view of the housing of the present invention;

FIG. 3: the shell of the utility model is a schematic cross-sectional view;

wherein: 1-a housing; 2, a water collecting tank; 3, water outlet; 4-a one-way valve; 5, rain-proof cap; 6, a transverse pipe; 7, bending the pipe; 8, a vertical pipe; 9, clamping a hoop; 10-an upper flange plate; 11-lower flange.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The utility model is described in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1 to 3, the present embodiment relates to an automatic water drainage device for an air cleaner, and the water drainage device of the present embodiment is installed on the air cleaner, and is used for draining water in the air cleaner and preventing external water from flowing backwards into the air cleaner in a wading environment. The drainage device of the embodiment comprises a shell 1 of the air filter, wherein the shell 1 is a hollow cylindrical structure with a circular cross section, and two ends of the shell are sealed by end covers. The inboard water catch bowl 2 that is provided with the collection ponding in casing 1 bottom, water catch bowl 2 set up in casing 1 lower extreme along 1 axial arrangements of casing and be less than the formula structure that sinks of casing 1 lower extreme. The bottom of the water collecting tank 2 is provided with at least one low-lying point, the low-lying point and the bottom of the water collecting tank 2 adjacent to the low-lying point are in inclined smooth transition, the bottom of the water collecting tank 2 is provided with the low-lying point, the outer side of the bottom of the water collecting tank 2 is provided with a water outlet 3 communicated with the low-lying point, and by means of the arrangement structure, the water in the shell 1 can be collected into the water collecting tank 2, and the water in the water collecting tank 2 is collected to the low-lying point and is discharged through the water outlet 3.

In order to avoid the external water from flowing backward in the wading environment, the one-way valve 4 is provided at the water outlet 3 to limit the water outside the housing 1 from entering the inside of the housing 1, but not to limit the water inside the housing 1 from flowing out of the housing 1.

In addition, in the present embodiment, a rain-proof structure is provided at the air inlet position of the housing 1. As shown in fig. 1, the rain-proof structure includes the intake pipe, intake pipe lower extreme intercommunication casing 1, and the upper end is provided with rain-proof cap 5, and the rain-proof cap 5 structure of this embodiment can refer to the chinese utility model patent of the name "possess the air inlet cap and the connection structure of drainage dust exhaust function" that patent number is "CN 211819741U", and rain-proof cap 5 is fixed and is used for preventing the rainwater from entering into in the intake pipe on the intake pipe.

The concrete structure is as shown in fig. 1, and the intake pipe includes along vertical arrangement's standpipe and along horizontal transverse arrangement's violently pipe 6, violently manages 6 one end and passes 1 lateral wall of casing and 1 inner chamber intercommunication of casing, and the other end passes through

elbow

7 and 8 lower extreme intercommunications of standpipe, and rain-proof cap 5 is fixed in the upper end of standpipe 8. The lower extreme of rain-proof cap 5 inserts in the standpipe 8, locates the clamp 9 and the standpipe 8 fixed connection in the standpipe 8 outside through the cover. The lower end of the vertical pipe 8 is provided with an upper flange 10, the upper end of the elbow 7 is provided with a lower flange 11, and the upper flange 11 is fixedly connected with the lower flange 10 into a whole through bolts. The connection interface of the transverse tube 6 and the shell 1 is crossed with the horizontal plane where the axis of the shell 1 is positioned.

As shown in fig. 1, the axis of the water outlet 3 and the axis of the air inlet pipe are in the same vertical plane. Ponding in the casing 1 generally all is produced after the air condensation that the air inlet got into, through violently setting up violently pipe 6 in same vertical plane with delivery port 3, can shorten the distance between air inlet and the delivery port for the discharge rate of ponding.

The specific working process is as follows: air enters the shell 1 from the rain hat 5, when the humidity in the air is high, moisture in the air condenses in the shell 1 to form water drops, the water drops are gathered in the shell to form accumulated water, the accumulated water is gathered in the water collecting tank 2 and is discharged out of the shell 1 through the water outlet 3. When in a wading environment, external water cannot enter the housing 1 due to the action of the one-way valve 4.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An automatic drainage device of an air filter comprises a shell (1) of the air filter, and is characterized in that: a water collecting tank (2) for collecting accumulated water is arranged on the inner side of the bottom of the shell (1); the bottom of the water collecting tank (2) is provided with at least one low-lying point; the low-lying points and the bottoms of the water collecting grooves (2) adjacent to the low-lying points are in inclined smooth transition; a water outlet (3) communicated with a low-lying point is formed in the outer side of the bottom of the water collecting tank (2); the water outlet (3) is provided with a one-way valve (4) which limits water on the outer side of the shell (1) from entering the inner side of the shell (1) but does not limit water on the inner side of the shell (1) from flowing out of the outer side of the shell (1); the shell (1) is also provided with a rainproof structure.

2. An automatic drain device for an air cleaner as claimed in claim 1, wherein: the shell (1) is a hollow columnar structure with a circular cross section; the water collecting tank (2) is a sinking structure which is arranged at the lower end of the shell (1) and is axially arranged along the shell (1) and is lower than the lower end of the shell (1).

3. An automatic drainage device for an air cleaner as claimed in claim 1 or 2, wherein: the water outlet (3) is of a tubular structure with the upper end communicated with a low-lying point of the water collecting tank (2); the inner side or the outer side of the water outlet (3) is provided with a thread structure; the check valve (4) is fixedly connected with the lower end of the water outlet (3) through a thread structure.

4. An automatic drain device for an air cleaner as claimed in claim 1, wherein: the rainproof structure comprises an air inlet pipe; the lower end of the air inlet pipe is communicated with the shell (1), and the upper end of the air inlet pipe is provided with a rain-proof cap (5); the rain-proof cap (5) is fixed at the upper end of the air inlet pipe and used for preventing rainwater from entering the air inlet pipe.

5. An automatic drain device for an air cleaner as claimed in claim 4, wherein: the air inlet pipe comprises a vertical pipe vertically arranged and a horizontal pipe (6) horizontally and transversely arranged; one end of the transverse pipe (6) penetrates through the side wall of the shell (1) to be communicated with the inner cavity of the shell (1), and the other end of the transverse pipe is communicated with the lower end of the vertical pipe (8) through an elbow (7); the rain-proof cap (5) is fixed at the upper end of the vertical pipe (8).

6. An automatic drain device for an air cleaner as claimed in claim 5, wherein: the lower end of the rain-proof cap (5) is inserted into the vertical pipe (8), and a hoop (9) arranged on the outer side of the vertical pipe (8) is fixedly connected with the vertical pipe (8) through a sleeve.

7. An automatic drainage device for an air cleaner as claimed in claim 5 or 6, wherein: the lower end of the vertical pipe (8) is provided with an upper flange (10), and the upper end of the elbow (7) is provided with a lower flange (11); the upper flange plate (10) is fixedly connected with the lower flange plate (11) into a whole through bolts.

8. An automatic drain device for an air cleaner as claimed in claim 5, wherein: the connecting interface of the transverse pipe (6) and the shell (1) is crossed with the horizontal plane where the axis of the shell (1) is located.

9. An automatic drainage device of an air filter according to any one of claims 4 to 6, wherein: the axis of the water outlet (3) and the axis of the air inlet pipe are in the same vertical plane.

10. An automobile incorporating an automatic drain device for an air cleaner according to claim 1, characterized in that: the automobile is provided with the automatic drainage device of the air filter as claimed in claim 1.