CN213360280U

CN213360280U - Air filter with new structure

Info

Publication number: CN213360280U
Application number: CN202022576949.XU
Authority: CN
Inventors: 朱文远; 包明远; 贺飞; 董应新; 周佳
Original assignee: Hebei Shunqing Filter Technology Co ltd
Current assignee: Hebei Shunqing Filter Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-04
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses an air filter with a new structure, which comprises an air filter shell, a filter element front cover, a filter element rear cover and a coarse filter unit, wherein the inner side of the coarse filter unit is provided with a main filter element, and the inner side of the main filter element is provided with a safety filter element; the front cover of the filter element is provided with an air outlet which is communicated with the safe filter element; the coarse filter unit comprises a coarse filter shell, a cyclone tube and a cyclone tube pressing plate, the cyclone tube pressing plate is arranged at the tail end of the cyclone tube, the cyclone tube is arranged inside the coarse filter shell, the coarse filter shell is arranged inside the air filter shell, a dust exhaust port is arranged at the bottom end of the air filter shell, and a dust exhaust valve is arranged at the dust exhaust port; the upper end of the air filter shell is provided with an air inlet, and the inner cavity of the air filter shell is divided into an air inlet cavity, a filter element cavity and a dust exhaust cavity. The utility model adopts the above structure a new construction air cleaner, simple structure is reliable, and occupation space is little, and filtration efficiency is high, has possessed the characteristics that the production and use maintenance cost is low simultaneously.

Description

Air filter with new structure

Technical Field

The utility model belongs to the technical field of the filter technique and specifically relates to a new construction air cleaner is related to.

Background

At present, engineering vehicles and agricultural machinery in China mostly work under relatively severe working conditions, so that a multi-stage composite desert type air filter or a pre-filter and an air filter are mostly selected and matched. Most of the conventional multi-stage desert air filters are formed by independently separating a desert filter body and a fine filter body and are of T-shaped or B-shaped structures, but the structures of small and medium-sized engineering vehicles and agricultural machines are compact and installation space is very limited, so that the structures cannot be assembled. The structure of the prefilter and the dry air filter causes great pressure to the whole design, and the appearance is attractive and poor. In view of the above, it is desirable to design an air cleaner with a new structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a new construction air cleaner, simple structure is reliable, and occupation space is little, and filtration efficiency is high, has possessed the characteristics that the production and use maintenance cost is low simultaneously.

In order to achieve the purpose, the utility model provides an air filter with a new structure, which comprises an air filter shell, a filter element front cover arranged at the front end of the air filter shell, a filter element rear cover arranged at the rear end of the air filter shell and a coarse filter unit arranged inside the air filter shell, wherein the inner side of the coarse filter unit is provided with a main filter element, and the inner side of the main filter element is provided with a safety filter element;

the filter element front cover is provided with an air outlet which is communicated with the safety filter element;

the coarse filter unit comprises a coarse filter shell, a cyclone tube and a cyclone tube pressing plate, the cyclone tube pressing plate is arranged at the tail end of the cyclone tube, the cyclone tube is arranged inside the coarse filter shell, the coarse filter shell is arranged inside the air filter shell, a dust exhaust port is formed in the bottom end of the air filter shell, and a dust exhaust valve is arranged at the dust exhaust port;

the upper end of the air filter shell is provided with an air inlet, and the inner cavity of the air filter shell is divided into an air inlet cavity communicated with the air inlet, a filter element cavity communicated with the air outlet and a dust exhaust cavity communicated with the dust exhaust port.

Preferably, the cyclone tube is a plurality of straight-through cyclone tubes which are arranged and surround the outer side of the main filter element in parallel.

Preferably, a sealing tape is arranged at the connecting part of the cyclone tube pressing plate and the coarse filter shell.

Preferably, the coarse filter unit as a whole is provided with a sealing ring at a contact portion with the air filter housing.

Preferably, the air inlet cavity, the dust exhaust cavity and the filter element cavity are mutually independent, and the filter element cavity, the cyclone tube and the air inlet cavity are communicated.

Preferably, the air filter housing is provided in one of a circular, oval, square or irregular shape.

Therefore, the utility model adopts the above structure a new construction air cleaner possesses following beneficial effect:

(1) the efficient cyclone tube rough filtering device and the efficient filter element fine filtering device are organically combined in the same shell, the problem that the engineering machinery can realize multistage filtering only by installing a desert air filter with larger volume is solved, the filtering efficiency is high, the structure is compact, the installation space is greatly saved, the service life of the filter element is prolonged, and the manufacturing and maintenance cost of the filter element is directly and effectively reduced;

(2) because the spiral-flow pipe has a plurality of and encircles the filter core and arrange or the spiral-flow pipe has a plurality ofly and arranges in filter core one side for this empty filter structure is compacter, further adapts to the requirement of the minimum installation space of engineering machine tool empty filter, is the choice of small-size tipper, tractor, engineering machine tool.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of an air cleaner with a new structure according to the present invention.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is a schematic structural view of an embodiment of a new structure air cleaner of the present invention, as shown in the drawings, the present invention provides a new structure air cleaner, which includes an air filter housing 1, a filter element front cover 2 disposed at the front end of the air filter housing 1, a filter element rear cover 3 disposed at the rear end of the air filter housing 1, and a coarse filter unit 4 disposed inside the air filter housing 1, wherein the inner side of the coarse filter unit 4 is provided with a main filter element 5, and the inner side of the main filter element 5 is provided with a safety filter element 6; an air outlet 7 is arranged on the filter element front cover 2, and the air outlet 7 is communicated with the safety filter element 6; the coarse filter unit 4 comprises a coarse filter shell 41, a cyclone tube 42 and a cyclone tube pressing plate 43, wherein the cyclone tube pressing plate 43 is arranged at the tail end of the cyclone tube 42, the cyclone tube 42 is arranged inside the coarse filter shell 41, the coarse filter shell 41 is arranged inside the air filter shell 1, a dust exhaust port 8 is formed in the bottom end of the air filter shell 1, and a dust exhaust valve 9 is arranged at the dust exhaust port 8 and used for controlling dust to flow out and not flow in; the upper end of the air filter shell 1 is provided with an air inlet 10, and the inner cavity of the air filter shell 1 is divided into an air inlet cavity 11 communicated with the air inlet 10, a filter element cavity 12 communicated with the air outlet 7 and a dust exhaust cavity 13 communicated with the dust exhaust port 8. The utility model discloses with the strainer unit integration in empty filter casing, the air filters behind the casing through the intake duct entering sky, filters most dust through high-efficient strainer unit earlier, filters again through main filter core, safety filter core and gets into the engine, has improved filter fineness greatly in finite space, extension maintenance cycle.

The coarse filter unit mainly comprises a coarse filter shell, a straight-through cyclone tube and a cyclone tube pressing plate, wherein the straight-through cyclone tube is firstly combined to the mounting position of the cyclone tube on the coarse filter shell, the cyclone tube pressing plate is mounted and fastened, and a sealing strip is arranged at the positions of the cyclone tube pressing plate and the coarse filter shell and can be sealed by gluing or assembling a sealing ring. The coarse filter unit is integrally arranged in the air filter shell and is reliably fixed, a sealing ring is arranged at the contact part between the coarse filter unit and the air filter shell, and the coarse filter unit and the air filter shell are mutually independent and are connected in series through a straight-through cyclone tube. The filter core is sequentially provided with the safety filter core and the main filter core, the filter core rear cover is arranged, and the filter core rear cover is provided with the sealing ring to ensure reliable sealing with the air filter shell. A dust exhaust valve is arranged at the lower part of a dust exhaust cavity at the lower end of the air filter shell to ensure that dust only flows out but does not flow in.

The cyclone tubes 43 are a plurality of straight-through cyclone tubes, and are arranged in parallel around the outer side of the main filter element 5. A sealing tape is arranged at the connection part of the cyclone tube pressing plate 43 and the coarse filter shell 41.

The coarse filter unit 4 as a whole can be provided with a large-diameter air filter element after being removed so as to improve the universality of the shell, and the contact parts of the coarse filter unit and the air filter shell 1 are provided with sealing rings. The air inlet cavity 11, the dust exhaust cavity 13 and the filter element cavity 12 are mutually independent, and the filter element cavity 12, the cyclone tube 42 and the air inlet cavity 11 are communicated.

The air filter housing 1 is provided in one of a circular shape, an oval shape, a square shape, or a special shape.

The working principle is as follows: as shown in fig. 1, air enters an air inlet cavity from an air inlet of an air filter and then enters the interior of a straight-through type cyclone tube, and dust is thrown into a dust exhaust cavity along the inner wall of the cyclone tube under the action of centrifugal force and is exhausted from a dust exhaust valve; clean air enters the filter element cavity through the air outlet of the cyclone tube, is secondarily filtered by the main filter element and the safety filter element and enters the engine through the air outlet of the engine. This air cleaner organically combines efficient vortex tube coarse filtration device and efficient filter core fine filtration device in same casing, has solved the engineering machine and has installed the empty filter in the desert of great volume and could realize the difficult problem of multiple stage filtration, this integrated form sand dirt air cleaner not only air filter is efficient but also compact structure, greatly practiced thrift the installation space, especially coarse rate efficiency obtains greatly improving, thereby the life of filter core has been prolonged, its manufacturing and maintenance cost has directly been reduced effectively, also has profound influence to the development of other spare parts of automobile industry.

Therefore, the utility model adopts the above structure a new construction air cleaner, simple structure is reliable, and occupation space is little, and filtration efficiency is high, has possessed the characteristics that the production and use maintenance cost is low simultaneously.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a new construction air cleaner which characterized in that:

the filter comprises an air filter shell, a filter element front cover arranged at the front end of the air filter shell, a filter element rear cover arranged at the rear end of the air filter shell and a coarse filter unit arranged in the air filter shell, wherein a main filter element is arranged on the inner side of the coarse filter unit, and a safety filter element is arranged on the inner side of the main filter element;

2. A new construction air cleaner in accordance with claim 1 wherein: the cyclone tube is a plurality of straight-through cyclone tubes which are arranged and surround the outer side of the main filter element in parallel.

3. A new construction air cleaner in accordance with claim 2 wherein: and a sealing strip is arranged at the connecting part of the cyclone tube pressing plate and the coarse filter shell.

4. A new construction air cleaner as recited in claim 3, wherein: the coarse filter unit is used as a whole, and sealing rings are arranged on the contact parts of the coarse filter unit and the air filter shell.

5. A new construction air cleaner as recited in claim 4, wherein: the air inlet cavity, the dust exhaust cavity and the filter element cavity are mutually independent, and the filter element cavity, the cyclone tube and the air inlet cavity are communicated.

6. A new construction air cleaner as recited in claim 5, wherein: the air filter shell is set to be one of round, oval, square or special-shaped.