CN220238124U - Air filter - Google Patents

Abstract

The utility model discloses an air filter, which comprises a shell, an upper cover, a filter element and a filter element mounting bracket, wherein the filter element is arranged in a cavity of the shell through the filter element mounting bracket, the upper cover is in threaded connection with the shell, a plurality of air outlets are arranged on the side wall of the shell at intervals, an air inlet channel is axially arranged on the filter element mounting bracket, and air enters the filter element from the air inlet channel and is discharged from the air outlets after being filtered by the filter element. According to the utility model, the upper cover and the shell are in threaded connection, the filter element can be replaced only by opening the upper cover when the filter element is replaced, the filter element is installed through the filter element installing support, the filter element installing support can be pre-tightened when the upper cover is in threaded connection, no other fixing fittings are needed for installing the filter element installing support, the number of used fittings is four, and the shell, the upper cover, the filter element and the filter element installing support are convenient and quick to assemble and easy to install.

Description

Air filter

Technical Field

The utility model relates to a filter, in particular to an air filter.

Background

An air filter is a device for removing particulate impurities in air and consists of a filter element and a shell. The main requirements of air cleaners are high filtration efficiency, low flow resistance, and long continuous use without maintenance. The air filter is arranged at the position of the air exchange air hole on the engineering machinery to prevent the inside of the machinery from being polluted by impurities such as dust in the air. The air filter used at the position of the gas exchange air hole on the existing engineering machinery is difficult to install, the filter element is inconvenient to replace, and the structure is complex.

Disclosure of Invention

In order to overcome the disadvantages and shortcomings of the prior art, it is an object of the present utility model to provide an air filter.

The aim of the utility model is achieved by the following technical scheme: the utility model provides an air cleaner, includes casing, upper cover, filter core and filter core installing support, the filter core passes through the filter core installing support is installed in the cavity of casing, the upper cover with casing threaded connection, the interval is equipped with a plurality of gas outlets on the lateral wall of casing, the axial of filter core installing support is equipped with the inlet channel, and gas is followed inlet channel gets into the filter core, and by the filter core filters the back is followed the gas outlet is discharged. The filter core can be taken out from the cavity of the shell and replaced, and the upper cover is only required to be opened. The whole filter is arranged at a gas exchange port of engineering machinery (such as an oil tank vent hole, an engine installation cavity vent hole and the like) in a threaded connection mode.

As an improvement of the air filter, an external thread connecting seat is arranged in the middle of one end of the shell, and a mounting hole is arranged in the external thread connecting seat. The external thread connecting seat is used for connecting equipment needing to filter air.

As an improvement of the air filter, the filter element mounting bracket is provided with an air inlet end and an air outlet end, the air inlet end penetrates into the mounting hole, the air outlet end is positioned in the cavity of the shell, a plurality of gaps are formed in the side wall of the air outlet end at intervals, and the gaps are communicated with the air inlet channel.

As an improvement of the air filter, the side wall of the air outlet end is also provided with a limit stop. When upper cover and casing spiro union, can promote filter core installing support to support the bottom at the casing through the dog, make filter core installing support can not rock, have the effect of pretension.

As an improvement of the air filter, a limiting step is arranged between the air inlet end and the air outlet end. The bottom of the cavity of the shell is provided with a propping step matched with the limiting step, and when the upper cover pushes the filter element mounting bracket to pretighten, the limiting step is propped against the propping step.

As an improvement of the air filter, the edge of the opening of the shell is provided with a screwing thread, the inner wall of the cavity of the upper cover is provided with a screwing thread, and the screwing thread is screwed with the screwing thread.

As an improvement of the air filter, a cavity of the upper cover is internally provided with a yielding groove, the end part of the air outlet end stretches into the yielding groove, and the outer end part of the upper cover is provided with a handle. The upper cover can be driven to rotate by rotating the handle, so that the upper cover is conveniently connected to the shell.

As an improvement of the air filter, rubber sleeves are respectively arranged at two ends of the filter element.

The utility model has the beneficial effects that: according to the utility model, the upper cover and the shell are in threaded connection, the filter element can be replaced only by opening the upper cover when the filter element is replaced, the filter element is installed through the filter element installing support, the filter element installing support can be pre-tightened when the upper cover is in threaded connection, no other fixing fittings are needed for installing the filter element installing support, the number of used fittings is four, and the shell, the upper cover, the filter element and the filter element installing support are convenient and quick to assemble and easy to install.

Drawings

FIG. 1 is a cross-sectional view of the present utility model;

FIG. 2 is an exploded schematic view of the present utility model;

FIG. 3 is a front view of the present utility model;

the reference numerals are: 1. the device comprises a shell, 2, an upper cover, 3, a filter element, 4, a filter element mounting bracket, 5, an air outlet, 6, an air inlet channel, 7, an external threaded connecting seat, 8, a mounting hole, 9, an abutting step, 10, a screwing screw, 11, a yielding groove, 12, a handle, 13, a rubber sleeve, 41, an air inlet end, 42, an air outlet end, 43, a notch, 44, a limit stop, 45 and a limit step.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present utility model.

As shown in fig. 1-3, an air filter comprises a shell 1, an upper cover 2, a filter element 3 and a filter element mounting bracket 4, wherein the filter element 3 is arranged in a cavity of the shell 1 through the filter element mounting bracket 4, the upper cover 2 is in threaded connection with the shell 1, a plurality of air outlets 5 are arranged on the side wall of the shell 1 at intervals, an air inlet channel 6 is axially arranged on the filter element mounting bracket 4, and air enters the filter element 3 from the air inlet channel 6 and is discharged from the air outlets 5 after being filtered by the filter element 3. The filter element 3 can be taken out from the cavity of the shell 1 for replacement, and only the upper cover is required to be opened. The whole filter is arranged at a gas exchange port of engineering machinery (such as an oil tank vent hole, an engine installation cavity vent hole and the like) in a threaded connection mode.

Preferably, an external thread connecting seat 7 is arranged in the middle of one end of the shell 1, and a mounting hole 8 is arranged in the external thread connecting seat 7. The external thread connecting seat 7 is used for connecting equipment needing to filter air.

Preferably, the filter element mounting bracket 4 has an air inlet end 41 and an air outlet end 42, the air inlet end 41 penetrates into the mounting hole 8, the air outlet end 42 is positioned in the cavity of the shell 1, a plurality of notches 43 are arranged on the side wall of the air outlet end 42 at intervals, and the notches 43 are communicated with the air inlet channel 6.

Preferably, a positive stop 44 is also provided on the sidewall of the outlet end 42. When upper cover 2 and casing 1 spiro union, can promote filter core installing support 4 to support the bottom at casing 1 through dog 44, make filter core installing support 4 can not rock, have the effect of pretension.

Preferably, a limiting step 45 is provided between the inlet end 41 and the outlet end 42. The bottom of the cavity of the shell 1 is provided with a propping step 9 matched with the limiting step 45, and when the upper cover 2 pushes the filter element mounting bracket 4 to pretighten, the limiting step 45 is propped against the propping step 9.

Preferably, the opening edge of the shell 1 is provided with a screwing thread 10, the inner wall of the cavity of the upper cover 2 is provided with a screwing thread, and the screwing thread 10 is screwed with the screwing thread.

Preferably, a relief groove 11 is arranged in the cavity of the upper cover 2, the end part of the air outlet end 42 stretches into the relief groove 11, and a handle 12 is arranged at the outer end part of the upper cover 2. The upper cover 2 can be driven to rotate by rotating the handle 12, so that the upper cover 2 is conveniently connected to the shell 1.

Preferably, the rubber sleeves 13 are respectively sleeved at the two ends of the filter element 3, and the rubber sleeves 13 can prevent the filter element from being deformed by extrusion when the upper cover is in threaded connection, so that the filter element is protected.

According to the utility model, the upper cover 2 and the shell 1 are in threaded connection, the filter element can be replaced only by opening the upper cover when the filter element 3 is replaced, the filter element is installed through the filter element installing support, the filter element installing support can be pre-tightened when the upper cover is in threaded connection, no other fixing fittings are needed for installing the filter element installing support, the number of used fittings is four, and the shell 1, the upper cover 2, the filter element 3 and the filter element installing support 4 are convenient and quick to assemble and easy to install.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and structure of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The air filter is characterized by comprising a shell, an upper cover, a filter element and a filter element mounting bracket, wherein the filter element is mounted in a cavity of the shell through the filter element mounting bracket, the upper cover is in threaded connection with the shell, a plurality of air outlets are formed in the side wall of the shell at intervals, an air inlet channel is formed in the axial direction of the filter element mounting bracket, and air enters the filter element from the air inlet channel and is discharged from the air outlets after being filtered by the filter element;

an external threaded connecting seat is arranged in the middle of one end of the shell, and a mounting hole is formed in the external threaded connecting seat; the filter element mounting bracket is provided with an air inlet end and an air outlet end, the air inlet end penetrates into the mounting hole, the air outlet end is positioned in the cavity of the shell, a plurality of gaps are formed in the side wall of the air outlet end at intervals, and the gaps are communicated with the air inlet channel.

2. The air filter of claim 1, wherein the sidewall of the outlet end is further provided with a positive stop.

3. The air filter of claim 1, wherein a limiting step is provided between the air inlet end and the air outlet end.

4. The air filter according to claim 1, wherein a screwing thread is arranged at the edge of the opening of the shell, and screwing threads are arranged on the inner wall of the cavity of the upper cover, and the screwing thread is screwed with the screwing threads.

5. The air filter according to claim 1, wherein a relief groove is formed in the cavity of the upper cover, the end portion of the air outlet end extends into the relief groove, and a handle is arranged at the outer end portion of the upper cover.

6. An air filter according to claim 1, wherein the filter element is provided with a rubber sleeve at each end.