CN209294008U - Improved air intake filter for air compressor machine - Google Patents

Abstract

The utility model discloses the improved air intake filters for air compressor machine, inner cylinder one and inner cylinder two are provided in outer barrel therein, outer barrel, the diameter of inner cylinder one and inner cylinder two gradually decreases, the airtight rear end for being installed on outer barrel of inner cylinder one, the airtight front end for being installed on outer barrel of inner cylinder two, outer barrel, the center overlapping of axles of inner cylinder one and inner cylinder two, the length of inner cylinder one and inner cylinder two is respectively less than the length of outer barrel, outer barrel, interval between inner cylinder one and the barrel of inner cylinder two forms the filter chamber of bending, filter chamber is connected to air inlet, multiple strainers are detachably installed in filter chamber；Filter core is installed in inner cylinder two, and the bottom of inner cylinder two is arranged in gas outlet.The air intake filter is provided with the filter chamber of bending, can remove the biggish impurity of particle in air pre-filtering is carried out containing miscellaneous air, extend the service life of filter core, reduce use cost.

Description

Improved air intake filter for air compressor machine

Technical field

The utility model relates to air compressor machine technical fields, are especially for the improved inlet air filtration dress of air compressor machine It sets.

Background technique

The air inlet of compressor head in air compressor machine is typically provided with air filter, in order to remove the ash in air Dirt or other impurities, extend compressor head at a possibility that reducing abrasion of the component by unrepairable in compressor head Service life.Traditional air filter is set as the filter device of built-in filer element type, and filter core therein is refill-unit, It after certain time length, need to replace in time, otherwise will affect air filtration effect and air permeability.This air filter is deposited Use the time short in filter core, the big disadvantage of replacement cost, it is necessary to be improved.

Utility model content

In view of the deficienciess of the prior art, the purpose of the utility model is to provide it is a kind of for air compressor machine it is improved into Gas filter device, it can make outside air by carrying out pre-filtering processing before filter core, remove the ash of larger particles in air Dirt or impurity extend the service life of filter core, reduce the use cost of complete machine.

To achieve the goals above, the technical scheme adopted by the utility model is being used for the improved air inlet of air compressor machine Filter device, including outer barrel are provided with even open to atmosphere air inlet and connection with the intracorporal filter core of outer cylinder, outer barrel is set to The gas outlet of compressor head, outside air sequentially pass through air inlet, filter core and gas outlet, inner cylinder one are provided in outer barrel It is gradually decreased with the diameter of inner cylinder two, outer barrel, inner cylinder one and inner cylinder two, inner cylinder one is airtight to be installed on outer barrel Rear end, the airtight front end for being installed on outer barrel of inner cylinder two, the center overlapping of axles of outer barrel, inner cylinder one and inner cylinder two are interior The length of cylinder one and inner cylinder two is respectively less than the length of outer barrel, between outer barrel, inner cylinder one and the barrel of inner cylinder two Interval form the filter chamber of bending, filter chamber is connected to air inlet, is detachably equipped with multiple strainers in filter chamber；Filter core installation In in inner cylinder two, the bottom of inner cylinder two is arranged in gas outlet.The air intake filter is provided with the filter chamber of bending, can Pre-filtering is carried out containing miscellaneous air, the biggish impurity of particle in air is removed, and the structure can be in the cylinder in smaller space The interior pre-filtered effective travel of extend as far as possible.

In further technical solution, respectively the strainer is disposed as cricoid strainer body, and each strainer body difference is radially Spacer sleeve is mounted in the outer wall of the inner cylinder one and the inner cylinder two.

In further technical solution, the diameter of the mesh of two adjacent strainer bodies is not identical, the net of strainer body Bore dia is set as 0.1~1mm.

In further technical solution, which is equipped with pre-filtrating equipment, and pre-filtrating equipment includes emptying in one Shell, shell offers multiple perforation, the sponge with airing function is filled in shell.

In further technical solution, which is arranged in the middle and back of the outer barrel, which is arranged outside The front end of cylinder, the rear end of outer barrel are provided with an outer cover, which is clamped the inside for being mounted on outer cover, outer cover inside Middle position be provided with filter core mounting portion, which, which is arranged, is mounted on filter core mounting portion.

In further technical solution, the diameter of the filter core is less than the diameter of the inner cylinder two, filter core and inner cylinder two Barrel between be divided into 5~8mm.

In further technical solution, which includes an installing pipe, and it is outer that the end of installing pipe is welded in this The middle position of lid medial surface, the center overlapping of axles of installing pipe and the outer barrel, the outer end of installing pipe are provided with filter core locking machine Structure, the filter core are set as the filter core of tubular, and filter core is set in installing pipe, and filter core retaining mechanism connects filter core.

In further technical solution, the filter core include be disposed with from outside to inside inefficient layer, middle active layer and efficiently Layer.

In further technical solution, the inefficient layer be set as non-woven fabrics and/or wire mesh and/or glass fiber and/ Or nylon wire；Active layer is set as terylene and/or synthetic fibers felt in this；The high active layer is set as fiber filter paper.

After adopting the above structure, the utility model is compared to the prior art advantageously: the utility model provides A kind of improved air intake filter for air compressor machine, by being provided with the filter chamber of bending in cylinder, to entering The air of filter core carries out the processing of pre-filtering in advance, removes the biggish dust of particle or other impurities in air, extends filter core Service life reduces complete machine use cost；The filter chamber of bending is provided in the outer barrel, in limited barrel space, to the greatest extent Big stroke filter chamber may be set, further increase the pre-filtered effect of air；Filter core in the filter device uses three layers The filter cartridge construction of formula, is gradually increased filtering accuracy from outside to inside, obtains the air for entering compressor head further net Change, further extends the service life of filter core and compressor head.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the exploded view of the utility model.

Fig. 3 is the sectional view of the utility model.

Fig. 4 is the scheme of installation of the utility model.

In figure:

1- outer barrel, 11- air inlet, the gas outlet 12-, 13- pre-filtrating equipment, 14- outer cover, 141- installing pipe, 20- filtering Chamber, 21- inner cylinder one, 22- inner cylinder two, 23- strainer, 3- filter core, 4- air intake filter.

Specific embodiment

Below it is only the preferred embodiment of the utility model, does not therefore limit the protection scope of the utility model.

A kind of improved air intake filter for air compressor machine is present embodiments provided, shown in Fig. 1 to Fig. 4, including it is outer Cylinder 1 and the filter core 3 being set in outer barrel 1, the open to atmosphere air inlet 11 of 1 company of being provided with of outer barrel and connect compressor head Gas outlet 12, outside air sequentially passes through air inlet 11, filter core 3 and gas outlet 12, is provided with inner cylinder 1 in outer barrel 1 It is gradually decreased with the diameter of inner cylinder 2 22, outer barrel 1, inner cylinder 1 and inner cylinder 2 22, the airtight installation of inner cylinder 1 In the rear end of outer barrel 1, the airtight front end for being installed on outer barrel 1 of inner cylinder 2 22, outer barrel 1, inner cylinder 1 and inner cylinder The length of 2 22 center overlapping of axles, inner cylinder 1 and inner cylinder 2 22 is respectively less than the length of outer barrel 1, outer barrel 1, inner cylinder Interval between body 1 and the barrel of inner cylinder 2 22 forms the filter chamber 20 of bending, and filter chamber 20 is connected to air inlet 11, mistake Multiple strainers 23 are detachably installed in filter chamber 20；Filter core 3 is installed in inner cylinder 2 22, and gas outlet 12 is arranged in inner cylinder two 22 bottom.

The air intake filter for present embodiments providing a kind of built-in inner cylinder is set by interspersed between two inner cylinders The filter chamber 20 to form bending is set, to extend pre-filtered stroke, pre-filtering effect is improved, extends the service life of filter core 3.This Embodiment, which is provided, filters cavity configuration as composed by inner cylinder 1 and inner cylinder 2 22, and certainly, the utility model is illustrated Filtering cavity configuration be also possible to by an inner cylinder or two inner cylinders or three inner cylinders or more than inner cylinder formed Filtering cavity configuration, be not construed as limiting herein.

Each strainer 23 is disposed as cricoid strainer body, and each strainer body is radially spaced respectively to be sleeved on one 21 He of inner cylinder The outer wall of inner cylinder 2 22.

The diameter of the mesh of two adjacent strainer bodies is not identical, and the mesh diameter of strainer body is set as 0.1~1mm.

Air inlet 11 is equipped with pre-filtrating equipment 13, and pre-filtrating equipment 13 includes the shell emptied in one, and shell offers Multiple perforation are preferably filled in shell and are provided with the sponge with airing function.Filler in pre-filtrating equipment 13 can also be with Select granular activated carbon or other substances as filtering.

Air inlet 11 is arranged in the middle and back of outer barrel 1, and gas outlet 12 is arranged in the front end of outer barrel 1, after outer barrel 1 End is provided with an outer cover 14 (the detachable airtight rear end for being installed on outer barrel 1 of outer cover 14), the clamping installation of inner cylinder 1 In the inside of outer cover 14, the middle position of 14 inside of outer cover is provided with filter core mounting portion, and filter core 3, which is arranged, is mounted on filter core installation Portion.

The diameter of filter core 3 is less than the diameter of inner cylinder 2 22, is divided into 7mm between filter core 3 and the barrel of inner cylinder 2 22.

Filter core mounting portion includes an installing pipe 141, and the end of installing pipe 141 is welded in the interposition of 14 medial surface of outer cover It sets, the center overlapping of axles of installing pipe 141 and outer barrel 1, the outer end of installing pipe 141 is provided with filter core retaining mechanism, and filter core 3 is arranged For the filter core 3 of tubular, filter core 3 is set in installing pipe 141, and filter core retaining mechanism connects filter core 3.Filter core 3 can also select other The filter core 3 of tubular, such as rectangle or polygon, the present embodiment is preferably cylindric filter core 3.

Filter core 3 includes being disposed with inefficient layer, middle active layer and high active layer from outside to inside.Inefficient layer is set as non-woven fabrics And/or wire mesh and/or glass fiber and/or nylon wire；Middle active layer is set as terylene and/or synthetic fibers felt；High active layer is set It is set to fiber filter paper.

The inlet air filtration dress of two inner tube structures with inner cylinder 1 and inner cylinder 2 22 provided by the present embodiment It sets, extraneous gas by filter core 3 before being filtered, first by by inner cylinder 1 and the formed filter chamber of inner cylinder 2 22 Structure lives the biggish dust of volume or impurity baffle with carrying out pre-filtering processing, to extend the service life of filter core 3, reduces The use cost of complete machine, abrasion of the significantly more efficient building block avoided in compressor by unrepairable.

The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as Limitations of the present invention.

Claims (9)

1. the improved air intake filter of air compressor machine is used for, including outer barrel (1) and the filter core being set in outer barrel (1) (3), the gas outlet (12) of the open to atmosphere air inlet of outer barrel (1) company of being provided with (11) and connect compressor head, outside air Sequentially pass through air inlet (11), filter core (3) and gas outlet (12), it is characterised in that:

Inner cylinder one (21) and inner cylinder two (22), outer barrel (1), inner cylinder one (21) and inner cylinder are provided in outer barrel (1) The diameter of body two (22) gradually decreases from outside to inside, the airtight rear end for being installed on outer barrel (1) of inner cylinder one (21), inner cylinder two (22) the airtight front end for being installed on outer barrel (1), the central axis weight of outer barrel (1), inner cylinder one (21) and inner cylinder two (22) It closes, the length of inner cylinder one (21) and inner cylinder two (22) is respectively less than the length of outer barrel (1), outer barrel (1), inner cylinder one (21) interval between the barrel of inner cylinder two (22) forms the filter chamber (20) of bending, and filter chamber (20) is connected to air inlet (11), multiple strainers (23) are detachably installed in filter chamber (20)；

Filter core (3) is installed in inner cylinder two (22), and gas outlet (12) are arranged in the bottom of inner cylinder two (22).

2. the improved air intake filter according to claim 1 for air compressor machine, it is characterised in that: each strainer (23) it is disposed as cricoid strainer body, each strainer body is radially spaced respectively to be sleeved on the inner cylinder one (21) and described interior The outer wall of cylinder two (22).

3. the improved air intake filter according to claim 2 for air compressor machine, it is characterised in that: adjacent two The diameter of the mesh of the strainer body is not identical, and the mesh diameter of strainer body is set as 0.1~1mm.

4. the improved air intake filter according to any one of claims 1 to 3 for air compressor machine, it is characterised in that: The air inlet (11) is equipped with pre-filtrating equipment (13), and pre-filtrating equipment (13) includes the shell emptied in one, and shell opens up There are multiple perforation, the sponge with airing function is filled in shell.

5. the improved air intake filter according to claim 3 for air compressor machine, it is characterised in that: the air inlet (11) setting is arranged in the middle and back of the outer barrel (1), the gas outlet (12) in the front end of outer barrel (1), outer barrel (1) Rear end be provided with an outer cover (14), the inner cylinder one (21) clamping is mounted on the inside of outer cover (14), in outer cover (14) The middle position of side is provided with filter core mounting portion, and the filter core (3), which is arranged, is mounted on filter core mounting portion.

6. the improved air intake filter according to claim 5 for air compressor machine, it is characterised in that: the filter core (3) diameter is less than the diameter of the inner cylinder two (22), is divided into 5~8mm between filter core (3) and the barrel of inner cylinder two (22).

7. the improved air intake filter according to claim 6 for air compressor machine, it is characterised in that: the filter core peace Dress portion includes an installing pipe (141), and the end of installing pipe (141) is welded in the middle position of the outer cover (14) medial surface, is pacified The outer end of the center overlapping of axles of tubulature (141) and the outer barrel (1), installing pipe (141) is provided with filter core retaining mechanism,

The filter core (3) is set as the filter core (3) of tubular, and filter core (3) is set in installing pipe (141), the connection of filter core retaining mechanism Filter core (3).

8. the improved air intake filter according to claim 1 for air compressor machine, it is characterised in that: the filter core It (3) include being disposed with inefficient layer, middle active layer and high active layer from outside to inside.

9. the improved air intake filter according to claim 8 for air compressor machine, it is characterised in that: the inefficient layer It is set as non-woven fabrics and/or wire mesh and/or glass fiber and/or nylon wire；

The middle active layer is set as terylene and/or synthetic fibers felt；

The high active layer is set as fiber filter paper.