CN200968248Y

CN200968248Y - Oil type air filtering device

Info

Publication number: CN200968248Y
Application number: CN 200620140169
Authority: CN
Inventors: 任秀军; 任盈盈
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-22
Filing date: 2006-11-22
Publication date: 2007-10-31
Anticipated expiration: 2016-11-22

Abstract

The utility model relates to accessory of engine or gas pump, in particular to an oil-bath air filter, comprising a casing (2), an inlet (6), an outlet (1). The filter element in the casing (2) is made of lamination of several layers of mesh screen and an oil-absorptive material layer is positioned between the layers of mesh screen. Between the outlet (1) and the filter element is equipped with a viscous plate (12) with a introversible vent opening (11). The air containing the waste oil bead will pass through the vent opening (11) to get the outlet (1) after collision on the viscous oil plate (12). Nearby of the bottom of the casing (2) is equipped with an oil mesh screen which is provided with an oil bath (8) below. The internal side of the inlet (6) is equipped with an air reflector downward. The utility model has the advantages of good filtration, long service life, and reduction on the cost of maintenance and operation.

Description

A kind of oily formula air-strainer

Technical field:

The utility model relates to motor or air pump accessory, particularly to the improvement of air-strainer.

Background technique:

Existing motor or air pump all air-strainer, its general structure is that the papery filter core is installed between the inside and outside wire netting, and the papery filter core is met the water capacity and easily dissolved or damage, south particularly, there is short defective in working life,, then can further influences motor or air pump if in time do not change.In addition, need change whole filter assembly during replacing, it is high to cause maintenance cost to occupy.Existing a kind of " oily formula air-strainer " is made of multiple layer metal network folder pad oil absorption material, and the bottom is injected waste oil and constituted oil sump, and oily material can effectively adhere to the dust in air foreign material.But the waste oil of the oil sump that is in operation rocks easily, because motor suction is bigger, the thin pearl of waste oil can be sucked motor together with air and participate in burning, destroys the normal working of motor.

Summary of the invention:

The purpose of this utility model provides a kind of oily formula air-strainer that can avoid the thin pearl of waste oil to enter motor basically, has both guaranteed that air-filtering was effective, does not influence the working life of motor again.

A kind of oily formula air-strainer of the utility model, comprise housing and suction port thereof, air outlet, filter core in the housing is by stacked the forming of multilayer net sheet, interlayer is equipped with the oil absorption material layer at interval, it is characterized in that between air outlet and filter core, being provided with a sticking oiled-plate method that has a ventilating hole that inwardly turns edge, contain the sticking oiled-plate method of air collision of the thin pearl of waste oil after the pile warp ventilating hole lead to the air outlet.

Above-mentioned filter core becomes rectangular block by many rectangle net sheet folder pad rectangle oil absorption material layers by bolt.Or reel by the whole sheet folder pad oil absorption material layer of throwing the net and to constitute.

The net sheet is to be made of wire gaze or sheet metal punching out reticulated cell or plastics web plate.

The hollow passageway upper end of the filter core of the formation of reeling cooperates with inwardly turning edge of sticking oiled-plate method, and the periphery of this sticking oiled-plate method is downward-sloping, and the periphery corresponding shell tip position that is positioned at sticking oiled-plate method has a plurality of oil holes.

Install oil-choking net near the bottom in the housing, the below of net constitutes oil sump, and the oil sump bottom has sewage draining exit.

In the suction port inboard downward wind deflector is set.

The utility model is made of multilayer net sheet folder pad oil absorption material, and oily material can effectively adhere to the dust in air foreign material, and multiple filtration, ambient air contacts with the oil-choking net of oil sump earlier after entering housing in addition, the foreign material of some large-sizes at first can be adhered to or be sunk to oil sump, make the air-filtering better effects if.After the purification through the oil absorption material filter core, the pile warp ventilating hole led to the air outlet after the air that contains the thin pearl of a small amount of waste oil collided and glues oiled-plate method, made the thin integument of a small amount of waste oil stick to sticking oiled-plate method, had reduced the thin pearl content of waste oil that purifies the back air to greatest extent.When causing air transmission coefficient to descend when finding oil absorption material to adhere to too much dust foreign material, only need filter core is taken out, clean or change the oil absorption material layer and get final product, need not to change whole assembly, prolong product working life, safeguard, the operating cost reduction.

Description of drawings

Fig. 1 is the utility model embodiment 1 a structural representation;

Fig. 2 is the utility model embodiment 2 a structural representation;

Fig. 3 is the utility model embodiment 3 a structural representation;

Fig. 4 is the utility model embodiment 4 a structural representation.

Embodiment

With reference to Fig. 1, the air outlet 1 that housing 2 has suction port 6 and is communicated with motor, filter core in the housing (2) is laminated by multilayer rectangle wire gaze 4, interlayer presss from both sides pad oil absorption material layer 3 at interval, such as cloth or sponge etc., with bolt (not drawing among the figure) multilayer rectangle wire gaze 4 and oil absorption material layer 3 being fixed into the blocks filter core, also is that the present embodiment housing is made cuboid.The one sticking oiled-plate method 12 that has a ventilating hole 11 that inwardly turns edge is set between air outlet 1 and filter core.Housing 2 inner bottom parts inject waste oil and constitute oil sump 8, and oil-choking net 7 is set above the oil sump 8, can stop that waste oil rocks significantly in the pond, and oil sump 8 bottoms have sewage draining exit and plug 9 is set.Suction port 6 inboard settings towards downward wind deflector 5, so that the ambient air that sucks from suction port 6 enters housing 2 back contacts with the oil-choking net 7 of oil sump earlier, the foreign material of some large-sizes at first can be adhered to or be sunk to oil sump 8, the air that contains the thin pearl of waste oil then passes the sticking oiled-plate method 12 of filter core collision, the thin integument of airborne waste oil sticks to oiled-plate method 12, the air that has purified pile warp ventilating hole 11 again leads to air outlet 1, and the waste oil that is accumulated into pearl will drip to be back to filter core even to drip and be back to oil sump.In order to keep the oiliness adhesion property of oil absorption material layer 11, prevent to dry up, the system can opened at housing 2 tops runs through the oil hole of sticking oiled-plate method 12, in case of necessity can be to the filter core machine oil of annotating.Mark 10 is for being fixed on filter cleaner the connecting plate of body among the figure.

Structure embodiment illustrated in fig. 2 is identical with Fig. 1 embodiment basically, is filter cleaner and interior filter core vertically-arranged thereof, and oil sump 8 still is located at oil sump casing 1 bottom.

Embodiment illustrated in fig. 3 is cylindrical shape, and housing 2 side wall lower ends are shaped on suction port 6, and whole wire gaze 4 and oil absorption material layer 3 coiling are constituted the filter core with multiple filtration structure naturally, the 11 insertion hollow passageway 14 that inwardly turn edge of sticking oiled-plate method.Downward-sloping and the close shell wall of the periphery of sticking oiled-plate method 12 is positioned at sticking oiled-plate method 12 periphery corresponding shell tip positions a plurality of oil holes and plug 13 thereof is set, and can make shell wall keep glossy behind the filling machine oil, to adsorb more dust foreign material.Filter core bottom is fixed together with clamping plate 17, and the projection at clamping plate 17 centers snaps onto hollow passageway 14, is connected on the projection of nut 15 with clamping plate 17 centers at the bottom of the shell by weldering with bolt 16 and pushes up, utilize glue oiled-plate method turn edge 11, make filter core at housing 2 internal fixation.

Structure embodiment illustrated in fig. 4 is identical with Fig. 1 embodiment basically, and just the filter core in the filter cleaner is obliquely installed, and is beneficial to machine oil too much on the filter core and is back to oil sump 8 along drip under the inclined-plane.

As being equal to replacement, can will glue oiled-plate method 12 center drillings and inwardly do not turn edge, and sticking oiled-plate method 12 center holes and fixing are inserted in the reducing of steam outlet pipe lower end, effect is identical.

Claims

1, a kind of oily formula air-strainer, comprise housing (2) and suction port (6) thereof, air outlet (1), filter core in the housing (2) is laminated by multilayer net sheet (4), interlayer is equipped with oil absorption material layer (3) at interval, it is characterized in that being provided with between air outlet (1) and filter core a sticking oiled-plate method (12) that has a ventilating hole (11) that inwardly turns edge, air sticking oiled-plate method (12) the back pile warp ventilating hole of collision (11) that contains the thin pearl of waste oil leads to air outlet (1).

2, oily formula air-strainer according to claim 1 is characterized in that filter core becomes rectangular block by many rectangle net sheets (4) folder pad rectangle oil absorption material layers (3) by bolt.

3, oily formula air-strainer according to claim 1 is characterized in that filter core is made of whole sheet (4) folder pad oil absorption material layer (3) coiling of throwing the net.

4,, it is characterized in that net sheet (4) is to be made of wire gaze or sheet metal punching out reticulated cell or plastics web plate according to claim 2 or 3 described oily formula air-strainer.

5, oily formula air-strainer according to claim 3, it is characterized in that reeling hollow passageway (14) upper end of the filter core that constitutes cooperates with inwardly turning edge of sticking oiled-plate method (12) ventilating hole (11), the periphery that should glue oiled-plate method is downward-sloping, and the periphery corresponding shell tip position that is positioned at sticking oiled-plate method has a plurality of oil holes.

6, oily formula air-strainer according to claim 1 is characterized in that installing oil-choking net (7) near the bottom in the housing (2), and the below of net constitutes oil sump (8), and the oil sump bottom has sewage draining exit.

7, oily formula air-strainer according to claim 1 is characterized in that suction port (6) inboard is provided with downward wind deflector (5).