CN209020024U - A kind of filter - Google Patents

Abstract

The utility model provides a kind of filter, it includes staving, filter core, pushing hands, lid and diversion pipe, lid is equipped with entrance, outlet and exhaust outlet, the side wall of staving is equipped with one and its integrated and contour cylindric protrusion, the cylindric protrusion is coaxially disposed with the entrance on lid, the upper end is communicated with entrance, and lower end extends to the bottom of staving.Diversion pipe is inserted into entrance, and extends downwardly the inside for being inserted into cylindric protrusion, and lower end is close to the bottom of staving.The length that diversion pipe is inserted into inside staving is the 70%-90% of the height of staving.When filtering, fluid to be filtered is directly directed to staving bottom by diversion pipe, and fluid enters the space between inner wall of barrel and filter core outside, and liquid level is gradually increasing, the bubble of gas and disengaging fluid inside staving is extruded to move upwards to be discharged by exhaust outlet, to realize Quick air-discharge.

Description

A kind of filter

Technical field

The invention belongs to filter device technical fields, more particularly to a kind of liquid filter for capableing of Quick air-discharge.

Background technique

Filter as a kind of important fluid separation and purification and impurity removal device, be widely used to food and drink, pharmacy, The industries such as biotechnology, semiconductor.In purification filtering fluid, the particulate pollutant in fluid is trapped within filtering and is situated between filter In matter, clean fluid is discharged by outlet.And semicon industry manufacture in, the removing for the bubble carried secretly in clean fluid and Control, is also very important.

However, the filter that the existing fluid applied to semicon industry is handled can not achieve Quick air-discharge, caused Filter interior section space is occupied by entrapped air volume, and fluid to be filtered is not easy to flow into filter interior again, and filtering rate reduces；Separately Outside, gas existing for filter interior may also be discharged with clean fluid, flow into downstream line, influence downstream product matter Amount.For example, developer solution is sprayed at silicon chip surface by nozzle, if developer solution is deposited in the photoetching process of semicon industry In bubble, then it be easy to cause development uneven, so as to cause product defects.

Accordingly, it is desirable to provide a kind of filter, can improve the exhausting problem of existing filter, quickly by filter interior Bubble discharge.

Summary of the invention

To solve the problems such as existing filter can not achieve Quick air-discharge and poor fluid quality resulting from, this reality With it is novel provide a kind of structure it is simple and can Quick air-discharge filter.

Filter provided by the utility model includes staving, filter core, pushing hands, lid and diversion pipe, wherein the filter core It is fixed on the inside of the staving.

The filter core includes converting interface, filter membrane and tack, and the tack and converting interface are liquid-tights, the filter Film is to fold filter membrane or winding filter membrane.

The pushing hands includes a cavity ring and the handle positioned at side at its center, the staving and described Lid be welded as a whole in the edge of the cavity ring with the pushing hands, sequence from top to bottom is the lid Sub, described pushing hands and the staving.

A plurality of fin is set at the handle of the pushing hands, conveniently holds filter.

The lid is equipped with entrance, outlet and exhaust outlet, and the entrance, outlet and exhaust outlet are rectangular in shape arrangement Above the lid, the entrance and the exhaust outlet are located at the edge of the lid, and the outlet is located at The center of the lid.

The lower end of the outlet and the converting interface of the filter core are welded and fused, and form the knot of fluid communication Structure, for clean filtrate to be discharged.

Space fluid between the exhaust outlet and the inner wall of barrel and the filter core outside is connected to, gas is discharged Body.

The side wall of the staving be equipped with one with its integrated and contour cylindric protrusion, the cylindric protrusion with Entrance coaxial arrangement on the lid, the upper end are communicated with the entrance, and lower end extends to the bottom of the staving.

The diversion pipe insertion entrance, and the inside of the insertion cylindric protrusion is extended downwardly, it is described Diversion pipe lower end close to the bottom of the staving, and on the outside of the inner wall of barrel and the filter core between space It is in fluid communication.

Preferably, the length inside staving described in the lower end insertion of the diversion pipe is the height of the staving 70%-90%.

Filter provided by the utility model, by being inserted into a diversion pipe in inlet, fluid to be filtered is by diversion pipe It is directly directed to staving bottom, fluid enters the space between inner wall of barrel and filter core outside, and liquid level is gradually increasing, the gas inside staving Body and the bubble for being detached from fluid are extruded to move upwards to be discharged by exhaust outlet, to realize Quick air-discharge, and exhaust structure letter Single, manufacturing cost is low.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of filter provided by the utility model

Fig. 2 is the structural schematic diagram of the pushing hands of filter provided by the utility model

Fig. 3 is filter provided by the utility model along outlet, the cross-sectional view of entrance and diversion pipe median plane, in which: 1- Staving, the cylindric protrusion of 11-, 2- filter core, 21- converting interface, 22- filter membrane, 23- tack, 3- pushing hands, 31- cavity ring, 32- handle, 321- fin, 4- lid, 41- entrance, the outlet 42-, 43- exhaust outlet, 5- diversion pipe.

Specific embodiment

In order to make those skilled in the art better understand the technical solution of the utility model, with reference to the accompanying drawing and have The utility model is described in further detail for body embodiment.

A kind of filter, including staving 1, filter core 2, pushing hands 3, lid 4 and diversion pipe 5.

Filter core 2 includes converting interface 21, filter membrane 22 and tack 23, and filter membrane 22 is between converting interface 21 and tack 23, filter core 2 It is fixed on inside staving 1.Converting interface 21 and tack 23 are liquid-tights, and filter membrane 22 is to fold filter membrane or winding filter membrane.

Pushing hands 3 includes centrally located cavity ring 31 and the handle 32 positioned at side, and staving 1 and lid 4 are in cavity ring 31 Edge and the welding of pushing hands 3 form one, sequence from top to bottom is lid 4, pushing hands 3 and staving 1.Handle 32 is equipped with more Fin 321, conveniently holds filter.

Entrance 41, outlet 42 and exhaust outlet 43 are equipped with above lid 4, entrance 41, outlet 42 and exhaust outlet 43 are rectangular in shape It is arranged in the top of lid 4, entrance 41 and exhaust outlet 43 are located at the edge of lid 4, and outlet 42 is located at the center of lid 4.Outlet 42 lower end and the converting interface 21 of filter core 2 are welded and fused, and form the structure of fluid communication, for clean filter to be discharged Liquid.Space fluid between exhaust outlet 43 and 3 outside of 1 inner wall of staving and filter core is connected to, gas is discharged.

The side wall of staving 1 is equipped with one and its integrated and contour cylindric protrusion 11, cylindric protrusion 11 and entrance 41 Coaxial arrangement, and the upper end of cylindric protrusion 11 is communicated with entrance 41, lower end extends to the bottom of staving 1.

Diversion pipe 5 is inserted into entrance 41, and extends downwardly the inside for being inserted into cylindric protrusion 11, and 5 lower end of diversion pipe is close to bucket The bottom of body 1, the space fluid between diversion pipe 5 and 2 outside of 1 inner wall of staving and filter core is connected to, for importing fluid to be filtered.

Diversion pipe 5 is inserted into the length of the inside of staving 1 as the 70%-90% of the height of staving 1.

When filtering, fluid to be filtered is directly directed to the bottom of staving 1 by diversion pipe 5, and fluid enters 1 inner wall of staving and filter core Space between 2 outsides, liquid level are gradually increasing, and the gas inside staving 1 and the bubble for being detached from fluid are extruded and move upwards by arranging Port 43 is discharged, to realize Quick air-discharge.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with inventive features.

Claims (6)

1. a kind of filter, including staving, filter core, pushing hands and lid；

The lid is equipped with entrance, outlet and exhaust outlet, and the entrance, outlet and exhaust outlet, which are rectangular in shape, is arranged in institute The top for the lid stated, the entrance and the exhaust outlet are located at the edge of the lid, and the outlet is located at institute The center for the lid stated；

The side wall of the staving be equipped with one with its integrated and contour cylindric protrusion, the cylindric protrusion with it is described Lid on entrance coaxial arrangement, the upper end communicates with the entrance, lower end extend to described in staving bottom；

The filter core is fixed on the inside of the staving；

The pushing hands includes a cavity ring and the handle positioned at side, the staving and the lid at its center Son is welded as a whole in the edge of the cavity ring with the pushing hands, and sequence from top to bottom is the lid, institute The pushing hands stated and the staving；It is characterized by:

The filter further includes a diversion pipe, and the diversion pipe is inserted into described cylindric convex by the entrance Inside out, the lower end of the diversion pipe is close to the bottom of the staving.

2. filter according to claim 1, which is characterized in that the length inside the diversion pipe insertion staving Degree is between the 70%-90% of the height of the staving, the diversion pipe and the inner wall of barrel and filter core outside Space fluid connection.

3. filter according to claim 1, which is characterized in that the filter core includes converting interface, filter membrane and tack, institute The tack stated is liquid-tight, and the filter membrane is to fold filter membrane or winding filter membrane.

4. filter according to claim 3, which is characterized in that the switching of the lower end of the outlet and the filter core Mouth is welded and fused, and forms the structure of fluid communication, and the converting interface is liquid-tight.

5. filter according to claim 1, which is characterized in that the exhaust outlet and the inner wall of barrel and described Filter core on the outside of between space fluid connection.

6. filter according to claim 1, which is characterized in that a plurality of fin is arranged at the handle of the pushing hands.