CN201470215U

CN201470215U - Self-purification backwashing filter

Info

Publication number: CN201470215U
Application number: CN2009201916448U
Authority: CN
Inventors: 陈万友
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-11
Filing date: 2009-08-11
Publication date: 2010-05-19
Anticipated expiration: 2019-08-11

Abstract

The utility model involves a self-purification backwashing filter, including a valve body and a filter element, characterized in that: the valve body is provided with a water inlet, a water outlet and a filter bowl interface, a filter element installation hole is also provided between the water inlet and the water outlet, the filter element installation hole divides the inner part of the valve body into a water inlet chamber and a water outlet chamber, the filter element on the filter element installation hole do isolate the water inlet chamber and the water outlet chamber, a filter element bowl is screwed on the filter bowl interface to fix the filter element in the valve body, a sewage draining exit is provided on the lower part of the filter element, and a control switch of the sewage draining exit is also provided on the filter element or the filter element bowl. The utility model has larger flow rate, small pressure loss, and thorough rinse; and can avoid the secondary pollution of the filter itself.

Description

The auto purification type backwash filter

Technical field

The utility model relates to a kind of piping filter, specifically is a kind of auto purification type backwash filter.

Background technology

Family expenses fore filter major function is to tackle the granule foreign of the essence that in the water family's water pipe and the equipment of paddling is worked the mischief, silt and iron rust etc., the existing market filter mostly is non-disposal type fore filter, water (flow) direction does not change during flushing, promptly wash filter core and cut dirty one side with untreated former water, so not only less assorted flushing is not come out, embedding gets darker in filter core on the contrary, tighter, the result very easily becomes the secondary pollution source, unless the user is ready very to dismantle continually equipment, clean with banister brush, so these do not have finely to be accepted by consumers in general all the time.

The utility model content

The purpose of this utility model is to provide a kind of auto purification type backwash filter, and it has the secondary pollution that flow is big, crushing is little, flushing is thorough, avoid filter itself.

For achieving the above object by the following technical solutions:

A kind of auto purification type backwash filter, comprise valve body and filter core, it is characterized in that: described valve body is provided with water inlet, delivery port and filter bowl interface, between water inlet and delivery port, also be provided with the filter core installing hole, the filter core installing hole is divided into intake chamber and water-supplying chamber with valve inner, filter core is just installed on the above-mentioned filter core installing hole intake chamber and water-supplying chamber is isolated, the filter core cover is screwed in the filter bowl interface filter core is fixed in the valve body, bottom at the filter core cover is provided with sewage draining exit, is provided with the gauge tap of sewage draining exit on filter core or filter core cover.

Described filter core comprises the tubular screen pack, the self-cleaning swing arm and the switch that spins, the described switch that spins is screwed in the lower part outlet of tubular screen pack, the shape of switch bottom of spinning matches with the sewage draining exit shape, described self-cleaning swing arm is contained in the tubular screen pack, on the sidewall of self-cleaning swing arm, be provided with convex tendon, the outer rim of convex tendon matches with tube screen pack inwall, the bottom of self-cleaning swing arm is connected with the switch that spins, top at the self-cleaning swing arm is provided with control lever, have a through hole at the intake chamber top, control lever passes from this through hole, has a switching knob to be screwed in the top of control lever.

The described switch that spins has axial apopore from top to bottom, bottom at the switch that spins also has non axial drainage hole, drainage hole is communicated with apopore, also offer several axial location grooves at described apopore madial wall, described self-cleaning swing arm have a flap connecting portion, the flap connecting portion is contained in the axial location groove.

Also be provided with some axial location keys on described self-cleaning swing arm top, axial location key bottom contacts with tubular filter screen upper edge.

The utility model fixes filter core by filter bowl, so the filter area of filter screen is bigger, and it is big to make that filter has a flow, presses little characteristics.The utility model is provided with the self-cleaning swing arm in filter core inside in addition, to lead to the dirt that is adsorbed on tubular screen pack inwall by rotation self-cleaning swing arm clears up automatically, and the drain outlet discharge filter by filter core inside, have flushing thoroughly, avoid the secondary pollution of filter itself.

Description of drawings

Fig. 1, the utility model internal structure schematic diagram;

The structural representation of Fig. 2, the utility model valve body;

Fig. 3, the utility model decomposition texture schematic diagram;

Fig. 4, the utility model filter core decomposition texture schematic diagram.

The specific embodiment

Shown in Fig. 1-4, a kind of auto purification type backwash filter, comprise valve body 1 and filter core 2, establish water inlet 11, delivery port 12 and filter bowl interface 13 on the described valve body 1, also be provided with filter core installing hole 14 between water inlet 11 and delivery port 12, filter core installing hole 14 is divided into intake chamber 15 and water-supplying chamber 16 with valve inner; Described filter core 2 comprises tubular screen pack 21, the self-cleaning swing arm 22 and the switch 23 that spins, tubular screen pack 21 is just installed on the above-mentioned filter core installing hole 14 and with intake chamber 15 and water-supplying chamber 16 and is isolated, the described switch that spins 23 the lower part outlet places that spin at tubular screen pack 21, described self-cleaning swing arm 22 is contained in the tubular screen pack 21, filter core cover 3 is screwed in described filter bowl interface 13 and whole filter core 2 is fixed in the valve body 1, be provided with sewage draining exit 31 in the bottom of filter core cover 3, on the sidewall of self-cleaning swing arm 22, be provided with convex tendon 221, the outer rim of convex tendon 221 matches with 21 walls in the tube screen pack, have axial apopore 231 from top to bottom at the described switch 23 that spins, bottom at the switch 23 that spins also has non axial drainage hole 232, drainage hole 232 is communicated with apopore 231, also offer several axial location grooves 233 at described apopore 231 madial walls, have a flap connecting portion 222 at described self-cleaning swing arm 22, flap connecting portion 222 is contained in the axial location groove 233, the shape of switch 23 bottoms of spinning matches with sewage draining exit 31 shapes, on the top of self-cleaning swing arm 22 control lever 223 is set, also have a through hole 17 at intake chamber 15 tops, control lever 223 passes from this through hole 17, there is a switching knob 4 to be screwed in the top of control lever 223, also be provided with some axial location keys 224 on self-cleaning swing arm 22 tops, axial location key 224 bottoms contact with tubular filter screen 21 upper edges.

The course of work of the present utility model is such: current enter into intake chamber 15 from water inlet 11, the current of intake chamber 15 enter into the inside of tubular screen pack 21 from gap between the axial location key 224, by entering into water-supplying chamber 16 after 21 filtrations of tubular screen pack, flow out from delivery port 12 at last; Matter in said process in the water is assorted, silt and iron rust etc. are filtered net and effectively filter, and these are adsorbed on that this germplasm on the screen pack is assorted, silt and iron rust be by rotation self-cleaning swing arm, convex tendon on the self-cleaning swing arm can be assorted with these matter, silt and iron rust band are blended in the current of screen pack from screen pack, and discharge automatically through the sewage draining exit of filter core cover from the drainage channel of the switch inside that spins of tubular screen pack bottom, whole cleaning process need not dismounting, and the tube folk prescription just.

The utility model blowdown process is such: the switching knob 4 of rotary valve 1 top, switching knob 4 drives 22 rotations of self-cleaning swing arm, convex tendon 221 on self-cleaning swing arm 22 sidewalls can break away from screen pack with the various impurity of absorption on the tubular screen pack 21 and be mixed in the current, when switching knob 4 rotations, knob also can will drive switch 23 rotations that spin of tubular screen pack 21 bottoms, switch 23 sewage draining exits 31 original and filter core cover 3 tops that spin closely cooperate and seal the effect of sewage draining exit, the spin bottom of tubular screen pack 21 of switch 23 owing to spin, can move up automatically when spinning switch 23 rotations, make sewage draining exit 31 open, being blended in the current of the various impurity that clean out discharged from sewage draining exit 31, sewage draining exit 31 can be sealed again by switching knob 4 reverse rotations, the cleaning of the utility model filter core and blowdown process need not to dismantle filter, convenient and swift, by the self-cleaning swing arm can effectively clean be adsorbed on screen pack on various impurity, avoid secondary pollution.

Claims

1. auto purification type backwash filter, comprise valve body and filter core, it is characterized in that: described valve body is provided with water inlet, delivery port and filter bowl interface, between water inlet and delivery port, also be provided with the filter core installing hole, the filter core installing hole is divided into intake chamber and water-supplying chamber with valve inner, filter core is just installed on the above-mentioned filter core installing hole intake chamber and water-supplying chamber is isolated, the filter core cover is screwed in the filter bowl interface filter core is fixed in the valve body, bottom at the filter core cover is provided with sewage draining exit, also is provided with the gauge tap of sewage draining exit on filter core or filter core cover.

2. auto purification type backwash filter as claimed in claim 1, it is characterized in that: described filter core comprises the tubular screen pack, the self-cleaning swing arm and the switch that spins, the described switch that spins is screwed in the lower part outlet of tubular screen pack, the shape of switch bottom of spinning matches with the sewage draining exit shape, described self-cleaning swing arm is contained in the tubular screen pack, on the sidewall of self-cleaning swing arm, be provided with convex tendon, the outer rim of convex tendon matches with tube screen pack inwall, the bottom of self-cleaning swing arm is connected with the switch that spins, top at the self-cleaning swing arm is provided with control lever, have a through hole at the intake chamber top, control lever passes from this through hole, has a switching knob to be screwed in the top of control lever.

3. auto purification type backwash filter as claimed in claim 1, it is characterized in that: the described switch that spins has axial apopore from top to bottom, bottom at the switch that spins also has non axial drainage hole, drainage hole is communicated with apopore, also offer several axial location grooves at described apopore madial wall, described self-cleaning swing arm have a flap connecting portion, the flap connecting portion is contained in the axial location groove.

4. auto purification type backwash filter as claimed in claim 3 is characterized in that: also be provided with some axial location keys on described self-cleaning swing arm top, axial location key bottom contacts with tubular filter screen upper edge.