CN2772597Y

CN2772597Y - Filter

Info

Publication number: CN2772597Y
Application number: CN 200520054734
Authority: CN
Inventors: 李章文
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-02-03
Filing date: 2005-02-03
Publication date: 2006-04-19
Anticipated expiration: 2015-02-03

Abstract

The utility model discloses a filter which comprises filtering materials and an outer shell, wherein the outer shell presents a cylindrical shape, both ends of the outer shell are provided with detachable type end covers, and a water inlet which is connected with a water inlet pipe and a water outlet which is connected with a water outlet pipe are arranged on the outer shell; the filtering materials are contained in a cylindrical liner of which both ends are provided with through holes, and the liner is sheathed in the outer shell. Water flows into the outer shell by the water inlet from the water inlet pipe, passes through the filtering materials of the liner and the water outlet, and then flows out by the water outlet pipe, which realizes filter. The filtering materials in the structure are convenient to exchange, so exchange costs are reduced. The utility model can be used for purifying drinking water, water for a shower, water for beauty treatment, etc.

Description

A kind of filter

Technical field

The utility model relates to a kind of filter.

Background technology

Common filtration device structure as shown in Figure 1, filtrate 1 ' directly is contained in the shell 2 ', and filtrate 1 ' cannot be changed separately, if filter is imitated when reducing, can only change whole filter, this not only makes the replacement cost height, causes waste, and, the each replacing, all need whole filter pulled down from water pipe 3 ' again new filter is contained on the water pipe 3 ', being connected between water pipe 3 ' and the filter essentially guarantees that watertightness is good, also makes and changes very trouble of operation.

The utility model content

The purpose of this utility model is to provide a kind of filter, so that filtrate may be changed easily, reduces replacement cost.

For achieving the above object, solution of the present utility model is:

A kind of filter, comprise filtrate and shell composition, wherein: shell is tubular, the two ends of shell have detachable end cap, offer the water inlet and the delivery port that is connected outlet pipe that connect water inlet pipe on the shell, and filtrate is contained in the tubular inner bag that two ends have through hole, this inner bag is nested with in the enclosure, water flows into shell by water inlet pipe through water inlet, and filtrate, the delivery port through inner bag flowed out by outlet pipe again, realizes filtering.

Above-mentioned two end caps cover the two ends of putting at shell by threaded engagement, and between end cap and the shell sealing ring are set.

Above-mentioned water inlet and delivery port are opened on two end caps of shell, between the two ends of shell and the two ends of inner bag sealing ring is set, directly enter inner bag after making water flow into shell, avoid flowing away between the outer wall of water by the inwall of shell and inner bag, part occurs and do not filter phenomenon by water inlet.

Above-mentioned water inlet and delivery port are opened on the sidewall of shell, the position of corresponding water inlet of enclosure and delivery port forms annular water-stop sheet, between the outer wall of inner bag and the inwall of water-stop sheet sealing ring is set, there is the gap between the two ends of shell and the two ends of inner bag, cooperate with sealing ring between the water-stop sheet by water-stop sheet and inner bag the space between the outer wall of the inwall of shell and inner bag is divided into inlet channel and water outlet, make water flow into the inlet channel of shell by water inlet, enter inner bag through shell and inner bag in the gap of end again, flow into the water outlet of shell again in the gap of end by shell and inner bag, flow out by outlet pipe at last, realize filtering.

Above-mentioned inner bag is formed by two butt joints.

The filtrate of an above-mentioned inner bag splendid attire is an active carbon; The filtrate of another inner bag splendid attire is the KDF material.

Have projection on the outer wall of above-mentioned inner bag, inner bag is nested with in shell, supports by projection between the outer wall of the inwall make shell and inner bag and forms the space.

The through hole of above-mentioned inner bag is provided with filter screen.

The through hole of above-mentioned inner bag outer end is formed on the web plate, and the end of inner bag forms the card post, forms draw-in groove on the web plate, by cooperating of card post and draw-in groove, the web plate fixed cap is put on the end of inner bag.

Corresponding inner bag forms projection in the end cap of above-mentioned shell, and this projection cooperates with the card post of inner bag end, makes the inner bag location can produce double swerve in the enclosure and not, and has the current gap between the two ends of the two ends of assurance shell and inner bag.

After adopting said structure, the utility model is nested with inner bag in the enclosure because filtrate is contained in the inner bag again, like this, when reduction is imitated in filter, only need open the end cap of shell, new inner bag is changed in old inner bag taking-up, the replacing of filtrate can be realized, water pipe need be do not dismantled in the replacing process, easy to operate, and, the shell that cost is high does not change, and only changes this low inner bag into, has reduced replacement cost.The utility model can be used for purifying drinking water, shower water, beauty treatment water or the like.

Description of drawings

Fig. 1 commonly uses the structure of filter schematic diagram;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is an assembled sectional view of the present utility model.

The specific embodiment

Seeing also shown in Fig. 2,3, is the preferred embodiment of the filter that discloses of the utility model, comprises that filtrate 1 and shell 2 form.

Shell 2 is tubular.The two ends of shell 2 have detachable end cap 21.Detachable structure can be snap-in structure, screw connection structure etc., and two end caps 21 are to put at the two ends of shell 2 by the threaded engagement lid in the present embodiment, and between end cap 21 and the shell 2 sealing ring 9 are set.Offer water inlet 22 that connects water inlet pipe and the delivery port 23 that is connected outlet pipe (delivery port 23 can cooperate universal joint to use, and also can cooperate with ordinary couplings) on the shell 2.Specifically, present embodiment water inlet 22 and delivery port 23 are opened on the sidewall of shell 2, and the position of shell 2 inner corresponding water inlets 22 and delivery port 23 forms annular water-stop sheet 24, and this structure can make things convenient for the dismounting of end cap 21 and the laying of water inlet pipe to connect.

Filtrate 1 is contained in the tubular inner bag 3 that two ends have through hole 32, this inner bag 3 is nested with in shell 2, sealing ring 9 is set between the inwall of the outer wall of inner bag 3 and water-stop sheet 24, there are gap A and B between the two ends of the two ends of shell 2 and inner bag 3, cooperate by water-stop sheet 24 and sealing ring 9 space between the outer wall of the inwall of shell 2 and inner bag 3 is divided into inlet channel C and water outlet D.Inner bag 3 is inserted in the shell 2 for convenience, optimizes installing space, and present embodiment is formed inner bag 3 by two small inner container butt joints, and the filtrate of one of them inner bag splendid attire is an active carbon; The filtrate of another inner bag splendid attire is the KDF material.Reach the assembling of inner bag 3 for convenience in the inner bag 3 of packing into of filtrate 1, the through hole 32 of present embodiment inner bag 3 outer ends is formed on the web plate 31, the end of inner bag 3 forms card post 36, form draw-in groove 33 on the web plate 31, by cooperating of card post 36 and draw-in groove 33, make web plate 31 very easily fixed cap put on the end of inner bag 3.In order to prevent that filtrate 1 from exposing from through hole 32, outer end through hole 32 places (inboard of web plate 31) of inner bag 3 are provided with filter screen 35.Present embodiment also has projection 34 on the outer wall of inner bag 3, be supported on the inwall of shell 2 by projection 34, make inner bag 3 be nested with in shell 2 after, be formed uniformly the space between the outer wall of the inwall of shell 2 and inner bag 3.Can not produce double swerve in order to locate after making inner bag 3 be nested with in shell 2, corresponding inner bag 3 forms projection 25 in the end cap 21 of shell 2, cooperate by the card post 36 of this projection 25 with inner bag 3 ends, reach the purpose that prevents inner bag 3 double swerve in shell 2, and have current gap A and B between the two ends of the two ends of assurance shell 2 and inner bag 3.

During use, water enters inner bag 3 through shell 2 and inner bag 3 at the gap of end A again by the inlet channel C of water inlet 22 inflow shells 2, by shell 2 and the water outlet D of inner bag 3 at the gap of end B inflow shell 2, is flowed out by outlet pipe at last again, and realization is filtered.

When reduction, desire replacing filtrate 1 are imitated in filter, only need open the end cap 21 of shell 2, touch inner bag 3 with finger, can very easily old inner bag 3 be taken out and change new inner bag 3, realize the replacing of filtrate 1, need not dismantle water pipe in the replacing process, easy to operate, and the shell 2 that cost is high does not change, only change this low inner bag 3 into, reduced replacement cost.

Water inlet 22 of the present utility model and delivery port 23 can also be opened on two end caps 21 of shell 2, this paper does not do diagram, between the two ends of the two ends of shell 2 and inner bag 3 sealing ring 9 is set among this embodiment, during use, after water flows into shell 2 by water inlet 22, filtrate 1, delivery port 23 through inner bag 3 flowed out by outlet pipe again, realizes filtering.Sealing ring 9 herein can be avoided flowing away between the outer wall of water by the inwall of shell 2 and inner bag 3, phenomenon occurs partly not filtering.But the embodiment of this structure because of water inlet pipe and outlet pipe are fixed on two end caps 21, makes the comparatively inconvenience of disassembling section of end cap 21.

Claims

1, a kind of filter, comprise filtrate and shell composition, it is characterized in that: shell is tubular, the two ends of shell have detachable end cap, offer the water inlet and the delivery port that is connected outlet pipe that connect water inlet pipe on the shell, filtrate is contained in the tubular inner bag that two ends have through hole, and this inner bag is nested with in the enclosure, water flows into shell by water inlet pipe through water inlet, and filtrate, the delivery port through inner bag flowed out by outlet pipe again.

2, a kind of filter as claimed in claim 1, it is characterized in that: water inlet and delivery port are opened on the sidewall of shell, the position of corresponding water inlet of enclosure and delivery port forms annular water-stop sheet, between the outer wall of inner bag and the inwall of water-stop sheet sealing ring is set, there is the gap between the two ends of shell and the two ends of inner bag, cooperate with sealing ring between the water-stop sheet by water-stop sheet and inner bag the space between the outer wall of the inwall of shell and inner bag is divided into inlet channel and water outlet, make water flow into the inlet channel of shell by water inlet, enter inner bag through shell and inner bag in the gap of end again, flow into the water outlet of shell again by shell and inner bag in the gap of end, flow out by outlet pipe at last.

3, a kind of filter as claimed in claim 1 is characterized in that: inner bag is formed by two butt joints.

4, a kind of filter as claimed in claim 3, it is characterized in that: the filtrate of an inner bag splendid attire is an active carbon; The filtrate of another inner bag splendid attire is the KDF material.

5, a kind of filter as claimed in claim 2 is characterized in that: have projection on the outer wall of inner bag, inner bag is nested with in shell, supports by projection between the outer wall of the inwall make shell and inner bag and forms the space.

6, a kind of filter as claimed in claim 1, it is characterized in that: the through hole of inner bag is provided with filter screen.

7, a kind of filter as claimed in claim 1 is characterized in that: two end caps cover the two ends of putting at shell by threaded engagement, and between end cap and the shell sealing ring are set.

8, a kind of filter as claimed in claim 1, it is characterized in that: the through hole of inner bag outer end is formed on the web plate, and the end of inner bag forms the card post, forms draw-in groove on the web plate, by cooperating of card post and draw-in groove, the web plate fixed cap is put on the end of inner bag.

9, a kind of filter as claimed in claim 8, it is characterized in that: corresponding inner bag forms projection in the end cap of shell, this projection cooperates with the card post of inner bag end, makes the inner bag location in the enclosure, and has the current gap between the two ends of the two ends of assurance shell and inner bag.