CN2235311Y

CN2235311Y - Improved structure of filter

Info

Publication number: CN2235311Y
Application number: CN 96203441
Authority: CN
Inventors: 蔡荣吉
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-03-01
Filing date: 1996-03-01
Publication date: 1996-09-18
Anticipated expiration: 2006-03-01

Abstract

The utility model discloses an improved structure of a filter, comprising a filter cylinder, and an upper and a lower pipe seats, wherein, filter material is filled in the filter cylinder composed of an upper and a lower sealing covers which are respectively provided with a water inlet hole and a water outlet hole. The peripheries of the upper end and the lower end of the filter cylinder are respectively additionally provided with a plurality of convex ears. And the upper pipe seat and the lower pipe seat which have the same structure are all provided with joints in the central parts to be connected with a water inlet pipe and a water outlet pipe. One end of the joints can be sheathed with water stop rings and then inserted into the water inlet hole and the water outlet hole of the filter cylinder. The two ends of the upper and the lower pipe seats are additionally provided with ear grooves to be clamped on the convex ears in rotation mode. Thus, a novel structure of the filter is provided, which has optimal leakproof effect and has the filter cylinder easy to remove and replace.

Description

The structure-improved of filter

The utility model relates to the structure-improved of filter, be meant especially a kind of with the filter cylinder upper and lower end respectively with have into and out of the water hole and the upper and lower cover of lug involutory, the upper and lower base formation one that is combined with joint, ear groove again can easyly change the novel filtration device structure of cartridge filter and the preferable leakproof effect of tool, makes the needs of its real realistic use.

Filter commonly used as shown in Figure 1, its structure mainly cooperates a filter cylinder 11 to constitute by a capping 10; Wherein capping 10 respectively is provided with in its both sides, titting

water outlet

12,13, its lower end then is formed with

external screw thread

14,11 of filter cylinders be one can built-in filter material 15 container, and its inwall upper end is formed with internal thread 16 and can be threaded for the external screw thread 14 of capping 10 and forms filter, between capping 10 and filter cylinder, establish a large-scale waterproof washer 17 when it is threaded again in addition, this filter can respectively tap at joint 12 two ends when using, outlet pipe, and make the water of importing by water inlet pipe can flow through filter cylinder 11 inner filter materials 15, and after filtration,, reach the filtration purpose again by outlet pipe output.

Though above-mentioned typical filter device has the basic function of filtering water, its structure is found to still have not improve part to the greatest extent on reality is used, and haves much room for improvement, and the shortcoming of using in fact mainly contains three:

Its shortcoming one is that the filter material because of filter has its certain service life, and every use a period of time promptly need be changed, otherwise can influence filter effect, and the closure assemblies of typical filter device probably for anti-leak all lock when mounted establish very tight, therefore, the typical filter device in fact actually but suitable effort and need just can finish easily of filter material that changes the outfit by special tool(s), so be not that general family can use instead voluntarily, and need and please the professional handle, not only bother inconvenience but also be not inconsistent timeliness and economic benefit thus, and have much room for improvement; Though its shortcoming two is that the capping of typical filter device is provided with a waterproof washer and can avoids leaking when being threaded with filter cylinder, but because of its waterproof washer needs suitable large scale, so so quality control is difficulty and easily generation distortion of use, even can cause drainage perfect inadequately; Its shortcoming three advancing because of the typical filter device, titting water outlet is each positioned at capping one side, its filtration is then intake to filter cylinder filter material outside with water inlet pipe, flow out through outlet pipe by filter material inside after seeing through filter material again, when this structure needs capping to be connected with the filter cylinder sealing again filter material is compressed up and down, and the need tight just can not seep water and make to filter and lose efficacy, therefore capping in its structure, the size of filter cylinder and filter material needs accurate control, otherwise promptly can produce defective products, in fact, for guaranteeing that its quality cost increase much and still can't overcome the generation of defective work fully, so make producer's utmost point sense headache, and remain to be improved.

Main purpose of the present utility model is to provide a kind of filtration device structure of innovation, its design mainly cooperates the disposable type filter cylinder to form the person's of being easy to use filtration device structure of filter cylinder that changes the outfit voluntarily can easyly tear the upper and lower base that closes open, and reaches the effect that increases convenience and practicality.

Another purpose of the present utility model is the particular design by upper and lower base in the new filtration device structure, can make it only need on each base joint socket one little seal ring winding filter cylinder and reach the practical purpose that overcomes the deficiency and improve filter leakproof effect easily.

A purpose more of the present utility model is can guarantee into water just output after filtration by the upper and lower inlet and outlet pipe that sets up separately, meets simple in structure and filters user demand completely.

The purpose of this utility model is achieved in that it is a kind of structure-improved of filter, mainly formed by a filter cylinder and upper and lower base, wherein being provided with filter material in the filter cylinder can use for filtering, it is characterized in that: the upper and lower end of filter cylinder can seal with upper and lower cover respectively admittedly, and cover to offer in addition thereon, down and communicate, and make the upper and lower cover periphery respectively be formed with the lug of outside projection with cartridge interior into and out of the water hole; Upper and lower base structure is identical and can be located at the filter cylinder upper and lower end respectively and be in correspondence with each other, this upper and lower base structure mainly comprises the joint that has water-filled pipe in, inlet tube and outlet tube can be established for connecing in the outer end of each joint, its the inner then can be plugged in locating into and out of the water hole of filter cylinder respectively behind sheathed one little seal ring, the two ends of its upper and lower base ear groove that respectively is formed with downward bending can supply nested aforementioned lug again, and combination filter cylinder and upper and lower base.

The ear groove both sides of upper and lower base one end are penetration state, in addition the ear groove of end then be a side run through and in addition side sealing surface is arranged.

The structure-improved of this filter, decapacitation make its cartridge replacement light easily outside, also have the advantage of promoting the leakproof effect, particularly can reach the intended purposes of more convenient use, so more practical than the filtration device structure of using always.

Fig. 1 is the structure cutaway view of typical filter device.

Fig. 2 is an outside drawing of the present utility model.

Fig. 3 is a stereochemical structure exploded view of the present utility model.

Fig. 4 is a partial structure cutaway view of the present utility model.

Fig. 5 is an enforcement schematic diagram of the present utility model.

Describe the utility model in detail below in conjunction with drawings and Examples.

See also shown in Fig. 2,3,4, filtration device structure of the present utility model mainly is made up of a filter cylinder 2 and upper and

lower base

3,4, wherein being provided with filter material in the filter cylinder 2 can use for filtering, its upper and lower end is then respectively with upper and

lower cover

20,21 solid envelopes, offer out in addition on this upper and

lower cover

20,21 again, inlet opening 22,23 communicates with filter cylinder 2 inside, and makes upper and

lower cover

20,21 peripheries respectively be formed with the

lug

24,25 of outside projection.

On,

bottom nozzle

3,4 structures are identical and can be located on the filter cylinder 2 respectively, the lower end is in correspondence with each other, on being somebody's turn to do,

bottom nozzle

3,4 structures mainly have the joint 30 that water-filled pipe is arranged in the central, 40, joint 30,40 outer end can set out for connecing, water inlet pipe, but and its inner each sheathed one little seal ring 5, be plugged on going out of filter cylinder 2 more respectively, inlet opening 22,23 places, again on it,

bottom nozzle

3,4 two ends are formed with the ear groove 31 of downward bending in addition, 41, and make the wherein ear groove 31 of an end, 41 both sides are penetration state, and the ear groove of holding in

addition

31,41 be a side run through and in addition side sealing surface 42 is arranged.

Filter of the present utility model can be plugged on filter cylinder 2 upper and lower ends with upper and

lower base

3,4 earlier when using, again upper and

lower base

3,4 is rotated a suitable angle respectively, the

lug

24,25 of filter cylinder 2 upper and lower ends so that its

ear groove

31,41 is nested respectively, and borrow sealing surface 42 to place restrictions on the location, and then utilize the assembling that joint 30,40 outer ends pick out, water inlet pipe can be finished filter of upper and

lower base

3,4; Through above-mentioned structural improvement design, in the time of need changing filter cylinder 2 in the reasonable time of can making the every use of the utility model, only need rotate upper and

lower base

3,4 easily, and the upper and

lower lug

24,25 that makes its

ear groove

31,41 break away from filter cylinder 2 can take off filter cylinder 2 replacing (as shown in Figure 5), its filter cylinder 2 is changed become quick, laborsaving, common people can finish easily, its structure-improved only need can reach constant leakproof effect by each sheathed one little seal ring 5 on the

joint

30,40 of upper and

lower base

3,4 again, so more simple and practical than common structure; In addition, because of 3,4 upper and lower setting up separately of its upper and lower base,, because of being connected to both sides, the inlet tube and outlet tube branch do not produce the Lou shortcoming of filtration so do not have in the common structure so water inlet must from bottom to top could be exported by filter materials in the filter cylinder 2 fully.

Claims

1, a kind of structure-improved of filter, mainly formed by a filter cylinder and upper and lower base, wherein being provided with filter material in the filter cylinder can use for filtering, it is characterized in that: the upper and lower end of filter cylinder can seal with upper and lower cover respectively admittedly, and cover to offer in addition thereon, down and communicate, and make the upper and lower cover periphery respectively be formed with the lug of outside projection with cartridge interior into and out of the water hole;

Upper and lower base structure is identical and can be located at the filter cylinder upper and lower end respectively and be in correspondence with each other, this upper and lower base structure mainly comprises the joint that has water-filled pipe in, inlet tube and outlet tube can be established for connecing in the outer end of each joint, its the inner then can be plugged in locating into and out of the water hole of filter cylinder respectively behind sheathed one little seal ring, the two ends of its upper and lower base ear groove that respectively is formed with downward bending can supply nested aforementioned lug again, and combination filter cylinder and upper and lower base.

2, the structure-improved of filter as claimed in claim 1 is characterized in that: the ear groove both sides of upper and lower base one end are penetration state, in addition the ear groove of end then be a side run through and in addition side sealing surface is arranged.