CN2170298Y

CN2170298Y - Water filter

Info

Publication number: CN2170298Y
Application number: CN 93211462
Authority: CN
Inventors: 谢清标
Original assignee: ZHIWEI CO Ltd
Current assignee: ZHIWEI CO Ltd
Priority date: 1993-04-29
Filing date: 1993-04-29
Publication date: 1994-06-29
Anticipated expiration: 2003-04-29

Abstract

The utility model relates to a water filter, which comprises a long barrel-shaped case body, wherein, two bottom rings with different heights are arranged on the bottom surface of the inside face, and a water inlet is arranged near the bottom part of the outside face; two top covers of top rings with different heights on the inside face can be screwed with the case body mutually; a cylindrical filter core is arranged in the case body; the top and the bottom rings can be used for simultaneously tightening the top and bottom surfaces of the filter core when the top cover and the case body are sleeved, and two unconnected spaces inside and outside the filter core are divided inside the case body; a water outlet is arranged at the center of the top ring whose hole wall is provided with a water stopper, and a water guiding pipe can both be inserted into the water outlet and make straight and vertical displacement on the water outlet hole of the top cover. The water stopper can be used for preventing water leakage.

Description

Water filter

The utility model relates to impurity in a kind of effectively filtered water, and can save the spatial water strainer.

General water strainer as shown in Figure 1, it is the housing 1 of a long barrel shape, has a water inlet 110 that can supply water and enter on the outer side wall of this housing 1 near the bottom, then establish the water outlet 111 that usefulness is discharged in a water supply in the opposite side of corresponding water inlet 110, and the bailing pipe 112 that installing one can be derived water on water outlet 111; Other has a top cover 2, and this top cover 2 also can screw togather with the opening of housing 1, before top cover 2 and housing 1 cooperation, and prior to placing a solid filtering element (cartridge) 3 in this housing 1.So, when water enters housing 1 when inner by water inlet 110 because the volume of filtering element (cartridge) 3 is less than the volume in this housing 1, thus the water that will still have volume not via the filtration of filtering element (cartridge) 3, and the part inflow water outlet 111 that is not filled into from 3 of filtering element (cartridge)s.Again, the water outlet of typical filter device all is equiped with the protrusion joint of " L " shape, links a bailing pipe 112 again for water outlet, and complicated structure like this not only increases cost and also occupies more space.

Suppose filtering element (cartridge) is filled in fully the internal space of housing, then the impurity in the water will block near water inlet in a large number, and so follow-up water is full of the zone of impurity through this too, therefore not only fail drainage effectively, more wasted the cost of making this filtering element (cartridge).

For avoiding aforesaid drawbacks, main purpose of the present utility model is to provide a kind of water strainer that can fully impurity elimination in the water can be got than clean water.

Another purpose of the present utility model is to provide a kind of spatial water strainer of saving.

Another purpose of the present utility model is to provide a kind of water strainer of saving manufacturing cost.

The utility model water strainer has a housing, and this housing is a long barrel shape, and its inside bottom surface has the different base ring of two length, and has one can provide water to enter the intravital water inlet of shell on the outer side near housing bottom; One top cover, its bottom surface of this top cover are empty thoroughly, and medial surface is provided with two apical rings that length is different, and inner side-wall then has the thread fit that screw thread can be connected with the shell nozzle end, and first filtering element (cartridge) with a tubular placed in the housing.Therefore, this top cover and housing can utilize housing and top cover to have when cooperating long top, base ring, insert in the strip hole of filtering element (cartridge), and filtering element (cartridge) is fixed, and utilize than short top, base ring, the end face and the bottom surface of the filtering element (cartridge) of packing simultaneously, so promptly dividing, enclosure interior is formed in inside and outside two spaces that are not connected of filtering element (cartridge), and has a posticum on the central position because of apical ring, and this posticum is provided with an antipriming, so, one bailing pipe can be inserted in this posticum, and bailing pipe also can be made displacement movement longitudinally on the posticum of top cover, so after the water of filtering element (cartridge) outside must be fully via the filtering element (cartridge) filtration, just can enter in the strip hole of filtering element (cartridge), so get final product complete water purifying effect, and drain out by bailing pipe, in addition, this water strainer can be with in the straight line portion retraction housing of bailing pipe and saving space when not using.

Describe the utility model in detail below with reference to each accompanying drawing, in these accompanying drawings:

Fig. 1 is the three-dimensional exploded view of water strainer commonly used;

Fig. 2 is the stereographic map of the utility model water strainer embodiment;

Fig. 3 is the sectional view along III among Fig. 2-III line;

Fig. 4 is the three-dimensional exploded view of the utility model embodiment; And

Fig. 5 is the part sectioned view of another embodiment of the present utility model.

See also each accompanying drawing, the present embodiment water strainer has a housing 1, this housing 1 is a long barrel shape, with inner side-wall that opening end is connected on have screw thread 16, an annular horizontal plane that is connected with inner side-wall in this screw thread 16 is provided with a groove 11, establishes O shape ring 12 on this groove 11, and side bottom surface within it, approximately establish two

base rings

13,14 different in size on the position at center, and on the outer side of housing 1, have one and can supply water and enter the water inlet 15 of housing 1 inside near the bottom.One top cover 2, also have two

apical rings

20,21 different in size on the correspondence position of bottom surface corresponding housing 1

base ring

13,14 of this top cover 2, its outer side wall also has screw thread 22, can cooperate with the internal thread 16 of housing 1, other is tool one posticum 23 on the central position of short apical ring 21, on the hole wall of this posticum 23 and with two grooves that do not join mutually, 24 sheathed O shape ring 25, one bailing pipes 3, this bailing pipe 3 is positioned on the tube wall of the straight line portion one end outside and has the opening bellend 31 big than the other end, and the other end then is a curved part 32; One center has strip hole 40 and general tubular filtering element (cartridge) 4, and make for the rubber elastomeric material end face of filtering element (cartridge) 4 and bottom surface.

By above-mentioned structure, filtering element (cartridge) 4 is placed in the housing 1, when wherein this top cover 2 and housing 1 screw togather, in the communicating pores 40 that long apical ring 20 and base ring 13 can insert filtering element (cartridge) 4, and make filtering element (cartridge) 4 obtain good fixed effect, end face and bottom surface that short simultaneously apical ring 21 and base ring 11 withstand filtering element (cartridge) 4, and because relative packing strength that this two ring is produced and filtering element (cartridge) 4 tops, the elastic reactive force of end tool that the two sides produces, make this top,

base ring

21,11 end face and filtering element (cartridge) 4 tops, has a pressure between the bottom surface, so 6 two the different enclosed spaces of water purifying chamber that are formed in the outer former hydroecium 5 of filtering element (cartridge) 4 outer side walls and filtering element (cartridge) 4 communicating poress 40 are promptly divided in housing 1 inside, and, the combination of housing 1 and top cover 2 is subjected to tight unlikely the leaking of power of its spiral compressing because of making the O shape ring 12 of the set rubber system in housing 1 top, in addition, be inserted in bailing pipe 3 on the water outlet 24 of top cover 2 by a crooked end, and because the internal diameter of the O shape ring 25 on the water outlet 24 is slightly less than the external diameter of this bailing pipe 3, so tube wall was oppressed this O shape ring 25 and made and obtain a packing pressure between the two when bailing pipe 3 inserted water outlets 23, and water also is unlikely and leaks when making bailing pipe 3 insert in water outlet 12 to make longitudinally displacement movement in the communicating pores 40 of filtering element (cartridge) 4.

In addition, more because the part that bailing pipe 3 inserts housing 1 has a bellend 30, so when this bailing pipe 3 is pulled out use, can avoid this bailing pipe 3 being extracted from top cover 2 because of the application of force is improper, and this structure can remove from housing 1 outside and install the water out adapter that is used for connecting bailing pipe 3 additional, and nature can be saved the cost that adds joint again.

In addition, as shown in Figure 5, be positioned on the water outlet 61 of top cover 60 and be provided with a protruding pipe 62, it then is one to narrow 622 of the direction convergent of top cover 60 saturating empty bottom surfaces at inner side-wall that the outer side wall of this protruding pipe 62 has screw thread 621, one tegillum 70 that can cooperate with its is arranged in addition, the inner side-wall of this tegillum 70 has screw thread 71, in medial surface and have one from the outward extending Taper Pipe 72 of medial surface, when being screwed together in this loam cake 70 on the top cover 60, this Taper Pipe 72 promptly is subjected to narrow 622 compressing and dwindles, and then be urged to the bailing pipe 80 that is placed through this water outlet 61, and do not have this bailing pipe 80 in posticum 61 when mobile, the phenomenon that has water to ooze out from the hole wall of posticum 61.

According to the above, the water that is entered former hydroecium by water inlet all must just can enter in the water purifying chamber via the filtration of filtering element (cartridge), so the water in water purifying chamber all is entirely pure clean water, and variable incomplete filtering shortcoming with water strainer, and more movably design by bailing pipe, can be pressed in the housing by the straight line portion with bailing pipe in time spent not, and save occupied space.

Claims

1, a kind of water strainer comprises:

The housing of one long barrel shape has one and can supply water and enter the intravital water inlet of shell on the position of housing near the bottom surface;

One top cover, the bottom surface of this top cover are empty thoroughly, and can screw togather with the opening of housing;

One bailing pipe, this bailing pipe is formed by connecting by the long straight line portion of a curved part and;

One tubular filtering element (cartridge), the end face of this filtering element (cartridge) and bottom surface are all by the elastic material of tool, and be made as rubber;

It is characterized in that: on the inside bottom surface of housing, have two base rings different in size, on the position of the medial surface corresponding housing apical ring of top cover, also have two apical rings different in size, and than long top, base ring side within short top, base ring, and have a posticum on the central position of apical ring, on this hole and be provided with an antipriming;

Enclosure interior can will be pushed up by the combination of housing and top cover, base ring is oppressed on the filtering element (cartridge) biend, promptly become two spaces that are not connected inside and outside making filtering element (cartridge), and bailing pipe inserts in the posticum of top cover and make displacement movement longitudinally in the communicating pores of filtering element (cartridge).

2, water strainer according to claim 1 is characterized in that, housing is with the outside screw of internal thread and top cover fit mutually.

3, water strainer according to claim 1 is characterized in that, the antipriming of top cover posticum is the O shape ring on the hole wall of this posticum.

4, water strainer according to claim 1 is characterized in that, bailing pipe collinear one end is the bigger bellend of an opening diameter.