CN202778013U

CN202778013U - Composite filter cartridge

Info

Publication number: CN202778013U
Application number: CN 201220461535
Authority: CN
Inventors: 徐立农; 黄樟焱
Original assignee: JIANGSU ZHENGBEN PURIFICATION WATER-SAVING TECHNOLOGY INDUSTRY Co Ltd
Current assignee: JIANGSU ZHENGBEN PURIFICATION WATER-SAVING TECHNOLOGY INDUSTRY Co Ltd
Priority date: 2012-09-11
Filing date: 2012-09-11
Publication date: 2013-03-13
Anticipated expiration: 2022-09-11

Abstract

The utility model discloses a composite filter cartridge. The composite filter cartridge comprises a shell and an inner core arranged in the shell. A shell water inlet and a shell water outlet are arranged on the shell; and the inner core comprises a tubular PP (polyproopylene) cotton, a tubular consolidated active carbon, a blank cap and a water discharge connector, wherein the tubular consolidated active carbon is sleeved on the outside of the tubular PP cotton, the water discharge connector is provided with an inner core water outlet communicated with the shell water outlet, and the shell water inlet is communicated with a cavity between the external side face of the tubular consolidated active carbon and the inner surface of the shell. When the composite filter cartridge runs, water is firstly absorbed and filtered by the active carbon, and then filtered by the PP cotton, so that peculiar smell, unusual color, foreign odor, residual chlorine and suspended matters in the water can be removed effectively, and the water discharged primarily cannot carry active carbon powder, namely, discharge of black water is avoided.

Description

A kind of composite filter element

Technical field

The utility model relates to a kind of composite filter element.

Background technology

Active carbon filter core in the water purifier or active carbon stick, when first the use, tend to out Heisui River (water of active carbon powder has been carried in Heisui River), in order to address this problem, common way is: 1, add again one-level PP filter core or ceramic element behind active carbon filter core, so just cause cost significantly to rise, but just for solution has decided Heisui River or fallen this simple problem of active carbon powder, so that the cost performance of product is very low.2, allow the user before use first water outlet be bled off as waste water, although so also solved problem, the user sees from water purifier flows out very black water, and impression is very bad.

The utility model content

Technical problem to be solved in the utility model provides a kind of composite filter element, can be effectively except the peculiar smell in anhydrating, heterochromatic, foreign odor, chlorine residue and suspension, can guarantee that again first water outlet can not carry active carbon powder.

In order to solve the problems of the technologies described above, technical scheme provided by the utility model is: a kind of composite filter element comprises housing, and is arranged on the inner core in the housing; Described housing is provided with housing water inlet and housing delivery port; Described inner core comprises tubulose PP cotton, the fixed active carbon of tubulose, stifle and water out adapter; The fixed active carbon of described tubulose is sleeved on the outside of tubulose PP cotton; Described stifle connects with the end face of an end of the fixed active carbon of tubulose and/or the lateral surface fixing seal of this end, and connects with end face and/or the medial surface fixing seal of the tubulose PP cotton of this end; Described water out adapter connects with the end face of the other end of the fixed active carbon of tubulose and/or the lateral surface fixing seal of this end, and connects with end face and/or the medial surface fixing seal of the tubulose PP cotton of this end; Described water out adapter is provided with the inner core delivery port that is communicated with the housing delivery port; Cavity between the lateral surface of the fixed active carbon of described housing water inlet connection tubulose and the inner surface of housing.

Active carbon in the fixed active carbon of the tubulose of described inner core is fine particulate or Powdered before shaping.

The stifle of described inner core is provided with handle.

The water out adapter of described inner core is provided with the water outlet short tube; Described inner core delivery port is the outside opening of this water outlet short tube; Described water outlet short tube is provided with the groove that can lay out waterstop ring; The medial surface of the described housing delivery port nozzle stub that extends internally, described water outlet short tube inserts in the nozzle stub and by going out the waterstop ring sealed attachment.

Preferred technical scheme: described housing comprises body and end cap; The one end sealing of described body, the other end is uncovered; The opening end sealed attachment of described end cap and body.

Further technical scheme: the housing water inlet of described housing and housing delivery port all are arranged on the blind end of body.

Another kind of further technical scheme: described end cap comprises lid, nut, end cap seal circle and spacing ring or limiting plate; The periphery of described lid is provided with to the middle part of body and extends and the face of cylinder parallel with the medial surface of body, this face of cylinder is provided with the annulus that extends to the medial surface direction of body near an end at body middle part, and this face of cylinder and annulus all are arranged in the inner chamber of opening end of body; The opening end of described body is provided with external screw thread; The internal thread of described nut cooperates with the external screw thread of the opening end of body; The inboard of described nut is provided with to the center of body extends, and diameter is less than the bearing ring of uncovered internal diameter of body; Described end cap seal circle is arranged in the cavity that is surrounded by the medial surface of the uncovered section of the bearing ring of nut, body and the face of cylinder on the lid and annulus; Described spacing ring or limiting plate are fixed on the lid, and a side of spacing ring or limiting plate is near the bearing ring of nut.

Another kind is technical scheme further: form non-removable sealed-for-life connection by revolving mode molten or bonding or welding between the body of described housing and the end cap.

Another kind of further technical scheme: form dismountable sealed attachment by screw thread between the body (14) of described housing (1) and the end cap (15).

Another kind of further technical scheme: described housing water inlet and housing delivery port all are arranged on the end cap, perhaps all are arranged on the body, perhaps are separately positioned on body and the end cap, perhaps are separately positioned on end cap and the body.

After having adopted technique scheme, the utlity model has following beneficial effect: during the operation of (1) the utility model, water is first through charcoal absorption, filtration, and then through the cotton filtration of PP, can be effectively except the peculiar smell in anhydrating, heterochromatic, foreign odor, chlorine residue and suspension, can guarantee that again first water outlet can not carry active carbon powder, namely can not go out Heisui River.

(2) the utility model is combined into a filter core with the function of two kinds of filter cores, and namely inner core has two kinds of material for water treatment, and housing only has one, so reduced cost, has improved the cost performance of product.

(3) bearing ring of spacing ring of the present utility model or limiting plate close nut in side, spacing ring or limiting plate can carry out spacing with respect to lid in axial displacement nut, when being convenient to the user nut being screwed out from body, lid and end cap seal circle can together split out.

Description of drawings

Content of the present utility model is easier to be expressly understood in order to make, and the below is described in further detail the utility model, wherein according to specific embodiment also by reference to the accompanying drawings

Fig. 1 is the structural representation of embodiment 1 of the present utility model.

Fig. 2 is the structural representation of embodiment 2 of the present utility model.

Fig. 3 is the structural representation of embodiment 3 of the present utility model.

Label in the accompanying drawing is:

Housing 1, housing water inlet 11, housing delivery port 12, nozzle stub 13, body 14, end cap 15, lid 151, the face of cylinder 1511, annulus 1512, nut 152, bearing ring 1521, end cap seal circle 153, spacing ring 154, limiting plate 155;

Inner core 2, tubulose PP cotton 21, the fixed active carbon 22 of tubulose, stifle 23, water out adapter 24, inner core delivery port 25, water outlet short tube 26, go out waterstop ring 27, the handle 28.

The specific embodiment

(embodiment 1)

See Fig. 1, the composite filter element of present embodiment comprises housing 1, and is arranged on the inner core 2 in the housing 1.

Housing 1 comprises body 14 and end cap 15.The one end sealing of body 14, the other end is uncovered.The opening end sealed attachment of end cap 15 and body 14.The blind end of the body 14 of housing 1 is provided with housing water inlet 11 and housing delivery port 12.End cap 15 comprises lid 151, nut 152, end cap seal circle 153 and spacing ring 154.The periphery of lid 151 is provided with to the middle part of body 14 and extends and the face of cylinder 1511 parallel with the medial surface of body 14, this face of cylinder 1511 is provided with the annulus 1512 that extends to the medial surface direction of body 14 near an end at body 14 middle parts, and this face of cylinder 1511 and annulus 1512 all are arranged in the inner chamber of opening end of body 14.The opening end of body 14 is provided with external screw thread.The internal thread of nut 152 cooperates with the external screw thread of the opening end of body 14.The inboard of nut 152 is provided with to the center of body 14 extends, and diameter is less than the bearing ring 1521 of uncovered internal diameter of body 14.End cap seal circle 153 is arranged in the cavity that is surrounded by the medial surface of the uncovered section of the bearing ring 1521 of nut 152, body 14 and the face of cylinder 1511 on the lid 151 and annulus 1512.Spacing ring 154 is fixed on the lid 151, and a side of spacing ring 154 is near the bearing ring 1521 of nut 152.Spacing ring 154 can carry out with respect to lid 151 nut 152 spacing in axial displacement, when being convenient to the user nut 152 being screwed out from body 14, lid 151 and end cap seal circle 153 can together split out.

Inner core 2 comprises tubulose PP cotton 21, the fixed active carbon 22 of tubulose, stifle 23 and water out adapter 24.Active carbon in the fixed active carbon 22 of tubulose is fine particulate or Powdered before shaping.The fixed active carbon 22 of tubulose is sleeved on the outside of tubulose PP cotton 21.Stifle 23 connects with the end face of an end of the fixed active carbon 22 of tubulose and/or the lateral surface fixing seal of this end, and connects with end face and/or the medial surface fixing seal of the tubulose PP cotton 21 of this end.Water out adapter 24 connects with the end face of the other end of the fixed active carbon 22 of tubulose and/or the lateral surface fixing seal of this end, and connects with end face and/or the medial surface fixing seal of the tubulose PP cotton 21 of this end.The stifle 23 of inner core 2 is provided with handle 28.Water out adapter 24 is provided with and is communicated with housing delivery port 12 inner core delivery ports 25.Cavity between the lateral surface of the fixed active carbon 22 of housing water inlet 11 connection tubuloses and the inner surface of housing 1.

The concrete mode that the inner core delivery port 25 of inner core 2 is communicated with housing delivery port 12 is: at water out adapter 24 water outlet short tube 26 is set.Inner core delivery port 25 is the outside opening of this water outlet short tube 26.Water outlet short tube 26 is provided with the groove that can lay out waterstop ring 27.The medial surface of housing delivery port 12 nozzle stub 13 that extends internally, water outlet short tube 26 inserts in the nozzle stubs 13 and by going out waterstop ring 27 sealed attachment.

(embodiment 2)

See Fig. 2, present embodiment is substantially the same manner as Example 1, and difference is: replace spacing ring 154 with limiting plate 155.

(embodiment 3)

See Fig. 3, present embodiment is substantially the same manner as Example 1, difference is: form non-removable sealed-for-life connection by revolving mode molten or bonding or welding between the body 14 of housing 1 and the end cap 15, perhaps form dismountable sealed attachment by screw thread between the body 14 of housing 1 and the end cap 15.Housing water inlet 11 and housing delivery port 12 are separately positioned on end cap 15 and the body 14.

Certainly, housing water inlet 11 and housing delivery port 12 also can all be arranged on the end cap 15, perhaps all are arranged on the body 14, perhaps are separately positioned on body 14 and the end cap 15.

Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. a composite filter element is characterized in that: comprise housing (1), and be arranged on the inner core (2) in the housing (1); Described housing (1) is provided with housing water inlet (11) and housing delivery port (12); Described inner core (2) comprises tubulose PP cotton (21), the fixed active carbon of tubulose (22), stifle (23) and water out adapter (24); The fixed active carbon of described tubulose (22) is sleeved on the outside of tubulose PP cotton (21); Described stifle (23) connects with the end face of an end of the fixed active carbon of tubulose (22) and/or the lateral surface fixing seal of this end, and connects with end face and/or the medial surface fixing seal of the tubulose PP of this end cotton (21); Described water out adapter (24) connects with the end face of the other end of the fixed active carbon of tubulose (22) and/or the lateral surface fixing seal of this end, and connects with end face and/or the medial surface fixing seal of the tubulose PP of this end cotton (21); Described water out adapter (24) is provided with the inner core delivery port (25) that is communicated with housing delivery port (12); Cavity between the lateral surface of described housing water inlet (11) the connection fixed active carbon of tubulose (22) and the inner surface of housing (1).

2. a kind of composite filter element according to claim 1 is characterized in that: the active carbon in the fixed active carbon of tubulose (22) of described inner core (2) is fine particulate or Powdered before shaping.

3. a kind of composite filter element according to claim 1, it is characterized in that: the stifle (23) of described inner core (2) is provided with handle (28).

4. a kind of composite filter element according to claim 1, it is characterized in that: the water out adapter (24) of described inner core (2) is provided with water outlet short tube (26); Described inner core delivery port (25) is the outside opening of this water outlet short tube (26); Described water outlet short tube (26) is provided with the groove that can lay out waterstop ring (27); The medial surface of described housing delivery port (12) nozzle stub (13) that extends internally, described water outlet short tube (26) inserts in the nozzle stub (13) and by going out waterstop ring (27) sealed attachment.

5. a kind of composite filter element according to claim 1, it is characterized in that: described housing (1) comprises body (14) and end cap (15); The one end sealing of described body (14), the other end is uncovered; The opening end sealed attachment of described end cap (15) and body (14).

6. a kind of composite filter element according to claim 5, it is characterized in that: the housing water inlet (11) of described housing (1) and housing delivery port (12) all are arranged on the blind end of body (14).

7. a kind of composite filter element according to claim 5, it is characterized in that: described end cap (15) comprises lid (151), nut (152), end cap seal circle (153) and spacing ring (154) or limiting plate (155); The periphery of described lid (151) is provided with to the middle part of body (14) and extends and the face of cylinder (1511) parallel with the medial surface of body (14), this face of cylinder (1511) is provided with the annulus (1512) that extends to the medial surface direction of body (14) near an end at body (14) middle part, and this face of cylinder (1511) and annulus (1512) all are arranged in the inner chamber of opening end of body (14); The opening end of described body (14) is provided with external screw thread; The internal thread of described nut (152) cooperates with the external screw thread of the opening end of body (14); The inboard of described nut (152) is provided with to the center of body (14) extends, and diameter is less than the bearing ring (1521) of uncovered internal diameter of body (14); Described end cap seal circle (153) is arranged in the cavity that is surrounded by the medial surface of the uncovered section of the bearing ring (1521) of nut (152), body (14) and the face of cylinder (1511) on the lid (151) and annulus (1512); Described spacing ring (154) or limiting plate (155) are fixed on the lid (151), and a side of spacing ring (154) or limiting plate (155) is near the bearing ring (1521) of nut (152).

8. a kind of composite filter element according to claim 5 is characterized in that: form non-removable sealed-for-life connection by revolving mode molten or bonding or welding between the body (14) of described housing (1) and the end cap (15).

9. a kind of composite filter element according to claim 5 is characterized in that: form dismountable sealed attachment by screw thread between the body (14) of described housing (1) and the end cap (15).

10. according to claim 8 or 9 described a kind of composite filter elements, it is characterized in that: described housing water inlet (11) and housing delivery port (12) all are arranged on the end cap (15), perhaps all be arranged on the body (14), perhaps be separately positioned on body (14) and the end cap (15), perhaps be separately positioned on end cap (15) and the body (14).