CN215653988U

CN215653988U - Use cotton filter of PP on outdoor water purifier

Info

Publication number: CN215653988U
Application number: CN202122250410.XU
Authority: CN
Inventors: 李强
Original assignee: Sichuan Ulifis Technology Co ltd
Current assignee: Sichuan Ulifis Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-28
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a PP cotton filter used on an outdoor water purifier, which relates to the technical field of water purifiers and solves the technical problem of poor sealing effect of a fixed connecting piece of the conventional PP cotton filter element; the utility model can effectively seal the end part of the PP cotton filter element.

Description

Use cotton filter of PP on outdoor water purifier

Technical Field

The utility model relates to the technical field of water purifiers, in particular to the technical field of PP cotton filters used on outdoor water purifiers.

Background

Outdoor water purifier is the drinking water guarantee equipment that uses when carrying out outdoor activities, has the convenient advantage of hand-carrying, during the in-service use, only need the manpower just can purify into the safe drinking water that can directly drink with natural earth's surface water such as open air rainwater, river and lake water fast, and the wide application is in fields such as field operations army logistics water supply guarantee, calamity emergency water supply guarantee, field exploration, scientific investigation and outdoor sports.

At present, outdoor water purifier PP cotton filter core commonly used carries out prefiltration, it is specific, the filter core inside the water purifier is installed through fixed connector at the both ends of the cotton filter core of PP, but, on the one hand, current fixed connector has the relatively poor problem of sealed effect, on the one hand, vibrations that cause when outdoor removal product lead to the filter core to drop, on the other hand, when water purification pressure is too big or the filter core is in high low temperature environment, the condition that drops appears in the end (apron) of filter core is leaded to the difference of material contractility, under the above-mentioned three kinds of circumstances, the part is treated filterable water and is not passed through the cotton filter core of PP, the direct next processing link that gets into the water purifier filter core in the gap that drops of fixed connector and the cotton filter core of PP, can not carry out prefiltration through the cotton filter core of PP, influence the normal work and the water purification efficiency of water purifier.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the technical problems, the utility model provides a PP cotton filter used on an outdoor water purifier.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides an use cotton filter of PP on outdoor water purifier, includes the cotton filter core of columniform PP, be equipped with axial direction hole on the cotton filter core of PP, the equal fixedly connected with columniform end cover of two axial tip of the cotton filter core of PP, the end cover comprises apron and the annular flange of establishing at the apron edge, and the one side of keeping away from the cotton filter core axial tip of PP of one of them apron forms the water service pipe, water service pipe and axial direction hole are linked together, the internal diameter of annular flange is greater than the external diameter of the cotton filter core of PP, it has the hot melt adhesive to fill between the outside of the inboard and the cotton filter core of PP of annular flange, it has the hot melt adhesive to fill between the contact surface of the cotton filter core of apron and PP and the tip of the cotton filter core of PP, the cotton filter core of PP is made by polypropylene fiber cotton.

Furthermore, the axial through hole and the PP cotton filter element are concentrically arranged, so that the distance from the outer side of the PP cotton filter element to the axial through hole is the same for water to be filtered.

Furthermore, a circular ring-shaped bulge is formed on the contact surface of the cover plate and the PP cotton filter element and is positioned in the axial through hole.

Further, an external thread is formed on the outer side of the water passing pipe.

Furthermore, a plurality of reticular protrusions are formed on the contact surface of the cover plate and the PP cotton filter element, and the reticular protrusions form concave-convex fluctuant stripes, so that the contact area between the hot melt adhesive and the cover plate is increased, the cover plate is not easy to degum, and the filter element loses the filtering effect.

Furthermore, a plurality of annular grooves are formed on the outer side of the water service pipe, sealing rings are arranged in the annular grooves, and the outer diameter of each sealing ring is larger than that of the water service pipe.

Furthermore, the water service pipe is arranged on one cover plate, and one surface of the other cover plate, which is far away from the axial end part of the PP cotton filter element, is provided with a plurality of blind holes, so that a special spanner can be conveniently inserted to perform installation and fastening work.

The utility model has the following beneficial effects:

(1) hot melt adhesives are arranged between the annular flange and the PP cotton filter element and between the cover plate and the PP cotton filter element, so that the end cover can be fixed at the end part of the PP cotton filter element on one hand, and the hot melt adhesives have good sealing effect on the other hand, can effectively seal the end part of the PP cotton filter element, prevent water to be filtered from passing through a gap between the end cover and the PP cotton filter element, and realize complete filtration of the water to be filtered;

(2) the cover plate is provided with the annular bulge, so that the hot melt adhesive can be blocked, the hot melt adhesive is prevented from entering the axial through hole, the axial through hole is kept smooth, and the axial through hole is prevented from being blocked;

(3) the outer side of the water through pipe is provided with external threads, so that the water through pipe is convenient to fix inside the water purifier;

(4) the water service pipe outside is equipped with a plurality of ring channels, and when the water service pipe was fixed inside the water purifier through the mode of pegging graft, the gap between water service pipe and the spliced eye can be sealed through the sealing washer, avoids treating filterable water and gets into inside the water purifier from the gap between the two, influences the filter effect.

Drawings

FIG. 1 is a schematic structural view (external thread) of the present invention;

FIG. 2 is a perspective view of the present invention (external thread);

FIG. 3 is a schematic structural view (annular groove) of the present invention;

FIG. 4 is a schematic perspective view of the present invention (annular groove);

FIG. 5 is a schematic structural view of the cover plate of the present invention;

reference numerals: the filter comprises a cover plate 1, an annular flange 2, an end cover 3, a hot melt adhesive 4, a PP (polypropylene) cotton filter element 5, an axial through hole 6, an external thread 7, a water pipe 8, an annular groove 9, a sealing ring 10 and a blind hole 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 5, the present embodiment provides a PP cotton filter for use in an outdoor water purifier, comprising a cylindrical PP cotton filter element 5, the PP cotton filter element 5 is provided with an axial through hole 6, two axial end parts of the PP cotton filter element 5 are fixedly connected with cylindrical end covers 3, each end cover 3 consists of a cover plate 1 and an annular flange 2 arranged at the edge of the cover plate 1, one surface of one cover plate 1 far away from the axial end part of the PP cotton filter element 5 forms a water pipe 8, that is, in fig. 1, the lower end of the cover plate 1 positioned at the lower part is provided with a water pipe 8, the water pipe 8 is communicated with the axial through hole 6, the inner diameter of the annular flange 2 is larger than the outer diameter of the PP cotton filter element 5, hot melt adhesive 4 is filled between the inner side of the annular flange 2 and the outer side of the PP cotton filter element 5, and a hot melt adhesive 4 is filled between the contact surface of the cover plate 1 and the PP cotton filter element 5 and the end part of the PP cotton filter element 5.

The working principle is as follows: between ring form flange and the cotton filter core 5 of PP and all be equipped with hot melt adhesive 4 between apron 1 and the cotton filter core 5 of PP, on the one hand can fix end cover 3 at the tip of the cotton filter core 5 of PP, on the other hand hot melt adhesive 4 has good sealed effect, can effectively seal the tip of the cotton filter core 5 of PP, avoid treating the gap process between filterable water from end cover 3 and the cotton filter core 5 of PP, make in treating filterable water all gets into axial through hole 6 from the cotton filter core 5 outside of PP, later from axial through hole 6 in getting into water service pipe 8, get into in the water purifier in the water service pipe 8.

Preferably, the water pipe 8 and the axial through hole 6 are concentrically arranged, so that filtered water can conveniently enter the water pipe 8.

Preferably, the inner diameter of the water pipe 8 is smaller than the inner diameter of the axial through hole 6.

Preferably, the pore diameter of the PP cotton filter element 5 is less than 5 microns, and the PP cotton filter element can filter silt, colloid, algae and other substances which are more than 5 microns.

Example 2

As shown in fig. 1 to 5, in this embodiment, a further improvement is made on the basis of embodiment 1, specifically, an annular protrusion is formed on a contact surface of the cover plate 1 and the PP cotton filter element 5, and the annular protrusion is located in the axial through hole 6.

Preferably, the outer diameter of the circular ring-shaped protrusion is slightly smaller than the inner diameter of the axial through hole 6, so that the gap between the circular ring-shaped protrusion and the axial through hole 6 is smaller, and when the circular ring-shaped protrusion blocks the hot melt adhesive 4, the phenomenon that too much hot melt adhesive 4 is accumulated in the gap to cause waste of the hot melt adhesive 4 is avoided.

Preferably, the annular protrusion and the axial through hole 6 are concentrically arranged, so that a gap between the annular protrusion and the axial through hole 6 is an annular hole.

Example 3

As shown in fig. 1 to 5, the present embodiment is further modified from embodiment 1, and specifically, an external thread 7 is formed on the outer side of the water passage pipe 8.

Example 4

As shown in fig. 1 to 5, in this embodiment, a further improvement is made on the basis of embodiment 1, specifically, a plurality of annular grooves 9 are formed outside the water pipe 8, a seal ring 10 is provided in the annular groove 9, and the outer diameter of the seal ring 10 is larger than the outer diameter of the water pipe 8.

Example 5

As shown in fig. 1 to 5, this embodiment is further improved on the basis of embodiment 1, specifically, a plurality of net-shaped protrusions are formed on the contact surface of the cover plate 1 and the PP cotton filter element 5.

Example 6

As shown in fig. 1 to 5, the present embodiment is further improved on the basis of embodiment 1, specifically, the water pipe 8 is arranged on one cover plate 1, and a plurality of blind holes 11 are arranged on one surface of the other cover plate 1 far away from the axial end of the PP cotton filter element 5, so that a special wrench can be conveniently inserted to perform the work of installation and fastening.

Claims

1. A PP cotton filter used on an outdoor water purifier comprises a cylindrical PP cotton filter element (5), wherein an axial through hole (6) is arranged on the PP cotton filter element (5), it is characterized in that two axial end parts of the PP cotton filter element (5) are fixedly connected with cylindrical end covers (3), the end cover (3) is composed of a cover plate (1) and an annular flange (2) arranged at the edge of the cover plate (1), one surface of one cover plate (1) far away from the axial end part of the PP cotton filter element (5) forms a water pipe (8), the water pipe (8) is communicated with the axial through hole (6), the inner diameter of the annular flange (2) is larger than the outer diameter of the PP cotton filter element (5), hot melt adhesive (4) is filled between the inner side of the annular flange (2) and the outer side of the PP cotton filter element (5), and hot melt adhesive (4) is filled between the contact surface of the cover plate (1) and the PP cotton filter element (5) and the end part of the PP cotton filter element (5).

2. The PP cotton filter used for the outdoor water purifier is characterized in that an annular bulge is formed on the contact surface of the cover plate (1) and the PP cotton filter element (5), and the annular bulge is positioned in the axial through hole (6).

3. The PP cotton filter for outdoor water purifiers according to claim 1 or 2, wherein the water pipe (8) is externally threaded (7).

4. The PP cotton filter for outdoor water purifiers, according to claim 1 or 2, wherein a plurality of annular grooves (9) are formed outside the water through pipe (8), a sealing ring (10) is arranged in each annular groove (9), and the outer diameter of the sealing ring (10) is larger than that of the water through pipe (8).

5. The PP cotton filter for outdoor water purifiers, according to claim 1 or 2, wherein a plurality of net-shaped protrusions are formed on the contact surface of the cover plate (1) and the PP cotton filter element (5).