TW201418168A - The bag water purification device - Google Patents

Abstract

A bag water purification device, comprising: a soft bag, at least one filter unit. Wherein the soft bag is flexible and having an receiving space and communicating with the receiving space at least one first opening, the filter unit is installed in the first opening for the sewage to pass through and to filter out most of the impurities. In this way, through squeezing the soft bag, may force the sewage to be filtered through the filter unit, formed directly on the clean water available for drinking.

Description

Bag type water purification device

The invention relates to a water treatment device as defined in International Patent Classification No. C02F, and in particular to a water purification device which is easy to use and convenient to carry.

Water is one of the most precious resources on earth. Drinking water is an essential element for human survival. In order to obtain clean drinking water, most commonly used water purification technologies use distillation and filtration to filter and remove impurities from sewage. Bacterial treatment. Since the distilled water purification equipment is bulky, and the filtered clean water uses a pressurized device such as a water pump or a water tower to apply a certain working pressure, these pressurized equipment will cause an increase in the volume of the water purifying device, which is disadvantageous for outdoor activities or at sea. Carry when you are active.

Therefore, some manufacturers have proposed a simple double-layer water purifier design, which includes: an outer bag, which has flexibility and has a receiving space; a filter bag having an opening and being disposed in the outer bag receiving space. The filter bag has flexibility and has the function of filtering sewage; the water to be filtered (for example, sea water) is put into the filter bag, and the pressure is applied to the filter bag, thereby filtering the drinkable clean water and collecting it from the outer bag. The disadvantage of this design is that the filter bag needs to be squeezed directly by human beings; since the filter membrane having the function of filtering seawater (for example, RO membrane) is easily broken during the extrusion process, it is likely to be improperly applied or repeatedly squeezed several times. The device is broken. Another disadvantage is that the filter bag device is inside the outer bag, and the sealing bag of the filter bag is easily loosened due to the squeeze, and the sewage to be filtered overflowing will just flow into the outer bag, so that the filtered clean water is filtered by the sewage to be filtered. Pollution loses the meaning of filtration. (Please refer to the Taiwan Patent Gazette, certificate number: M412806, name: emergency hard water filter construction)

In view of the above, the main object of the present invention is to improve the aforementioned water purifying device, so that the soft bag with better toughness is the extruded main body, and the filter unit is separately separated to perform the filtering function; It is easier to manufacture, has better usability and reliability, and has the advantages of being convenient to carry and use.

In order to achieve the above object, a bag type water purifying device disclosed in the present invention comprises: a soft bag and at least one filter unit. The soft bag has flexibility and has an accommodating space and at least one first opening that communicates with the accommodating space. The filter unit is disposed in the first opening for the sewage to pass through and filter out most impurities. In use, the sewage to be filtered is inserted into the soft bag through the first opening, and the filter unit is locked, and the first opening is sealed; thereby, the sewage to be filtered can be forced to pass through the filtering unit through the squeeze soft bag. Directly filter out clean water for drinking. The pouch can also be replaced with a soft, squeezable bottle or bucket.

Preferably, the soft bag has a second opening for loading sewage to be filtered. The pouch is a long strip-shaped bag structure. After the sewage to be filtered is placed in the soft bag, the second opening can be closed by winding or knotting.

Preferably, the soft bag is provided with at least one clamp or a strap for closing the second opening.

Preferably, the filter unit is an integrally formed composite structure. For example, the filter unit has a filter core and an outer casing covering the filter element, and the outer casing is provided with a plurality of water inlet holes communicating with the filter element and the outside, and a water inlet hole connecting the filter element and the chamber.

Preferably, the filtration unit comprises a layer of RO semipermeable membrane for filtering out most of the salts and impurities in the seawater.

Therefore, the bag type water purifying device of the present invention has a simple structure, is not easy to be damaged, and is easy to use. As long as the soft bag is filled with the sewage to be filtered, the soft bag is closed and a certain pressure is applied to obtain drinking water; and various changes are made. It can meet the needs of users for convenient use and carrying; it has excellent practicality.

In order to explain the present invention more clearly, the preferred embodiments are described in detail with reference to the drawings, and the description of the internal and external directional characters used in the following description is based on the general knowledge of the bag-shaped container. The same components in the respective embodiments use the same component numbers for easy identification.

The bag type water purifying device 1 of the first embodiment of the present invention, as shown in the first figure, comprises a soft bag 10 and a filter unit 20 on the outer surface of the soft bag 10. The specific structures are as follows: .

The flexible bag 10 has an accommodating space 13 and a first opening 14 communicating with the accommodating space 13, and a filtering unit 20 is disposed on the first opening 14.

In the present embodiment, the filter unit 20 is an integrally formed composite structure. The inner layer uses a porous material as the filter element 21, and the outer layer uses a polymer material such as ABS resin as the outer casing 22. The filter unit 20 is provided with a thread at one end and can be screwed. The first opening 14 of the soft bag 10 is assembled, and the outer casing 22 defines a plurality of water outlet holes 23 communicating with the filter element 21 and the outside, and a water inlet hole 24 communicating with the filter element 21 and the accommodating space 13.

With the foregoing structure, the user can insert the sewage to be filtered through the first opening 14 into the accommodating space 13 inside the soft bag 10, and then lock the filter unit 20 and seal the first opening 14. Produce pressure by squeezing the soft bag 10, forcing the dirt to be filtered Water passes through the filtration unit 20 and filters out most of the salts, impurities or bacteria, and the filtered clean water will pass through the water outlet 23 and flow out for human consumption.

It is worth mentioning that the design of the device has good reliability; in case the soft bag 10 is repeatedly used and squeezed to produce small pinholes, when the sewage flows out from the small pinhole, unless the pinhole position is in the filter unit Near 20, otherwise it is not easy to contaminate the filtered clean water by flowing the sewage from the pinhole through the device. In addition, the composite structure of the foregoing filter unit 20 is merely an example, and those skilled in the art may change the filter unit 20 to other multi-layer structures as appropriate, for example, a layer of RO film is disposed on the surface of the filter element, or the filter element is changed. The composition of the outer casing, or the soft bag 10 may be replaced by a softly squeezable bottle or bucket; it should still be an equivalent structural change that is a simple change of the present invention.

Based on the same design concept, the present invention further provides a bag type water purifying device 1 of the second embodiment. As shown in the second figure, the invention also has a soft bag 10, and a filter unit 20 is disposed on the outer surface of the soft bag 10. Compared with the foregoing first embodiment, the structural difference of the embodiment is described in detail as follows: the soft bag 10 is an elongated bag having at least a first opening 14 and at least a second opening 15 thereon. The filter unit 20 is covered in the first opening 14 by screwing or fusion. After the second opening 15 is used to load the sewage to be filtered, the second opening 15 can be closed by winding or knotting the soft bag 10. Then, pressure is generated by squeezing the soft bag 10, forcing the sewage to be filtered to pass through the filtering unit 20 and filtering out most of the salt, impurities or bacteria, and the filtered clean water will flow through the water outlet 23 and flow out for drinking. .

The filter element 21 disposed on the filter unit 20 is an RO semi-permeable membrane in this embodiment.

Therefore, the present invention can effectively filter seawater to form fresh water and filter out toxins and viruses having a small molecular volume in an oil-free and non-electric environment by merely compressing the soft bag 10 having good toughness. Moreover, the structure of the invention is simple, small in size and convenient to carry.

The present invention further provides a bag type water purifying device 1 according to a third embodiment. As shown in the third figure, a soft bag 10 is provided as in the second embodiment, and a filter unit 20 is disposed on the outer surface of the soft bag 10. Compared with the foregoing second embodiment, the structural difference of the embodiment is described in detail as follows: The soft bag 10 needs to be provided with a jig 11 or a strap 12. The clamp 11 or the strap 12 can effectively close the second opening 15 when the soft bag 10 contains the sewage to be filtered.

With the foregoing structure, the user can also press the soft bag 10 to generate pressure by manpower or placing a heavy object above the soft bag 10, forcing the sewage to be filtered to pass through the filtering unit 20 and filtering out most of the salt, impurities or Bacteria, filtered clean water will pass through the water outlet 23 and flow out for human consumption.

It is worth mentioning that the design of the device has good reliability; in case the clamp 11 or the strap 12 is not tightly sealed, the second opening 15 cannot be completely sealed, and the sewage is not easily mixed when it seeps out from the second opening 15. Filtered clean water. Please refer to the third picture.

It should be noted that the number of filter units used in the water purification device of the present invention is not limited to one. The container may open a plurality of first openings while installing a plurality of filter units 20.

In summary, the water purifying device of the present invention directly uses the squeeze soft bag 10 to generate pressure, and as a pressure source for the filtering operation, the sewage can be filtered into clean water without using electric power, and the structure is simple and the volume is small, which is convenient. Carrying by yourself, When there is a lack of drinking water, it can be filled with sea water or lake water to filter into clean drinking water.

The above is only a preferred embodiment of the present invention, and equivalent structural changes in the scope of the present invention and the scope of the patent application are intended to be included in the scope of the present invention.

1‧‧‧Water purification device

10‧‧‧soft bags

11‧‧‧Clamp

12‧‧‧Belt

14‧‧‧First opening

15‧‧‧second opening

20‧‧‧Filter unit

21‧‧‧ filter

22‧‧‧ Shell

23‧‧‧Water outlet

24‧‧‧Water inlet

The first figure is a schematic view of a first preferred embodiment of the present invention.

The second figure is a schematic view of a second preferred embodiment of the present invention.

The third figure is a schematic view of a third preferred embodiment of the present invention.

1‧‧‧ bag type water purification device

10‧‧‧soft bags

13‧‧‧ accommodating space

14‧‧‧First opening

20‧‧‧Filter unit

21‧‧‧ filter

22‧‧‧ Shell

23‧‧‧Water outlet

24‧‧‧Water inlet

Claims (9)

A bag type water purifying device comprises: a soft bag and at least one filter unit. The soft bag has flexibility and has an accommodating space and at least one first opening that communicates with the accommodating space. The filter unit is disposed in the first opening for the sewage to pass through and filter out most impurities. The water purifying device of claim 1, wherein the soft bag is provided with a second opening for loading the sewage to be filtered. The water purifying device of claim 1, wherein the filtering unit comprises a RO semipermeable membrane. The water purifying device according to claim 1, wherein the filtering unit is an integrally formed composite structure. The water purification device of claim 4, wherein the filter unit has a filter core and an outer casing covering the filter element, and the outer casing is provided with a plurality of water outlet holes connecting the filter element and the outside, and the filter element is connected At least one water inlet hole with the accommodating space. The water purifying device of claim 1, wherein the filter unit is assembled to the first opening in a screwing manner. The water purifying device according to claim 1, wherein the filtering unit is a multi-layer structure composed of a filter element and a RO semi-permeable membrane. The water purifying device according to claim 1, wherein the soft bag is provided with at least one jig or a belt. The clamp or strap can effectively close the second opening when the soft bag contains the sewage to be filtered. The water purifying device of claim 1, wherein the soft bag is a soft squeezable bottle or tub.