Water purifier

Abstract

The utility model relates to the technical field of water purification equipment, in particular to a water purifier, which comprises a shell, a water inlet, a water outlet, a water inlet pipe and a water outlet pipe, the first filtering piece is arranged in the shell in the vertical direction, and the top end of the first filtering piece is a water inlet end; the bottom end of the first filter part is a water outlet end, and the bottom end of the first filter part hermetically covers the water outlet; the second filtering part is arranged on the peripheral side of the first filtering part in a surrounding manner; the communication part of the water inlet and the shell is positioned below the second filtering piece; and the observation window is arranged at the top of the shell and is suitable for observing the inner cavity of the shell. The technical problems that the color change of a filter element of the water purifier cannot be observed in time and the filter element is inconvenient to replace in time due to the fact that a shell of an existing water purifier generally adopts a closed structure, and the filtering effect is easily reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification equipment, in particular to a water purifier. Background Art

[0002] A water purifier is a miniature water purification device installed on a household faucet that has the effect of improving the quality of tap water. With the improvement of people's living standards and the increasing attention paid to health, people have higher and higher requirements for the quality of domestic water. After municipal tap water is treated by chlorination and disinfection at the water plant, residual chlorine or other pollutants may remain in the water. In addition, during the transportation of tap water, secondary pollution is very likely to occur due to aging pipes and secondary water supply in high-rise buildings. Therefore, a suitable household water purifier is undoubtedly a convenient and fast way for families to obtain safe and healthy drinking water. The water purifier has the advantages of small size, easy installation, and no need for electricity, and has broad application prospects.

[0003] The shell of the existing water purifier usually adopts a closed structure, which results in that the color change of the filter element of the water purifier cannot be observed in time, making it inconvenient to replace the filter element in time, and thus easily resulting in a reduced filtering effect. Utility Model Content

[0004] The utility model provides a water purifier, which solves the technical problem that the shell of the existing water purifier usually adopts a closed structure, resulting in that the color change of the filter element of the water purifier cannot be observed in time, and it is not convenient to replace the filter element in time, thus easily resulting in a reduced filtering effect.

[0005] In view of this, the utility model provides a water purifier, comprising:

[0006] A shell body having a water inlet and a water outlet arranged at the bottom of the shell body;

[0007] A first filter element is vertically arranged in the housing, and the top end of the first filter element is a water inlet end; the bottom end of the first filter element is a water outlet end, and the bottom end of the first filter element seals and covers the water outlet;

[0008] A second filter element is disposed around the first filter element; the connection point between the water inlet and the housing is located below the second filter element;

[0009] An observation window is arranged on the top of the shell and is suitable for observing the inner cavity of the shell.

[0010] Optionally, the observation window is a plano-convex lens.

[0011] Optionally, the observation window is a biconvex lens.

[0012] Optionally, the shell is a transparent shell, and the observation window is arranged on the top of the shell.

[0013] Optionally, a through hole communicating with the inner cavity of the shell is provided on the top thereof, and the observation window is sealed and bonded in the through hole.

[0014] Optionally, the first filter element comprises:

[0015] A membrane shell is vertically arranged in the shell, with both ends of the membrane shell being opened, and the bottom of the membrane shell sealingly covers the water outlet;

[0016] The hollow fiber ultrafiltration membrane is arranged in the membrane shell and is suitable for filtering water.

[0017] Optionally, the observation window is made of resin, fused quartz or acrylic.

[0018] Optionally, the second filter element includes a first filter fixing plate and a second filter fixing plate; the first filter fixing plate and the second filter fixing plate are both arranged in a ring shape, the first filter fixing plate and the second filter fixing plate are arranged on the peripheral side of the first filter element at intervals from top to bottom, and activated carbon particles are filled between the first filter fixing plate and the second filter fixing plate.

[0019] Optionally, the first filter screen fixing sheet and the second filter screen fixing sheet are both PET filter screens;

[0020] And / or, a first limiting member is provided in the shell above the first filter fixing plate, and the bottom of the first limiting member abuts against the first filter fixing plate; a second limiting member is provided in the shell below the second filter fixing plate, and the top of the second limiting member abuts against the second filter fixing plate.

[0021] Optionally, it also includes a water circuit conversion component, which has an inlet, a first outlet, a second outlet and a water circuit conversion switch, wherein the first outlet is connected to the water inlet; the inlet is suitable for connecting to an external water source device; the water circuit conversion switch is suitable for controlling the inlet to be connected to the first outlet or the inlet to be connected to the second outlet.

[0022] The technical solution of this utility model has the following advantages:

[0023] In this embodiment, by arranging the first filter element and the second filter element in the shell, it can be connected to an external water source device (such as a faucet) through the water inlet. When filtering is required, water enters the inner cavity of the shell through the water inlet, and then passes through the second filter element from the bottom of the second filter element to flow to the water inlet end of the first filter element, and then flows out from the water inlet end of the first filter element through the first filter element and then flows out from the water outlet end of the first filter element to be discharged through the first filter element. The filtration is completed by the first filter element and the second filter element, impurities in the water are removed, and the filtering effect is improved. When water passes through the cavity between the first filter element and the second filter element, the color of the first filter element and the second filter element in the shell can be intuitively observed through the observation window to understand the usage of the first filter element and the second filter element, so as to replace the first filter element and the second filter element in time to ensure the quality of purified water. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the structure of the water purifier provided by the utility model at a first viewing angle;

[0026] Figure 2 A schematic diagram of the partial structure of the water purifier provided by the utility model without a water channel conversion member at a second viewing angle;

[0027] Figure 3 for Figure 2 AA section view in;

[0028] Figure 4 A schematic diagram of the partial structure of the water purifier provided by the utility model without a water channel conversion member at a third viewing angle;

[0029] Figure 5 A schematic diagram of the top structure of the water purifier provided by the utility model;

[0030] Figure 6 for Figure 5 A partial enlarged view of the water purifier.

[0031] Description of reference numerals:

[0032] 1. Shell; 2. Water inlet; 3. Water outlet; 4. First filter element; 41. Membrane shell; 42. Hollow fiber ultrafiltration membrane; 5. Second filter element; 51. First filter screen fixing plate; 52. Second filter screen fixing plate; 53. Activated carbon particles; 6. Observation window; 7. First limiter; 8. Second limiter; 9. Water path conversion element; 91. Inlet; 92. First outlet; 93. Second outlet; 94. Water path conversion switch. DETAILED DESCRIPTION

[0033] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0037] Example 1

[0038] See also Figures 1 to 6The present embodiment provides a water purifier, comprising: a shell 1, having a water inlet 2 and a water outlet 3 arranged at the bottom of the shell 1; a first filter element 4, arranged in the shell 1 along the vertical direction, and the top of the first filter element 4 is the water inlet end; the bottom end of the first filter element 4 is the water outlet end, and the bottom end of the first filter element 4 seals and covers the water outlet 3; a second filter element 5, arranged around the circumference of the first filter element 4; the connection between the water inlet 2 and the shell 1 is located below the second filter element 5; an observation window 6, arranged at the top of the shell 1, suitable for observing the inner cavity of the shell 1.

[0039] It should be noted that the top of the first filter element 4 is spaced from the top of the inner cavity of the shell 1 by a preset distance; the second filter element 5 fills the gap between the outer wall of the first filter element 4 and the inner cavity side wall of the shell 1; the bottom of the second filter element 5 is spaced from the bottom of the inner cavity of the shell 1 by a preset distance, and the top of the second filter element 5 is spaced from the top of the inner cavity of the shell 1 by a preset distance.

[0040] In this embodiment, by arranging the first filter element 4 and the second filter element 5 in the shell 1, it can be connected to an external water source device (such as a faucet) through the water inlet 2. When filtering is required, water enters the inner cavity of the shell 1 through the water inlet 2, and then passes through the second filter element 5 from the bottom of the second filter element 5 to the water inlet end of the first filter element 4, and then passes through the first filter element 4 from the water inlet end of the first filter element 4 and flows out from the water outlet end of the first filter element 4 to the water outlet 3 for discharge. The filtration is completed by the first filter element 4 and the second filter element 5, and impurities in the water are removed to improve the filtering effect. When water passes through the cavity between the first filter element 4 and the second filter element 5, the color of the first filter element 4 and the second filter element 5 in the shell 1 can be intuitively observed through the observation window 6 to understand the usage of the first filter element 4 and the second filter element 5, so as to replace the first filter element 4 and the second filter element 5 in time to ensure the quality of purified water.

[0041] Example 2

[0042] As a further improvement to Embodiment 1, the observation window 6 is a plano-convex lens.

[0043] In this embodiment, the observation window 6 has a magnifying effect by adopting a plano-convex lens, so that the observer can observe the internal situation more clearly and check the color changes of the first filter element 4 and the second filter element 5 in the shell 1 to understand the usage of the water purifier and facilitate timely replacement.

[0044] As a convertible embodiment, the observation window 6 may also be a double convex lens. In this embodiment, the observation window 6 has a magnifying effect by using a double convex lens, so that the observer can observe the internal situation more clearly and check the color change of the first filter element 4 and the second filter element 5 in the housing 1 to understand the use of the water purifier and facilitate timely replacement.

[0045] On the basis of the above-mentioned embodiment, in a preferred embodiment, the housing 1 is a transparent housing, and the observation window 6 is arranged on the top of the housing 1 .

[0046] It should be noted that the transparent shell is integrated.

[0047] In this embodiment, the inner cavity of the shell 1 is magnified by using an observation window 6 with a double convex lens or a plano-convex lens, so that the observer can observe the internal situation more clearly and check the color changes of the first filter element 4 and the second filter element 5 in the shell 1 to understand the usage of the water purifier and facilitate timely replacement.

[0048] As a convertible implementation method, it can also be, for example Figure 1 , Figure 4 and Figure 5 As shown, the top of the housing 1 is provided with a through hole communicating with the inner cavity thereof, and the observation window 6 is sealed and bonded in the through hole. By using bonding, it is convenient to connect the observation window 6 in the through hole, and the color of the first filter element 4 and the second filter element 5 in the housing 1 can be visually observed through the through hole and the observation window 6, so as to understand the use of the water purifier, so as to replace the first filter element 4 and the second filter element 5 in time to ensure the quality of purified water.

[0049] As a convertible implementation method, it can also be, for example Figure 1 , Figure 4 and Figure 5 As shown, the observation window 6 is integrally formed with the housing 1. By adopting the integral forming method, the overall stability is improved and the service life is increased.

[0050] Based on the above implementation, in a preferred implementation, Figure 3 As shown, the first filter element 4 includes: a membrane shell 41, which is arranged in the housing 1 along the vertical direction, with both ends of the membrane shell 41 opened, and the bottom of the membrane shell 41 seals and covers the water outlet 3; a hollow fiber ultrafiltration membrane 42, which is arranged in the membrane shell 41 and is suitable for filtering water.

[0051] In this embodiment, openings are provided at both ends of the membrane shell 41 to facilitate the passage of water and to observe the color change of the hollow fiber ultrafiltration membrane 42. At the same time, a hollow fiber ultrafiltration membrane 42 is provided in the membrane shell 41 to filter the water passing through, thereby removing bacteria and retaining minerals such as calcium and magnesium that are beneficial to the human body, thereby improving the water purification effect. The hollow fiber ultrafiltration membrane 42 is convenient for replacement and cleaning.

[0052] On the basis of the above-mentioned embodiment, in a preferred embodiment, the material of the observation window 6 is resin, fused quartz or acrylic.

[0053] In this embodiment, the material of the observation window 6 can be selected from resin, fused quartz or acrylic, all of which are transparent materials for easy observation of the interior of the housing 1 .

[0054] Based on the above implementation, in a preferred implementation, Figure 3 As shown, the second filter element 5 includes a first filter fixing plate 51 and a second filter fixing plate 52; the first filter fixing plate 51 and the second filter fixing plate 52 are both arranged in a ring shape, and the first filter fixing plate 51 and the second filter fixing plate 52 are arranged on the peripheral side of the first filter element 4 at intervals from top to bottom, and activated carbon particles 53 are filled between the first filter fixing plate 51 and the second filter fixing plate 52.

[0055] It should be noted that the outer circumferences of the first filter fixing plate 51 and the second filter fixing plate 52 are both adapted to abut against the inner wall of the shell 1 , and the inner sides of the first filter fixing plate 51 and the second filter fixing plate 52 are adapted to abut against the outer circumference of the first filter element 4 .

[0056] In this embodiment, the first filter fixing plate 51 and the second filter fixing plate 52 are arranged around the circumference of the first filter element 4, and activated carbon particles 53 are filled between the first filter fixing plate 51 and the second filter fixing plate 52, so as to facilitate multiple filtration of water. The first filter fixing plate 51 and the second filter fixing plate 52 can filter mud, rust, and large particles of impurities, and the activated carbon particles 53 can remove residual chlorine, discoloration and odor in the water, thereby improving the filtering effect and ensuring the quality of purified water.

[0057] On the basis of the above-mentioned embodiment, in a preferred embodiment, the first filter screen fixing plate 51 and the second filter screen fixing plate 52 are both PET filter screens.

[0058] In this embodiment, the first filter fixing plate 51 and the second filter fixing plate 52 both use PET filter screens, which have higher strength and toughness, and can effectively filter impurities and pollutants in water, such as heavy metal ions such as lead, copper, and mercury, harmful bacteria and viruses, and odorous substances, etc., to improve the water purification effect.

[0059] Based on the above implementation, in a preferred implementation, Figure 3 As shown, a first limiting member 7 is provided in the shell 1 above the first filter fixing plate 51, and the bottom of the first limiting member 7 abuts against the first filter fixing plate 51; a second limiting member 8 is provided in the shell 1 below the second filter fixing plate 52, and the top of the second limiting member 8 abuts against the second filter fixing plate 52.

[0060] In this embodiment, the first limit member 7 and the second limit member 8 respectively abut the first filter fixing plate 51 and the second filter fixing plate 52, so that the first filter fixing plate 51, the second filter fixing plate 52 and the activated carbon particles are stably arranged on the peripheral side of the first filter element 4 to ensure stability.

[0061] Specifically, Figure 3 As shown, the first limiting member 7 includes a plurality of limiting columns, which are arranged at intervals around the axial direction of the first filter fixing plate 51 at the top of the inner cavity of the shell 1 to facilitate abutment against the first filter fixing plate 51.

[0062] Specifically, Figure 3 As shown, the second limiting member 8 is an annular protrusion, which is arranged around the inner wall of the housing 1 and is suitable for abutting against the second filter fixing plate 52 .

[0063] Based on the above implementation, in a preferred implementation, Figure 1 As shown, it also includes a water circuit conversion component 9, which has an inlet 91, a first outlet 92, a second outlet 93 and a water circuit conversion switch 94. The first outlet 92 is connected to the water inlet 2; the inlet 91 is suitable for connecting to an external water source device; the water circuit conversion switch 94 is suitable for controlling the inlet 91 to be connected to the first outlet 92 or the inlet 91 to be connected to the second outlet 93.

[0064] In this embodiment, by providing a water circuit conversion component 9, it is convenient to switch the water through the water circuit conversion switch 94 to flow into the shell 1 for filtering or directly flow out through the second outlet 93. It can be switched and used according to actual conditions, with high flexibility, reducing the replacement cycle of the first filter element 4 and the second filter element 5 and improving the service life; the water circuit conversion component 9 can adopt the existing water circuit conversion component 9, such as a three-way valve or other devices.

[0065] Specifically, the water inlet 2 is provided with a stainless steel filter, which is suitable for removing large particles of impurities through the stainless steel filter.

[0066] The specific working principle of the water purifier provided in this embodiment is as follows: the first outlet 92 of the water path conversion member 9 can be connected through the water inlet 2, and then connected to an external water source device (such as a faucet) through the inlet 91 of the water path conversion member 9. When filtering is required, the inlet 91 is switched to be connected to the first outlet 92 through the water path conversion switch 94. Water enters the inner cavity of the shell 1 through the first outlet 92 through the water inlet 2, first passes through the stainless steel filter to remove large particles of impurities, and then passes through the second filter fixing plate 52, the activated carbon particles 53 and the first filter fixing plate 51 from bottom to top, and then flows to the water inlet end of the first filter member 4, and then passes through the water inlet end of the first filter member 4. After the hollow fiber ultrafiltration membrane 42, the water flows out from the outlet end of the first filter element 4 to the outlet 3 for discharge, completing the water purification. After multi-stage filtration, impurities in the water are removed to improve the filtering effect. When the water passes through the cavity between the first filter element 4 and the second filter element 5, the color of the first filter element 4 and the second filter element 5 in the housing 1 can be visually observed through the observation window 6 to understand the use of the water purifier so as to replace the first filter element 4 and the second filter element 5 in time to ensure the quality of the purified water. When water purification is not needed, the water channel conversion switch 94 can be used to switch the inlet 91 to the second outlet 93 without filtering, so that it can be used flexibly and the service life can be increased. The technical problem that the shell of the existing water purifier usually adopts a closed structure, resulting in the color change of the filter element of the water purifier cannot be observed in time, which is not convenient for timely replacement of the filter element, and thus the filtering effect is easily reduced is solved.

[0067] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A water purifier, characterized in that: include: A housing (1) having a water inlet (2) and a water outlet (3) arranged at the bottom of the housing (1); A first filter element (4) is arranged in the housing (1) along a vertical direction, and the top end of the first filter element (4) is a water inlet end; the bottom end of the first filter element (4) is a water outlet end, and the bottom end of the first filter element (4) seals and covers the water outlet (3); A second filter element (5) is disposed around the first filter element (4); the connection point between the water inlet (2) and the housing (1) is located below the second filter element (5); An observation window (6) is arranged on the top of the shell (1) and is suitable for observing the inner cavity of the shell (1).

2. The water purifier according to claim 1, characterized in that: The observation window (6) is a plano-convex lens.

3. The water purifier according to claim 1, characterized in that: The observation window (6) is a double convex lens.

4. The water purifier according to claim 2 or 3, characterized in that: The shell (1) is a transparent shell, and the observation window (6) is arranged on the top of the shell (1).

5. The water purifier according to claim 1, characterized in that: The top of the shell (1) is provided with a through hole communicating with its inner cavity, and the observation window (6) is sealed and bonded in the through hole.

6. The water purifier according to claim 1, characterized in that: The first filter element (4) comprises: A membrane shell (41) is arranged in the housing (1) along a vertical direction, with both ends of the membrane shell (41) being open, and the bottom of the membrane shell (41) sealingly covering the water outlet (3); The hollow fiber ultrafiltration membrane (42) is arranged in the membrane housing (41) and is suitable for filtering water.

7. The water purifier according to claim 1, characterized in that: The material of the observation window (6) is resin, fused quartz or acrylic.

8. The water purifier according to any one of claims 1-3, 5-6, characterized in that: The second filter element (5) comprises a first filter fixing plate (51) and a second filter fixing plate (52); the first filter fixing plate (51) and the second filter fixing plate (52) are both arranged in an annular shape, the first filter fixing plate (51) and the second filter fixing plate (52) are arranged on the peripheral side of the first filter element (4) from top to bottom with intervals, and activated carbon particles (53) are filled between the first filter fixing plate (51) and the second filter fixing plate (52).

9. The water purifier according to claim 8, characterized in that: The first filter screen fixing plate (51) and the second filter screen fixing plate (52) are both PET filter screens; And / or, a first limiting member (7) is provided in the shell (1) above the first filter fixing plate (51), and the bottom of the first limiting member (7) abuts against the first filter fixing plate (51); and a second limiting member (8) is provided in the shell (1) below the second filter fixing plate (52), and the top of the second limiting member (8) abuts against the second filter fixing plate (52).

10. The water purifier according to claim 1, characterized in that: The invention also comprises a water circuit conversion member (9), wherein the water circuit conversion member (9) comprises an inlet (91), a first outlet (92), a second outlet (93) and a water circuit conversion switch (94), wherein the first outlet (92) is connected to the water inlet (2); the inlet (91) is suitable for connecting to an external water source device; and the water circuit conversion switch (94) is suitable for controlling the inlet (91) to be connected to the first outlet (92) or the inlet (91) to be connected to the second outlet (93).

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