CN217578562U - Filter element with ultraviolet sterilization function and water using equipment - Google Patents

Abstract

The utility model relates to a take filter core and water equipment of ultraviolet sterilization function, the filter core of taking the ultraviolet sterilization function includes casing, first filter screen, second filter screen, ultraviolet lamp and filter material. The first end is formed with the water inlet with the cavity intercommunication, and the second end is formed with the delivery port with the cavity intercommunication. The first filter screen is arranged at the water inlet. The second filter screen is arranged at the water outlet. The ultraviolet lamp extends through the housing into the chamber interior. The filter material is filled in the cavity. A water source enters the chamber through the water inlet, and the water source is preliminarily filtered by the first filter screen to remove large-particle impurities; then, the water source entering the chamber is sterilized by an ultraviolet lamp, and the water source entering the chamber is subjected to depth filtration again by a filter material so as to filter small particle impurities and improve the water quality; the water source still passes through second filter screen filtration before outwards discharging through the delivery port, realizes further filtering, guarantees water source filtration quality, can realize degree of depth water purification, and water purification effect is better.

Description

Filter element with ultraviolet sterilization function and water using equipment

Technical Field

The utility model relates to a filter core especially relates to a take filter core and water equipment of ultraviolet sterilization function.

Background

Water-using equipment on the market, including but not limited to gas water heaters and electric water heaters, etc., is heated by tap water and then output to users. Generally, tap water inevitably contains large-particle impurities such as iron chips and sand, and harmful substances such as fine particles and insect eggs. In order to filter out impurities in tap water, a filter element is generally arranged in series on a pipeline from a water inlet end to a water outlet end of water using equipment, and the filter element is provided with a filter screen for filtering the tap water. The filter screen can tentatively filter the large granule impurity in the running water, realizes the simple filtration to the running water, but can not the degree of depth water purification.

SUMMERY OF THE UTILITY MODEL

The utility model provides a first technical problem provide a take filter core of ultraviolet sterilization function, it can realize degree of depth water purification, and the water purification effect is better.

The second technical problem solved by the utility model is to provide a water equipment, it can realize degree of depth water purification, and the water purification effect is better.

The first technical problem is solved by the following technical scheme:

a take filter core of ultraviolet sterilization function, take filter core of ultraviolet sterilization function includes: the shell is provided with a cavity and further comprises a first end and a second end which are oppositely arranged, the first end is provided with a water inlet communicated with the cavity, and the second end is provided with a water outlet communicated with the cavity; the first filter screen is arranged at the water inlet; the second filter screen is arranged at the water outlet; an ultraviolet lamp extending through the housing into the chamber interior; and the filter material is filled in the cavity.

Take filter core of ultraviolet sterilization function, compare produced beneficial effect with the background art:

after the filter element with the ultraviolet sterilization function is arranged on water equipment, a water source enters the cavity through the water inlet, and the water source is preliminarily filtered by the first filter screen to remove large-particle impurities in the water source; then, the water source entering the chamber is sterilized by an ultraviolet lamp, and the water source entering the chamber is subjected to depth filtration again by a filter material so as to filter small particle impurities and improve the water quality; the water source still carries out filtration treatment through the second filter screen before outwards discharging through the delivery port, realizes further filtering, guarantees water source filter quality. So, can realize degree of depth water purification, the water purification effect is better.

In one embodiment, the number of the ultraviolet lamps is at least two, and the ultraviolet lamps are arranged on the shell at intervals. So, for traditional ultraviolet lamp that only adopts a great powerful, through the mode that increases ultraviolet lamp quantity in this embodiment for guarantee under the unchangeable condition of ultraviolet total intensity, can reduce each ultraviolet lamp's operating power. In other words, a low power ultraviolet lamp may be used. Like this under the condition of guaranteeing same bactericidal effect, ultraviolet lamp's operating voltage is lower, and the security can promote, if the gasket damage leads to the electric leakage after using a period, also can not cause the injury to the human body.

In one embodiment, all the ultraviolet lamps are arranged at intervals in sequence along the direction from the water inlet to the water outlet. So, the in-process that enters into the inside water source of cavity and flow the delivery port from the water inlet passes through each ultraviolet lamp in proper order to be disinfected by each ultraviolet lamp in proper order, thereby can realize the better bactericidal effect to the water source.

In one embodiment, a first mounting hole and a second mounting hole are respectively formed on two opposite side walls of the shell; the lamp holder of the ultraviolet lamp is fixedly arranged in the first mounting hole in a penetrating mode, and the lamp holder of the ultraviolet lamp is fixedly arranged in the second mounting hole in a penetrating mode. Thus, the lamp cap and the lamp holder of the ultraviolet lamp are respectively fixed on the shell in a penetrating way, so that the ultraviolet lamp is stably arranged on the shell; in addition, the uv lamps span the housing, which directs the uv light as much as possible to more areas within the chamber for better sterilization.

In one embodiment, the inner wall of the shell is provided with a first abutting part, and the lamp holder is abutted and matched with the first abutting part so as to limit the lamp holder to move into the cavity; the inner wall of the shell is further provided with a second abutting part, and the lamp holder is abutted and matched with the second abutting part to limit the lamp holder to move into the cavity. So, after ultraviolet lamp installed on the casing, lamp holder and first butt portion and butt cooperation, lamp stand and the cooperation of second butt portion butt to can make ultraviolet lamp install on the casing firmly.

In one embodiment, a first detachable fastening piece is arranged on the lamp cap and is used for being abutted and matched with the first abutting part; and/or, be equipped with the second fastener of detachably on the lamp stand, the second fastener be used for with the butt joint cooperation of second butt portion.

In one embodiment, the first fastener is a bolt or a nut which is sleeved on the lamp cap and is in threaded connection with the lamp cap, or a clamping sleeve which is detachably clamped and sleeved on the lamp cap; the second fastener is a bolt or a nut which is sleeved on the lamp holder and is in threaded connection with the lamp holder, or a clamping sleeve which is detachably clamped and sleeved on the lamp holder.

In one embodiment, a first sealing ring is arranged between the lamp cap and the hole wall of the first mounting hole, and a second sealing ring is arranged between the lamp holder and the hole wall member of the second mounting hole. So, can guarantee the leakproofness that ultraviolet lamp installed on the casing through first sealing washer and second sealing washer, avoid the inside water source of cavity to leak outward through first mounting hole, second mounting hole.

In one embodiment, a reflective coating is attached to the inner wall of the housing; and/or the shell is made of an oxidation-resistant material; the filter material comprises one or more of activated carbon, calcium sulfite and activated alumina. Therefore, after the ultraviolet light cover of the ultraviolet lamp is arranged on the reflecting coating, the reflecting coating can reflect ultraviolet light, and the ultraviolet light reflected by the reflecting coating can be utilized to more efficiently finish water purification, so that the influence of the filled filter material on the ultraviolet light can be reduced.

The second technical problem is solved by the following technical solutions:

the utility model provides a water equipment, water equipment include the filter core of taking the ultraviolet sterilization function, still include the pipeline, the filter core of taking the ultraviolet sterilization function set up in series in on the pipeline.

Water equipment, compare produced beneficial effect with the background art:

after the water using equipment is arranged on the water using equipment, a water source enters the chamber through the water inlet, and the water source is preliminarily filtered by the first filter screen to remove large-particle impurities in the water source; then, the water source entering the chamber is sterilized by an ultraviolet lamp, and the water source entering the chamber is subjected to depth filtration again by a filter material so as to filter small particle impurities and improve the water quality; the water source still carries out filtration treatment through the second filter screen before outwards discharging through the delivery port, realizes further filtering, guarantees water source filter quality. So, can realize degree of depth water purification, the water purification effect is better.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a cross-sectional view of a filter element with ultraviolet sterilization function according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a filter element with an ultraviolet sterilization function according to another embodiment of the present invention;

fig. 3 is a view structural diagram of one of the filter elements with ultraviolet sterilization function according to an embodiment of the present invention;

fig. 4 is another view angle structure diagram of the filter element with ultraviolet sterilization function according to an embodiment of the present invention;

fig. 5 is a view of a filter element with ultraviolet sterilization function according to an embodiment of the present invention;

fig. 6 is a view of a filter element with ultraviolet sterilization function according to an embodiment of the present invention.

Reference numerals:

10. a housing; 11. a chamber; 12. a first end; 121. a water inlet; 13. a second end; 131. a water outlet; 133. a connecting pipe; 14. a first mounting hole; 15. a second mounting hole; 16. a first abutting portion; 17. a second abutting portion; 18. a reflective coating; 20. a first filter screen; 30. a second filter screen; 40. an ultraviolet lamp; 41. a lamp cap; 411. a first fastener; 42. a lamp socket; 421. mounting grooves; 50. filtering the material; 60. a first seal ring; 70. and a second seal ring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1, fig. 1 shows a cross-sectional view of a filter element with an ultraviolet sterilization function according to an embodiment of the present invention, an embodiment of the filter element with an ultraviolet sterilization function according to the present invention includes: a housing 10, a first screen 20, a second screen 30, an ultraviolet lamp 40, and a filter material 50. The housing 10 defines a chamber 11, and the housing 10 further includes a first end 12 and a second end 13 disposed opposite to each other. The first end 12 is formed with an inlet 121 (shown in fig. 5) communicating with the chamber 11, and the second end 13 is formed with an outlet 131 communicating with the chamber 11. The first screen 20 is provided at the water inlet 121. The second filter 30 is disposed at the water outlet 131. The ultraviolet lamp 40 extends through the housing 10 into the interior of the chamber 11. Filter material 50 fills the interior of chamber 11.

After the filter element with the ultraviolet sterilization function is arranged on water using equipment, a water source enters the cavity 11 through the water inlet 121, and the first filter screen 20 is used for preliminarily filtering large particle impurities in the water source; then, the water source entering the chamber 11 is sterilized by the ultraviolet lamp 40, and the water source entering the chamber 11 is further filtered by the filter material 50, so as to filter out small particle impurities and improve the water quality; the water source still carries out filtration treatment through second filter screen 30 before outwards discharging through delivery port 131, realizes further filtering, guarantees water source filtration quality. So, can realize degree of depth water purification, the water purification effect is better.

Referring to fig. 1 and 2, fig. 2 differs from fig. 1 in the degree of filling of the filter material 50. It should be noted that the filling degree of the filter material 50 in the cavity 11 of the housing 10 can be flexibly adjusted and set according to actual requirements, for example, the filter material 50 may be filled in a part of the space in the cavity 11, or the filter material 50 may be filled in the whole area in the cavity 11.

Referring to fig. 3 to 6, fig. 3 to 6 respectively show several different view structure diagrams of the filter element with ultraviolet sterilization function. In an embodiment, the housing 10 may be a regular structure such as a cylinder, a cuboid, or the like, or may be other irregular structures, which is not limited herein and may be flexibly adjusted and selected according to actual requirements.

Referring to fig. 5, in an embodiment, the water inlets 121 are arranged in various shapes, the number of the water inlets 121 is not limited to one or more positions, and the water inlets can be flexibly adjusted and selected according to actual requirements as long as water sources can enter the chamber 11 through the water inlets 121. Specifically, the water inlet 121 includes, but is not limited to, an isotactic form in an arc-shaped hole, a kidney-shaped hole, a circular hole, an elliptical hole, a square hole, and the like.

Referring to fig. 1, in one embodiment, the water outlet 131 is connected to other pipes, and a connecting pipe 133 is disposed at the second end 13 and is connected to the water outlet 131, so that the water outlet can be connected to a pipeline through the connecting pipe 133.

Referring to fig. 1, in one embodiment, at least two ultraviolet lamps 40 are disposed on the housing 10 at intervals. Thus, compared with the conventional ultraviolet lamps 40 with a larger power, the present embodiment increases the number of the ultraviolet lamps 40, so as to reduce the operating power of each ultraviolet lamp 40 under the condition of ensuring that the total intensity of the ultraviolet rays is not changed. In other words, a low power ultraviolet lamp 40 may be employed. Thus, under the condition of ensuring the same sterilization effect, the working voltage of the ultraviolet lamp 40 is lower, the safety is improved, and if the gasket is damaged to cause electric leakage after being used for a period of time (one year or several years), the human body cannot be injured.

Referring to fig. 1 again, in one embodiment, all the ultraviolet lamps 40 are arranged at intervals in sequence along the direction from the water inlet 121 to the water outlet 131. So, the in-process that enters into the inside water source of cavity 11 and flow to delivery port 131 from water inlet 121 passes through each ultraviolet lamp 40 in proper order to in proper order by each ultraviolet lamp 40 disinfect, thereby can realize the better bactericidal effect to the water source.

Referring to fig. 1, in one embodiment, two opposite sidewalls of the housing 10 are respectively provided with a first mounting hole 14 and a second mounting hole 15. The lamp holder 41 of the ultraviolet lamp 40 is fixed in the first mounting hole 14, and the lamp holder 42 of the ultraviolet lamp 40 is fixed in the second mounting hole 15. In this way, the lamp cap 41 and the lamp holder 42 of the ultraviolet lamp 40 are respectively fixed on the housing 10 in a penetrating manner, so as to be stably installed on the housing 10; in addition, the uv lamps 40 span the housing 10, which directs uv light as much as possible to more areas within the chamber 11 for better sterilization.

Referring to fig. 1 again, in an embodiment, the inner wall of the housing 10 is provided with a first abutting portion 16, and the lamp head 41 is abutted and matched with the first abutting portion 16 to limit the lamp head 41 from moving into the cavity 11. The inner wall of the housing 10 is further provided with a second abutting portion 17, and the lamp holder 42 is abutted and matched with the second abutting portion 17 so as to limit the lamp holder 42 from moving into the cavity 11. Thus, after the ultraviolet lamp 40 is installed on the housing 10, the lamp cap 41 is in abutting engagement with the first abutting portion 16, and the lamp holder 42 is in abutting engagement with the second abutting portion 17, so that the ultraviolet lamp 40 can be stably installed on the housing 10.

The "first abutting portion 16" may be "a part of the housing 10", that is, the "first abutting portion 16" may be integrally formed with "the other part of the housing 10"; or a separate member that is separable from the "other part of the housing 10", i.e., the "first abutment 16" may be manufactured separately and then integrated with the "other part of the housing 10".

The "second abutting portion 17" may be a "part of the housing 10", that is, the "second abutting portion 17" may be integrally formed with "the other part of the housing 10"; the "second abutment 17", which may be a separate member from the "other part of the housing 10", may be manufactured separately and then integrated with the "other part of the housing 10".

Specifically, the first contact portion 16 is formed by extending the hole wall of the first mounting hole 14 toward the center of the chamber 11, and the first contact portion 16 is bent to hook the base 41.

In addition, similarly, the second abutting portion 17 is formed by extending the hole wall of the second mounting hole 15 toward the center direction of the cavity 11, and the second abutting portion 17 is bent to hook the lamp holder 42.

Referring to fig. 1 again, in an embodiment, the lamp cap 41 is provided with a detachable first fastening member 411, and the first fastening member 411 is used for abutting and matching with the first abutting portion 16; and/or, the lamp holder 42 is provided with a second fastening member (not shown) which is detachably engaged with the second abutting portion 17.

Referring to fig. 1 again, in an embodiment, the first fastening member 411 is a bolt or a nut sleeved on the lamp head 41 and screwed with the lamp head 41, or a clamping sleeve detachably clamped on the lamp head 41. In one embodiment, the second fastening member is a bolt or a nut that is sleeved on the lamp holder 42 and is in threaded connection with the lamp holder 42, or a clamping sleeve that is detachably clamped on the lamp holder 42.

Referring to fig. 1 again, in one embodiment, a first sealing ring 60 is disposed between the lamp cap 41 and the wall of the first mounting hole 14, and a second sealing ring 70 is disposed between the lamp holder 42 and the wall of the second mounting hole 15. Thus, the first sealing ring 60 and the second sealing ring 70 can ensure the sealing performance of the ultraviolet lamp 40 installed on the housing 10, and prevent the water source inside the chamber 11 from leaking outwards through the first mounting hole 14 and the second mounting hole 15.

Specifically, the first contact portion 16 is a ring-shaped flange extending into the chamber 11 through the hole wall of the first mounting hole 14, and the first seal ring 60 is in contact with a step surface of the base 41 and the first contact portion 16, thereby ensuring the sealing property at the first mounting hole 14 in the chamber 11.

Specifically, the second sealing ring 70 is sleeved on the lamp holder 42 and abuts against the hole wall of the second mounting hole 15, so that the sealing performance of the second mounting hole 15 can be ensured. Optionally, a mounting groove 421 corresponding to the second sealing ring 70 is provided on the lamp holder 42, and the second sealing ring 70 is disposed in the mounting groove 421.

The number of the first mounting holes 14 and the second mounting holes 15 corresponds to the number of the ultraviolet lamps 40. That is, when the number of the ultraviolet lamps 40 is three, for example, the number of the first mounting holes 14 and the number of the second mounting holes 15 are three, the three first mounting holes 14 are respectively provided with the lamp caps 41 of the three ultraviolet lamps 40, and the three second mounting holes 15 are respectively provided with the lamp holders 42 of the three ultraviolet lamps 40.

Referring again to fig. 1, in one embodiment, a reflective coating 18 is attached to the inner wall of the housing 10. Thus, after the ultraviolet light cover of the ultraviolet lamp 40 is disposed on the reflective coating 18, the reflective coating 18 can reflect the ultraviolet light, and the ultraviolet light reflected by the reflective coating 18 can be utilized to more efficiently purify water, so that the influence of the filled filter material 50 on the ultraviolet light can be reduced.

In one embodiment, the material of the housing 10 is an oxidation resistant material. Wherein, the material for resisting oxidation includes but not limited to stainless steel, brass and the like, and can be flexibly selected according to actual requirements. In addition, the material of the casing 10 may also be other metal materials, such as one or more selected from gold, silver, copper, platinum, and stainless steel.

In one embodiment, filter media 50 includes one or more of activated carbon, calcium sulfite, and activated alumina.

Referring to fig. 1 again, in an embodiment, a water using apparatus includes the filter element with ultraviolet sterilization function of any of the above embodiments, and further includes a pipeline (not shown), and the filter element with ultraviolet sterilization function is serially disposed on the pipeline.

After the water consumption equipment is installed on the water consumption equipment, a water source enters the chamber 11 through the water inlet 121, and the first filter screen 20 is used for preliminarily filtering large-particle impurities in the water source; then, the water source entering the chamber 11 is sterilized by the ultraviolet lamp 40, and the water source entering the chamber 11 is further subjected to depth filtration by the filter material 50 to filter out small particle impurities and improve the water quality; the water source still carries out filtration treatment through second filter screen 30 before outwards discharging through delivery port 131, realizes further filtering, guarantees water source filtration quality. So, can realize degree of depth water purification, the water purification effect is better.

In one embodiment, the water-using device includes, but is not limited to, a gas water heater or an electric water heater that functions as a hot water and heating dual-purpose stove. Of course, the water using equipment in the embodiment is not limited to be a gas water heater or an electric water heater, and a person skilled in the art can flexibly select the type of the water using equipment according to actual needs.

It should be noted that while one of the elements described herein is connected to another element and one of the elements is attached to another element, it is understood that the two elements may be connected by fasteners such as bolts, screws, pins, rivets, etc., or may be fixedly connected by snapping, welding or integrally forming. Wherein, the integrated molding mode can adopt the processes of extrusion, casting, press fitting, injection molding and the like.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. The utility model provides a take filter core of ultraviolet sterilization function which characterized in that, take filter core of ultraviolet sterilization function includes:

the device comprises a shell (10), wherein a cavity (11) is formed in the shell (10), the shell (10) further comprises a first end (12) and a second end (13) which are oppositely arranged, a water inlet (121) communicated with the cavity (11) is formed in the first end (12), and a water outlet (131) communicated with the cavity (11) is formed in the second end (13);

a first screen (20), wherein the first screen (20) is arranged at the water inlet (121);

a second screen (30), wherein the second screen (30) is arranged at the water outlet (131);

an ultraviolet lamp (40), wherein the ultraviolet lamp (40) penetrates through the shell (10) and extends into the chamber (11); and

the filter material (50) is filled in the cavity (11).

2. The filter cartridge with ultraviolet sterilization function according to claim 1, wherein at least two ultraviolet lamps (40) are provided on the housing (10) at intervals.

3. The filter element with ultraviolet sterilization function according to claim 2, characterized in that all the ultraviolet lamps (40) are arranged at intervals in sequence along the direction from the water inlet (121) to the water outlet (131).

4. The filter element with ultraviolet sterilization function according to claim 1, wherein the opposite side walls of the housing (10) are respectively provided with a first mounting hole (14) and a second mounting hole (15); the lamp holder (41) of the ultraviolet lamp (40) is fixedly arranged in the first mounting hole (14) in a penetrating manner, and the lamp holder (42) of the ultraviolet lamp (40) is fixedly arranged in the second mounting hole (15) in a penetrating manner.

5. The filter cartridge with ultraviolet sterilization function according to claim 4, wherein the inner wall of the housing (10) is provided with a first abutting portion (16), the lamp head (41) is abutted and matched with the first abutting portion (16) so as to limit the lamp head (41) from moving into the chamber (11); the inner wall of the shell (10) is further provided with a second abutting part (17), and the lamp holder (42) is abutted and matched with the second abutting part (17) to limit the lamp holder (42) from moving into the cavity (11).

6. The filter cartridge with ultraviolet sterilization function as recited in claim 5, wherein a first detachable fastening member (411) is provided on the lamp cap (41), the first fastening member (411) is used for abutting and matching with the first abutting portion (16); and/or a second detachable fastener is arranged on the lamp holder (42), and the second fastener is used for being in butt fit with the second abutting part (17).

7. The filter element with the ultraviolet sterilization function according to claim 6, wherein the first fastening member (411) is a bolt or a nut sleeved on the lamp holder (41) and in threaded connection with the lamp holder (41), or a clamping sleeve detachably clamped on the lamp holder (41); the second fastener is a bolt or a nut which is sleeved on the lamp holder (42) and is in threaded connection with the lamp holder (42), or a clamping sleeve which is detachably clamped and sleeved on the lamp holder (42).

8. The filter element with ultraviolet sterilization function according to claim 4, wherein a first sealing ring (60) is arranged between the lamp cap (41) and the wall of the first mounting hole (14), and a second sealing ring (70) is arranged between the lamp holder (42) and the wall of the second mounting hole (15).

9. The filter element with ultraviolet sterilization function according to claim 1, characterized in that the inner wall of the shell (10) is adhered with a reflective coating (18); and/or the material of the shell (10) is an oxidation-resistant material; the filter material (50) is active carbon, calcium sulfite or active alumina.

10. A water using device, characterized in that the water using device comprises the filter element with ultraviolet sterilization function as claimed in any one of claims 1 to 9, and further comprises a pipeline, and the filter element with ultraviolet sterilization function is serially arranged on the pipeline.

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