Filtering straw for kettle

Abstract

The utility model relates to the technical field of kettle accessories, in particular to a filtering straw for a kettle, which is characterized in that a nutrient solution bag end cover is mounted at the top of a nutrient solution bag, an end cover liquid path hole is integrally formed in the middle of the nutrient solution bag end cover, and end cover water path holes are formed in the nutrient solution bag end cover and positioned on two sides of the end cover liquid path hole; the nutrient solution bag end cover is clamped between the bottom of the second protrusion and the top end of the reinforcing rib. A connecting piece partition plate is integrally formed in the connecting piece, a connecting piece water way hole and a connecting piece liquid way hole are formed in the connecting piece partition plate, the connecting piece liquid way hole is communicated with a protruding nozzle integrally formed below the middle of the connecting piece partition plate, and the protruding nozzle is inserted into the end cover liquid way hole. And the connecting piece waterway hole is communicated with the end cover waterway hole. Water can be independently drunk or mixed liquid of water and nutrient liquid can be drunk at the same time according to needs, and various drinking requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of kettle accessories, in particular to a filter straw for a kettle. Background Art

[0002] Current water bottles typically hold only one type of liquid. This makes it difficult to meet multiple needs, such as quenching thirst and replenishing energy. Therefore, a straw with dual suction functions is urgently needed to meet multiple drinking needs. Summary of the Invention

[0003] The purpose of the utility model is to address the defects and shortcomings of the existing technology and provide a filter straw for a kettle, which can meet various drinking needs and is more practical.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it comprises a filter housing, a filter element, a connecting cylinder and a connecting piece; the filter housing is a cylindrical structure that is through-type from top to bottom, and a plurality of semicircular grooves are formed on its lower end; a filter element is installed in the filter housing, the connecting cylinder is installed at the top end of the filter housing, and a plurality of openings that are in communication with the filter housing are formed in a connecting cylinder partition at the bottom of the connecting cylinder; the top end of the connecting cylinder is mounted on the lower end of the bottle cap by means of a connecting piece; the inner wall of the connecting cylinder is integrally formed with a plurality of reinforcing ribs at equal angles, and the inner wall of the connecting cylinder is integrally formed with a plurality of No. 2 protrusions located at the upper end of the reinforcing ribs; it further comprises:

[0005] The nutrient solution bag is provided with a nutrient solution bag end cap installed on the top of the nutrient solution bag, and an end cap liquid path hole is integrally formed in the middle of the nutrient solution bag end cap, and end cap water path holes are provided on the nutrient solution bag end cap at positions on both sides of the end cap liquid path hole; the nutrient solution bag end cap is clamped between the bottom of the No. 2 protrusion and the top of the reinforcing rib; a connector partition is integrally formed in the connector, and a connector water path hole and a connector liquid path hole are provided in the connector partition, wherein the connector liquid path hole is connected to a protruding nozzle integrally formed at the lower middle part of the connector partition, and the protruding nozzle is inserted into the end cap liquid path hole; the connector water path hole is connected to the end cap water path hole;

[0006] A silicone valve is mounted on the connector partition. A positioning groove is provided on the side wall of the silicone valve, which cooperates with a positioning protrusion integrally formed on the inner wall of the connector. The silicone valve is provided with a waterway check valve and a liquidway check valve. A sealing ridge is integrally formed on the upper portion of the silicone valve. The sealing ridges located around the liquidway check valve and on one side constitute the liquidway closure. The waterway check valve is arranged in communication with the waterway hole of the connector. The liquidway check valve is arranged in communication with the liquidway hole of the connector.

[0007] A rotary valve core is installed above the silicone valve and is movably in contact with the sealing convex edge; a transmission claw is integrally formed upward on the peripheral wall of the rotary valve core, and a valve core liquid path hole and an arc-shaped water path hole are opened in the rotary valve core; the valve core liquid path hole is movably corresponding to the liquid path check valve and the liquid path closing part respectively; the arc-shaped water path hole is corresponding to the water path check valve; a positioning arc groove is opened at the bottom of the rotary valve core, and the protrusion 5-3 is movably set in the positioning arc groove, and the protrusion 5-3 is movably in contact with the inner walls of the two ends of the positioning arc groove;

[0008] The spline sleeve is arranged on the upper part of the rotary valve core and is engaged with the transmission claw by utilizing the transmission claw groove opened at the bottom; the lower outer wall of the spline sleeve is sealed with the upper inner wall of the connecting piece; the inner wall of the upper end of the spline sleeve is a conical structure, and a plurality of spline grooves are opened on the conical structure;

[0009] An air intake sleeve is sleeved on the spline sleeve, and its outer wall is sealed with the inner wall of the bottle cap; an annular groove is formed on the annular wall of the air intake sleeve, and a plurality of air intake holes of the air intake sleeve are formed on the top wall and are connected with the air intake holes of the bottle cap formed on the annular wall of the bottle cap;

[0010] The spline shaft is a hollow structure that passes through from top to bottom, which is inserted into the bottle cap, and the lower end is plugged into the spline groove by utilizing the splines on its outer wall; the outer wall of the spline shaft is integrally formed with a spline shaft sleeve cover, and a spring is sleeved on the spline shaft, the lower end of the spring abuts against the upper end surface of the spline sleeve, and the upper end abuts against the bottom wall of the spline shaft sleeve cover, and a suction nozzle is integrally formed on the spline shaft sleeve cover; a spline shaft air inlet hole is provided on the spline shaft sleeve cover; the spline shaft sleeve cover passes through the opening in the bottle cap partition inside the bottle cap, and a limiting arc groove is provided on the open ring wall, and the two ends of the limiting arc groove are limiting points; the outer wall of the spline shaft sleeve cover is integrally formed with a limiting convex strip, which is movably arranged in the limiting arc groove and movably abuts against the limiting points at both ends.

[0011] Furthermore, a rotating handle is integrally formed on the top wall of the spline shaft sleeve cover.

[0012] Furthermore, a protective cover is provided on the outside of the bottle cap, and the protective cover is integrally formed with the bottle cap partition.

[0013] Furthermore, an internal thread is integrally formed on the inner wall of the upper port of the bottle cap, and an external thread is integrally formed on the lower end of the bottle cap located inside the protective cover.

[0014] Furthermore, a protrusion No. 1 is integrally formed on the top outer wall of the filter element housing and is matched with the lower port of the connecting cylinder.

[0015] Furthermore, a number three protrusion is integrally formed on the outer wall of the lower end of the connecting piece and cooperates with the inner wall of the upper end of the connecting tube.

[0016] Furthermore, a No. 4 protrusion is integrally formed on the outer wall of the upper end of the connecting piece and cooperates with the inner wall of the lower end of the bottle cap.

[0017] Furthermore, a No. 1 sealing ring is used to seal the upper end of the filter element housing and the lower end of the connecting cylinder.

[0018] Furthermore, a No. 2 sealing ring is used to seal between the protruding nozzle and the liquid path hole of the end cover.

[0019] Furthermore, the outer wall of the connector is sealed with a No. 3 sealing ring and a No. 4 sealing ring, respectively, between the upper end of the connecting tube and the lower end of the bottle cap.

[0020] Furthermore, a No. 5 sealing ring is sleeved on the lower end of the spline shaft, and the outer wall of the No. 5 sealing ring is sealed with the conical surface of the inner wall of the upper end of the spline sleeve.

[0021] Furthermore, a No. 6 sealing ring is used to seal the lower port of the spline sleeve and the upper port of the connector.

[0022] Furthermore, the outer wall of the air inlet sleeve and the lower inner wall of the bottle cap are sealed by a No. 7 sealing ring and a No. 8 sealing ring, and the No. 8 sealing ring and the No. 7 sealing ring are respectively arranged on the upper and lower sides of the annular groove.

[0023] Furthermore, a No. 9 sealing ring is sleeved on the lower port of the spline shaft sleeve cover, and the outer wall of the No. 9 sealing ring is sealed with the inner wall of the bottle cap and the bottom wall of the bottle cap partition.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention provides a filter straw for a kettle, which can be used for drinking water alone or a mixture of water and nutrient solution at the same time as needed, meeting various drinking needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model during the drinking water process.

[0026] Figure 2 It is a structural schematic diagram of the utility model in the process of drinking water and nutrient solution at the same time.

[0027] Figure 3 It is an exploded view of the present utility model.

[0028] Figure 4 yes Figure 2 Enlarged view of part A in the middle.

[0029] Figure 5 yes Figure 2 Enlarged view of part B in the middle.

[0030] Figure 6 It is a top view of the end cover of the present utility model.

[0031] Figure 7 yes Figure 3 Enlarged view of part C in the middle.

[0032] Figure 8 It is a structural schematic diagram of the spline shaft in the utility model.

[0033] Figure 9 It is a top view of the air intake sleeve in the utility model.

[0034] Figure 10 It is a bottom view of the air intake sleeve in the utility model.

[0035] Figure 11 It is a bottom view of the spline sleeve in the utility model.

[0036] Figure 12 It is a top view of the rotary valve core in the utility model.

[0037] Figure 13 It is a bottom view of the rotary valve core in the utility model.

[0038] Figure 14 It is a structural diagram of the silicone valve in the utility model.

[0039] Figure 15 It is a top view of the connecting piece in the present invention.

[0040] Figure 16 It is a bottom view of the connecting piece in the present invention.

[0041] Figure 17 It is a structural schematic diagram of the nutrient solution bag in the utility model.

[0042] Figure 18 It is a top view of the connecting tube in the utility model.

[0043] Figure 19 It is a bottom view of the connecting tube in the utility model.

[0044] Figure 20 It is a bottom view of the filter element housing in the utility model.

[0045] Description of reference numerals:

[0046] Filter element housing 1, No. 1 protrusion 1-1, filter element 2, connecting tube 3, reinforcing rib 3-1, No. 2 protrusion 3-2, connecting tube partition 3-3, nutrient solution bag 4, nutrient solution bag end cap 4-1, end cap water channel hole 4-2, end cap liquid channel hole 4-3, connector 5, connector water channel hole 5-1, connector liquid channel hole 5-2, positioning protrusion 5-3, connector partition 5-4, protruding nozzle 5-5, No. 3 protrusion 5-6, No. 4 protrusion 5-7, silicone valve 6, sealing ridge 6-1, liquid channel closure 6-2, liquid channel check valve 6-3, water channel check valve 6-4, positioning groove 6-5, rotary valve core 7, transmission claw 7-1, arc-shaped water channel hole 7-2, valve core liquid channel hole 7-3, positioning arc groove 7- 4. Spline sleeve 8, transmission claw groove 8-1, air intake sleeve 9, annular groove 9-1, air intake sleeve air inlet hole 9-2, spring 10, spline shaft 11, spline shaft air inlet hole 11-1, limiting ridge 11-2, rotating handle 11-3, spline shaft sleeve cover 11-4, bottle cap 12, internal thread 12-1, external thread 12-2, protective cover 12-3, bottle cap partition 12-4, limiting arc groove 12-5, limiting point 12-6, bottle cap air inlet hole 12-7, suction nozzle 13, No. 1 sealing ring 14, No. 2 sealing ring 15, No. 3 sealing ring 16, No. 4 sealing ring 17, No. 5 sealing ring 18, No. 6 sealing ring 19, No. 7 sealing ring 20, No. 8 sealing ring 21, No. 9 sealing ring 22. DETAILED DESCRIPTION

[0047] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0048] like Figures 1-20As shown, this specific embodiment adopts the following technical scheme: it comprises a filter cartridge housing 1, a filter cartridge 2, a connecting cylinder 3 and a connecting piece 5; the filter cartridge housing 1 is a cylindrical structure that is through-type, and a plurality of semicircular grooves are provided at its lower end; a filter cartridge 2 is installed in the filter cartridge housing 1, and a No. 1 protrusion 1-1 that cooperates with the lower end of the connecting cylinder 3 is integrally formed on the top outer wall of the filter cartridge housing 1, and the connecting cylinder 3 is installed at the top end of the filter cartridge housing 1, and a No. 1 sealing ring 14 is used to seal the upper end of the filter cartridge housing 1 and the lower end of the connecting cylinder 3; a plurality of openings that are in communication with the filter cartridge housing 1 are provided in the connecting cylinder partition 3-3 at the bottom of the connecting cylinder 3; the connecting cylinder 3 The top of the bottle cap 12 is mounted on the bottom of the bottle cap 12 by a connecting piece 5. The outer wall of the bottom of the connecting piece 5 is integrally formed with a No. 3 protrusion 5-6 that cooperates and contacts with the inner wall of the upper end of the connecting tube 3. The outer wall of the upper end of the connecting piece 5 is integrally formed with a No. 4 protrusion 5-7 that cooperates and contacts with the inner wall of the lower end of the bottle cap 12. The outer wall of the connecting piece 5 is sealed with a No. 3 sealing ring 16 and a No. 4 sealing ring 17, respectively, between the upper end of the connecting tube 3 and the lower end of the bottle cap 12. The inner wall of the connecting tube 3 is integrally formed with several reinforcing ribs 3-1 at equal angles. The inner wall of the connecting tube 3 is located at the upper end of the reinforcing rib 3-1 and is integrally formed with several No. 2 protrusions 3-2. It also includes:

[0049] The nutrient solution bag 4 is provided with a nutrient solution bag end cap 4-1 on the top of the nutrient solution bag 4, and an end cap liquid path hole 4-3 is integrally formed in the middle of the nutrient solution bag end cap 4-1. End cap water path holes 4-2 are provided on the nutrient solution bag end cap 4-1 at both sides of the end cap liquid path hole 4-3; the nutrient solution bag end cap 4-1 is clamped between the bottom of the No. 2 protrusion 3-2 and the top of the reinforcing rib 3-1; a connector partition 5-4 is integrally formed in the connector 5, and a connector water path hole 5-1 and a connector liquid path hole 5-2 are provided in the connector partition 5-4, wherein the connector liquid path hole 5-2 is connected to a protruding nozzle 5-5 integrally formed at the lower middle part of the connector partition 5-4, and the protruding nozzle 5-5 is inserted into the end cap liquid path hole 4-3, and the two are sealed by a No. 2 sealing ring 15; the connector water path hole 5-1 is connected to the end cap water path hole 4-2;

[0050] A silicone valve 6 is mounted on the connector partition 5-4. A positioning groove 6-5 is provided on the side wall of the silicone valve 6. The positioning groove 6-5 engages with a positioning protrusion 5-3 integrally formed on the inner wall of the connector 5. A waterway check valve 6-4 and a liquidway check valve 6-3 are provided in the silicone valve 6. A sealing ridge 6-1 is integrally formed on the upper portion of the silicone valve 6. The sealing ridge 6-1 located around and on one side of the liquidway check valve 6-3 constitutes a liquidway closure 6-2. The waterway check valve 6-4 is arranged to extend through the connector waterway hole 5-1. The liquidway check valve 6-3 is arranged to extend through the connector liquidway hole 5-2.

[0051] A rotary valve core 7 is mounted above the silicone valve 6 and is movably engaged with the sealing ridge 6-1. A transmission claw 7-1 is integrally formed upwardly on the peripheral wall of the rotary valve core 7. A valve core liquid path hole 7-3 and an arc-shaped water path hole 7-2 are provided in the rotary valve core 7. The valve core liquid path hole 7-3 is movably associated with the liquid path check valve 6-3 and the liquid path closing portion 6-2, respectively. The arc-shaped water path hole 7-2 is correspondingly associated with the water path check valve 6-4. A positioning arc groove 7-4 is provided at the bottom of the rotary valve core 7. The protrusion 5-3 is movably disposed in the positioning arc groove 7-4, and the protrusion 5-3 is movably engaged with the inner walls at both ends of the positioning arc groove 7-4.

[0052] The spline sleeve 8 is arranged on the upper part of the rotary valve core 7 and is engaged with the transmission claw 7-1 by using the transmission claw groove 8-1 opened at the bottom; the lower outer wall of the spline sleeve 8 and the upper inner wall of the connecting piece 5 are sealed by a No. 6 sealing ring 19; the inner wall of the upper end of the spline sleeve 8 is a conical structure with a plurality of spline grooves opened on the conical structure;

[0053] The air intake sleeve 9 is sleeved on the spline sleeve 8, and the outer wall of the air intake sleeve 9 and the lower inner wall of the bottle cap 12 are sealed by a No. 7 sealing ring 20 and a No. 8 sealing ring 21. The No. 8 sealing ring 21 and the No. 7 sealing ring 20 are respectively arranged on the upper and lower sides of the annular groove 9-1; the annular wall of the air intake sleeve 9 is provided with an annular groove 9-1, and the top wall is provided with a plurality of air intake holes 9-2 that are connected with the annular groove 9-1. The air intake holes 9-2 are connected with the bottle cap air intake hole 12-7 provided on the annular wall of the bottle cap 12;

[0054] The spline shaft 11 is a hollow structure that passes through the top and bottom. It is inserted into the bottle cap 12. The lower end is connected by the spline on its outer wall and the spline groove (so that the spline shaft 11 and the spline sleeve 8 rotate synchronously). A No. 5 sealing ring 18 is sleeved on the lower end of the spline shaft 11, and the outer wall of the No. 5 sealing ring 18 is sealed with the conical surface of the inner wall of the upper end of the spline sleeve 8; the outer wall of the spline shaft 11 is integrally formed with a spline shaft sleeve cover 11-4, the spline shaft A No. 9 sealing ring 22 is sleeved on the lower port of the sleeve cover 11-4, and the outer wall of the No. 9 sealing ring 22 is sealed with the inner wall of the bottle cap 12 and the bottom wall of the bottle cap partition 12-4; a spring 10 is sleeved on the spline shaft 11, and the lower end of the spring 10 abuts against the upper end surface of the spline sleeve 8, and the upper end abuts against the bottom wall of the spline shaft sleeve cover 11-4, and a suction nozzle 13 is integrally formed on the spline shaft sleeve cover 11-4; the top wall of the spline shaft sleeve cover 11-4 is integrally formed with a rotary Turn the handle 11-3; a spline shaft air inlet hole 11-1 is provided on the spline shaft sleeve cover 11-4; the spline shaft sleeve cover 11-4 passes through the opening in the bottle cap partition 12-4 set in the bottle cap 12, and a limiting arc groove 12-5 is provided on the open ring wall, and the two ends of the limiting arc groove 12-5 are limiting points 12-6; the outer wall of the spline shaft sleeve cover 11-4 is integrally formed with a limiting ridge 11-2, and the limiting ridge 11-2 is movably set It is arranged in the limiting arc groove 12-5 and is movably interfered with the limiting points 12-6 at both ends; a protective cover 12-3 is provided on the outside of the bottle cap 12, and the protective cover 12-3 is integrally formed with the bottle cap partition 12-4, and a "water" indicator arrow line is provided on the upper surface of the protective cover 12-3; an internal thread 12-1 is integrally formed on the inner wall of the upper end of the bottle cap 12, and the lower end of the bottle cap 12 is located inside the protective cover 12-3 and is integrally formed with an external thread 12-2.

[0055] When using the utility model, the whole is installed on the mouth of the kettle using the external thread 12-2, and then the original lid of the kettle presses the suction nozzle 13 and tightens it on the internal thread 12-1; when the lid is opened, the suction nozzle 13 bounces up under the elastic force of the spring 10, which is convenient for drinking.

[0056] See Figure 1 , the dotted line with an arrow in the figure is the air flow and the water outlet route; when drinking water is needed, turn the rotary handle 11-3 toward the word "water" above the protective cover 12-3, and the limiting ridge 11-2 is located at the first limiting point 12-6 of the limiting arc groove 12-5 ( Figure 6The water flows through the bottom of the filter cartridge housing 1 (including the semicircular groove), reaches the bottom surface of the connecting cylinder partition 3-3, passes through the opening of the connecting cylinder partition 3-3, enters the interior of the connecting cylinder 3, and then enters the connecting piece 5 through the end cover water channel hole 4-2 on the nutrient solution bag end cover 4-1, and then enters the connecting piece 5 through the connecting piece water channel hole 5-1 opened on the connecting piece 5 to enter the water channel check valve 6-4 of the silicone valve 6, and then enters the lower end surface of the spline sleeve 8 through the arc-shaped water channel hole 7-2 on the rotary valve core 7, and then passes through the spline shaft 11 that passes through the upper and lower parts to the suction nozzle 13; when drinking water is stopped, the water channel check valve 6-4 is closed.

[0057] See Figure 2 , the dotted lines with arrows in the figure are the air flow, water outlet and liquid outlet routes; when drinking water and nutrient solution are needed at the same time, the rotating handle 11-3 is turned away from the word "water" above the protective cover 12-3, and the limiting ridge 11-2 is rotated to the second limiting point 12-6 of the limiting arc groove 12-5 ( Figure 6 At this time, the valve core liquid path hole 7-3 of the rotary valve core 7 corresponds to the position of the liquid path check valve 6-3. When drinking water, due to the negative pressure formed between the upper end of the rotary valve core 7 and the lower end of the spline sleeve 8, the liquid in the nutrient solution bag 4 passes through the end cover liquid path hole 4-3 in the nutrient solution bag end cover 4-1 to the protruding nozzle 5-5, and then enters the liquid path hole 5-2 of the connector into the liquid path check valve 6-3, and then overflows from the valve core liquid path hole 7-3 of the rotary valve core 7, mixes with the water, and is drunk together.

[0058] Compared with the prior art, the beneficial effects of the present invention are:

[0059] By using the settings of the liquid circuit check valve, liquid circuit closing part and water circuit check valve on the silicone valve, it is possible to drink water alone or nutrient solution at the same time, which is convenient for drinking and meets the need for energy replenishment;

[0060] The setting of the “water” indicating arrow line makes it easier to distinguish the rotation direction of the spline shaft;

[0061] The setting of the filter element can filter drinking water and improve water quality;

[0062] The arrangement of the internal thread and the external thread enables the whole to be matched and combined with an existing kettle and a lid.

[0063] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A filter straw for a kettle, characterized by: It comprises a filter element housing (1), a filter element (2), a connecting tube (3) and a connecting piece (5); the filter element housing (1) is a cylindrical structure that is connected from top to bottom, and a plurality of semicircular grooves are provided at its lower end; a filter element (2) is installed in the filter element housing (1), the connecting tube (3) is installed at the top of the filter element housing (1), and a plurality of openings that are connected to the filter element housing (1) are provided in a connecting tube partition (3-3) at the bottom of the connecting tube (3); the top of the connecting tube (3) is installed at the lower end of the bottle cap (12) by means of the connecting piece (5); the inner wall of the connecting tube (3) is integrally formed with a plurality of reinforcing ribs (3-1) at equal angles, and the inner wall of the connecting tube (3) is integrally formed with a plurality of No. 2 protrusions (3-2) at the upper end of the reinforcing ribs (3-1); it further comprises: A nutrient solution bag (4) is provided with a nutrient solution bag end cap (4-1) mounted on the top of the nutrient solution bag (4); an end cap liquid passage hole (4-3) is integrally formed in the middle of the nutrient solution bag end cap (4-1); end cap water passage holes (4-2) are provided on the nutrient solution bag end cap (4-1) at positions on both sides of the end cap liquid passage hole (4-3); the nutrient solution bag end cap (4-1) is clamped between the bottom of the second protrusion (3-2) and the top of the reinforcing rib (3-1); the connecting A connector partition (5-4) is integrally formed in the connector (5), and a connector waterway hole (5-1) and a connector liquidway hole (5-2) are provided in the connector partition (5-4), wherein the connector liquidway hole (5-2) is connected to a protruding nozzle (5-5) integrally formed at the lower middle portion of the connector partition (5-4), and the protruding nozzle (5-5) is plugged into the end cover liquidway hole (4-3); the connector waterway hole (5-1) is connected to the end cover waterway hole (4-2); A silicone valve (6) is mounted on a connector partition (5-4), a positioning groove (6-5) is provided on a side wall of the silicone valve (6), and the positioning groove (6-5) is engaged with a positioning protrusion (5-3) integrally formed on the inner wall of the connector (5); a waterway check valve (6-4) and a liquidway check valve (6-3) are provided in the silicone valve (6), a sealing ridge (6-1) is integrally formed on the upper portion of the silicone valve (6), and the sealing ridge (6-1) located around the liquidway check valve (6-3) and on one side constitutes a liquidway closing portion (6-2); the waterway check valve (6-4) is connected to the connector waterway hole (5-1); and the liquidway check valve (6-3) is connected to the connector liquidway hole (5-2); A rotary valve core (7), the rotary valve core (7) being mounted above the silicone valve (6) and being movably contacted with the sealing convex edge (6-1); a transmission claw (7-1) being integrally formed upwardly on the peripheral wall of the rotary valve core (7); a valve core liquid path hole (7-3) and an arc-shaped water path hole (7-2) being provided in the rotary valve core (7); the valve core liquid path hole (7-3) being movably corresponding to the liquid path check valve (6-3) and the liquid path closing portion (6-2), respectively; the arc-shaped water path hole (7-2) being corresponding to the water path check valve (6-4); a positioning arc groove (7-4) being provided at the bottom of the rotary valve core (7); a protrusion 5-3 being movably provided in the positioning arc groove (7-4), and the protrusion 5-3 being movably contacted with the inner walls at both ends of the positioning arc groove (7-4); A spline sleeve (8) is provided on the upper portion of the rotary valve core (7) and is engaged with the transmission claw (7-1) by utilizing a transmission claw groove (8-1) provided at the bottom; the lower outer wall of the spline sleeve (8) is sealed against the upper inner wall of the connecting member (5); the upper inner wall of the spline sleeve (8) is a conical structure, and a plurality of spline grooves are provided on the conical structure; An air intake sleeve (9), the air intake sleeve (9) being sleeved on the spline sleeve (8), and the outer wall of the air intake sleeve being sealed against the inner wall of the bottle cap (12); an annular groove (9-1) being provided on the annular wall of the air intake sleeve (9), a plurality of air intake sleeve air intake holes (9-2) being interlinked with the annular groove (9-1) being provided on the top wall, and the air intake sleeve air intake holes (9-2) being interlinked with the bottle cap air intake holes (12-7) provided on the annular wall of the bottle cap (12); The spline shaft (11) is a hollow structure that is passed through from top to bottom and is inserted into the bottle cap (12). The lower end of the spline shaft (11) is connected to the spline groove by using the spline on the outer wall of the spline shaft (11). The outer wall of the spline shaft (11) is integrally formed with a spline shaft sleeve cover (11-4). The spline shaft (11) is sleeved with a spring (10). The lower end of the spring (10) contacts the upper end surface of the spline sleeve (8), and the upper end contacts the bottom wall of the spline shaft sleeve cover (11-4). The spline shaft sleeve cover (11-4) is integrally formed with a suction nozzle (13). The spline shaft sleeve cover (11-4) A spline shaft air inlet hole (11-1) is provided on the upper portion; the spline shaft sleeve cover (11-4) passes through an opening in a bottle cap partition (12-4) provided in the bottle cap (12); a limiting arc groove (12-5) is provided on the ring wall of the opening; both ends of the limiting arc groove (12-5) are limiting points (12-6); a limiting convex strip (11-2) is integrally formed on the outer wall of the spline shaft sleeve cover (11-4); the limiting convex strip (11-2) is movably provided in the limiting arc groove (12-5) and movably contacts the limiting points (12-6) at both ends.

2. The filter straw for a kettle according to claim 1, characterized in that: A rotating handle (11-3) is integrally formed on the top wall of the spline shaft sleeve cover (11-4).

3. The filter straw for a kettle according to claim 2, characterized in that: A protective cover (12-3) is provided on the outside of the bottle cap (12), and the protective cover (12-3) and the bottle cap partition (12-4) are integrally formed.

4. The filter straw for a kettle according to claim 3, characterized in that: An internal thread (12-1) is integrally formed on the inner wall of the upper end of the bottle cap (12), and an external thread (12-2) is integrally formed on the lower end of the bottle cap (12) located inside the protective cover (12-3).

5. The filter straw for a kettle according to claim 4, characterized in that: The top outer wall of the filter element housing (1) is integrally formed with a protrusion (1-1) that cooperates with the lower port of the connecting cylinder (3).

6. The filter straw for a kettle according to claim 5, characterized in that: The outer wall of the lower end of the connecting piece (5) is integrally formed with a number three protrusion (5-6) that cooperates with and contacts the inner wall of the upper end of the connecting tube (3).

7. The filter straw for a kettle according to claim 6, characterized in that: The outer wall of the upper end of the connecting piece (5) is integrally formed with a No. 4 protrusion (5-7) that cooperates with and contacts the inner wall of the lower end of the bottle cap (12).

8. The filter straw for a kettle according to claim 7, characterized in that: A No. 5 sealing ring (18) is sleeved on the lower end of the spline shaft (11), and the outer wall of the No. 5 sealing ring (18) is sealed with the conical surface of the inner wall of the upper end of the spline sleeve (8).

9. The filter straw for a kettle according to claim 8, characterized in that: A No. 9 sealing ring (22) is sleeved on the lower end of the spline shaft sleeve cover (11-4), and the outer wall of the No. 9 sealing ring (22) is sealed against the inner wall of the bottle cap (12) and the bottom wall of the bottle cap partition (12-4).

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