Siphon toilet with its jet control unit and tank mechanism

Abstract

This invention belongs to the field of sanitary ware technology, specifically referring to a siphon-type toilet and its jet control unit and water tank mechanism. The siphon-type toilet includes a toilet body with a flushing channel and a siphon channel, and a water tank mechanism. The water tank mechanism includes a tank body, a water inlet unit, a water outlet control unit, and a jet control unit, which provides water supply to the flushing channel and the siphon channel. The jet control unit includes a housing and a control valve core. The control valve core can control the liquid output of the jet control unit to provide siphon activation water to the siphon channel. Furthermore, it can temporarily store a portion of water in the inner cavity, providing water seal water to the toilet body through the siphon channel before the flushing ends, thereby saving some of the previously wasted siphon activation water and improving water resource utilization. Compared to traditional water tanks, this embodiment can achieve the same cleaning effect with less water.

Description

Technical Field

[0001] This invention belongs to the field of sanitary ware technology, specifically referring to a siphon-type toilet and its jet control unit and water tank mechanism. Background Technology

[0002] A siphon toilet typically includes a water tank and a toilet body with a flushing channel and a siphon channel. The water tank has two water paths at the outlet. The main water path connects to the flushing channel to provide flushing water for the toilet body, and the auxiliary water path connects to the siphon channel to provide siphon activation water for the siphon channel.

[0003] When the water tank is filled, water usually flows out from both water lines at the same time. However, the flushing time of a toilet is about 5 seconds, while the water for siphon activation usually needs to be in place within 1 second before flushing, so that the siphon channel can generate siphon force in advance. Once the siphon channel generates siphon force, it is not very meaningful for the auxiliary water line to provide water for siphon activation. Therefore, a large part of the water used for siphon activation in existing siphon toilets is wasted.

[0004] Furthermore, traditional water tanks are typically integrated into the rear of the toilet bowl, with a height generally less than 1 meter and a capacity of 6-10 liters. To meet energy conservation and emission reduction requirements, current water tank capacities generally do not exceed 6 liters. If installed at the same height as before, insufficient flushing pressure can easily occur, resulting in the toilet not being properly flushed. Increasing the installation height would increase the product's size, raising packaging and transportation costs.

[0005] On another front, prefabricated bathrooms are gaining increasing attention, offering an integrated solution for bathroom layout and construction. They boast advantages such as low cost, convenient construction, safety and environmental friendliness, durability, and aesthetic appeal. However, this also places higher demands on the toilets used in prefabricated bathrooms. They must not only be easy to clean and eliminate hard-to-reach areas, but also be miniaturized to reduce space utilization. This has led to the concept of separate cisterns for toilets. Since prefabricated bathrooms typically have pre-existing gaps between them and the building walls, this provides highly favorable installation conditions for separate cisterns. Summary of the Invention

[0006] The purpose of this invention is to provide a water-saving siphon toilet with a simple structure, small footprint, good flushing effect, and low cost, as well as its jet control unit and water tank mechanism.

[0007] The objective of this invention is achieved as follows:

[0008] A jet control unit for a water tank mechanism, used to connect to the water outlet of the water tank and to control the amount of water entering the siphon channel of the toilet, includes:

[0009] The housing includes a jet inlet section communicating with the water outlet, a jet outlet section communicating with the siphon channel, and a jet control section disposed between the jet inlet section and the jet outlet section; and

[0010] A control valve core is used to control the liquid output of the jet control section;

[0011] The control valve core has a hollow control cavity.

[0012] The top of the control valve core has at least one through hole that communicates with the control cavity.

[0013] The bottom of the control valve core is used to block the jet control section, and at least one lower through hole is provided to connect the control cavity and the jet outlet section.

[0014] When liquid enters the jet inlet section, it causes the control valve core to generate buoyancy away from the jet control section, thereby controlling the liquid outlet section of the jet and using it as the start-up water for the siphon channel.

[0015] When the control valve core blocks the jet control section, the remaining liquid that previously entered the control cavity will flow out from the lower through hole to the jet outlet section and be used as water seal water for the siphon channel.

[0016] The present invention further includes a plurality of guide protrusions circumferentially arranged on the side wall of the control valve core, which are adapted to the inner wall of the jet inlet section, and an overflow gap is provided between the control valve core and the inner wall of the jet inlet section.

[0017] The present invention further includes a control valve core whose material density is greater than that of water.

[0018] The present invention further includes a control valve core comprising an upper valve core having the upper through hole and a lower valve core having the lower through hole, wherein the upper valve core and the lower valve core form the control cavity.

[0019] The present invention further includes a jet control section having an annular wall portion that is larger at the top and smaller at the bottom, the bottom of the control valve core being formed in an arc-shaped sealing portion that is adapted to the annular wall portion, and the position of the jet control section being higher than the water cover of the siphon channel.

[0020] A siphon-type toilet tank mechanism for supplying water to a toilet having a flushing channel and a siphon channel, comprising:

[0021] The casing has a water storage section for storing water, a water outlet section for connecting the toilet, and a water outlet control section disposed between the water storage section and the water outlet section. The water outlet section has a first water outlet interface and a second water outlet interface for connecting the flushing channel.

[0022] The water inlet unit, installed inside the water storage section, has an inlet valve for connecting to a tap water pipe;

[0023] The water outlet control unit includes a water outlet valve core for sealing / opening the water outlet control unit and a switching unit for driving the water outlet valve core; and

[0024] The jet control unit is the jet control unit for the aforementioned water tank mechanism;

[0025] The jet inlet section is connected to the second outlet.

[0026] The present invention is further provided with,

[0027] The water storage section has at least one section of water storage pipe with a diameter D1 ranging from 40 to 200 mm.

[0028] The jet inlet section has at least one jet tube with a diameter D2 ranging from 40 to 110 mm.

[0029] The present invention further comprises that the water outlet control unit and the water outlet unit are integrally formed and fixedly connected to the water storage unit 111.

[0030] Or / and, the jet outlet section and the jet control section are integrally formed and fixedly connected to the jet inlet section.

[0031] The present invention further includes an outlet valve core limiting part provided inside the water storage section to restrict the movement of the outlet valve core in the height direction;

[0032] Or / and, the inner wall of the water outlet or the jet inlet section is provided with a control valve core limiting part that restricts the movement of the control valve core in the height direction.

[0033] A siphon-type toilet includes: a toilet body having a flushing channel and a siphon channel, and the aforementioned tank mechanism.

[0034] The outstanding and beneficial technical effects of this invention compared to the prior art are:

[0035] 1. The control valve core of this invention can, on the one hand, control the liquid output of the jet control unit to provide siphon start water to the siphon channel; on the other hand, it can control the temporary storage of a portion of water in the inner cavity to provide water seal water to the toilet body through the siphon channel before the flushing is finished, thereby saving the siphon start water that would otherwise be partially wasted and improving the utilization rate of water resources. Compared with traditional water tanks, this embodiment can achieve the same cleaning effect with less water.

[0036] 2. The water storage section of the present invention is in the shape of a tube column. Compared with the traditional water tank, the cross-sectional area of ​​the water storage section is smaller, which is equivalent to reducing the horizontal installation area and improving the horizontal space utilization rate. At the same time, under the same volume and installation position, the height H1 of the water storage section will be higher, which can provide greater water pressure and water flow speed, and improve the cleaning effect of the toilet.

[0037] 3. The box body of the present invention is mainly composed of plastic pipes and plastic joints, which has the advantages of low cost, convenient manufacturing and quick assembly.

[0038] 4. When excess water in the tank flows into the leak box from the overflow port, the leak alarm unit will sound an alarm to remind the user of the water tank malfunction, which helps to prevent the leak from spreading further and saves water resources.

[0039] 5. The second water outlet of the present invention is located at the bottom of the water outlet section, which facilitates the rapid water output of the second water outlet and provides siphon start-up water to the siphon channel.

[0040] 6. The arc-shaped guide portion of the present invention is used to guide more water into the first water outlet, thereby providing more rinsing water to the rinsing channel. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the installation of the water tank mechanism of the present invention.

[0042] Figure 2 This is a schematic diagram of the water tank mechanism of the present invention.

[0043] Figure 3 yes Figure 2 Sectional view at point AA.

[0044] Figure 4 This is a schematic diagram of the water outlet control unit of the present invention.

[0045] Figure 5 This is a schematic diagram of the structure of the second jet control unit of the present invention.

[0046] Figure 6 yes Figure 2 Sectional view at point BB.

[0047] Figure 7 This is a schematic diagram of the limiting connector of the present invention.

[0048] Figure 8 This is a schematic diagram of the structure of the first overflow connector of the present invention.

[0049] Figure 9 This is a schematic diagram of the structure of the second type of overflow connector of the present invention.

[0050] The meaning of the labels in the diagram:

[0051] Water tank mechanism 1;

[0052] 11. Housing; 111. Water storage section; 1111. Water storage pipe; 1112. Water outlet valve core limiting part; 1113. Limiting connector; 1114. Overflow port; 1115. Overflow connector;

[0053] Water outlet 112; First water outlet 1121; Second water outlet 1122; Arc-shaped guide 1123;

[0054] Water outlet control unit 113;

[0055] Water inlet unit 12; tap water pipe 121; water inlet valve 122;

[0056] Water outlet control unit 13; water outlet valve core 131; spherical part 1311; straightening part 1312; switch assembly 132; pull rope 1321; guide wheel 1322; pulling part 1323;

[0057] Leakage box 141; Leakage alarm unit 142.

[0058] Jet control unit 15; jet inlet section 151; jet pipe 1511; control valve core limiting part 1512; jet outlet section 152; jet connection port 1521; support mounting port 1522; jet control section 153;

[0059] Control valve core 154; control inner cavity 1541; upper through hole 1542; lower through hole 1543; guide protrusion 1544; arc-shaped sealing part 1545; drainage channel 1546; arc-shaped guide wall 155; jet connection joint 156;

[0060] Siphon channel 100; flushing channel 200; water cover 300. Detailed Implementation

[0061] The present invention will be further described below with reference to specific embodiments:

[0062] <Example 1>

[0063] like Figure 1As shown, a siphon-type toilet includes a toilet body and a water tank mechanism 1.

[0064] The toilet body has a flushing channel 200 and a siphon channel 100, with a jet outlet at the front end of the siphon channel 100. The water tank mechanism 1 is separately located at the rear of the toilet body and provides flushing water and siphon activation water to the flushing channel 200 and siphon channel 100 of the toilet body, respectively.

[0065] like Figure 2 As shown, the water tank mechanism 1 includes a tank body 11, a water inlet unit 12, a water outlet control unit 13, and a jet control unit 15.

[0066] The housing 11 has a water storage section 111 for storing water, a water outlet section 112 for connecting the toilet, and a water outlet control section 113 disposed between the water storage section 111 and the water outlet section 112.

[0067] The water storage section 111 has at least one water storage pipe 1111, the diameter D1 of which ranges from 40 to 200 mm. The water storage pipe 1111 can be a plastic pipe or a metal pipe. In this embodiment, it is preferably a PVC plastic pipe. The diameter specifications are generally 50 mm, 63 mm, 75 mm, 90 mm, 110 mm, 125 mm, 140 mm, 160 mm, etc. These diameter specifications are common PVC plastic pipe specifications on the market, which are relatively easy to produce and purchase, have low cost, and are also relatively easy to assemble.

[0068] The water storage section 111 in this embodiment is in the shape of a tube column. Compared with a traditional water tank, the cross-sectional area of ​​the water storage section 111 is smaller, which is equivalent to reducing the horizontal installation area and improving the horizontal space utilization. At the same time, under the same volume and installation position, the height H1 of the water storage section 111 will be higher, and the potential energy of the water will be greater. This can provide greater water pressure and water flow rate, thereby improving the cleaning effect of the toilet.

[0069] As is well known, when the water tank volume (water storage capacity) is constant, the potential energy of water is directly proportional to the height of the water tank, while the height of the water tank is inversely proportional to the cross-sectional area of ​​the water tank. In this embodiment, where the installation height allows, smaller PVC plastic pipes can be prioritized. Compared with traditional water tanks, the cross-sectional area of ​​PVC plastic pipes can be reduced by more than half. In this way, the potential energy of water can be more than doubled, thereby providing greater water pressure and water flow rate, and improving the cleaning effect of the toilet.

[0070] The water outlet control unit 113 and the water outlet unit 112 are integrally formed. The water outlet control unit 113 has an annular sidewall that is larger at the top and smaller at the bottom. The upper end of the annular sidewall is integrally formed with a connecting part that combines with the water storage unit 111, and is connected to the water storage unit 111 by special glue, heat fusion, or threaded connection. The lower end of the annular sidewall is integrally formed with the water outlet unit 112, which has a first water outlet port 1121 and a second water outlet port 1122 that communicate with the rinsing channel.

[0071] Preferably, the first water outlet 1121 is disposed on the side wall of the water outlet section 112, the second water outlet 1122 is disposed at the bottom end of the water outlet section 112, and an arc-shaped guide section 1123 for guiding water to the first water outlet 1121 is disposed inside the water outlet section 112.

[0072] The water consumption of a general flushing channel is greater than that of a siphon channel. However, the siphon channel needs to provide siphon water in advance when discharging sewage. Therefore, the second water outlet 1122 is located at the bottom. When the water outlet control unit 13 is opened, the second water outlet 1122 can supply water to the siphon channel immediately.

[0073] The radial width of the arc-shaped guide portion 1123 is determined by the amount of water that needs to enter the second water outlet 1122. Generally, the radial width of the arc-shaped guide portion 1123 occupies at least half of the inner diameter of the water outlet portion 112, and its extension line is slightly higher than the lowest point of the first water outlet 1121. This is beneficial to allow more water to flow out from the first water outlet 1121 while satisfying the water output of the second water outlet.

[0074] In other words, in this embodiment, the water outlet control unit 113 and the water outlet unit 112 are equivalent to a three-way adapter, which can be a plastic connector or a metal connector.

[0075] In addition, the tank 11 can be installed on the wall of a building or other places using a water pipe bracket to achieve the installation and fixation of the pipe column water tank.

[0076] The water inlet unit 12 is installed inside the water storage section 111 and has an inlet valve 122 for connecting to the tap water pipe 121. The inlet valve 122 is a relatively mature accessory and is mainly purchased externally. When the liquid level in the tank 11 is lower than the specified requirement, the inlet valve 122 opens and the tap water pipe 121 flows out; when the liquid level in the tank 11 meets the specified requirement, the inlet valve 122 closes and the tap water pipe 121 stops flowing out.

[0077] like Figure 1As shown, there are generally two situations where the water inlet valve 122 fails. One is that it cannot open the tap water pipe 121, which will result in no water during the next flush, and the user can discover this on the next use. The other is that it cannot close the tap water pipe 121, which will lead to waste of water resources if not discovered in time.

[0078] In order to detect the above situation of the water inlet valve 122, the upper end of the water storage part 111 is provided with an overflow port 1114. The overflow port 1114 is connected to a leak box 141 with a wastewater outlet. A leak alarm unit 142 is provided in the leak box 141. When the water inlet valve 122 cannot be closed, excess water in the tank 11 will flow into the leak box 141 from the overflow port 1114.

[0079] The water leakage alarm unit 142 is a circuit mainly composed of a small battery, an indicator light or a buzzer, and two conductive ends that extend into the water leakage box 141. It has a relatively low cost. When there is water in the water leakage box 141, the two conductive ends are connected, the circuit is powered on, the indicator light flashes or the buzzer sounds an alarm, thereby reminding the user of the water tank malfunction, which helps to prevent the water leakage accident from spreading further and saves water resources.

[0080] like Figure 3-4 As shown, the water outlet control unit 13 has a water outlet valve core 131 for sealing / opening the water outlet control unit 113 and a switch assembly 132 for driving the water outlet valve core 131 to operate.

[0081] The outlet valve core 131 has a spherical portion 1311 for sealing the annular sidewall and a straightening portion 1312 disposed on the spherical portion 1311. The spherical portion 1311 is hollow and has a notch at the bottom; the straightening portion 1312 has a plurality of straightening plates disposed on the upper end of the spherical portion 1311, the width of which is adapted to the inner wall of the water storage portion 111 and is larger than the outer diameter of the spherical portion 1311, thereby forming a water flow gap between the inner wall of the water storage portion 111 and the spherical portion 1311.

[0082] The straightening part 1312 is used to guide the water outlet valve core 131 to move along the inner wall of the water storage part 111, and at the same time prevents it from swinging up and down. When falling, the water outlet valve core 131 can accurately block the annular side wall.

[0083] The switch assembly 132 includes a connector mounted on the upper end of the outlet valve core 131, at least one guide wheel 1322 mounted on the housing 11 or other building, a pull member 1323 for manual rotation or pulling by the user, and a pull rope 1321 connected to the connector and the pull member 1323. The pull rope 1321 is also mounted on the guide wheel 1322. By rotating or pulling the pull member 1323, the outlet valve core 131 moves upward, thereby releasing water. When the water in the water storage section 111 is empty, the outlet valve core 131 automatically seals the annular sidewall due to gravity. At this time, the inlet valve 122 opens, and the water storage section 111 stores water. Without other external forces, the buoyancy of the outlet valve core 131 is insufficient to make it float. On the contrary, under the action of water pressure and its own weight, it seals more tightly.

[0084] In order to limit the moving height of the water outlet valve core 131, the water storage part 111 is provided with a water outlet valve core limiting part 1112 to limit the moving height of the water outlet valve core 131. The water outlet valve core limiting part 1112 is an annular baffle structure.

[0085] like Figure 1 As shown, the jet control unit 15 is used to connect to the water outlet 112 of the water tank mechanism and to control the amount of water entering the siphon channel 100 of the toilet. It includes a housing and a control valve core 154.

[0086] The housing has a jet inlet section 151 that connects to the second water outlet 1122, a jet outlet section 152 that connects to the siphon channel 100, and a jet control section 153 disposed between the jet inlet section 151 and the jet outlet section 152.

[0087] In this embodiment, the jet inlet section 151, the jet outlet section 152, and the jet control section 153 are all integrally formed. The upper end of the jet inlet section 151 is provided with a connecting section for connecting to the water outlet section 112, and is connected to the second water outlet interface 1122 of the water outlet section 112 via special adhesive, heat fusion, or threaded connection. Alternatively, the jet inlet section 151 and the second water outlet interface 1122 can be directly connected via a pipe fitting.

[0088] The jet control section 153 has an annular wall that is larger at the top and smaller at the bottom. The bottom of the annular wall is connected to the jet outlet section 152. The jet outlet section 152 has a jet connection port 1521 that is connected to the jet port of the siphon channel 100.

[0089] To better support the water tank mechanism 1, the jet outlet section 152 also has a support mounting port 1522 for mounting support components.

[0090] In this embodiment, the jet connection port 1521 is disposed on the side wall of the jet outlet section 152, and the support mounting port 1522 is disposed at the bottom of the jet outlet section 152. An arc-shaped guide wall 155 is disposed between the side wall of the jet outlet section 152 and the jet connection port 1521. The arc-shaped guide wall 155 serves two purposes: firstly, to guide the flow, reduce water flow resistance, and allow the water used for siphon start-up to reach the siphon channel as quickly as possible, while also reducing noise; secondly, to seal the support mounting port 1522.

[0091] A support member is provided on the support member mounting port 1522. The length of the support member is set according to the distance from the shell to the support surface (generally the ground). It is used to support the water tank mechanism 1 and increase the installation stability of the water tank mechanism 1.

[0092] The control valve core 154 is used to control the liquid discharge of the jet control section 153. The control valve core 154 has a hollow control cavity 1541. At least one upper through-hole 1542 communicating with the control cavity 1541 is provided at the top of the control valve core 154 for internal venting; the size of the upper through-hole 1542 affects the venting efficiency. The bottom of the control valve core 154 is used to block the jet control section 153 and has at least one lower through-hole 1543 communicating with the control cavity 1541 and the jet discharge section 152 for liquid intake into the control cavity 1541.

[0093] Specifically, the control valve core 154 includes an upper valve core with an upper through hole 1542 and a lower valve core with a lower through hole 1543. The upper end of the upper valve core is arc-shaped to guide the flow, allowing water to flow out more quickly through the jet inlet section 151. The control cavity 1541 is formed between the upper and lower valve cores. The upper and lower valve cores are fixed together by snap-fit, glue connection, threaded connection, heat fusion connection, or welding, and are in the shape of a pill.

[0094] The bottom of the control valve core 154 is formed in an arc-shaped sealing portion 1545 that is adapted to the annular wall portion, and is used to control the liquid outlet area of ​​the jet control section 153. A drainage channel 1546 is provided between the annular wall portion and the arc-shaped sealing portion 1545. The drainage channel 1546 is at least one drainage hole provided in the arc-shaped sealing portion 1545 or a liquid outlet groove provided in the jet control section 153. When the control valve core 154 is blocked on the arc-shaped sealing portion 1545, water in the housing can continue to be discharged through the drainage channel 1546 to prevent water from accumulating at the bottom of the housing and to avoid bacterial growth due to prolonged disuse.

[0095] When water flows into the jet inlet section 151 of the housing, the control valve core 154 needs to use the buoyancy generated by the control cavity 1541 to move upward, opening the jet control section 153, thereby quickly providing water for siphon start-up. Therefore, the upper through hole 1542 and the lower through hole 1543 should not be too large, otherwise it will affect the upward floating speed of the control valve core 154. At the same time, when the siphon start-up water usage ends (after 1-2 seconds), the control valve core 154 needs to quickly sink and block the jet control section 153, rapidly reducing the liquid output of the jet control section 153 and preventing water waste. Therefore, the control valve core 154 must be made of a material with a density greater than water, or a counterweight must be installed. In this way, when a certain amount of water enters the control cavity 1541, its gravity will be greater than the buoyancy, enabling it to sink quickly.

[0096] like Figure 6 As shown, the side wall of the control valve core 154 is provided with a plurality of guide protrusions 1544 that are adapted to the inner wall of the jet inlet section 151. The guide protrusions 1544 are used to guide the control valve core 154 up and down and to provide an overflow gap between the control valve core 154 and the inner wall of the jet inlet section 151.

[0097] This embodiment further includes a control valve core limiting part 1512 on the inner wall of the water outlet section 112 or the jet inlet section 151, which restricts the movement of the control valve core 154 in the height direction. Preferably, the valve core limiting part 1512 is located on the inner wall of the water outlet section 112.

[0098] Specifically, the valve core limiting part 1512 is an arc-shaped stop. The valve core limiting part 1512 is distributed on the side away from the arc-shaped guide part 1123 and is flush with the arc at the bottom of the first water outlet 1121. This facilitates the production of the three-way conversion connector and also allows for the diversion of water to the first water outlet 1121.

[0099] Explanation of the principle:

[0100] When the water outlet control unit 13 is turned on, most of the water will enter the flushing channel through the first water outlet 1121 under the guidance of the arc-shaped guide 1123, and the other part of the water will enter the jet inlet section 151 through the second water outlet 1122.

[0101] Because the control valve core 154 is hollow, when water flows in, it instantly fills the entire jet cavity of the housing (the jet cavity is full of water until the water in the tank 11 is completely drained). Since the control valve core 154 is hollow, the resulting buoyancy is greater than gravity, causing the control valve core 154 to float upwards and control the liquid discharge section 152 to discharge liquid, thereby quickly providing siphon start-up water to the siphon channel 100. Simultaneously, water enters the control cavity 1541 through the lower through-hole 1543, and internal air is discharged through the upper through-hole 1542 until the control cavity 1541 is filled with water.

[0102] As air is expelled from the control chamber 1541, the buoyancy of the control valve core 154 decreases. When its weight exceeds its buoyancy, it quickly moves downward and re-blocks the jet control section 153. At this point, the siphon-activated water supply ends. Preferably, the time when the control valve core 154 re-blocks the jet control section 153 should be controlled after the siphon activation.

[0103] At this time, since there is still water in the jet cavity and the control cavity 1541, this water will continue to be slowly discharged through the lower through-hole 1543 and the drain channel 1546 of the control cavity 1541. The amount of water discharged per unit time will be much less than the amount of water discharged during siphon activation, and its duration will be longer than the flushing time. Therefore, after the toilet body has finished flushing, this water will continue to be supplied to the toilet body through the siphon channel 100 and used as water for the water seal, thereby saving the siphon activation water that was originally partially wasted and improving water resource utilization. Compared to traditional water tanks, this embodiment can achieve the same cleaning effect with less water.

[0104] In addition, the siphon channel 100 and the toilet body will have a water cover. In this embodiment, the lowest position of the jet control section 153 is higher than the water cover 300 of the siphon channel 100, and the control valve core 15 is generally higher than or equal to the lowest position of the jet control section 153. Therefore, as long as there is water in the control cavity 1541 or inside the housing, it can flow out to the siphon channel 100 under the action of potential energy and form a water seal.

[0105] When the water level in the main body of the toilet is higher than the water cover, the water will automatically drain out.

[0106] <Example 2>

[0107] This embodiment is basically the same as Embodiment 1, except that:

[0108] like Figure 5As shown, the jet inlet section 151 has at least one jet tube 1511, the diameter D2 of which ranges from 40 to 110 mm. The jet tube 1511 can be a plastic tube or a metal tube. In this embodiment, it is preferably a PVC plastic tube, and the diameter is generally 50 mm, 63 mm, 75 mm, 90 mm, 110 mm, etc.

[0109] The jet outlet section 152 and the jet control section 153 are integrally formed and are connected to the jet pipe 1511 by glue, heat fusion or thread.

[0110] Preferably, the upper end of the jet pipe 1511 is connected to the second water outlet 1122 of the water outlet section 112 via a jet connection connector 156. The inner side of the jet connection connector 156 is provided with the valve core limiting part 1512, which can serve as a limiting point when connecting pipe fittings and can also limit the movement height of the control valve core 154, achieving two purposes at once.

[0111] <Example 3>

[0112] This embodiment is basically the same as Embodiment 1, except that:

[0113] like Figure 7 As shown, the water storage section 111 has at least one section of water storage pipe 1111 and a limiting connector 1113 connecting the water storage pipe 1111. The water outlet valve core limiting part 1112 is disposed inside the limiting connector 1113. One or both ends of the limiting connector 1113 are connected to the water storage pipe 1111 by means of glue connection, heat fusion connection, or threaded connection.

[0114] In addition, when the upper and lower ends of the limiting connector 1113 are large and small heads, the water storage part 111 can be provided with two water storage pipes 1111 of different sizes.

[0115] <Example 4>

[0116] This embodiment is basically the same as Embodiment 1, except that:

[0117] like Figure 8 As shown, the water storage section 111 has at least one section of water storage pipe 1111 and an overflow connector 1115 connected to the water storage pipe 1111, and the overflow port 1114 is provided on the overflow connector 1115.

[0118] The lower end of the overflow connector 1115 is provided with the water storage pipe 1111 by means of glue connection, hot melt connection or threaded connection.

[0119] <Example 5>

[0120] This embodiment is basically the same as Embodiment 3, except that:

[0121] like Figure 9 As shown, the water storage section 111 has at least one section of water storage pipe 1111 and an overflow connector 1115 connected to the water storage pipe 1111. The overflow port 1114 is provided on the overflow connector 1115. The overflow connector 1115 is provided with an outlet valve core limiting part 1112 that restricts the movement of the outlet valve core 131 in the height direction. The outlet valve core limiting part 1112 is an annular baffle structure.

[0122] Preferably, the outlet valve core limiting part 1112 can also provide an installation position for the inlet valve 122.

[0123] The lower end of the overflow connector 1115 is provided with the water storage pipe 1111 by means of glue connection, hot melt connection or threaded connection.

[0124] Example 6

[0125] This embodiment is basically the same as Embodiment 1, except that:

[0126] The water storage section 111, the water outlet control section 113, and the water outlet section 112 are all integrally formed.

[0127] <Example 7>

[0128] This embodiment is basically the same as Embodiment 1, except that:

[0129] The water storage section 111 has at least two water storage pipes 1111 of different specifications and at least one reducer connector. The two different specifications of water storage pipes 1111 are connected through the reducer connector. The larger specification water storage pipe 1111 is located above the smaller specification water storage pipe 1111, so that the box 11 has a structure that is larger at the top and smaller at the bottom.

[0130] The diameter of the water storage pipe 1111 is generally one of the following: 50mm, 63mm, 75mm, 90mm, 110mm, 125mm, 140mm, or 160mm.

[0131] The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A water tank mechanism jet control unit for connecting a water outlet (112) of a water tank mechanism and for controlling the amount of water entering a siphon passage (100) of a toilet bowl, characterized by, The shell has a jet flow liquid inlet section (151) communicating with the water outlet section (112), a jet flow liquid outlet section (152) communicating with the siphon passage (100), and a jet flow control section (153) arranged between the jet flow liquid inlet section (151) and the jet flow liquid outlet section (152); and A control valve core (154) is arranged for controlling liquid outlet of the jet flow control section (153); The control valve core (154) has a hollow control inner cavity (1541), The top of the control valve core (154) is arc-shaped and has at least one upper through hole (1542) communicating with the control inner cavity (1541), The bottom of the control valve core (154) is arranged for plugging the jet flow control section (153) and has at least one lower through hole (1543) communicating with the control inner cavity (1541) and the jet flow liquid outlet section (152), When liquid enters the jet flow liquid inlet section (151), the control valve core (154) generates a buoyancy force away from the jet flow control section (153), thereby controlling liquid outlet of the jet flow liquid outlet section (152) and serving as starting water for the siphon passage (100); When the control valve core (154) plugs the jet flow control section (153), liquid previously entering the control inner cavity (1541) or / and liquid in the shell flows out from the lower through hole (1543) to the jet flow liquid outlet section (152) and serves as water seal water for the siphon passage (100). The side wall of the control valve core (154) is circumferentially provided with a plurality of guide protrusions (1544) matched with the inner wall of the jet flow liquid inlet section (151), and the control valve core (154) and the inner wall of the jet flow liquid inlet section (151) are arranged with a flow gap.

2. A fluidic control unit for a water tank mechanism according to claim 1, characterized by: The material density of the control valve core (154) is greater than the density of water.

3. A fluidic control unit for a water tank mechanism according to claim 1, characterized by: The control valve core (154) includes an upper valve core having the upper through hole (1542) and a lower valve core having the lower through hole (1543), and the control inner cavity (1541) is formed between the upper valve core and the lower valve core.

4. A fluidic control unit for a water tank mechanism according to claim 1 or 2 or 3, characterized in that: The jet flow control section (153) has an annular wall portion with a large upper part and a small lower part, the bottom of the control valve core (154) is formed with an arc-shaped sealing portion (1545) matched with the annular wall portion, and a liquid discharge channel (1546) is arranged between the annular wall portion and the arc-shaped sealing portion (1545); 5. A fluidic control unit for a water tank mechanism according to claim 4, characterized in that: The position of the jet flow control section (153) is higher than the water seal surface of the siphon passage (100). The box body (11) has a water storage section (111) for storing water, a water outlet section (112) for connecting a toilet bowl, and a water outlet control section (113) arranged between the water storage section (111) and the water outlet section (112), and the water outlet section (112) has a first water outlet interface (1121) and a second water outlet interface (1122) for communicating with the flushing passage (200); 6. A siphon type toilet tank mechanism for supplying water to a toilet having a flushing passage (200) and a siphon passage (100), characterized by, The water inlet unit is installed in the water storage section (111) and has a water inlet valve (122) for connecting a water pipe (121). ​ ​ The water outlet control unit has a water outlet valve core (131) for sealing / conducting the water outlet control part (113) and a switch unit (132) for driving the water outlet valve core (131) to work; and The jet control unit (15) is the jet control unit for the water tank mechanism according to any one of claims 1-5; The jet inlet section (151) is communicated with the second water outlet interface (1122).

7. The water tank mechanism for the siphon closet according to claim 6, characterized in that: The water storage part (111) has at least one water storage pipe (1111) with a diameter D1 ranging from 40-200mm; The jet inlet section (151) has at least one jet pipe (1511) with a diameter D2 ranging from 40-110mm.

8. A siphonic toilet tank assembly according to claim 7, wherein: The water outlet control part (113) and the water outlet part (112) are integrally formed and fixedly connected with the water storage part (111), Or / and, the jet outlet section (152) and the jet control section (153) are integrally formed and fixedly connected with the jet inlet section (151).

9. A siphonic toilet tank assembly according to claim 7, wherein: The water storage part (111) is internally provided with a water outlet valve core limiting part (1112) for limiting the movement of the water outlet valve core (131) in the height direction; Or / and, the inner wall of the water outlet part (112) or the jet inlet section (151) is provided with a control valve core limiting part (1512) for limiting the movement of the control valve core (154) in the height direction.

10. A siphonic toilet characterized by comprising: Comprise: The closet body has a flushing channel (200) and a siphon channel (100), and The water tank mechanism (1) is the water tank mechanism for the siphon closet according to any one of claims 6-9.

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