Reversing valve capable of overflowing and draining water, human body flushing device and intelligent closestool
By incorporating a constriction and drain outlet in the reversing valve, the problem of cross-contamination in the toilet reversing valve is solved, ensuring that water flows out through the correct channel and effectively eliminating accumulated water, thus improving user experience and hygiene.
Patent Information
- Application Number
- CN202420922410.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing reversing valves for toilet seat flushing functions are prone to cross-contamination, resulting in a poor user experience and potentially causing water accumulation in the pipes, which can breed bacteria and affect hygiene and health.
Design a reversing valve capable of overflowing and draining water. By setting a constriction and a drain port in the water outlet channel, when the water flow pressure exceeds or falls below a preset value, the water flow is discharged through the drain port or the water outlet channel respectively, utilizing the Venturi effect to prevent cross-contamination and water accumulation.
It effectively avoids water mixing, ensures that water flows out through the correct channels, prevents water accumulation in pipes from breeding bacteria, improves user experience, and maintains hygiene.
Smart Images
Figure CN222351510U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sanitary ware products, in particular to a reversing valve capable of overflowing and draining water, a human body flushing device and an intelligent toilet. Background Art
[0002] The flushing function of existing toilet covers often requires a reversing valve to switch the water path. Water cross-talk may occur during actual use. When water cross-talk occurs, water discharge from the wrong water outlet may affect the user experience, such as water cross-talk from the women's washbasin when using a butt wash. In addition, cross-talk water cannot be discharged in time and will accumulate in the pipe. Long-term storage will easily breed bacteria, which will not only affect the sanitary condition of the toilet, but may also pose a potential threat to the user's health. Utility Model Content
[0003] In order to solve the above problems, the purpose of the utility model is to provide a reversing valve capable of overflowing and draining water, a human body flushing device and an intelligent toilet.
[0004] The utility model adopts the following method to achieve:
[0005] A reversing valve capable of overflowing and draining water comprises a valve body and a valve core, wherein the valve body is provided with a water inlet channel and at least two water outlet channels, wherein the water inlet channel is connected to one of the water outlet channels when the valve core is switched, wherein at least one of the water outlet channels is provided with a constriction, and a drain port connected to the outside is provided in the water outlet channel downstream of the constriction; when the water flow pressure in the water outlet channel provided with the constriction exceeds a preset value, the water flow in the water outlet channel is accelerated when flowing through the constriction, and a negative pressure is generated downstream of the constriction of the water outlet channel, so that air can be sucked into the water outlet channel from the drain port; when the water flow pressure in the water outlet channel provided with the constriction does not exceed the preset value, the water flow in the water outlet channel provided with the constriction can be discharged through the drain port.
[0006] Preferably, the flow cross-sectional dimension of the constricted opening is smaller than the flow cross-sectional dimension of the water outlet channel downstream thereof.
[0007] Preferably, the necking is offset from the axis of the water outlet channel where it is provided, and the drain port is provided on the side wall of the water outlet channel away from the side of the necking.
[0008] Preferably, the flow cross-sectional dimension of the drain port is smaller than the flow cross-sectional dimension of the water outlet channel, and the flow cross-sectional dimension of the drain port is smaller than the flow cross-sectional dimension of the constricted opening.
[0009] Preferably, it also includes a drainage pipe arranged at the drain outlet.
[0010] Preferably, the valve core includes a first valve plate and a second valve plate which are installed in the inner cavity of the valve body for relative rotation. The first valve plate is provided with a water inlet connected to the water inlet channel, and the second valve plate is provided with water outlets which correspond one by one to each of the water outlet channels, and the water inlet can be switched and connected with each of the water outlets.
[0011] Preferably, a descaling module is connected to the water outlet end of the water outlet channel provided with the constriction and the drain port.
[0012] Preferably, the water outlet channel includes a hip wash water outlet channel connected to the hip wash channel, and a feminine wash water outlet channel connected to the feminine wash channel.
[0013] A human body washing device comprises a spray rod, provided with a reversing valve capable of overflowing and draining water as described in any one of the above items, and at least one water outlet channel is used to supply water to the spray rod.
[0014] An intelligent toilet is provided with the human body flushing device as described above.
[0015] The beneficial effects of the present invention are as follows: the present invention provides a reversing valve capable of overflowing and draining water. Compared with the prior art, the present invention has at least the following technical effects: 1. By providing a constriction in the water outlet channel and opening a drain port on the side wall downstream of the constriction in the water outlet channel, during normal water discharge, the water flow pressure in the water outlet channel is greater than a preset value, the constriction increases the flow rate, and the negative pressure generated by the constriction below sucks air from the drain port. The water flow will not be discharged from the drain port. When water cross-flow occurs, since only a small part of the water from other water flow channels crosses into the water outlet channel, the water flow pressure in the water outlet channel will be reduced to less than the preset value, the water flow will not be accelerated through the constriction and negative pressure cannot be generated downstream thereof. The water flow will be discharged along the drain port and will not be discharged from the wrong water outlet channel; and when not in use, the water in the pipe at the end of the water outlet channel in the reversing valve can also be discharged through the drain port to ensure that no dead water will remain in the pipe to breed bacteria, thereby improving user experience. 2. The pipe section of the water outlet channel at the rear side of the shrinkage is enlarged by setting the shrinkage. If the water pressure reaches the preset value, the water flow is accelerated through the shrinkage. Due to the increase in the pipe section downstream, the negative pressure generated by the Venturi effect will inhale air from the drain port. Otherwise, the water cannot be accelerated and the Venturi cannot be generated, and the water discharged from the water overflows from the drain port. 3. The drain port is set at the end of the water outlet channel away from the shrinkage. Under normal water pressure (reaching the preset value), possible water splashing can be effectively avoided. 4. A drainage pipe is set at the drain port to divert the overflow water to ceramics and other places that do not affect the product function, so as to avoid water splashing affecting the reversing valve or spray rod function.
[0016] A human body flushing device is provided. Compared with the prior art, the utility model has at least the following technical effects: by adopting a reversing valve capable of overflowing and draining water, it can be prevented that water flows out from a wrong water outlet when water is mixed, and when it stops being used, the accumulated water can be discharged from the drain port.
[0017] Provided is a smart toilet. Compared with the prior art, the utility model has at least the following technical effects: Compared with the prior art, the utility model has at least the following technical effects: by adopting a reversing valve capable of overflowing and draining water, it can be prevented that water flows out from a wrong water outlet channel when water cross-flow occurs, and when the toilet stops being used, the accumulated water can be discharged from the drain port. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The utility model is a cross-sectional structural schematic diagram of a reversing valve capable of overflowing and draining water.
[0019] Figure 2 It is a structural schematic diagram of a first-angle view of a reversing valve capable of overflowing and draining water according to the utility model.
[0020] Figure 3 It is a structural schematic diagram of a second viewing angle of a reversing valve capable of overflowing and draining water according to the utility model.
[0021] Figure 4 It is a schematic diagram of the state of the reversing valve of the utility model when supplying water normally.
[0022] Figure 5 hour Figure 4 A local enlarged schematic diagram of point A in the middle.
[0023] Figure 6 It is a schematic diagram of the state of the reversing valve of the utility model when water leakage occurs.
[0024] Figure 7 yes Figure 6 A local enlarged schematic diagram of point B in the middle.
[0025] Figure 8 It is a structural schematic diagram of the human body flushing device of the utility model from the first perspective.
[0026] Fig. 9 It is a second viewing angle structural schematic diagram of the human body flushing device of the utility model.
[0027] Fig.10 The utility model is a schematic diagram of the cross-sectional structure in which a drainage pipe is arranged at a drain outlet.
[0028] Fig.11 The utility model is a three-dimensional structural schematic diagram of a drainage pipe arranged at a drain outlet.
[0029] Explanation of the accompanying drawings: 1. Valve body; 2. Valve core; 21. First valve plate; 22. Second valve plate; 23. Water inlet; 24. Water outlet; 3. Water inlet channel; 4. Water outlet channel; 41. Narrowing; 42. Drainage port; 5. Descaling module; 6. Spray rod; 7. Drainage pipe. DETAILED DESCRIPTION
[0030] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0031] See also Figures 1 to 11 , a reversing valve capable of overflowing and draining water, comprising a valve body 1 and a valve core 2, wherein the valve body 1 is provided with a water inlet channel 3 and at least two water outlet channels 4, wherein the water inlet channel 3 is communicated with one of the water outlet channels 4 when the valve core 2 is switched, wherein at least one of the water outlet channels 4 is provided with a constriction 41, and a drain port 42 communicating with the outside is provided in the water outlet channel 4 downstream of the constriction 41; when the water flow pressure in the water outlet channel 4 provided with the constriction 41 exceeds a preset value, the water flow in the water outlet channel 4 is accelerated when flowing through the constriction 41, and a negative pressure is generated downstream of the constriction 41 of the water outlet channel 4, so that air can be sucked into the water outlet channel 4 from the drain port 42; when the water flow pressure in the water outlet channel 4 provided with the constriction 41 does not exceed the preset value (i.e., when the reversing valve is stopped in use and water cross-talk occurs), the water flow in the water outlet channel 4 provided with the constriction 41 can be discharged through the drain port 42. By providing a constriction 41 in the water outlet channel 4 and opening a drain port 42 on the side wall downstream of the constriction 41 in the water outlet channel 4, during normal water discharge, the water flow pressure in the water outlet channel 4 is greater than a preset value, the constriction 41 increases the flow rate, and the constriction 41 generates negative pressure below, so that air is sucked from the drain port 42 and the water flow will not be discharged from the drain port 42. When water cross-talk occurs, since only a small part of water from other water flow channels crosses into the water outlet channel, the water flow pressure in the water outlet channel 4 will be reduced to less than the preset value, the water flow will not be accelerated through the constriction 41, and negative pressure cannot be generated downstream thereof, and the water flow will be discharged along the drain port 42 and will not be discharged from the wrong water outlet channel 4; and when not in use, the water in the pipe at the end of the water outlet channel 4 in the reversing valve can also be discharged through the drain port 42 to ensure that no dead water will remain in the pipe to breed bacteria, thereby improving the user experience.
[0032] See also Figures 1 to 7 , Fig.10 Preferably, the flow cross-sectional size at the constriction 41 is smaller than the flow cross-sectional size of the water outlet channel 4 downstream thereof. If the water pressure reaches a preset value, the water flow is accelerated through the constriction 41. Due to the increase in the pipe cross-section downstream thereof, negative pressure is generated due to the Venturi effect, and air will be sucked in from the drain port 42. Otherwise, the water flow cannot be accelerated and the Venturi effect cannot be generated, and the water discharged from the water overflows from the drain port 42.
[0033] See also Figures 1 to 7 , Fig.10 Preferably, the constriction 41 deviates from the axis of the water outlet channel 4 where it is set, and the drain port 42 is set on the side wall of the water outlet channel 4 away from the constriction 41. The flow cross-sectional size of the drain port 42 is smaller than the flow cross-sectional size of the water outlet channel 4, and the flow cross-sectional size of the drain port 42 is smaller than the flow cross-sectional size of the constriction 41. Setting the drain port 42 at the end of the water outlet channel 4 away from the constriction 41 can effectively avoid possible water splashing under normal water pressure (reaching the preset value), and can play a modified suction effect. And the hole for negative pressure suction can also blow back the water mist.
[0034] See also Fig.10 , Fig.11 Preferably, an embodiment further includes a drainage pipe 7 disposed at the drain port 42. The drainage pipe 7 additionally disposed at the drain port 42 can divert the overflowing water to a place such as ceramics that does not affect the function of the product, thereby preventing the water splashing from affecting the function of the reversing valve or the spray rod.
[0035] See also Figures 8 to 9 Preferably, the water outlet of the water outlet channel 4 provided with the constriction 41 and the drain port 42 is connected with a descaling module 5. The subsequent waterway can be descaled while preventing water from being retained in the descaling module 5.
[0036] See also Figures 1 to 7 Preferably, the valve core 2 comprises a first valve disc 21 and a second valve disc 22 which are relatively rotatably mounted in the inner cavity of the valve body 1, the first valve disc 21 is provided with a water inlet 23 which is connected to the water inlet channel 3, the second valve disc 22 is provided with water outlets 24 which respectively correspond to the water outlet channels 4, and the water inlet 23 can be switched to be connected to the water outlets 24. The first valve disc 21 can rotate relative to the second valve disc 22 to select the water inlet 23 to be connected to different water outlets 24, so that the water outlet of different water outlet channels 4 can be controlled.
[0037] See also Figures 1 to 9 Preferably, the water outlet channel 4 includes a hip wash water outlet channel connected to the hip wash channel, and a feminine wash water outlet channel connected to the feminine wash channel. A constriction 41 and a drain port 42 can be set in any water outlet channel according to actual needs to prevent unnecessary water outlet channel 4 from discharging water, and to drain the remaining accumulated water in the water outlet channel 4 when not in use to prevent bacterial growth.
[0038] See also Figures 1 to 11A human body washing device comprises a spray rod, provided with a reversing valve capable of overflowing and draining water as described in any one of the above items, and at least one of the water outlet channels is used to supply water to the spray rod. By providing a constriction 41 on the water outlet channel 4 of the reversing valve of the human body washing device, and opening a drain port 42 on the side wall downstream of the constriction 41 in the water outlet channel 4, when water is discharged normally, the water flow pressure in the water outlet channel 4 is greater than a preset value, the constriction 41 increases the flow rate, and the constriction 41 generates negative pressure below, so that air is sucked from the drain port 42 and the water flow will not be discharged from the drain port 42. When water cross-talk occurs, since only a small part of the water from other water flow channels crosses into the water outlet channel, the water flow pressure in the water outlet channel 4 will be reduced to less than the preset value, the water flow will not be accelerated through the constriction 41, and negative pressure cannot be generated downstream thereof. The water flow will be discharged along the drain port 42 and will not be discharged from the wrong water outlet channel 4, thereby ensuring that water is discharged only from the currently used spray rod outlet, which can improve user experience; and when not in use, the water in the pipe at the end of the water outlet channel 4 in the reversing valve can also be discharged through the drain port 42 to ensure that no dead water will remain in the pipe to breed bacteria.
[0039] See also Figures 1 to 11 , an intelligent toilet is provided with the human body flushing device as described above. By providing a constriction 41 on the water outlet channel 4 of the reversing valve capable of discharging water in the human body flushing device, and opening a drain port 42 on the side wall downstream of the constriction 41 in the water outlet channel 4, when water is discharged normally, the water flow pressure in the water outlet channel 4 is greater than a preset value, the constriction 41 increases the flow rate, and the negative pressure generated below the constriction 41 sucks air from the drain port 42, and the water flow will not be discharged from the drain port 42. When water cross-talk occurs, since only a small part of the water from other water flow channels crosses into the water outlet channel, the water flow pressure in the water outlet channel 4 will naturally decrease to less than the preset value, the water flow will not be accelerated through the constriction 41, and the negative pressure cannot be generated downstream thereof, and the water flow will be discharged along the drain port 42, and will not be discharged from the wrong water outlet channel 4, thereby ensuring that only the currently used spray rod outlet is used for water discharge, which can improve user experience; and when not in use, the water in the pipe at the end of the water outlet channel 4 in the reversing valve can also be discharged through the drain port 42, to ensure that no dead water will remain in the pipe to breed bacteria.
[0040] The utility model has the following working principle:
[0041] When the functional port is in normal use, since the flow rate of the functional port (water outlet channel 4) is relatively large during normal use, the flow rate increases when passing through the constriction 41, and negative pressure is formed at the drain port 42. At this time, under the action of the negative pressure, the drain port 42 sucks air inward, and the water flow does not leak, thereby ensuring the normal use of the functional port;
[0042] When the functional ports are connected (i.e. one water inlet 23 is connected to two water outlets 24), at this time, due to the small water flow rate of each water outlet channel 4, the water flow cannot be accelerated through the constriction 41 to form a negative pressure at the position of the water discharge port 42, and the water will be discharged at the water discharge port 42. The water flow of the connected water will not flow to the next module, thereby ensuring that the hip washing function will not discharge water together or other water discharge due to the connection water will not occur without water discharge, thereby ensuring normal function and user experience;
[0043] When stopped, if there is no drain port 42 in the water outlet channel 4, water in the water outlet channel 4 often accumulates in the water outlet channel 4 due to the lack of a drain position, which is easy to breed bacteria; when the drain port 42 is set, the water can flow out from the drain port 42 when the whole machine stops using.
[0044] Several points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.
[0045] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the usual design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.
[0046] Finally, the above is only a preferred implementation of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions under the concept of the present utility model belong to the protection scope of the present utility model.
[0047] It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications without departing from the principle of the utility model should also be regarded as within the protection scope of the utility model.
Claims
1. A reversing valve capable of overflowing and draining water, comprising a valve body and a valve core, wherein the valve body is provided with a water inlet channel and at least two water outlet channels, wherein the water inlet channel is connected to one of the water outlet channels when the valve core is switched, and wherein: At least one of the water outlet channels is provided with a constriction, and a drain port connected to the outside is provided in the water outlet channel downstream of the constriction; when the water flow pressure in the water outlet channel provided with the constriction exceeds a preset value, the water flow in the water outlet channel is accelerated when flowing through the constriction, and negative pressure is generated downstream of the constriction of the water outlet channel, so that air can be sucked into the water outlet channel from the drain port; when the water flow pressure in the water outlet channel provided with the constriction does not exceed the preset value, the water flow in the water outlet channel provided with the constriction can be discharged through the drain port.
2. A reversing valve capable of overflowing and draining water according to claim 1, characterized in that: The flow cross-sectional dimension of the constricted opening is smaller than the flow cross-sectional dimension of the water outlet channel downstream thereof.
3. A reversing valve capable of overflowing and draining water according to claim 1, characterized in that: The necking is deviated from the axis of the water outlet channel where it is set, and the drain port is set on the side wall of the water outlet channel away from the necking.
4. A reversing valve capable of overflowing and draining water according to claim 1, characterized in that: The flow cross-sectional dimension of the water drain port is smaller than the flow cross-sectional dimension of the water outlet channel, and the flow cross-sectional dimension of the water drain port is smaller than the flow cross-sectional dimension of the constricted opening.
5. A reversing valve capable of overflowing and draining water according to claim 1, characterized in that: It also includes a drainage pipe arranged at the drain port.
6. A reversing valve capable of overflowing and draining water according to claim 1, characterized in that: The valve core includes a first valve plate and a second valve plate which are mounted in the inner cavity of the valve body in a relatively rotatable manner. The first valve plate is provided with a water inlet connected to the water inlet channel, and the second valve plate is provided with water outlets which correspond one by one to each of the water outlet channels. The water inlet can be switched and connected to each of the water outlets.
7. A reversing valve capable of overflowing and draining water according to claim 1, characterized in that: The water outlet end of the water outlet channel provided with the constriction and the drain port is connected with a descaling module.
8. A reversing valve capable of overflowing and draining water according to claim 1, characterized in that: The water outlet channel includes a buttocks wash water outlet channel connected to the buttocks wash channel, and a feminine wash water outlet channel connected to the feminine wash channel.
9. A human body washing device, comprising a spray bar, characterized in that : A reversing valve capable of overflowing and draining water is provided as described in any one of claims 1 to 8, and at least one of the water outlet channels is used to supply water to the spray rod.
10. A smart toilet, characterized in that: A human body washing device as claimed in claim 9 is provided.