Foam generating device with rotatable foam outlet piece
By designing a rotatable foam generator, which uses a stepper motor and gear structure to drive the foaming component to rotate, the problem of uneven foam spraying is solved, and the cleaning, splash prevention, and odor prevention effects are improved. The structure is simple and easy to install.
Patent Information
- Application Number
- CN202520444969.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing toilet foam generators have fixed or poorly flexible foam outlets, resulting in uneven foam spraying and an uneven foam shield, which affects cleaning and anti-splash/odor control.
A foam generating device with a rotatable foaming component was designed. The foaming component is driven to rotate by a stepper motor, a drive wheel and a driven wheel to achieve uniform foam spraying. The foaming component is divided into a rotating shaft and a foaming head, and the foaming component is divided into an adapter and a foaming head. The structure is simple and easy to assemble.
It improves the uniformity of foam, enhances cleaning and anti-splash/odor-proof effects, and has a simple structure that is easy to install and maintain.
Smart Images

Figure CN223853471U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kitchen and bath technical field especially a foam generating device with rotatable foam outlet. BACKGROUND
[0002] The function of the intelligent toilet is quite complete at present, including warm water cleaning, warm air drying, deodorization, seat heating and the like, and the user experience is very good, but in the actual use process, the water in the water storage bend of the closestool can splash, which brings bad use experience to the user, for this reason, some closestools on the market introduce foam shield function, a layer of foam is formed on the water seal through the foam generating device, not only solving the problem of water splashing in the water storage bend, but also having better deodorization effect, however, the foam generating device of the existing closestool has the problems of fixed foam outlet or poor flexibility, causing uneven foam spraying and uneven foam shield. SUMMARY
[0003] The utility model discloses a foam generating structure with more uniform foam spraying.
[0004] A foam generating device with rotatable foam outlet, comprising a base, a foam outlet, a foaming element and a driving assembly, wherein,
[0005] The base is provided with closely arranged foam outlet mounting position and driving mounting position, and the middle part of the foam outlet mounting position is provided with a clearance hole, and the driving mounting position is closed by a gland.
[0006] The foam outlet is rotatably installed in the clearance hole, and the water inlet end of the foam outlet extends into the foam outlet mounting position.
[0007] The foaming element is installed on the base, and the water outlet end of the foaming element extends into the foam outlet mounting position and is rotatably connected with the water inlet end of the foam outlet, and the internal passage is connected at the same time.
[0008] The driving assembly comprises a stepping motor, a driving wheel and a driven wheel. The driven wheel is arranged on the outer circumferential part of the water inlet end of the foam outlet, the driving wheel is rotatably installed in the driving mounting position of the base and is connected with the driven wheel. The stepping motor is installed on the gland and drives the driving wheel to rotate.
[0009] In use, the foaming liquid and air pass through the foaming element and foam, and the generated foam is sprayed to the closestool pot surface through the water outlet end of the foam outlet, at the same time, the stepping motor drives the driven wheel to rotate through the driving wheel, and then drives the foam outlet to rotate while spraying foam.
[0010] The foaming device provided by the utility model, through setting up the stepping motor, driving wheel and driven wheel to drive the rotating installation of the foam discharging part, the foam discharging part can spray foam to the toilet pot surface while rotating, so that the foam can flow through the toilet pot surface more evenly, which not only improves the cleaning effect, but also improves the uniformity of the foam shield, and further improves the splash-proof effect and deodorization effect of the foam shield.
[0011] Preferably, the outer peripheral part of the stepping motor is sleeved with a rubber sleeve, which can prevent the stepping motor from being damaged by water, so that the stepping motor can be more suitable for the environment of the toilet with more water and moisture.
[0012] Preferably, the driving wheel and the driven wheel are connected through tooth engagement, which has simple structure and small size.
[0013] Preferably, the driving wheel is a gear, the driven wheel comprises driven teeth, the outer sides of the two outermost driven teeth are provided with limiting ribs, and the driving wheel drives the driven wheel to rotate repeatedly between the two limiting ribs, so as to limit the rotation angle of the foam discharging part and the foam spraying area.
[0014] Preferably, in order to reduce the forming difficulty and installation difficulty of the foam discharging part, the foam discharging part is split into a rotating shaft and a foam discharging head, the rotating shaft is a pipe body, the water outlet end of the rotating shaft is inserted into the accommodation hole from the foam discharging installation position and is rotatably installed, the foam discharging head is in L shape, and the water inlet end of the foam discharging head is connected with the water outlet end of the rotating shaft, so as to realize the change of the foam spraying direction of the foam discharging part.
[0015] Preferably, the water inlet end of the foam discharging head is provided with a plug-in interface, the water outlet end of the rotating shaft is inserted into the plug-in interface, and the water outlet end of the rotating shaft and the plug-in interface are fixed through buckling, which has simple structure and is easy to assemble.
[0016] Preferably, the driven wheel is sleeved or integrally formed on the outer peripheral part of the rotating shaft.
[0017] Preferably, in order to reduce the forming difficulty and installation difficulty of the foam discharging part, the foam discharging part is split into a rotating shaft and a foam discharging head, the rotating shaft is a pipe body, the water outlet end of the rotating shaft is inserted into the accommodation hole from the foam discharging installation position and is rotatably installed, the foam discharging head is in L shape, and the water inlet end of the foam discharging head is connected with the water outlet end of the rotating shaft, so as to realize the change of the foam spraying direction of the foam discharging part.
[0018] Preferably, the water outlet end of the foam discharging head is provided with a plug-in interface, the water outlet end of the rotating shaft is inserted into the plug-in interface, and the water outlet end of the rotating shaft and the plug-in interface are fixed through buckling, which has simple structure and is easy to assemble.
[0019] Preferably, the water inlet seat is provided with a mounting groove at the opening of the water channel, and a filter screen is arranged in the mounting groove.
[0020] From the above description of the utility model, the utility model has the following beneficial effects:
[0021] The foam generating device has the advantages that: the stepping motor, the driving wheel and the driven wheel are arranged to drive the rotating installation of the foam outlet part, the foam outlet part can spray foam to the toilet bowl surface while rotating, so that the foam can flow through the toilet bowl surface more uniformly, the cleaning effect is improved, the uniformity of the foam shield is improved, and the splash-proof effect and the deodorization effect of the foam shield are further improved.
[0022] The driving wheel and the driven wheel are connected through tooth engagement, and have the advantages of simple structure, small size, easy molding and easy assembly.
[0023] To reduce the molding difficulty and the assembly difficulty of parts, the foam outlet part is split into a rotating shaft and a foam outlet head, and the foam generating part is split into an adapter and a foam head. BRIEF DESCRIPTION OF DRAWINGS
[0024] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of the utility model and help explain the utility model, and are provided to interpret the utility model, and do not constitute an improper limitation on the utility model.
[0025] Wherein:
[0026] Figure 1 It is a shaft side view of the foam generating device with a rotatable foam outlet part Figure 1 ;
[0027] Figure 2 It is a shaft side view of the foam generating device with a rotatable foam outlet part Figure 2 ;
[0028] Figure 3 It is a shaft side view of the foam generating device with a rotatable foam outlet part Figure 3 ;
[0029] Figure 4 It is an explosion view of the foam generating device with a rotatable foam outlet part
[0030] Figure 5 It is a front view of the foam generating device with a rotatable foam outlet part
[0031] Figure 6 It is a top view of the foam generating device with a rotatable foam outlet part
[0032] Figure 7It is a cross section of a foam generating device with rotatable foam generating part Figure 1 ;
[0033] Figure 8 It is a cross section of a foam generating device with rotatable foam generating part Figure 2 ;
[0034] Figure 9 It is a cross section of a foam generating device with rotatable foam generating part Figure 3 ;
[0035] Figures 1 to 9 The marks in the figure are respectively: base 1, foam generating installation position 11, driving installation position 12, let position hole 13, gland 14, foam generating part 2, rotating shaft 21, foam generating head 22, plug-in interface 221, foaming part 3, adapter 31, water inlet seat 311, installation groove 3111, foaming head 32, accelerating hole 321, air suction hole 322, water outlet seat 323, mounting lug 3231, filter screen 33, driving assembly 4, stepper motor 41, driving wheel 42, driven wheel 43, driven gear 431, limiting rib 432, rubber sleeve 44, buckle 5, screw 6. DETAILED DESCRIPTION
[0036] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0037] Please refer to Figures 1 to 9 A foam generating device with rotatable foam generating part, comprising a base 1, a foam generating part 2, a foaming part 3 and a driving assembly 4, wherein,
[0038] The base 1 is provided with closely arranged foam generating installation position 11 and driving installation position 12, and the middle part of the foam generating installation position 11 is provided with let position hole 13, and the driving installation position 12 is closed by a gland 14.
[0039] The foam generating part 2 is rotatably installed in the let position hole 13, and the water inlet end of the foam generating part 2 extends into the foam generating installation position 11.
[0040] In an embodiment, in order to reduce the difficulty of forming and installing the foam outlet piece 2, the foam outlet piece 2 is split into a rotating shaft 21 and a foam outlet head 22. The rotating shaft 21 is a tube body, the water outlet end of which is inserted into the accommodation hole 13 from the foam outlet installation site 11 and is rotationally installed. The foam outlet head 22 is in L shape, and the water inlet end of the foam outlet head 22 is butted with the water outlet end of the rotating shaft 21, so that the change of the foam spraying direction of the foam outlet piece 2 is realized. In addition, the water inlet end of the foam outlet head 22 is provided with a plug-in interface 221, the water outlet end of the rotating shaft 21 is inserted into the plug-in interface 221, and the water outlet end of the rotating shaft 21 and the plug-in interface 221 are fixed by the buckle 5, so that the structure is simple and easy to assemble.
[0041] The foam outlet piece 3 is installed on the base 1, and the water outlet end of the foam outlet piece 3 extends into the foam outlet installation site 11 and is rotationally butted with the water inlet end of the foam outlet piece 2, so that the internal passage is communicated.
[0042] In an embodiment, in order to reduce the difficulty of forming and installing the foam outlet piece 2, the foam outlet piece 2 is split into a rotating shaft 21 and a foam outlet head 22. The rotating shaft 21 is a tube body, the water outlet end of which is inserted into the accommodation hole 13 from the foam outlet installation site 11 and is rotationally installed. The foam outlet head 22 is in L shape, and the water inlet end of the foam outlet head 22 is butted with the water outlet end of the rotating shaft 21, so that the change of the foam spraying direction of the foam outlet piece 2 is realized. In addition, the water inlet end of the foam outlet head 22 is provided with a plug-in interface 221, the water outlet end of the rotating shaft 21 is inserted into the plug-in interface 221, and the water outlet end of the rotating shaft 21 and the plug-in interface 221 are fixed by the buckle 5, so that the structure is simple and easy to assemble.
[0043] The driving assembly 4 includes a stepping motor 41, a driving wheel 42 and a driven wheel 43. The driven wheel 43 is arranged at the outer circumferential part of the water inlet end of the foam outlet piece 2, preferably, the driven wheel 43 is integrally formed at the outer circumferential part of the rotating shaft 21, of course, in other embodiments, the sleeve assembly mode can also be adopted. The driving wheel 42 is rotationally installed in the driving installation site 12 of the base 1 and is butted with the driven wheel 43. The stepping motor 41 is installed on the gland 14 and drives the driving wheel 42 to rotate.
[0044] In an embodiment, the outer periphery of the stepping motor 41 is sleeved with a rubber sleeve 44, which can prevent the stepping motor 41 from being damaged by water, and make the stepping motor 41 more adaptable to the environment of the toilet with more water and moisture. In addition, preferably, the driving wheel 42 and the driven wheel 43 are connected through tooth engagement, which is simple in structure and small in size. In a specific embodiment, the driving wheel 42 is a gear, and the driven wheel 43 comprises driven teeth 431, and the outer sides of the two outermost driven teeth 431 are provided with limiting ribs 432, and the driving wheel 42 drives the driven wheel 43 to rotate repeatedly between the two limiting ribs 432 through repeated rotation, like Figure 8 and Figure 9 , so as to limit the rotation angle of the foam generating piece 2 and the foam spraying area.
[0045] In use, the foaming liquid and air pass through the foam generating piece 3 and foam, and the generated foam is sprayed to the toilet bowl surface through the water outlet of the foam generating piece 2, and at the same time, the stepping motor 41 drives the driven wheel 43 to rotate through the driving wheel 42, and then drives the foam generating piece 2 to rotate while spraying foam.
[0046] The foam generating device provided by the utility model drives the rotationally installed foam generating piece 2 through the setting of the stepping motor 41, the driving wheel 42 and the driven wheel 43, so that the foam generating piece 2 can spray foam to the toilet bowl surface while rotating, so that the foam can flow more uniformly through the toilet bowl surface, which not only improves the cleaning effect, but also improves the uniformity of the foam shield, and further improves the splash-proof effect and deodorization effect of the foam shield.
[0047] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, structure and operation, and therefore cannot be understood as limiting the utility model.
[0048] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0049] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0050] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0051] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.
[0052] Although the above embodiments have been shown and described, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the changes, modifications, replacements and variations of the above embodiments made by those skilled in the art are within the scope of the present application.
Claims
1. A foam generating device with a rotatable foam member, characterized in that, The device comprises a base, a bubble generating part, a foaming part and a driving assembly. The base is provided with a bubble generating mounting position and a driving mounting position in close proximity, and a clearance hole is arranged in the middle of the bubble generating mounting position. The bubble generating part is rotatably mounted in the clearance hole, and the water inlet end of the bubble generating part extends into the bubble generating mounting position. The foaming part is mounted on the base, and the water outlet end of the foaming part extends into the bubble generating mounting position and is rotatably connected with the water inlet end of the bubble generating part. The driving assembly comprises a stepping motor, a driving wheel and a driven wheel.
2. A foam generating device according to claim 1, wherein, The outer periphery of the stepping motor is provided with a rubber sleeve.
3. A foam generating device according to claim 1, wherein, The driving wheel and the driven wheel are connected through gear engagement.
4. A foam generating device according to claim 1, wherein The driving wheel is a gear, and the driven wheel comprises driven gears.
5. A foam generating device according to claim 1, wherein The outer sides of the two outermost driven gears are provided with limiting ribs.
6. A foam generating device according to claim 5, wherein the foam generating device is a device according to any one of claims 1 to 4. The driving wheel drives the driven wheel to rotate repeatedly between the two limiting ribs.
7. A foam generating device according to claim 5, wherein the foam generating device is a device according to any one of claims 1 to 4. The bubble generating part comprises a rotating shaft and a bubble generating head.
8. A rotatable foam generating device of the type defined in claim 1, characterized in that The water outlet end of the rotating shaft is inserted into the clearance hole from the bubble generating mounting position and is rotatably mounted.
9. A foam generating device according to claim 8, wherein the foam generating device is a rotary foam generating device. The bubble generating head is L-shaped, and the water inlet end of the bubble generating head is connected with the water outlet end of the rotating shaft.
10. A foam generating device according to claim 8, wherein, The water inlet end of the bubble generating head is provided with a plug-in port. The water outlet end of the rotating shaft is inserted into the plug-in port, and the water outlet end of the rotating shaft and the plug-in port are fixed through buckling. The driven wheel is sleeved or integrally formed on the outer periphery of the rotating shaft. The foaming part comprises a connector and a foaming head. The water inlet end of the connector forms a water inlet seat, the water outlet end forms a water outlet head, and the connector is rotatably inserted into the water inlet end of the bubble generating part. The water inlet end of the foaming head is provided with an acceleration hole, the middle part is provided with an air inlet hole, the water outlet end forms a water outlet seat, and the water outlet seat and the water inlet seat are connected and fixed through buckling. The two sides of the water outlet seat are provided with mounting ears. The mounting ears are provided with mounting holes. The bubble generating mounting position is provided with screw holes. The water outlet seat is fixedly mounted on the bubble generating mounting position through screws. The water inlet seat is provided with a mounting groove at the opening of the water channel. The mounting groove is provided with a filter screen.