Wall moistening sprayer for closestool and closestool cover

Abstract

The utility model provides a wall-moistened spray head for a closestool and a closestool cover, and relates to the technical field of sanitary products, the wall-moistened spray head comprises a body, the body is provided with a water inlet flow channel, a spray hole, an acceleration channel and a connecting part, the water inlet flow channel is used for being connected with a water inlet pipeline, the spray hole is formed in the bottom surface of the body, and the acceleration channel is connected with the connecting part. The water inlet flow channel is provided with a spray hole, a drainage face inclining outwards is arranged in the circumferential direction of the spray hole, the acceleration channel is used for communicating the water inlet flow channel and the spray hole, the acceleration channel is arranged to enable water flow to be accelerated through changes of the water inlet section, and the connecting part is used for being fixedly connected with a toilet lid and enabling the spray hole to face the bottom of a toilet. The problems that an existing wall moistening sprayer is limited in spraying area, low in spraying efficiency and poor in wall moistening effect are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bathroom products, and particularly relates to a wall moistening nozzle for a toilet and a toilet cover. BACKGROUND

[0002] The main role of the wall moistening function of the toilet is to smear a layer of water film on the inner wall (i.e. the pot surface) of the toilet before using the toilet, to prevent the excrement from directly contacting the inner wall of the toilet, thereby reducing the possibility of dirt sticking and water splashing, and providing a more comfortable use experience, while being able to isolate the odor to some extent and reduce the generation of odor. It can also save water to some extent. Therefore, more and more intelligent toilets are provided with a wall moistening function. The structure of the existing wall moistening nozzle is mostly as disclosed in Chinese patent CN213174012U, a kind of atomizing nozzle for intelligent toilet wall moistening and intelligent toilet provided with it, wherein the atomizing nozzle comprises a first accelerating flow channel arranged vertically, and a spray hole located at the bottom side of the first accelerating flow channel. According to the description and the accompanying drawings thereof Figure 6 and Figure 7 , when the atomizing nozzle is arranged on the toilet, the spraying state is only capable of spraying liquid to one side wall of the toilet, the spraying area is limited, the spraying efficiency is low, and it is not conducive to user use. In addition, since the spray hole is arranged on the side surface of the nozzle, in order to prevent water mist from splashing on the user, the spray hole can only spray to the side away from the human body, so that the other parts of the inner wall of the toilet cannot be sprayed, causing poor wall moistening effect. SUMMARY

[0003] The utility model discloses a kind of wall moistening nozzle for toilet, simple structure, to improve the problem of the existing wall moistening nozzle limited spraying area, low spraying efficiency and poor wall moistening effect.

[0004] The utility model has adopted the following scheme:

[0005] A kind of wall moistening nozzle for toilet, including body, water inlet channel, spray hole, accelerating passage and connecting portion are equipped on the body, the water inlet channel is used to be connected with water inlet pipeline, the spray hole is located at the bottom surface of the body, and the spray hole is provided with outwardly inclined drainage surface along the circumferential direction of the spray hole, the accelerating passage is used to communicate the water inlet channel and the spray hole, the accelerating passage is set to make water flow accelerate by the change of water inlet section, the connecting portion is used to be fixedly connected with toilet cover, and the spray hole is directed to the bottom of toilet.

[0006] As a further improvement, the accelerating passage includes a first accelerating flow channel with a decreasing water inlet section along the water flow direction, and an accelerating cavity in communication with the first accelerating flow channel. The spray hole is in communication with the accelerating cavity and is located at the center position of the accelerating cavity.

[0007] As a further improvement, the cross section of the acceleration cavity is circular, and an inclined water groove is arranged at the water inlet end of the acceleration cavity, so that the water flow rotates and accelerates in the acceleration cavity.

[0008] As a further improvement, the body comprises a water passing member and a water spraying member, the water spraying member is sleeved on the water passing member, the spray hole is located at the center of the bottom of the water spraying member, the water passing member is provided with the water inlet channel and the first acceleration channel, and the bottom of the water passing member abuts against the water spraying member to form the acceleration cavity.

[0009] As a further improvement, the first acceleration channel is provided with a water passing hole on the side wall close to the bottom, and the inner wall of the water spraying member and the outer wall of the water passing member form a second acceleration channel for connecting the water passing hole and the acceleration cavity.

[0010] As a further improvement, the water passing member and the water spraying member are connected through threads, and the water passing member is sleeved with a sealing member above the second acceleration channel to seal the inner wall of the water spraying member.

[0011] As a further improvement, one side of the water passing member extends outward to form the water inlet channel, and the other side of the water passing member extends outward to form the connecting part, wherein the connecting part has a U-shaped groove, and a fastener passes through the U-shaped groove to fix the toilet cover.

[0012] Further provided is a toilet cover comprising a cover plate, a seat plate and the wall moistening nozzle for a toilet as claimed in any one of the above.

[0013] As a further improvement, the seat plate is internally provided with a switch valve, the water inlet end of the switch valve is connected with a water inlet pipeline, the water outlet end of the switch valve is connected with the water inlet channel through a hose, and the switch valve is driven in an operable manner to control the opening and closing and flow of the wall moistening nozzle.

[0014] As a further improvement, the switch valve is controlled by pressing a button or rotating a knob.

[0015] By adopting the above technical solutions, the following technical effects can be achieved.

[0016] 1. In the present application, the water flow enters the water inlet channel and then flows to the spray hole through the acceleration channel, and the accelerated water flow breaks into small water droplets or particles at the spray hole to form mist water sprayed to the inner wall of the toilet, thereby realizing the wall moistening function. The spray hole is arranged on the bottom surface of the body and faces the bottom of the toilet, so that the mist water can be sprayed downward to the inner wall of the toilet. Compared with the prior art, the spraying angle is not limited by the position of the spray hole, and the drainage surface inclined outward is arranged along the circumference of the spray hole, so that the mist water can be diffused and sprayed outward along the drainage surface, thereby improving the spraying area, increasing the wall moistening efficiency, and further improving the wall moistening effect.

[0017] 2. After the water flow enters the water inlet channel, the water flow successively passes through the first accelerating flow channel, the second accelerating flow channel and the accelerating cavity to complete three times of water flow acceleration, thereby guaranteeing the atomization effect of the water flow.

[0018] 3. When installed, only the sealing member needs to be sleeved into the sealing groove of the water passing member, and then the water spraying member is screwed into the water passing member, so that the water spraying member can be conveniently disassembled and assembled.

[0019] 4. The wall wetting nozzle can control the flow through the on-off valve to adjust the spraying range, and can adapt to different water pressures, thereby reducing the influence of external water flow pressure on the wall wetting effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 and Figure 2 is a structure schematic view of the wall wetting nozzle of one of the embodiments of the present application under different viewing angles;

[0022] Figure 3 and Figure 4 is a sectional view of the wall wetting nozzle of one of the embodiments of the present application along different sections;

[0023] Figure 5 and Figure 6 is a structure schematic view of the water passing member of one of the embodiments of the present application under different viewing angles;

[0024] Figure 7 and Figure 8 is a structure schematic view of the water spraying member of one of the embodiments of the present application under different viewing angles;

[0025] Figure 9 is an exploded view of the wall wetting nozzle of one of the embodiments of the present application;

[0026] Figure 10 and Figure 11 is a structure schematic view of the toilet cover of one of the embodiments of the present application under different viewing angles;

[0027] Figure 12 is a structure schematic view of the toilet cover of one of the embodiments of the present application after the hidden seat plate;

[0028] Figure 13is the structure schematic view of the toilet cover of another embodiment of the utility model;

[0029] Figure 14 is the structure schematic view of the toilet cover hidden part seat board of another embodiment of the utility model;

[0030] Figure 15 is the sectional view of the toilet cover of one embodiment of the utility model;

[0031] Figure 16 is the water outlet schematic view of the wall wetting spray head configuration on the toilet cover of one embodiment of the utility model.

[0032] Icon: 1 - the main body;11 - water inlet channel;12 - spray hole;13 - acceleration channel;131 - first acceleration channel;132 - acceleration cavity;133 - inclined water tank;134 - second acceleration channel;14 - connecting part;141 - U-shaped groove;15 - drainage surface;16 - water passing part;161 - water passing hole;162 - sealing groove;163 - external thread;17 - water spraying part;171 - internal thread;18 - sealing element;19 - plug;

[0033] 2 - toilet cover;21 - cover plate;22 - seat plate;221 - switch valve;222 - water outlet channel;223 - button;224 - knob;225 - screw column. Specific embodiments

[0034] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model. Embodiment

[0035] In conjunction with Figures 1 to 9The embodiment provides a wall moistening nozzle for a closestool, which comprises a body 1, the body 1 is provided with a water inlet channel 11, a spray hole 12, an acceleration channel 13 and a connecting part 14, the water inlet channel 11 is used to be connected with a water inlet pipeline, the spray hole 12 is arranged on the bottom surface of the body 1 and is provided with an outwardly inclined flow guide surface 15 along the circumferential direction of the spray hole 12, the acceleration channel 13 is used to communicate the water inlet channel 11 and the spray hole 12, the acceleration channel 13 is arranged to accelerate the water flow by changing the water inlet section, the connecting part 14 is used to be fixedly connected with a closestool cover 2 and makes the spray hole 12 face the bottom of the closestool.

[0036] It should be noted that in the embodiment, the water flow enters the water inlet channel 11 and then flows to the spray hole 12 through the acceleration channel 13, the accelerated water flow is broken into small water droplets or particles at the spray hole 12 to form mist water and spray the inner wall of the closestool, so that the wall moistening function is realized. The spray hole 12 is arranged on the bottom surface of the body 1 and faces the bottom of the closestool, so that the mist water can be sprayed from top to bottom on the inner wall of the closestool. Compared with the prior art, the spraying angle is not limited by the position of the spray hole 12, at the same time, the outwardly inclined flow guide surface 15 is arranged along the circumferential direction of the spray hole 12, so that the mist water can be diffused and sprayed outward along the flow guide surface 15, thereby improving the spraying area, improving the wall moistening efficiency and further improving the wall moistening effect.

[0037] In a preferred embodiment, the acceleration channel 13 comprises a first acceleration flow channel 131 with a water inlet section decreasing along the water flow direction, and an acceleration cavity 132 in communication with the first acceleration flow channel 131, the spray hole 12 is in communication with the acceleration cavity 132 and is arranged at the central position of the acceleration cavity 132. Further, the cross section of the acceleration cavity 132 is circular, and an inclined water groove 133 is arranged at the water inlet end of the acceleration cavity 132, so that the water flow rotates and accelerates in the acceleration cavity 132. In the embodiment, the water flow enters from the water inlet channel 11, flows along the first acceleration flow channel 131 to complete the first water flow acceleration, and then enters the acceleration cavity 132 along the inclined water groove 133 to complete the second acceleration, so that the water flow obtains a faster speed and ensures that the mist water can be formed at the spray hole 12. Specifically, the diameter of the acceleration cavity 132 is 5 mm, the height is 0.4 mm, the width of the inclined water groove 133 is 0.5 mm, and the caliber of the spray hole 12 is 1.4 mm, so that the structure is compact, the volume is small, the closestool cover 2 is convenient to adapt, and the closestool cover 2 is not limited to this and is not specifically limited.

[0038] On the basis of the above-mentioned embodiments, in an optional embodiment of the utility model, the body 1 includes water passing part 16 and water spraying part 17, water spraying part 17 is set on water passing part 16, and the spray hole 12 is located at the central position of the bottom of water spraying part 17. Water passing part 16 is provided with water inlet channel 11 and first accelerating channel 131, and the bottom of water passing part 16 abuts against water spraying part 17 to form accelerating cavity 132. For example, the bottom of water passing part 16 is provided with a groove, and the inclined water groove 133 is arranged along the circumference of the groove. The groove abuts against the inner wall of the bottom of water spraying part 17 to form accelerating cavity 132. Preferably, the first accelerating channel 131 is provided with water passing hole 161 on the side wall close to the bottom, and the second accelerating channel 134 is formed between the inner wall of water spraying part 17 and the outer wall of water passing part 16 to connect water passing hole 161 and accelerating cavity 132. In this embodiment, after the water flow enters water inlet channel 11, it successively passes through first accelerating channel 131, second accelerating channel 134 and accelerating cavity 132 to complete three times of water flow acceleration, thereby guaranteeing the atomization effect of the water flow.

[0039] For example, water passing part 16 and water spraying part 17 are connected through threads, and water passing part 16 is sleeved with sealing element 18 above second accelerating channel 134 to seal the inner wall of water spraying part 17. Water passing part 16 and water spraying part 17 are both injection molded parts, the first accelerating channel 13 on water passing part 16 is arranged along the axial direction, and a plug 19 is arranged at the opening end of the first accelerating channel 13 to facilitate mold opening. The plug 19 can be fixed to water passing part 16 by welding. Water spraying part 17 is provided with internal threads 171, water passing part 16 is provided with external threads 163, and a sealing groove 162 is arranged below the external threads 163 to assemble sealing element 18. The sealing element 18 is preferably an O-ring. During installation, the sealing element 18 is only needed to be sleeved into the sealing groove 162 of water passing part 16, and then water spraying part 17 is screwed into water passing part 16, which is convenient to disassemble and assemble. The structure is simple, the parts are few, and the cost can be saved.

[0040] In an optional embodiment, one side of water passing part 16 extends outward to form water inlet channel 11, and the other side of water passing part 16 extends outward to form connecting part 14. The connecting part 14 has a U-shaped groove 141, and a fastener passes through the U-shaped groove 141 to fix the toilet cover 2. The included angle between the water inlet channel 11 and the connecting part 14 is 90°, which facilitates installation and pipeline connection, and avoids interference between the installation position and the pipeline. The fastener is a screw, and the toilet cover 2 is provided with a screw column 225. The screw passes through the U-shaped groove 141 to be screwed with the screw column 225, thereby pressing the connecting part 14 to fix the spray head.

[0041] In combination Figures 10 to 16The utility model discloses another embodiment provides a toilet cover, including cover plate 21, seat plate 22 and the configuration on seat plate 22 as any one embodiment described above for the wall moistening shower head of closestool. Among them, the connecting structure between cover plate 21 and seat plate 22 is prior art, here no longer repeat.

[0042] On the basis of the above embodiment, an optional embodiment of the utility model, seat plate 22 is built-in switch valve 221, its water inlet end is connected with water inlet pipeline, its water outlet end is connected with water inlet flow channel 11 through hose, and switch valve 221 is driven by the operable mode to control the opening and closing and flow of wall moistening shower head.For example, the valve seat for installing switch valve 221 is equipped with the water outlet flow channel 222 extending outward, and the hose is silica gel pipe, and two ends are connected with the water outlet flow channel 222 of valve body and the water inlet flow channel 11 of shower head respectively.

[0043] Among them, switch valve 221 can adopt press button 223 control or rotary knob 224 control.In one kind of implementation, one side of seat plate 22 is equipped with button 223, and the button 223 is connected with the valve rod of valve body, and the opening and closing of water flow and the control of flow are realized by pressing button 223.In another implementation, one side of seat plate 22 is equipped with knob 224, and the knob 224 is connected with the valve rod of valve body, and the opening and closing of water flow and the control of flow are realized by rotating knob 224.Among them, the water flow is controlled by switch valve 221 to adjust the spraying range of shower head, and it can adapt to different water pressure, to reduce the influence of external water flow pressure on wall moistening effect.Switch valve 221 can be ceramic valve, and its internal structure is prior art, here no longer repeat.

[0044] The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not only limited to the above-mentioned embodiment, and all technical solutions under the idea of the utility model belong to the protection scope of the utility model.

Claims

1. A wall-wetting jet for a toilet, characterized in that, The body is provided with a water inlet channel, a spray hole, an acceleration channel and a connecting part. The water inlet channel is connected with a water inlet pipeline. The spray hole is arranged on the bottom surface of the body and is provided with an outwardly inclined flow guide surface along the circumferential direction of the spray hole. The acceleration channel is used to communicate the water inlet channel and the spray hole. The acceleration channel is arranged to accelerate water flow by changing the water inlet cross section. The connecting part is used to be fixedly connected with a toilet cover and makes the spray hole face the bottom of the toilet.

2. The wall lubricating spray head for a toilet according to claim 1, characterized in that, The acceleration channel includes a first acceleration channel with a decreasing water inlet cross section along the water flow direction and an acceleration cavity communicated with the first acceleration channel. The spray hole is communicated with the acceleration cavity and is arranged at the center position of the acceleration cavity.

3. The wall lubricating spray head for a toilet according to claim 2, characterized in that, The cross section of the acceleration cavity is circular and is provided with an inclined water groove at the water inlet end of the acceleration cavity so that the water flow is accelerated by rotating in the acceleration cavity.

4. The rim lubricator for a toilet according to claim 2, characterized by, The body includes a water passing part and a water spraying part. The water spraying part is sleeved on the water passing part. The spray hole is located at the center position of the bottom of the water spraying part. The water passing part is provided with the water inlet channel and the first acceleration channel. The bottom of the water passing part abuts against the water spraying part to form the acceleration cavity.

5. The wall lubricating spray head for a toilet according to claim 4, characterized in that, The first acceleration channel is provided with a water passing hole on the side wall close to the bottom. The inner wall of the water spraying part and the outer wall of the water passing part form a second acceleration channel communicated with the water passing hole and the acceleration cavity.

6. The wall lubricating spray head for a toilet according to claim 5, characterized in that, The water passing part and the water spraying part are connected by threads. The water passing part is sleeved with a sealing member above the second acceleration channel to seal the inner wall of the water spraying part.

7. The rim lubricator for a toilet according to claim 4, characterized by, One side of the water passing part extends outwardly to form the water inlet channel. The other side of the water passing part extends outwardly to form the connecting part. The connecting part has a U-shaped groove. A fastener passes through the U-shaped groove to be fixed with the toilet cover.

8. A toilet lid characterized by, The seat plate is provided with the wall wetting spray head for toilet according to any one of claims 1-7.

9. The toilet lid of claim 8, wherein, The seat plate is provided with a switch valve. The water inlet end of the switch valve is connected with a water inlet pipeline. The water outlet end of the switch valve is connected with the water inlet channel through a hose. The switch valve is driven in an operable manner to control the opening and closing and flow of the wall wetting spray head.

10. The toilet lid of claim 9, wherein, The switch valve is controlled by pressing a button or rotating a knob.

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