Cleaning nozzle and bathtub

Abstract

The cleaning spray head comprises a fixed outer cylinder, a movable inner cylinder, a spring and a water outlet head, the movable inner cylinder and the spring are arranged in the fixed outer cylinder, the spring is sleeved outside the movable inner cylinder, the movable inner cylinder can move upwards along the fixed outer cylinder and compress the spring, the water outlet head is arranged at the top of the movable inner cylinder, and a water outlet hole is formed in the side wall of the water outlet head. A water passing opening is formed in the top of the movable inner cylinder, a water inlet is formed in the bottom of the movable inner cylinder, the water inlet, the water passing opening and the water outlet hole are communicated, and the movable inner cylinder can move upwards under the hydraulic action to enable the water outlet head to stretch out of the fixed outer cylinder. The cleaning spray head is installed at the bottom of the bathtub, the spray head can stretch out and draw back through the pressure of water and the elastic force of the spring, the water outlet is located in the side wall of the water outlet head, is completely hidden in the fixed outer barrel at ordinary times and stretches out to work when used, and the blocking risk caused by the fact that the water outlet is exposed out of the bottom of the bathtub is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bathtub technical field especially is related to a cleaning spray head and bathtub. BACKGROUND

[0002] The bathtub cleaning has been a problem in the use process of the bathtub, and the usual method is to manually flush the inner wall of the bathtub by using the handheld shower after use. This method is effective, but it is complicated to manually clean and manually add cleaning agent. Some products install spray heads on the inner wall of the bathtub and swing at a certain angle to spray downward, but the spray angle is limited, so multiple spray heads need to be installed (the number of spray heads is different for different sizes and shapes of the bathtub, and is 6-8). The spray heads on the upper part of the inner wall of the bathtub directly affect the aesthetics of the entire bathtub, which is contrary to the simple design concept of the bathtub, and the structure of multiple spray heads is complex and prone to failure. Some products install a rotating spray head at the bottom of the bathtub, which can also achieve cleaning effect, but the spray hole is at the top of the spray head, which inevitably has the risk of blockage during use of the bathtub. SUMMARY

[0003] The utility model aims at solving at least one of the above technical problems in the related art to some extent. To this end, the utility model provides a cleaning spray head.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] The utility model further provides a bathtub with the above cleaning spray head.

[0006] According to the cleaning spray head of the first aspect embodiment of the utility model, the fixed outer cylinder, the movable inner cylinder, the spring and the water outlet head are arranged in the fixed outer cylinder, the spring is sleeved outside the movable inner cylinder, the movable inner cylinder can move upward along the fixed outer cylinder and compress the spring, the water outlet head is arranged at the top of the movable inner cylinder, the side wall of the water outlet head is provided with a water outlet hole, the top of the movable inner cylinder is provided with a water passing opening, the bottom of the movable inner cylinder is provided with a water inlet, the water inlet, the water passing opening and the water outlet hole are communicated, and the movable inner cylinder can move upward under the action of water force to make the water outlet head extend out of the fixed outer cylinder.

[0007] According to the cleaning spray head of the utility model embodiment, at least the following beneficial effects are achieved:

[0008] The utility model discloses a cleaning shower head is installed at the bottom of bathtub, utilizes the pressure of water and spring elasticity and realizes that shower head telescopic, when tap water enters the movable inner tube through the water inlet end of fixed outer tube, the pressure of water will promote movable inner tube to move upward, force spring extrude to the most compact state, at this moment, the water outlet head extends fixed outer tube, tap water flows into the water outlet head through the water gap, and then sprays from the water outlet hole, reaches the purpose of cleaning bathtub. After cleaning, stop water, and the spring loses the extrusion and rebounds, and drives movable inner tube to fall down to the initial position, hides in fixed outer tube. The utility model discloses the water outlet of the water outlet head is in the lateral wall, completely hides in fixed outer tube usually, and extends to work when using, avoids the risk of plugging caused by the water outlet exposed in the bottom of bathtub. The telescopic movement of the cleaning shower head does not need to pass through electric control, adopts water power and spring as telescopic power, saves energy source, and also avoids the fault risk that electronic transmission can bring, and the manufacturing cost is also reduced.

[0009] According to some embodiments of the utility model, the outer peripheral wall of the movable inner tube and the inner peripheral wall of the fixed outer tube have a space for installing the spring, the outer peripheral wall of the lower end of the movable inner tube is provided with a convex edge along the circumference thereof, the inner peripheral wall of the upper end of the fixed outer tube is provided with a flange along the circumference, the upper end of the spring abuts against the flange, and the lower end of the spring abuts against the convex edge.

[0010] According to some embodiments of the utility model, a sealing ring is sleeved on the convex edge and abuts against the inner peripheral wall of the fixed outer tube and the convex edge.

[0011] According to some embodiments of the utility model, the water outlet head is rotationally connected to the top of the movable inner tube, the water outlet head has a water outlet inner cavity therein, the water outlet inner cavity is in communication with the water outlet hole, at least two same-direction inclined flow guide inclined plates are arranged in the water outlet inner cavity, the flow guide inclined plates are distributed along the circumference of the water outlet inner cavity, and an outlet water flow channel inclined to the rotation axis of the water outlet head is formed between two adjacent flow guide inclined plates.

[0012] According to some embodiments of the utility model, the top of the movable inner tube is provided with a resistance plate, the resistance plate is fixedly connected to the cylinder wall of the movable inner tube through spokes so that the water outlet is formed between the resistance plate and the cylinder wall.

[0013] According to some embodiments of the utility model, a bearing and a fixed shaft are further included, the upper end surface of the resistance plate is provided with a groove, the bottom of the groove is provided with a mounting hole, the bearing is assembled in the groove, a mounting seat is arranged in the water outlet inner cavity, the flow guide inclined plate is connected between the mounting seat and the lateral wall of the water outlet head, a shaft hole is formed in the mounting seat, the fixed shaft is arranged in the shaft hole and the mounting hole, and the mounting seat is rotationally connected to the resistance plate through the bearing.

[0014] According to some embodiments of the present application, the water outlet holes are at least two, and the water outlet holes are arranged along the circumference of the water outlet head, each water outlet hole has an inclined upper wall surface and a lower wall surface, the upper wall surface is inclined upward by α° relative to the horizontal plane, the lower wall surface is inclined upward by β° relative to the horizontal plane, in the same water outlet hole, 10≤α-β≤20, and the inclination angles of the upper wall surfaces of the at least two water outlet holes are different.

[0015] According to some embodiments of the present application, the water inlet pipeline and the electromagnetic valve for controlling the water inlet pipeline are further included.

[0016] According to some embodiments of the present application, the fastening nut is further included, the outer circumferential wall of the top of the fixed outer cylinder is provided with a positioning edge, the outer circumferential wall of the fixed outer cylinder is provided with a thread, and the fastening nut is screwed on the fixed outer cylinder.

[0017] The bathtub according to the second aspect of the present application comprises the cleaning spray head.

[0018] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0020] Figure 1 is an exploded view of the cleaning spray head of the present application;

[0021] Figure 2 is an assembly view of the cleaning spray head of the present application;

[0022] Figure 3 is a use state view of the cleaning spray head of the present application;

[0023] Figure 4 is a bottom view of the water outlet head of the present application;

[0024] Figure 5 is a structure view of the movable inner cylinder of the present application;

[0025] Figure 6 is a sectional view of the water outlet head of the present application;

[0026] Figure 7 is an installation schematic view of the cleaning spray head of the present application in the bathtub.

[0027] Reference numerals: Fixed outer cylinder 100, flange 110, positioning edge 120, movable inner cylinder 200, water outlet 210, raised edge 220, sealing ring 221, resistance plate 230, groove 231, mounting hole 232, spoke 240, spring 300, water outlet head 400, water outlet hole 410, upper wall surface 411, lower wall surface 412, water outlet inner cavity 420, guide plate 430, mounting base 440, shaft hole 441, top cover 450, bearing 500, fixed shaft 600, water inlet pipe 700, solenoid valve 800, fastening nut 900, bathtub 1000, cover plate 1100. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0029] Reference Figures 1-6 A cleaning nozzle includes a fixed outer cylinder 100, a movable inner cylinder 200, a spring 300, and a water outlet 400. The lower end of the fixed outer cylinder 100 is a water inlet end, which is connected to an external water inlet pipe 700. The movable inner cylinder 200 and the spring 300 are located inside the fixed outer cylinder 100, and the spring 300 is sleeved outside the movable inner cylinder 200. The movable inner cylinder 200 can move upward along the fixed outer cylinder 100 and compress the spring 300. The water outlet 400 is located at the top of the movable inner cylinder 200. The side wall of the water outlet 400 is provided with a water outlet 410. The top of the movable inner cylinder 200 is provided with a water passage 210, and the bottom of the movable inner cylinder 200 is provided with a water inlet. The water inlet, the water passage 210, and the water outlet 410 are connected. The movable inner cylinder 200 can move upward under the action of water force, causing the water outlet 400 to extend out of the fixed outer cylinder 100.

[0030] Working principle: When tap water enters the movable inner tube 200 through the inlet of the fixed outer tube 100, the water pressure pushes the movable inner tube 200 upward, forcing the spring 300 to be compressed to its tightest state. At this time, the outlet 400 extends out of the fixed outer tube 100, and tap water flows into the outlet 400 through the water inlet 210, and then sprays out from the outlet hole 410, achieving the purpose of cleaning the bathtub 1000. After cleaning, the water supply stops, the water pressure disappears, the spring 300 loses its compressive force and rebounds, causing the movable inner tube 200 to fall back to its initial position and be hidden inside the fixed outer tube 100.

[0031] In some embodiments of the utility model, the outer peripheral wall of the movable inner cylinder 200 and the inner peripheral wall of the fixed outer cylinder 100 have a space for installing the spring 300, the outer peripheral wall of the lower end of the movable inner cylinder 200 is provided with a flange 220 along the circumferential direction thereof, the inner peripheral wall of the upper end of the fixed outer cylinder 100 is provided with a flange 110 along the circumferential direction, the upper end of the spring 300 abuts against the flange 110, and the lower end of the spring 300 abuts against the flange 220.

[0032] In some embodiments of the utility model, the flange 220 is sleeved with a sealing ring 221, and the sealing ring 221 abuts against the inner peripheral wall of the fixed outer cylinder 100 and the flange 220. The sealing ring 221 is arranged between the movable inner cylinder 200 and the fixed outer cylinder 100 to prevent leakage and ensure that water can enter the movable inner cylinder 200.

[0033] In some embodiments of the utility model, the water outlet head 400 is rotationally connected to the top of the movable inner cylinder 200, the water outlet head 400 has a water outlet cavity 420 therein, the water outlet cavity 420 is in communication with the water outlet hole 410, at least two same-direction inclined flow guide inclined plates 430 are arranged in the water outlet cavity 420, the flow guide inclined plates 430 are distributed along the circumferential direction of the water outlet cavity 420, and adjacent two flow guide inclined plates 430 form a water outlet flow channel inclined to the rotation axis of the water outlet head 400. When water flow reaches the water outlet head 400 at the top, the water flow is forced to change direction to form rotating water flow due to the structure of the flow guide inclined plates 430, and finally is sprayed out of the water outlet hole 410, so that the purpose of cleaning the bathtub 1000 is achieved. Rotating water spraying can cover a wider area and can reach every corner of the inner wall of the bathtub 1000, and the rotating water spraying can concentrate water flow energy in a small range and increase the impact force of water, so that the scouring of dirt is stronger.

[0034] In some embodiments of the utility model, the top of the movable inner cylinder 200 has a resistance plate 230, the resistance plate 230 and the cylinder wall of the movable inner cylinder 200 are fixedly connected through spokes 240 to form a water passage 210 between the resistance plate 230 and the cylinder wall. The resistance plate 230 and the water passage 210 ensure that the water flow can push the movable inner cylinder 200 while the water flow can flow to the water outlet head 400.

[0035] In some embodiments of the utility model, still include bearing 500 and fixed shaft 600, the upper end surface of resistance plate 230 is equipped with recess 231, the bottom of recess 231 is equipped with mounting hole 232, bearing 500 is assembled in recess 231, the water outlet inner chamber 420 is equipped with mounting seat 440, and the water outlet head 400 is connected between the side wall of mounting seat 440 and guide baffle 430, the shaft hole 441 of mounting seat 440 is opened, and fixed shaft 600 is arranged in shaft hole 441 and mounting hole 232, and mounting seat 440 is rotatably connected with resistance plate 230 through bearing 500. Specifically, the water outlet head 400 is equipped with top cover 450, after installing fixed shaft 600, cover top cover 450, so that the water flow can only be sprayed from the side of water outlet head 400. Bearing 500 ensures that water outlet head 400 rotates smoothly.

[0036] In some embodiments of the utility model, the water outlet hole 410 is at least two, the water outlet hole 410 is arranged along the circumference of the water outlet head 400, each water outlet hole 410 has an inclined upper wall 411 and lower wall 412, the upper wall 411 is inclined α ° upward relative to the horizontal plane, the lower wall 412 is inclined β ° upward relative to the horizontal plane, in the same water outlet hole 410, 10≤α-β≤20, the inclination angle of the upper wall 411 of at least two water outlet holes 410 is different. The inclination angle of the upper wall 411 is greater than the inclination angle of the lower wall 412, so that the water outlet hole 410 is trumpet-shaped, and the cleaning area can be expanded. The inclination angle of the upper wall 411 of each water outlet hole 410 is different, so that the water outlet height is different, and the different heights of the inner wall of the bathtub 1000 can be cleaned. The following is a specific embodiment of the utility model: three water outlet holes 410 and three guide baffles 430 are arranged, the water outlet angle of each water outlet hole 410 is different, the lower wall of the first water outlet hole is 10 °, and the upper wall is 25 °;The lower wall of the second water outlet hole is 20 °, and the upper wall is 35 °;The lower wall of the third water outlet hole is 30 °, and the upper wall is 45 °, so that the different heights of the inner wall of the bathtub 1000 can be cleaned better.

[0037] In some embodiments of the utility model, still include water inlet pipeline 700 and solenoid valve 800 for controlling the water inlet pipeline 700 on-off water, and the water inlet pipeline 700 is connected with the water inlet port of fixed outer cylinder 100. The solenoid valve 800 controls the on-off of the waterway, improves the automation, can work by using tap water pressure, or can use pump pressurization mode in front end, and the waterway can also add cleaning agent by negative pressure or peristaltic pump to improve the cleaning effect.

[0038] In some embodiments of the utility model, still include fastening nut 900, the outer peripheral wall of the top of fixed outer tube 100 is equipped with positioning edge 120, the outer peripheral wall of fixed outer tube 100 is equipped with thread, fastening nut 900 is screwed on fixed outer tube 100. When installing, fixed outer tube 100 is inserted from top to bottom into the installation port of the bottom of bathtub 1000, until positioning edge 120 is clamped in the edge of installation port, then fastening nut 900 is screwed from the bottom of bathtub 1000, the fixation of fixed outer tube 100 is completed, and fixed outer tube 100 plays the role of overall support.

[0039] Referring to Figure 7 A bathtub 1000, comprising the above-mentioned cleaning shower head. The cleaning shower head can be provided with a single or multiple in the bathtub 1000, usually installed at the bottom of the bathtub 1000, can also be installed at other parts other than the bottom. A foldable cover plate 1100 is provided at the top of the bathtub 1000, which is covered when cleaning is needed to prevent the sprayed water from splashing out.

[0040] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A cleaning showerhead, characterized by, The kettle comprises a fixed outer cylinder (100), a movable inner cylinder (200), a spring (300) and a water outlet head (400), the movable inner cylinder (200) and the spring (300) are arranged in the fixed outer cylinder (100), the spring (300) is sleeved outside the movable inner cylinder (200), the movable inner cylinder (200) can move upwards along the fixed outer cylinder (100) and compress the spring (300), the water outlet head (400) is arranged at the top of the movable inner cylinder (200), the side wall of the water outlet head (400) is provided with a water outlet hole (410), the top of the movable inner cylinder (200) is provided with a water passing opening (210), the bottom of the movable inner cylinder (200) is provided with a water inlet opening, the water inlet opening, the water passing opening (210) and the water outlet hole (410) are communicated, and the movable inner cylinder (200) can move upwards under the action of water force to make the water outlet head (400) extend out of the fixed outer cylinder (100).

2. The cleaning showerhead of claim 1, wherein, The outer peripheral wall of the movable inner cylinder (200) and the inner peripheral wall of the fixed outer cylinder (100) have a space for installing the spring (300), the outer peripheral wall of the lower end of the movable inner cylinder (200) is provided with a convex edge (220) along the circumference thereof, the inner peripheral wall of the upper end of the fixed outer cylinder (100) is provided with a flange (110) along the circumference, the upper end of the spring (300) abuts against the flange (110), and the lower end of the spring (300) abuts against the convex edge (220).

3. The cleaning showerhead of claim 2, wherein, The convex edge (220) is sleeved with a sealing ring (221), and the sealing ring (221) abuts against the inner peripheral wall of the fixed outer cylinder (100) and the convex edge (220).

4. The cleaning showerhead of claim 1, wherein, The water outlet head (400) is rotationally connected with the top of the movable inner cylinder (200), the water outlet head (400) has a water outlet cavity (420) therein, the water outlet cavity (420) is communicated with the water outlet hole (410), at least two guide inclined plates (430) inclined in the same direction are arranged in the water outlet cavity (420), the guide inclined plates (430) are distributed along the circumference of the water outlet cavity (420), and adjacent two guide inclined plates (430) form a water outlet flow channel inclined to the rotation axis of the water outlet head (400).

5. The cleaning showerhead of claim 4, wherein, The top of the movable inner cylinder (200) is provided with a resistance plate (230), the resistance plate (230) and the cylinder wall of the movable inner cylinder (200) are fixedly connected through spokes (240) to form the water passing opening (210) between the resistance plate (230) and the cylinder wall.

6. The cleaning showerhead of claim 5, wherein, The resistance plate (230) is provided with a groove (231) at its upper end surface, and the bottom of the groove (231) is provided with a mounting hole (232), the bearing (500) is assembled in the groove (231), the water outlet inner cavity (420) is provided with a mounting seat (440), the flow guide inclined plate (430) is connected between the mounting seat (440) and the side wall of the water outlet head (400), the mounting seat (440) is provided with a shaft hole (441), the fixed shaft (600) is arranged in the shaft hole (441) and the mounting hole (232), and the mounting seat (440) is rotationally connected with the resistance plate (230) through the bearing (500).

7. The cleaning showerhead of claim 1, wherein The water outlet hole (410) is provided with at least two water outlet holes (410) arranged along the circumference of the water outlet head (400), each water outlet hole (410) is provided with an inclined upper wall surface (411) and a lower wall surface (412), the upper wall surface (411) is inclined upward by an angle of α° relative to the horizontal plane, the lower wall surface (412) is inclined upward by an angle of β° relative to the horizontal plane, and in the same water outlet hole (410), 10≤α-β≤20, and the inclined angles of the upper wall surfaces (411) of the at least two water outlet holes (410) are different.

8. The cleaning showerhead of claim 1, wherein, The water inlet pipeline (700) is connected with the water inlet port of the fixed outer cylinder (100), and the electromagnetic valve (800) is arranged to control the water inlet pipeline (700) to be opened or closed.

9. The cleaning showerhead of claim 1, wherein, The fixed outer cylinder (100) is provided with a positioning edge (120) at the top of the outer circumferential wall, the outer circumferential wall of the fixed outer cylinder (100) is provided with a thread, and the fastening nut (900) is screwed on the fixed outer cylinder (100).

10. A bath tub (1000) characterized in that, The cleaning nozzle comprises the cleaning nozzle according to any one of claims 1-9.

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