Water outlet device and shower head using same

Abstract

The utility model discloses a water outlet device and discloses a shower head with the water outlet device, the water outlet device comprises a water passing piece, the water passing piece is provided with a water inlet end and a water outlet end, a water passing flow channel is defined between the water inlet end and the water outlet end, and an impeller, a speed reduction wheel and a water spray nozzle are sequentially installed in the water passing flow channel; an eccentric shaft is arranged on the impeller; a first tooth surface is arranged on the circumferential outer wall of the speed reduction wheel, the second tooth surface surrounds the first tooth surface and can be partially meshed with the first tooth surface, and a protrusion is arranged at the eccentric position of the speed reduction wheel. The water spray nozzle is mounted at the spherical cavity and is in spherical sliding connection with the spherical cavity; the water spray nozzle is provided with a water spray runner and a flat end face surrounding the water spray runner; the protruding end of the speed reduction wheel and the flat end face of the water spray nozzle are in abutting transmission, friction resistance between the speed reduction wheel and the water spray nozzle in the transmission process is reduced, and when the water pressure rushing into the water flow channel is relatively low, inclined rotation of the water spray nozzle can be started through transmission of the impeller and the speed reduction wheel.

Description

Technical Field

[0001] The utility model relates to the technical field of water-using equipment, in particular to a water outlet device and a shower head using the same. Background Art

[0002] There are some existing nozzles, in which the impeller rotates to drive the water outlet head to swing and discharge water. In order to reduce the rotation speed of the water outlet head, a speed reduction mechanism is set, but the speed reduction mechanism generally transmits the circumferential transmission between the shaft body and the water outlet head, and the contact area between the two is large, and the friction is large. Under low water pressure conditions, the water outlet head cannot start, resulting in rotation failure. Utility Model Content

[0003] The utility model aims to solve one of the above-mentioned technical problems in the related art at least to a certain extent. To this end, the utility model provides a water outlet device.

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

[0005] The utility model also provides a shower head with the water outlet device.

[0006] According to the first aspect of the present invention, the water outlet device comprises a water passing member, wherein the water passing member has a water inlet end and a water outlet end, a water passage is defined between the water inlet end and the water outlet end, and an impeller, a reduction wheel and a water nozzle are sequentially installed in the water passage; wherein:

[0007] An eccentric shaft is provided on the impeller, and the water inlet end sprays water on the impeller to drive the impeller to rotate around the central axis;

[0008] The circumferential outer wall of the reduction wheel is provided with a first tooth surface, the side wall of the water flow channel is provided with a second tooth surface, the eccentric shaft is rotatably connected to the center axis position of the reduction wheel, the second tooth surface surrounds the first tooth surface and the two can be partially meshed, and a protrusion is provided on the eccentric position of the reduction wheel;

[0009] A spherical cavity is provided at a position of the water flow channel near the water outlet end, the water spray nozzle is installed in the spherical cavity and the two are spherically slidably connected, the water spray nozzle is provided with a water spray flow channel and a flat end surface arranged around the water spray flow channel, the protrusion is pressed down on the flat end surface and can push the water spray nozzle to tilt and rotate.

[0010] The water outlet device according to the embodiment of the utility model has at least the following beneficial effects: the raised end of the reduction wheel is abutted against the flat end surface of the water spray nozzle for transmission, thereby reducing the friction resistance in the transmission process between the reduction wheel and the water spray nozzle, and when the water pressure rushing into the water flow channel is relatively low, the inclined rotation of the water spray nozzle can also be started through the transmission of the impeller and the reduction wheel.

[0011] According to some embodiments of the utility model, the water flow component includes a first shell and a second shell, the water inlet end is arranged on the first shell, the water outlet end is arranged on the second shell, the first shell is connected to the second shell and the water flow channel is defined therebetween.

[0012] According to some embodiments of the utility model, the interior of the first shell is rotatably connected to the impeller via a rotating shaft, a plurality of first through holes distributed around the rotating shaft are opened on the end of the first shell, the opening direction of the first through holes is toward the blades of the impeller, and the end of the first shell where the first through holes are located is the water inlet end.

[0013] According to some embodiments of the utility model, the interior of the second shell defines an installation cavity and the spherical cavity, the installation cavity is disc-shaped and coaxially connected to the spherical cavity, the diameter of the installation cavity is larger than the diameter of the spherical cavity, a step surface is formed at the transition position between the installation cavity and the spherical cavity, the second tooth surface is arranged on the side wall of the installation cavity, the reduction wheel is placed in the installation cavity and can overlap on the step surface, and the protrusion extends into the spherical cavity.

[0014] According to some embodiments of the utility model, the protrusion is cylindrical and extends from the end surface of the reduction wheel, and the end surface of the protrusion abutting against the flat end surface is set to be an arc surface.

[0015] According to some embodiments of the utility model, a support seat is further included, which is fixed in the water flow channel and located between the impeller and the reduction wheel. The impeller includes a cylindrical main shaft body and a plurality of blades distributed on the circumferential side wall of the main shaft body. The main shaft body is rotatably inserted into the support seat, and the eccentric shaft extends from an eccentric position at the end of the main shaft body.

[0016] According to some embodiments of the utility model, a plurality of second through holes are formed on the reduction wheel, and a plurality of third through holes are formed on the support seat.

[0017] According to some embodiments of the utility model, when the water spray nozzle swings relative to the spherical cavity, the spatial straight line where the water spray direction of the water spray nozzle is located is inclined to the central axis of the water outlet end.

[0018] According to some embodiments of the utility model, it also includes an outer shell, which is provided with a water inlet and a water outlet, a spherical inner cavity is provided between the water inlet and the water outlet, the outer contour of the water passing part is spherical, the water passing part can be slidably installed in the inner cavity, and the water outlet end is directed toward or extends outside the water outlet.

[0019] The shower head according to the second aspect of the present invention includes a water outlet device.

[0020] The shower head according to the embodiment of the utility model has at least the following beneficial effects: the water sprayed by the water spray nozzle has a shower massage effect on the user.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a schematic diagram of the structural breakdown of the water outlet device;

[0024] Figure 2 yes Figure 1 Schematic diagram from another perspective;

[0025] Figure 3 It is a schematic diagram of the internal assembly structure of the water outlet device;

[0026] Figure 4 is a schematic structural diagram of the second shell;

[0027] Figure 5 It is a schematic diagram of the structure of the water outlet device including the housing;

[0028] Figure 6 It is a schematic diagram of the partial meshing of the first tooth surface and the second tooth surface.

[0029] Figure numerals: water flow part 100; water inlet end 110; water outlet end 120; water flow channel 130; second tooth surface 131; spherical cavity 132; first shell 140; rotating shaft 141; first through hole 142; second shell 150; mounting cavity 151; step surface 152; impeller 200; eccentric shaft 210; blades 220; main shaft body 230; reduction wheel 300; first tooth surface 310; protrusion 320; arc surface 321; second through hole 330; water nozzle 400; water flow channel 410; flat end surface 420; support seat 500; third through hole 510; outer shell 600; water inlet 610; water outlet 620; inner cavity 630. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] The utility model relates to a water outlet device, comprising a water passing part 100, an impeller 200, a reduction wheel 300 and a water spray nozzle 400.

[0032] like Figure 1 , Figure 2 and Figure 3 As shown, the water flow member 100 serves as a carrier of the impeller 200, the reduction wheel 300 and the water spray nozzle 400. The interior of the water flow member 100 is hollow to form a water flow channel 130. The two ends of the water flow member 100 serve as the water inlet end 110 and the water outlet end 120. The water flow channel 130 is located between the water inlet end 110 and the water outlet end 120. In the direction shown in the figure, the upper end of the water flow member 100 is the water inlet end 110, the lower end is the water outlet end 120, and the water flow channel 130 extends in the up-down direction. The impeller 200, the reduction wheel 300 and the water spray nozzle 400 are sequentially installed in the water flow channel 130 from top to bottom. The axial direction of the impeller 200 is consistent with the flow direction of the water flow channel 130. The impeller 200 is rotatably installed in the water flow channel 130. External water enters the water flow channel 130 through the water inlet end 110. After entering from the water inlet end 110, the water impacts on the blades 220 of the impeller 200, and the impeller 200 is driven by the water flow to rotate around its own central axis. An eccentric shaft 210 is provided on the impeller 200, and the central axis of the eccentric shaft 210 is parallel to the central axis of the impeller 200 but does not overlap. The eccentric shaft 210 is located at an eccentric position on one end face of the impeller 200 and extends out in a cylindrical shape. The eccentric shaft 210 can also be installed on the impeller 200 as an independent component. The axial direction of the reduction wheel 300 is the same as the axial direction of the impeller 200. A first tooth surface 310 is provided on the circumferential outer wall of the reduction wheel 300. A second tooth surface 131 is provided on the side wall of the water flow channel 130. The installation position of the reduction wheel 300 in the water flow channel 130 is aligned with the second tooth surface 131, that is, the second tooth surface 131 surrounds the first tooth surface 310. The inner diameter of the second tooth surface 131 is larger than the outer diameter of the first tooth surface 310. The eccentric shaft 210 on the impeller 200 is arranged at the central axis position of the reduction wheel 300. The central axis of the reduction wheel 300 does not coincide with the central axis of the impeller 200, and the eccentric wheel can rotate around the eccentric shaft 210. Figure 3 As shown in FIG. 1 , when the impeller 200 rotates, the reduction wheel 300 is driven by the eccentric shaft 210 to rotate around the central axis of the impeller 200 in the space surrounded by the second tooth surface 131. The eccentric shaft 210 will be close to the local position of the second tooth surface 131, and the local position of the first tooth surface 310 will be close to the second tooth surface 131, and, as shown in FIG. Figure 6As shown, a part of the first tooth surface 310 will mesh with a part of the second tooth surface 131. When the impeller 200 rotates, the second tooth surface 131 has a certain resistance to the first tooth surface 310, so that the reduction wheel 300 rotates around the eccentric shaft 210. Since the first tooth surface 310 and the second tooth surface 131 are partially meshed, and the meshing position of the first tooth surface 310 and the second tooth surface 131 is constantly changing with the rotation of the impeller 200, the rotation speed of the reduction wheel 300 relative to the eccentric shaft 210 is much lower than the rotation speed of the impeller 200. The reduction wheel 300 is provided with a protrusion 320, which extends from the end surface of the reduction wheel 300 toward the water outlet end 120, and the protrusion 320 is located at the eccentric position of the reduction wheel 300. A spherical cavity 132 is provided at a position of the water passage 130 near the water outlet end 120, and the spherical cavity 132 serves as a part of the water passage 130. The outer wall of the water spray nozzle 400 is spherical and matches the spherical cavity 132. The water spray nozzle 400 is installed in the spherical cavity 132, and the two are connected by a spherical sliding connection. The inner hollow of the water spray nozzle 400 forms a water spray channel 410. The water spray channel 410 extends along one of the diameters of the water spray nozzle 400. A flat end face 420 is provided on the outer contour of the water spray nozzle 400, and the flat end face 420 is arranged around the water spray channel 410. The flat end face 420 is annular on the water spray nozzle 400, and the water spray channel 410 can be perpendicular to the flat end face 420. The arrangement of the flat end face 420 makes the cross section of the water spray nozzle 400 along the water spray channel 410 be circular. The protrusion 320 of the reduction wheel 300 abuts downward on the flat end surface 420, and the protrusion 320 exerts a downward pressure on the flat end surface 420, so that the water nozzle 400 deflects in the spherical cavity 132, that is, the direction of the water spray channel 410 has a certain deflection angle with the axial direction of the reduction wheel 300. The protrusion 320 rotates with the reduction wheel 300, and the protrusion 320 moves along the flat end surface 420, so that the water nozzle 400 deflects and rotates. Water enters the water flow channel 130 from the water inlet end 110, and passes through the impeller 200, the reduction wheel 300 and the water nozzle 400 in sequence. Water is sprayed toward the water outlet end 120 through the water spray channel 410. Under the driving action of the protrusion 320 of the reduction wheel 300, the water nozzle 400 rotates obliquely relative to the spherical cavity 132, and the space line where the water spraying direction of the water nozzle 400 is located is inclined to the central axis of the water outlet 120, so that the water sprayed from the water spray channel 410 has a conical shape. The end of the protrusion 320 on the reduction wheel 300 is abutted against the flat end surface 420 of the water nozzle 400 to reduce the friction resistance of the transmission process between the reduction wheel 300 and the water nozzle 400. When the water pressure rushing into the water flow channel 130 is relatively low, the oblique rotation of the water nozzle 400 can also be started through the transmission of the impeller 200 and the reduction wheel 300.The protrusion 320 maintains a small area contact with the flat end surface 420. Even if the reduction wheel 300 shakes and causes the protrusion 320 to temporarily leave the flat end surface 420, the water outlet nozzle will not shake too much due to the limiting effect of the spherical cavity 132, thereby ensuring that the water pattern sprayed from the water nozzle 400 is stable.

[0033] In some specific embodiments of the present invention, Figure 1 , Figure 2 and Figure 3 As shown, the water flow member 100 includes a first shell 140 and a second shell 150. The first shell 140 and the second shell 150 can be connected and fixed to each other by means of clamping, bonding, etc. The water inlet end 110 is arranged on the first shell 140, and the water outlet end 120 is arranged on the second shell 150. The water outlet end 120 can be arranged in an open shape. The interior of the first shell 140 and the interior of the second shell 150 jointly define a water flow channel 130. During installation, the impeller 200, the reduction wheel 300, the water nozzle 400 and other components are first installed in the first shell 140 or the second shell 150, and then the first shell 140 and the second shell 150 are assembled.

[0034] The interior of the first housing 140 is rotatably connected to the impeller 200 via a rotating shaft 141. Alternatively, a rotating shaft 141 extends from the inner end face of the first housing 140, and the rotating shaft 141 is coaxially arranged on the impeller 200. The impeller 200 rotates around the rotating shaft 141 after being impacted by water. Alternatively, the rotating shaft 141 is arranged on the impeller 200, and a socket is arranged on the inner end face of the first housing 140, and the rotating shaft 141 is rotatably inserted into the socket. A plurality of first through holes 142 are provided on the end of the first housing 140. In terms of space, each first through hole 142 is distributed around the rotating shaft 141. The opening direction of the first through hole 142 faces the blade 220 of the impeller 200. The first through hole 142 can be a round hole, a strip hole, etc. The first through hole 142 is arranged at an angle to ensure that the external water rushes into the flow passage through each first through hole 142 and then impacts the blade 220 of the impeller 200, thereby driving the impeller 200 to rotate. The position where the first through hole 142 is opened is the water inlet end 110 of the first housing 140.

[0035] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the interior of the second shell 150 defines an installation cavity 151 and a spherical cavity 132. The installation cavity 151 is disc-shaped, and the installation cavity 151 is coaxially connected to the spherical cavity 132. The spherical cavity 132 is closer to the water outlet 120 than the installation cavity 151. One side of the second shell 150 where the installation cavity 151 is located is used to connect with the first shell 140. The inner wall of the installation cavity 151 is provided with a second tooth surface 131. Among them, the inner diameter of the installation cavity 151 is larger than the diameter of the spherical cavity 132, so that a step surface 152 is formed at the transition position between the installation cavity 151 and the spherical cavity 132. The reduction wheel 300 is placed in the installation cavity 151, and one end surface of the reduction wheel 300 overlaps the step surface 152. The protrusion 320 on the reduction wheel 300 extends into the spherical cavity 132 and abuts against the flat end surface 420 of the water nozzle 400. The step surface 152 limits the movement of the reduction wheel 300 in the axial direction toward the spherical cavity 132, that is, limits the lowest point of the protrusion 320 pressing down on the water nozzle 400. Under the impact of the water flow, the reduction wheel 300 can remain overlapped on the step surface 152. Among them, the protrusion 320 is cylindrical and extends from the end face of the reduction wheel 300. The end face of the protrusion 320 abutting on the flat end face 420 is set as an arc surface 321, and the arc surface 321 reduces the contact area with the flat end face 420, and when the flat end face 420 rotates with the water nozzle 400, the arc surface 321 can basically maintain equal area contact with the flat end face 420.

[0036] Furthermore, it also includes a support seat 500. The support seat 500 is fixed in the water flow channel 130 and is located between the impeller 200 and the reduction wheel 300. In this embodiment, the support seat 500 is fixed in the shape of a disc at the port position of the installation cavity 151 close to the first shell 140. The support seat 500 can be fixed in the second shell 150 by interference fit, bonding, or by crimping the periphery of the support seat 500 by the first shell 140. The reduction wheel 300 is located between the support seat 500 and the water nozzle 400. The impeller 200 includes a cylindrical main shaft body 230 and a plurality of blades 220 distributed on the circumferential side wall of the main shaft body 230. The center of the support seat 500 is perforated, and the main shaft body 230 is rotatably penetrated at the center of the support seat 500. The eccentric shaft 210 extends out from the eccentric position of the end of the main shaft body 230. One end of the main shaft body 230 away from the support seat 500 is rotatably connected to the interior of the first housing 140 via a rotating shaft 141. The reduction wheel 300 is provided with a plurality of second through holes 330. The support seat 500 is provided with a plurality of third through holes 510. When water flows in the water passage 130, the water can flow through the second through holes 330 and the third through holes 510, reducing the obstruction to the water flow.

[0037] like Figure 5As shown, it also includes a shell 600. A water inlet 610 and a water outlet 620 are provided on the shell 600. A spherical inner cavity 630 is provided between the water inlet 610 and the water outlet 620. The outer contour shape of the shell 600 is not limited, and can be cylindrical, etc. The outer contour of the water flow member 100 is spherical, and the water flow member 100 can be slidably installed in the inner cavity 630, and the water outlet end 120 is facing or extending outside the water outlet 620. When in use, the water flow member 100 can be directly moved by hand in the inner cavity 630, thereby changing the direction of the water outlet end 120 of the water flow member 100, thereby changing the water spraying direction to meet the user's usage requirements.

[0038] The water outlet device can be applied to various water-using equipment, such as a nozzle, a faucet, etc. The water outlet device of the utility model is applied to a shower head. The water outlet device can be located at the back spray or top spray position of the shower head for use. The water type sprayed by the water nozzle 400 has a shower massage effect on the user.

[0039] In the description of this specification, the description of reference terms such as "some specific embodiments" means 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 utility model. In this specification, the schematic representation 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.

[0040] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A water outlet device, characterized in that: The water flow passage (100) comprises a water flow passage (100), wherein the water flow passage (100) comprises a water inlet end (110) and a water outlet end (120), a water flow passage (130) is defined between the water inlet end (110) and the water outlet end (120), and an impeller (200), a reduction wheel (300) and a water spray nozzle (400) are sequentially installed in the water flow passage (130); in, An eccentric shaft (210) is provided on the impeller (200), and the water inlet end (110) sprays water on the impeller (200) to drive the impeller (200) to rotate around the central axis; The circumferential outer wall of the reduction wheel (300) is provided with a first tooth surface (310), the side wall of the water flow channel (130) is provided with a second tooth surface (131), the eccentric shaft (210) is rotatably connected to the center axis of the reduction wheel (300), the second tooth surface (131) surrounds the first tooth surface (310) and the two can be partially meshed, and a protrusion (320) is provided at the eccentric position of the reduction wheel (300); A spherical cavity (132) is provided at a position of the water flow channel (130) close to the water outlet end (120); the water spray nozzle (400) is installed at the spherical cavity (132) and the two are spherically connected; the water spray nozzle (400) is provided with a water spray flow channel (410) and a flat end surface (420) arranged around the water spray flow channel (410); the protrusion (320) is pressed down on the flat end surface (420) and can push the water spray nozzle (400) to tilt and rotate.

2. The water outlet device according to claim 1, characterized in that: The water flow member (100) comprises a first shell (140) and a second shell (150); the water inlet end (110) is arranged on the first shell (140), the water outlet end (120) is arranged on the second shell (150), the first shell (140) and the second shell (150) are connected and define the water flow channel (130) therebetween.

3. The water outlet device according to claim 2, characterized in that: The interior of the first shell (140) is rotatably connected to the impeller (200) via a rotating shaft (141); a plurality of first through holes (142) distributed around the rotating shaft (141) are provided on the end of the first shell (140); the opening direction of the first through holes (142) is oriented toward the blades (220) of the impeller (200); and the end of the first shell (140) where the first through holes (142) are located is the water inlet end (110).

4. The water outlet device according to claim 2, characterized in that: The interior of the second housing (150) defines a mounting cavity (151) and the spherical cavity (132); the mounting cavity (151) is disc-shaped and is coaxially connected to the spherical cavity (132); the diameter of the mounting cavity (151) is larger than the diameter of the spherical cavity (132); a step surface (152) is formed at a transition position between the mounting cavity (151) and the spherical cavity (132); the second tooth surface (131) is arranged on a side wall of the mounting cavity (151); the reduction wheel (300) is placed in the mounting cavity (151) and can overlap the step surface (152); and the protrusion (320) extends into the spherical cavity (132).

5. The water outlet device according to claim 1, characterized in that: The protrusion (320) is cylindrical and extends from the end surface of the reduction wheel (300); the end surface of the protrusion (320) abutting against the flat end surface (420) is configured as a curved surface (321).

6. The water outlet device according to claim 1, characterized in that: It also includes a support seat (500), the support seat (500) is fixed in the water flow channel (130) and is located between the impeller (200) and the reduction wheel (300), the impeller (200) includes a cylindrical main shaft body (230) and a plurality of blades (220) distributed on the circumferential side wall of the main shaft body (230), the main shaft body (230) is rotatably inserted into the support seat (500), and the eccentric shaft (210) extends out from an eccentric position at the end of the main shaft body (230).

7. The water outlet device according to claim 6, characterized in that: The reduction wheel (300) is provided with a plurality of second through holes (330), and the support seat (500) is provided with a plurality of third through holes (510).

8. The water outlet device according to claim 1, characterized in that: When the water spray nozzle (400) swings relative to the spherical cavity (132), the spatial straight line where the water spray direction of the water spray nozzle (400) is located is inclined to the central axis of the water outlet end (120).

9. The water outlet device according to claim 1, characterized in that: The invention also comprises a shell (600), wherein the shell (600) is provided with a water inlet (610) and a water outlet (620), wherein a spherical inner cavity (630) is provided between the water inlet (610) and the water outlet (620), wherein the outer contour of the water passing member (100) is spherical, and the water passing member (100) is slidably mounted in the inner cavity (630), and the water outlet end (120) faces toward or extends out of the water outlet (620).

10. A shower head, characterized in that: It comprises the water outlet device according to any one of claims 1 to 9.

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