Water channel switching device and water outlet device

Abstract

The present invention discloses a water channel switching device and a water outlet device. The water outlet device comprises a water channel switching device, a hand-held shower head and a head shower head, the water channel switching device comprises a valve body part and a switching shaft relatively movably connected to the valve body part, the valve body part is provided with a water inlet and at least three water outlets, the at least three water outlets can be controlled to switch and connect to the water inlet through the movement of the switching shaft, the head shower head is provided with at least two water outlet units, the hand-held shower head and the at least two water outlet units are respectively connected to the at least three water outlets.

Description

Technical Field

[0001] The invention relates to the field of bathrooms, and in particular to a water channel switching device and a water outlet device. Background Art

[0002] The existing water circuit switching device includes a valve body part and a switching shaft connected to the valve body part in a relatively rotatable manner. The valve body part is provided with a water inlet and at least two water outlets, each water outlet is equipped with a water outlet hole, a water diversion cavity that can be connected to the water inlet is provided in the switching shaft, and the switching shaft is provided with a water diversion hole that penetrates inside and outside. The water outlet holes of at least two water outlets are switched and connected to the water diversion hole by rotating the switching shaft to realize water circuit switching. The water diversion hole needs to cooperate with the water outlet holes of all water outlets, and the layout of the water outlet is limited, resulting in a complex structure and a large space occupied. There is a technical solution in the prior art, in which the switching shaft of the technical solution is provided with two water diversion holes, the two water diversion holes are arranged in the same direction relative to the axis of the switching shaft, and the axis is spaced apart, and each water outlet is also provided with two water outlet holes arranged in the same direction and the axis is spaced apart, and the two water diversion holes and the two water outlet holes are respectively matched; in the technical solution, each water diversion hole is essentially still matched with a water outlet hole of all water outlets, and there is still a problem that the layout of the water outlet is limited, resulting in a complex structure and a large space occupied. Summary of the invention

[0003] The present invention provides a waterway switching device and a water outlet device, which overcome the shortcomings of the waterway switching device in the background technology.

[0004] One of the technical solutions adopted by the present invention to solve its technical problem is:

[0005] A waterway switching device comprises a valve body part and a switching shaft connected to the valve body part so as to be relatively rotatable. The valve body part is provided with a water inlet, a first water outlet and a second water outlet. A water diversion cavity which can be connected to the water inlet is provided in the switching shaft. The switching shaft is provided with a first water diversion hole and a second water diversion hole which penetrate inside and outside and respectively cooperate with the first water outlet and the second water outlet. In a projection along the rotation axis of the switching shaft, the first water diversion hole and the second water diversion hole are arranged circumferentially relative to the rotation axis of the switching shaft. In a projection along the vertical rotation axis of the switching shaft, the first water diversion hole and the second water diversion hole are arranged along the rotation axis of the switching shaft.

[0006] In a projection along the rotation axis of the switching shaft, the first water diversion hole and the second water diversion hole are arranged with an interval in the circumferential direction relative to the rotation axis of the switching shaft.

[0007] In a projection along the vertical rotation axis of the switching shaft, the first water diversion hole and the second water diversion hole are arranged at intervals along the rotation axis of the switching shaft.

[0008] The valve body is provided with at least two first water outlets, and the first water diversion hole cooperates with the at least two first water outlets.

[0009] It also includes an operating member, which is transmission-connected to the switching shaft.

[0010] The valve body part includes a valve body and a valve cover, the valve body is recessed with an installation cavity, and the valve cover is sealed and fixed to the cavity opening of the installation cavity; the end surface of the first end of the switching shaft is recessed with a groove, and the groove constitutes the above-mentioned water-dividing cavity; the switching shaft is installed in the installation cavity and the notch of the groove is in the same direction as the cavity opening of the installation cavity; the water inlet path includes a water-passing cavity formed between the end surface of the first end of the switching shaft and the valve cover and a water-passing path arranged in the valve body and leading from the valve body to the water-passing cavity.

[0011] The cavity opening of the installation cavity is provided with an expanded hole, and the expanded hole forms a step surface. The outer peripheral edge of the first end of the switching shaft extends outward to form an annular convexity, and the annular convexity is supported against the step surface.

[0012] The terminal end of the water passage is located on the step surface.

[0013] It also includes an operating member. The installation cavity is set through the valve body. The installation cavity also has a cavity tail relative to the cavity opening of the installation cavity. The second end of the switching shaft extends out of the cavity tail. The operating member is transmission-connected to the second end of the switching shaft.

[0014] It also includes a sealing gasket, which is relatively fixedly arranged with the valve body part, and the sealing gasket is provided with a first water outlet and a second water outlet respectively corresponding to the first water outlet and the second water outlet, and the outer peripheral wall of the switching shaft is in sealing contact with the sealing gasket.

[0015] The second technical solution adopted by the present invention to solve its technical problem is:

[0016] A water circuit switching device comprises a valve body part and a switching shaft which can be relatively rotatably connected to the valve body part, the valve body part is provided with a water inlet and at least two water outlets, the switching shaft is provided with a water diversion chamber which can be connected to the water inlet, the switching shaft is provided with a water diversion hole which penetrates inside and outside, and at least two water outlets can be controlled to switch and connect to the water diversion chamber through the movement of the switching shaft; the valve body part comprises a valve body and a valve cover, the valve body is recessed with an installation chamber, and the valve cover is sealed and fixed to the cavity opening of the installation chamber; the end surface of the first end of the switching shaft is recessed with a groove, and the groove constitutes the above-mentioned water diversion chamber; the switching shaft is mounted in the installation chamber and the notch of the groove is in the same direction as the cavity opening of the installation chamber; the water inlet comprises a water passing chamber formed between the first end of the switching shaft and the valve cover, and a water passing passage which is provided in the valve body and leads from the valve body to the water passing chamber.

[0017] The third technical solution adopted by the present invention to solve the technical problem is:

[0018] A water outlet device comprises a water channel switching device, a handheld showerhead and a head showerhead, wherein the water channel switching device comprises a valve body portion and a switching shaft relatively movably connected to the valve body portion, wherein the valve body portion is provided with a water inlet and at least three water outlets, wherein the at least three water outlets can be switched and connected to the water inlet through the movement of the switching shaft, wherein at least two water outlet units are provided in the head showerhead, and the handheld showerhead and the at least two water outlet units are respectively connected to the at least three water outlets.

[0019] Compared with the background technology, this technical solution has the following advantages:

[0020] The switching shaft is provided with a first water diversion hole and a second water diversion hole. The first water outlet can switch the water diversion chamber through the first water diversion hole, or / and the second water outlet switches the water diversion chamber through the second water diversion hole by rotating the switching shaft. In the projection along the rotation axis of the switching shaft, the first water diversion hole and the second water diversion hole are arranged circumferentially relative to the rotation axis of the switching shaft. In the projection along the vertical rotation axis of the switching shaft, the first water diversion hole and the second water diversion hole are arranged along the rotation axis of the switching shaft. The layout of the water diversion holes makes the layout design of the water outlet more flexible and the structure of the entire water channel switching device more compact.

[0021] The valve body is provided with at least two first water outlets, the first water diversion hole cooperates with the at least two first water outlets, one water diversion hole cooperates with at least two water outlets, and different water diversion holes cooperate with different water outlets, which are combined together, with reasonable layout and compact structure.

[0022] The valve body part includes a valve body and a valve cover. The valve body is recessed with an installation cavity, and the valve cover is sealed and fixed to the cavity opening of the installation cavity. The end face of the first end of the switching shaft is recessed with a groove, and the groove constitutes the above-mentioned water-dividing cavity. The switching shaft is installed in the installation cavity and the notch of the groove is in the same direction as the cavity opening of the installation cavity. The water inlet path includes a water-passing cavity formed between the end face of the first end of the switching shaft and the valve cover and a water-passing path arranged in the valve body and leading from the valve body to the water-passing cavity. It has a compact structure, adopts axial sealing, has good sealing performance, saves effort during switching, and is convenient to switch.

[0023] The water outlet device includes a water channel switching device, a handheld shower and a head shower. The valve body is provided with a water inlet and at least three water outlets. The at least three water outlets can be controlled to switch and connect to the water inlet through the movement of the switching shaft. At least two water outlet units are provided in the head shower. The handheld shower and the at least two water outlet units are respectively connected to the at least three water outlets. The head shower can produce at least two kinds of water splashes. The water channel switching device can not only switch the handheld shower and the head shower, but also switch at least two kinds of water splashes of the head shower. The operation is convenient and the water splashes are diversified.

[0024] The cavity opening of the installation cavity is provided with an expanded hole, and a step surface is formed in the expanded hole. The outer peripheral edge of the first end of the switching shaft extends outward to form a ring convex, and the ring convex is supported on the step surface, so the structure is compact and easy to assemble.

[0025] The end of the water passage is located on the step surface, with a compact structure and reasonable layout.

[0026] The installation cavity runs through the valve body, and the installation cavity also has a cavity tail relative to the cavity opening of the installation cavity. The second end of the switching shaft extends out of the cavity tail, and the operating member is transmission-connected to the second end of the switching shaft. The structure is compact, the layout is reasonable, and the assembly is convenient.

[0027] The sealing gasket and the valve body are relatively fixedly arranged, and the sealing gasket is provided with a first water outlet and a second water outlet respectively corresponding to the first water outlet and the second water outlet. The outer peripheral wall of the switching shaft is in sealing contact with the sealing gasket, and the sealing performance is good. Moreover, the switching is labor-saving and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] Figure 1 It is a three-dimensional schematic diagram of a waterway switching device according to a specific implementation method.

[0030] Figure 2 It is a three-dimensional exploded schematic diagram of a waterway switching device according to a specific implementation method.

[0031] Figure 3 2 is a three-dimensional schematic diagram of a valve body according to a specific embodiment.

[0032] Figure 4 2 is a three-dimensional schematic diagram of a sealing gasket according to a specific embodiment.

[0033] Figure 5 It is a three-dimensional schematic diagram of a switching shaft according to a specific implementation method.

[0034] Figure 6 It is a structural side view of a waterway switching device according to a specific embodiment.

[0035] Figure 7 It is one of the cross-sectional schematic diagrams of the waterway switching device in a specific implementation mode. At this time, the waterway switching device is in the first switching state, and the arrow in the figure indicates the direction of water flow.

[0036] Figure 8 This is the second cross-sectional schematic diagram of the waterway switching device in a specific implementation manner. At this time, the waterway switching device is in the first switching state, and the arrows in the figure indicate the direction of water flow.

[0037] Fig. 9 It is one of the cross-sectional schematic diagrams of the waterway switching device in a specific implementation mode. At this time, the waterway switching device is in the second switching state, and the arrow in the figure indicates the direction of water flow.

[0038] Fig.10 This is the second cross-sectional schematic diagram of the waterway switching device in the specific implementation mode. At this time, the waterway switching device is in the second switching state, and the arrows in the figure indicate the direction of water flow.

[0039] Fig.11 It is one of the cross-sectional schematic diagrams of the waterway switching device in a specific implementation mode. At this time, the waterway switching device is in the third switching state, and the arrow in the figure indicates the direction of water flow.

[0040] Fig.12 This is the second cross-sectional schematic diagram of the waterway switching device in a specific implementation method. At this time, the waterway switching device is in the third switching state, and the arrows in the figure indicate the direction of water flow.

[0041] Fig.13 It is one of the cross-sectional schematic diagrams of the waterway switching device in a specific implementation mode. At this time, the waterway switching device is in the fourth switching state, and the arrows in the figure indicate the direction of water flow.

[0042] Fig.14 This is the second cross-sectional schematic diagram of the waterway switching device in a specific implementation manner. At this time, the waterway switching device is in the fourth switching state, and the arrows in the figure indicate the direction of water flow. DETAILED DESCRIPTION

[0043] Waterway switching device, please refer to Figures 1 to 14 , includes a valve body portion 10, a switching shaft 20 connected to the valve body portion 10 so as to be relatively rotatable, and an operating member 30.

[0044] The valve body part 10 is provided with a water inlet 11, a first water outlet 12, 13 and a second water outlet 14. The switching shaft 20 is provided with a water diversion chamber 21 which can be connected to the water inlet 11, and the circumferential wall of the switching shaft 20 is provided with a first water diversion hole 22 and a second water diversion hole 23 which penetrate inside and outside and respectively cooperate with the first water outlet 12, 13 and the second water outlet 14. In the projection along the rotation axis of the switching shaft 20, the first water diversion hole 22 and the second water diversion hole 23 are arranged circumferentially with respect to the rotation axis of the switching shaft 20, and in the projection along the vertical rotation axis of the switching shaft 20, the first water diversion hole 22 and the second water diversion hole 23 are arranged with intervals along the direction of the rotation axis of the switching shaft. Preferably, there are two first water diversion holes 22. The valve body part is provided with two first water outlets 12, 13, and the first water diversion hole 22 cooperates with the at least two first water outlets 12, 13. The operating member 30 is transmission-connected to the switching shaft 20 so as to drive the switching shaft 20 to rotate relative to the valve body part 20 to achieve switching.

[0045] The valve body part 10 includes a valve body 15 and a valve cover 16, the valve body 15 is recessed with an installation cavity 151, the cavity opening of the installation cavity 151 is provided with an expansion hole 152, the expansion hole 152 is formed with a step surface, and the valve cover 16 is sealed and fixed to the cavity opening of the installation cavity 151; the end surface of the first end of the switching shaft 20 is recessed with a groove, and the groove constitutes the above-mentioned water-dividing cavity 21; the switching shaft 20 is assembled in the installation cavity 151 and the notch of the groove is in the same direction as the cavity opening of the installation cavity 151, the outer peripheral edge of the first end of the switching shaft 20 extends outward to form an annular protrusion 24, and the annular protrusion 24 is supported on the step surface; the water inlet path 11 includes a water passage cavity 111 formed between the end surface of the first end of the switching shaft 20 and the valve cover 16, and a water passage 112 provided in the valve body 15 and led from the outside of the valve body 15 to the water passage cavity 111, and the end of the water passage 112 is located on the step surface.

[0046] Preferably, a sealing gasket 40 is further included, the sealing gasket 40 is fixed against the inner wall of the installation cavity 151, the sealing gasket 40 and the valve body portion 10 are relatively fixedly arranged, the sealing gasket 40 is provided with first water openings 41, 42 and second water openings 43 respectively corresponding to the first water outlets 12, 13 and the second water outlet 14, and the outer peripheral wall of the switching shaft 20 is in sealing contact with the sealing gasket 40. The sealing gasket 40 is an arc structure, and the arc structure of the sealing gasket 40 is preferably a cylindrical structure, and the axis of the sealing gasket 40 is coaxial with the rotation axis of the switching shaft 20, which can reduce friction. The first water openings 41 and 42 are arranged at intervals in the circumferential direction, and preferably, there are two first water openings 41 and 42 respectively; in the projection along the rotation axis of the switching shaft 20, the second water opening 43 and the first water openings 41, 42 are arranged at intervals in the circumferential direction, and in the projection along the rotation axis perpendicular to the switching shaft 20, the second water opening 43 and the first water openings 41, 42 are arranged at intervals in the direction of the rotation axis of the switching shaft.

[0047] In this specific embodiment: the installation cavity 151 is set through the valve body 15, and the installation cavity 151 also has a cavity tail relative to the cavity opening of the installation cavity 151, and the inner diameter of the cavity tail is smaller than the inner diameter of the installation cavity 151. The switching shaft 20 is adapted to the structure of the installation cavity 151 and the cavity tail, and the second end of the switching shaft 20 extends out of the cavity tail. The operating member 30 is transmission-connected to the second end of the switching shaft 20, and the transmission connection is such as fixed connection. The operating member 30 is also equipped with a positioning block 31, and the positioning block 31 covers the cavity tail of the installation cavity 151. The positioning block, the operating member and the switching shaft are relatively fixed together, and the operating member is such as a handle.

[0048] As needed, in order to facilitate user switching and enhance the user's switching feel, a positioning mechanism is provided on the valve body 15 and a plurality of positioning grooves 32 recessed in the positioning block 31. The positioning mechanism includes a spring 61 and a positioning pin 62 pushed against by the spring 61. The positioning pin 62 can be adapted to be inserted into a certain positioning groove 32. The positioning pin can be inserted into different positioning grooves by switching the shaft to different switching states.

[0049] As required, the waterway switching device is also provided with a mounting structure, which includes a nut 171, a spherical washer 172, a ball head 173 and a bushing 174. The valve body 15 is provided with a connection seat 153, the inner hole of the connection seat 153 is the entrance of the waterway 112, the outer wall of the connection seat 153 is provided with an external thread, the spherical washer 172 is provided in the connection seat 153, the ball head 173 is partially assembled in the connection seat 151 and adapted to connect the spherical washer 172, the bushing 174 is sleeved on the outside of the ball head 173, the nut 171 cooperates with the bushing 174 and is threadedly connected to the connection seat 153, so as to assemble the ball head and the connection seat 153 together, and the water from the water supply source flows into the connection seat 153 through the inner hole of the ball head 173. As required, the inner hole of the ball head can also be provided with a filter gasket 175 and a water-saving sheet 176.

[0050] The water channel switching device of this embodiment can be equipped with a handheld shower and a head shower. The head shower is provided with two water outlet units, which are head water outlet 1 and head water outlet 2 (head water outlet 1 and head water outlet 2 have different water sprays). The handheld shower is connected to a first water outlet waterway 12, the head water outlet 1 is connected to another first water outlet waterway 13, and the head water outlet 2 is connected to a second water outlet waterway 14.

[0051] The waterway switching device of this embodiment:

[0052] 1. The initial state (such as the first switching state) is the hand-held showerhead water outlet state. At this time, the first water diversion hole 22 on the switching shaft 20 is connected to the first water outlet path (hand-held showerhead water inlet hole) on the valve body 15, so the hand-held showerhead water outlets; 2. The operating member is rotated by a predetermined angle (such as 45 degrees) to achieve mixed water outlet (second switching state, hand-held showerhead + head water outlet one water outlet). At this time, the first water diversion hole on the switching shaft is connected to the two first water outlet paths (hand-held showerhead water inlet hole, head water outlet one water inlet hole) on the valve body, and head water outlet one and hand-held showerhead water outlet, so mixed water outlet; 3. The operating member is rotated by a predetermined angle to achieve head water outlet one water outlet (third switching state). At this time, the first water outlet hole on the switching shaft is connected to the head water outlet one water inlet hole on the valve body, so the head water outlet one water outlet; 4. The operating member is rotated to achieve head water outlet two water outlet (fourth switching state). At this time, the second water diversion hole on the switching shaft is connected to the head water outlet two water inlet holes on the valve body, so the head water outlet two water outlets.

[0053] In this embodiment, the first water diversion holes are provided with two, and the two first water diversion holes are arranged in the same circumferential direction relative to the axis of the switching shaft and are arranged at intervals along the axis of the switching shaft; each first water diversion channel includes two first water inlet holes, and the two first water inlet holes of each first water diversion channel are arranged in the same circumferential direction relative to the axis of the switching shaft and are arranged at intervals along the axis of the switching shaft; similarly, the sealing gasket is also provided with two first water holes. The center angle of the first water diversion hole is greater than the center angle of the second water diversion hole.

[0054] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope of the present invention.

Claims

1. A waterway switching device, characterized in that: The invention comprises a valve body part and a switching shaft connected to the valve body part so as to be relatively rotatable. The valve body part is provided with a water inlet, a first water outlet and a second water outlet. The switching shaft is provided with a water dividing cavity which can be connected to the water inlet. The switching shaft is provided with a first water dividing hole and a second water dividing hole which penetrate inside and outside and respectively match the first water outlet and the second water outlet. In the projection along the rotation axis of the switching shaft, the first water dividing hole and the second water dividing hole are arranged circumferentially relative to the rotation axis of the switching shaft. In the projection along the vertical rotation axis of the switching shaft, the first water dividing hole and the second water dividing hole are arranged along the rotation axis of the switching shaft. The valve body part At least two first water outlets are provided, the first water diversion hole cooperates with the at least two first water outlets, and the water inlets of the at least two first water outlets are circumferentially spaced; the valve body part includes a valve body and a valve cover, the valve body is recessed with an installation cavity, and the valve cover is sealed and fixed to the cavity opening of the installation cavity; the end surface of the first end of the switching shaft is recessed with a groove, and the groove constitutes the above-mentioned water diversion cavity; the switching shaft is assembled in the installation cavity and the notch of the groove is in the same direction as the cavity opening of the installation cavity; the water inlet includes a water passage cavity formed between the end surface of the first end of the switching shaft and the valve cover, and a water passage provided in the valve body and leading from the valve body to the water passage cavity.

2. The waterway switching device according to claim 1, characterized in that: In the projection along the rotation axis of the switching shaft, the first water diversion hole and the second water diversion hole are arranged with an interval in the circumferential direction relative to the rotation axis of the switching shaft.

3. The waterway switching device according to claim 1, characterized in that: In a projection along the vertical rotation axis of the switching shaft, the first water diversion hole and the second water diversion hole are arranged at intervals along the rotation axis of the switching shaft.

4. The waterway switching device according to claim 1, characterized in that: It also includes an operating member, which is transmission-connected to the switching shaft.

5. The waterway switching device according to claim 1, 2 or 3, characterized in that: The cavity opening of the installation cavity is provided with an expanded hole, and the expanded hole forms a step surface. The outer peripheral edge of the first end of the switching shaft extends outward to form an annular convexity, and the annular convexity is supported on the step surface.

6. The waterway switching device according to claim 5, characterized in that: The terminal end of the water passage is located on the step surface.

7. The waterway switching device according to claim 1, 2 or 3, characterized in that: It also includes an operating member. The installation cavity is set through the valve body. The installation cavity also has a cavity tail relative to the cavity opening of the installation cavity. The second end of the switching shaft extends out of the cavity tail. The operating member is transmission-connected to the second end of the switching shaft.

8. The waterway switching device according to claim 1, 2 or 3, characterized in that: It also includes a sealing gasket, which is relatively fixedly arranged with the valve body part, and the sealing gasket is provided with a first water outlet and a second water outlet respectively corresponding to the first water outlet and the second water outlet, and the outer peripheral wall of the switching shaft is in sealing contact with the sealing gasket.

9. Waterway switching device, characterized in that: The invention comprises a valve body part and a switching shaft which can be relatively rotatably connected in the valve body part, the valve body part is provided with a water inlet and at least two water outlets, the switching shaft is provided with a water diversion chamber which can be connected to the water inlet, the switching shaft is provided with a water diversion hole which penetrates inside and outside, the water diversion hole cooperates with the at least two water outlets, the water inlets of the at least two water outlets are circumferentially spaced, and at least the at least two water outlets can be controlled to switch and connect to the water diversion chamber through the movement of the switching shaft; the valve body part comprises a valve body and a valve cover, the valve body is recessed with an installation chamber, the valve cover is sealed and fixedly connected to the cavity opening of the installation chamber; the end surface of the first end of the switching shaft is recessed with a groove, the groove constitutes the above-mentioned water diversion chamber; the switching shaft is mounted in the installation chamber and the notch of the groove is in the same direction as the cavity opening of the installation chamber; the water inlet comprises a water passing chamber formed between the first end of the switching shaft and the valve cover and a water passing passage which is provided in the valve body and leads from the valve body to the water passing chamber.

10. A water outlet device, including a water channel switching device, a hand shower and a head shower, characterized in that: The water channel switching device comprises a valve body part and a switching shaft which can be relatively movably connected to the valve body part. The valve body part is provided with a water inlet and at least three water outlets. The at least three water outlets can be switched to connect to the water inlet through the movement of the switching shaft. At least two water outlet units are provided in the head shower. The hand-held shower and the at least two water outlet units are respectively connected to the at least three water outlets. The at least three water outlets include at least two first water outlets. The switching shaft is provided with a first water diversion hole which runs through the inside and outside. The first water diversion hole cooperates with the at least two first water outlets. At least two first water outlets, and the water inlets of at least two first water outlets are circumferentially spaced; the valve body part includes a valve body and a valve cover, the valve body is recessed with an installation cavity, and the valve cover is sealed and fixed to the cavity opening of the installation cavity; the end surface of the first end of the switching shaft is recessed with a groove, and the groove constitutes the above-mentioned water-dividing cavity; the switching shaft is mounted in the installation cavity and the notch of the groove is in the same direction as the cavity opening of the installation cavity; the water inlet includes a water-passing cavity formed between the end surface of the first end of the switching shaft and the valve cover, and a water-passing path provided in the valve body and leading from the valve body to the water-passing cavity.

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