Switching valve and water outlet device

Abstract

The present invention discloses a switching valve and a water outlet device thereof. The fixed part of the valve is provided with a water inlet channel and at least two water outlet channels, one of which is sleeved in the water inlet channel; the rotating water-dividing part is rotatably mounted in the fixed part of the valve, and is provided with at least two water-dividing holes and at least two water-dividing channels, each of which is connected with one of the water outlet channels; the water inlet channel and the water outlet channel sleeved in the water inlet channel are both coaxially arranged with the rotating water-dividing part; the switching shaft of the switching drive assembly is connected to the rotating water-dividing part in a transmission manner. Since one of the water outlet channels is sleeved in the water inlet channel, the water outlet channel does not occupy the waterway space of the switching valve, and the size of the switching valve can be made smaller; at the same time, the water inlet channel and the water outlet channel sleeved in the water inlet channel are both coaxially arranged with the rotating water-dividing part, so that the switching force required for the rotation of the rotating water-dividing part is small, and the hand feeling is better.

Description

Technical Field

[0001] The invention relates to a switching valve and a water outlet device thereof. Background Art

[0002] The existing switching valve requires separate waterways for both the water inlet and outlet, and the waterway space is large, which makes the size of the entire switching valve large and the structure complex. In addition, the switching method is not convenient enough. Summary of the invention

[0003] The present invention provides a switching valve and a water outlet device thereof, which overcomes the shortcomings of the background technology. One of the technical solutions adopted by the present invention to solve the technical problem is:

[0004] Switching valve, comprising:

[0005] A valve fixing part, which is provided with a water inlet channel and at least two water outlet channels, wherein one of the water outlet channels is sleeved in the water inlet channel;

[0006] The rotating water-dividing part is rotatably mounted in the valve fixing part, and is provided with at least two water-dividing holes and at least two water-dividing channels corresponding to the water-dividing holes, and each water-dividing channel is respectively connected to one of the water outlet channels;

[0007] The water inlet channel and the water outlet channel sleeved in the water inlet channel are coaxially arranged with the rotating water dividing part;

[0008] A switching drive assembly at least includes a switching shaft, which is transmission-connected to the rotating water-dividing part and extends laterally out of the valve fixing part. The rotating switching shaft drives the rotating water-dividing part to rotate so that the water inlet channel is switched on or connected to the first water-dividing hole and the second water-dividing hole at the same time, thereby switching the first water outlet channel and the second water outlet channel to discharge water or discharge water at the same time.

[0009] In a preferred embodiment: the rotating water-dividing part includes a water-dividing plate and a water-dividing body fixedly connected above and below, the water-dividing hole is opened in the water-dividing plate, the water-dividing channel connected to the water-outlet channel sleeved in the water-inlet channel is opened in the water-dividing plate, and the remaining water-dividing channels are opened in the water-dividing body.

[0010] In a preferred embodiment: the water diversion channel outlet connected to the water outlet channel sleeved in the water inlet channel is opened at the center of the top surface of the water diversion plate, and one of the other water diversion channel outlets is opened at the center of the bottom surface of the water diversion body; the water diversion holes are arranged in a ring-shaped interval along the center of the water diversion plate.

[0011] In a preferred embodiment: a sealing gasket is provided at the end of the water inlet channel, and the bottom surface of the sealing gasket is provided with at least two sealing openings connected to the water inlet channel, and the rotating water diversion part rotates to make the sealing openings and the water diversion holes aligned and connected or staggered and sealed.

[0012] In a preferred embodiment: the top surface of the water dividing plate is provided with a plurality of gear grooves arranged in an annular manner, the valve fixing part is provided with a gear pin and a gear elastic part, both ends of the gear elastic part are against the gear pin and the valve fixing part, and the gear pin is switched and coordinated with the plurality of gear grooves.

[0013] In a preferred embodiment: the rotating water-dividing part is provided with a transversely arranged fixing hole, the switching shaft is fixedly connected to the fixing hole and its head end extends out of the rotating water-dividing part.

[0014] In a preferred embodiment: the valve fixing part is provided with an arc groove arranged transversely for making way for the switching shaft, and the head end of the switching shaft passes through the arc groove and extends out of the valve fixing part.

[0015] In a preferred embodiment: the arc length of the arc groove is not less than the rotation stroke of the switching shaft.

[0016] In a preferred embodiment: the switching drive assembly further comprises a rotating sleeve, which is rotatably sleeved outside the valve fixing part and is drivingly connected to the switching shaft.

[0017] In a preferred embodiment: the inner wall of the rotating sleeve is provided with a longitudinally extending limiting groove, and the head end of the switching shaft extends into the limiting groove.

[0018] The second technical solution adopted by the present invention to solve its technical problem is: a water outlet device using the switching valve described in any one of the above items, the water outlet device is provided with the switching valve, the water outlet device also includes at least two water outlet terminals, and the water outlet channels are connected to the water outlet terminals one by one.

[0019] In a preferred embodiment: the water outlet terminals are provided with two and are respectively a handheld shower and a shower head, and the water outlet channels are provided with two; the water outlet nozzle of the handheld shower and the water outlet nozzle of the shower head are respectively connected to the two water outlet channels; the switching valve is installed near one of the water outlet terminals.

[0020] Compared with the background technology, this technical solution has the following advantages:

[0021] 1. Since one of the water outlet channels is sleeved in the water inlet channel, the water outlet channel does not occupy the water channel space of the switching valve, so the size of the switching valve can be made smaller; at the same time, the water inlet channel and the water outlet channel sleeved in the water inlet channel are coaxially arranged with the rotating water dividing part, so that the switching force required for the rotation of the rotating water dividing part is smaller, and the use feel is better.

[0022] 2. The outlet of the water diversion channel connected to the water outlet channel sleeved in the water inlet channel is opened at the center of the top surface of the water diversion plate, so that the outlet of the water diversion channel corresponds to the inlet of the water outlet channel sleeved in the water inlet channel, ensuring that the two are always connected.

[0023] 3. The arc length of the arc groove is the same as the rotation stroke of the switching shaft, so that the arc groove can limit the stroke of the switching shaft.

[0024] 4. The rotating sleeve is connected to the outside of the fixed part of the valve and is connected to the switching shaft. The switching shaft can be driven to rotate by holding the rotating sleeve. The rotating force surface of the rotating sleeve is large, and the switching is smoother.

[0025] 5. The head end of the switching shaft extends into the limiting groove, and the switching shaft is driven to rotate synchronously in the circumferential direction through the groove wall of the limiting groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] Figure 1 A front schematic diagram of a switching valve according to a preferred embodiment is depicted.

[0028] Figure 2 A three-dimensional exploded schematic diagram of a switching valve according to a preferred embodiment is depicted.

[0029] Figure 3 A cross-sectional view of a switching valve according to a preferred embodiment is shown.

[0030] Figure 4 A schematic structural diagram of a sealing gasket is shown.

[0031] Figure 5 A schematic structural diagram of the rotating water separation part is shown.

[0032] Figure 6 One of the cross-sectional schematic diagrams of the rotating water separation part is drawn.

[0033] Figure 7 A second cross-sectional schematic diagram of the rotating water-dividing part is shown.

[0034] Figure 8 One of the cross-sectional schematic diagrams of the switching valve is depicted, at which time water is flowing out of the first water outlet channel.

[0035] Fig. 9 A second cross-sectional schematic diagram of the switching valve is shown, in which the first water outlet channel and the second water outlet channel simultaneously discharge water.

[0036] Fig.10 The third cross-sectional schematic diagram of the switching valve is shown, and water is flowing out of the second water outlet channel at this time.

[0037] Fig.11 A three-dimensional exploded view of the water outlet device is shown.

[0038] Fig.12 A schematic diagram showing the water discharge status of a shower head of a water discharge device is shown.

[0039] Fig.13 A schematic diagram is drawn showing the state where the shower head and the hand shower of the water outlet device are discharging water at the same time.

[0040] Fig.14 A schematic diagram showing the water discharge state of a handheld showerhead of a water discharge device is depicted. DETAILED DESCRIPTION

[0041] Please refer to Figures 1 to 10 A preferred embodiment of a switching valve comprises a valve fixing part, a rotating water dividing part and a switching driving assembly.

[0042] The valve fixing part is provided with a water inlet channel 11 and at least two water outlet channels, wherein one of the water outlet channels is sleeved in the water inlet channel 11 .

[0043] In this embodiment, Figure 2 and Figure 3 As shown, the valve fixing part includes a valve body 10, a fixing seat 20, and a water outlet joint 30. The fixing seat 20 is located in the valve body 10, and the rotating water dividing part is located between the fixing seat 20 and the water outlet joint 30. The fixing seat 20 and the rotating water dividing part are limited in the valve body 10 by the screw connection between the water outlet joint 30 and the valve body 10. There are two water outlet channels, which are respectively defined as a first water outlet channel 12 and a second water outlet channel 13. The water inlet channel 11 and the first water outlet channel 12 are both opened in the fixing seat 20, and the first water outlet channel 12 is located in the water inlet channel 11, and the second water outlet channel 13 is opened in the water outlet joint 30. The number of the water outlet channels is not limited thereto, and can be three, four, five, etc. For example, a plurality of water outlet channels arranged in an annular interval or sleeved manner can be provided at the water outlet joint 30.

[0044] The rotating water-dividing part is rotatably mounted in the valve fixing part, and is provided with at least two water-dividing holes and at least two water-dividing channels connected to the water-dividing holes one by one, and each water-dividing channel is connected to one of the water-outlet channels respectively; the water-inlet channel 11 and the water-outlet channel sleeved in the water-inlet channel 11 are both coaxially arranged with the rotating water-dividing part.

[0045] In this embodiment, the rotating water-dividing part includes a water-dividing plate 40 and a water-dividing body 50 which are fixedly connected at the top and the bottom and are both circular. The water-dividing hole is opened in the water-dividing plate 40, the water-dividing channel connected to the water outlet channel sleeved in the water inlet channel 11 is opened in the water-dividing plate 40, and the remaining water-dividing channels are opened in the water-dividing body 50.

[0046] like Figure 5 As shown, there are two water diversion holes, which are respectively defined as the first water diversion hole 41 and the second water diversion hole 42, and there are two water diversion channels, which are respectively defined as the first water diversion channel 51 and the second water diversion channel 52; Figure 6As shown, the second water diversion hole 42 is connected to the second water diversion channel 52; Figure 7 As shown, the first water diversion hole 41 is connected to the first water diversion channel 51 .

[0047] In this embodiment, the outlet of the first water diversion channel 51 is opened at the center of the top surface of the water diversion plate 40, and the water diversion holes 41, 42 are arranged in a circular interval along the center of the water diversion plate 40. The outlet of the second water diversion channel 52 is opened at the center of the bottom surface of the water diversion body 50. In addition, a first rotating platform 53 is protruding downward from the bottom surface of the water diversion body 50, and the second water diversion channel 52 runs through the first rotating platform 53; the top of the water outlet joint 30 is provided with a rotating groove 31 that can rotate with the first rotating platform 53. The bottom end of the fixed seat 20 is protruding downward with a second rotating platform 21, and the second rotating platform 21 extends into the first water diversion channel 51, and the second rotating platform 21 rotates with the first water diversion channel 51.

[0048] The switching drive assembly at least includes a switching shaft 60, which is transmission-connected to the rotating water-dividing part and extends laterally out of the valve fixing part. The rotating switching shaft 60 drives the rotating water-dividing part to rotate so that the water inlet channel 11 is switched on or simultaneously connected to the first water-dividing hole 41 and the second water-dividing hole 42, thereby switching the first water outlet channel 12 and the second water outlet channel 13 to discharge water or discharge water simultaneously.

[0049] In this embodiment, the switching drive assembly further includes a rotating sleeve 70 , which is rotatably sleeved on the outside of the valve fixing part and is drivingly connected to the switching shaft 60 .

[0050] In this embodiment, a longitudinally extending limiting groove 71 is provided on the inner wall of the rotating sleeve 70 , and the head end of the switching shaft 60 extends into the limiting groove 71 .

[0051] In this embodiment, a sealing gasket 80 is provided at the end of the water inlet channel 11, and a sealing opening connected to the water inlet channel 11 is provided on the bottom surface of the sealing gasket 80, and the rotating water diversion part rotates to align or stagger the sealing opening with the water diversion hole. Figure 4 As shown, the sealing gasket 80 is provided with a receiving groove 81 with an opening on the top surface, and the bottom wall of the receiving groove 81 is provided with the sealing opening. The sealing gasket 80 is in an arc shape as a whole, which matches the arc shape of the water dividing plate 40. There are two sealing openings arranged at intervals, and the two sealing openings are respectively defined as a first sealing opening 82 and a second sealing opening 83. According to needs, the number of sealing openings can be set to one, three, or four.

[0052] In this embodiment, when the sealing opening and the water diversion hole are staggered, the sealing opening corresponds to the top surface of the water diversion plate 40 to seal the sealing opening. For example, when the first sealing opening 82 and the second water diversion hole 42 are aligned, the second sealing opening 83 corresponds to the top surface of the water diversion plate 40 to seal the second sealing opening 83.

[0053] In this embodiment, the top surface of the water diverter 40 is provided with a plurality of gear slots arranged in an annular manner, the fixed seat 20 is provided with a gear pin 22 and a gear elastic member 23, the two ends of the gear elastic member 23 abut against the gear pin 22 and the fixed seat 20, and the gear pin 22 is switched with the plurality of gear slots. Figure 5 As shown, there are three gear slots arranged in a ring-shaped manner, and the three gear slots are respectively defined as a first gear slot 43, a second gear slot 44 and a third gear slot 45.

[0054] In this embodiment, Figure 5 As shown, the water-dividing plate 40 is provided with a transversely arranged fixing hole 46 , and the switching shaft 60 is fixedly connected to the fixing hole 46 and its head end extends out of the rotating water-dividing part.

[0055] In this embodiment, Figure 2 As shown, the valve body 10 is provided with a transversely arranged arc groove 14 for making way for the switching shaft 60, and the head end of the switching shaft 60 passes through the arc groove 14 and extends out of the valve body 10. The arc length of the arc groove 14 is not less than the rotation stroke of the switching shaft 60; preferably, the arc length of the arc groove 14 is the same as the rotation stroke of the switching shaft 60.

[0056] like Figure 8 As shown, the gear pin 22 is matched with the first gear slot 43, and the gear is in the first gear state:

[0057] The second sealing opening 83 is aligned with the first water diversion hole 41, and the first sealing opening 82 corresponds to the top surface of the water diversion plate 40. The water in the water inlet channel 11 passes through the second sealing opening 83, the first water diversion hole 41, and the first water diversion channel 51 and enters the first water outlet channel 12. The first water outlet channel 12 discharges water and the second water outlet channel 13 is closed.

[0058] The rotating sleeve 70 drives the switching shaft 60 to rotate synchronously, and then drives the rotating water-dividing part to rotate synchronously, until the gear pin 22 matches with the second gear slot 44, such as Fig. 9 As shown, at this time, the first sealed opening 82 is aligned with the first water diversion hole 41, and the second sealed opening 83 is aligned with the second water diversion hole 42. The water in the water inlet channel 11 enters the two sealed openings, the two water diversion holes, and the two water diversion channels respectively, and then enters the two water outlet channels. The first water outlet channel 12 and the second water outlet channel 13 discharge water at the same time.

[0059] Continue to rotate the rotating sleeve 70 until the gear pin 22 is matched with the third gear slot 45. Fig.10As shown, at this time, the first sealed opening 82 is aligned with the second water diversion hole 42, and the second sealed opening 83 corresponds to the top surface of the water diversion plate 40. The water in the water inlet channel 11 enters the second water diversion channel 52 from the first sealed opening 82 and the second water diversion hole 42, and then enters the second water outlet channel 13. The first water outlet channel 12 is closed and the second water outlet channel 13 discharges water.

[0060] The water outlet device using the switching valve described above is provided with the switching valve, and the water outlet device also includes at least two water outlet terminals, and the water outlet channels are connected to the water outlet terminals one by one. Preferably, the switching valve is installed near one of the water outlet terminals. For example, the water outlet terminals of the water outlet device are a hand-held shower and a shower head, respectively, the first water outlet channel 12 is connected to the shower head, and the second water outlet channel 13 is connected to the hand-held shower. The switching valve is arranged at the bottom end of the hand-held shower. When the water path needs to be switched, it only needs to be switched near the hand-held shower, which is convenient to use.

[0061] The water outlet terminals are provided with two, which are a hand-held shower and a shower head respectively, and the water outlet channels are provided with two; the water outlet nozzle of the hand-held shower and the water outlet nozzle of the shower head are connected with the two water outlet channels respectively.

[0062] The specific structure of the water outlet device is as follows: Figures 11 to 14 As shown, it includes a connector 100, a handheld shower 200, a shower head 300, a connecting pipe 400 and the switching valve 500. The connector 100 is fixedly connected to the shower head 300, the connecting pipe 400 is fixedly connected to the switching valve 500 and the connector 100, and the switching valve 500 is fixedly connected to the handheld shower 200.

[0063] The connector 100 is provided with a water inlet chamber 110 and a water outlet chamber 120, the connecting pipe 400 is provided with an outer flow channel 410 and an inner flow channel 420 located in the outer flow channel 410, and the water inlet channel 11 is connected with the outer flow channel 410 of the connecting pipe 400, the inner flow channel 420 is connected with the water outlet chamber 120 of the connector 100, the water outlet chamber 120 is connected with the water outlet nozzle of the shower head 300, the first water outlet channel 12 is connected with the inner flow channel 420 of the connecting pipe 400, and the second water outlet channel 13 is connected with the water outlet nozzle of the handheld shower 200.

[0064] Please refer to Fig.12 , is the state when the waterway switching mechanism is in the first gear position, and the state of the switching valve is as follows Figure 8 As shown, only the first water outlet channel 12 is connected to the water inlet channel 11, water enters the connector 100 from the water inlet chamber 110, flows through the outer flow channel 410 of the connecting pipe 400 into the water inlet channel 11, and then flows from the first water outlet channel 12 through the inner flow channel 420 of the connecting pipe 400 and the water outlet chamber 120 into the water outlet of the shower head 300, and the shower head 300 discharges water;

[0065] Please refer to Fig.13 , is the state when the waterway switching mechanism is in the second gear position, and the state of the switching valve is as follows Fig. 9 As shown, water enters the connector 100 from the water inlet cavity 110, and then flows through the outer flow channel 410 of the connecting pipe 400 into the water inlet channel 11. One water path flows from the first water outlet channel 12 through the inner flow channel 420 of the connecting pipe 400 and the water outlet cavity 120 into the water outlet of the shower head 300, and the shower head 300 discharges water. Another water path flows from the second water outlet channel 13 into the water outlet of the hand-held shower 200, and the hand-held shower 200 discharges water.

[0066] Please refer to Fig.14 , is the state when the waterway switching mechanism is in the third gear, and the state of the switching valve is as follows Fig.10 As shown, only the second water outlet channel 13 is connected to the water inlet channel 11, and only the hand-held showerhead 200 is discharging water.

[0067] 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. Switching valve, characterized in that: It includes: A valve fixing part, which is provided with a water inlet channel and at least two water outlet channels, wherein one of the water outlet channels is sleeved in the water inlet channel; The rotating water-dividing part is rotatably mounted in the valve fixing part, and is provided with at least two water-dividing holes and at least two water-dividing channels corresponding to the water-dividing holes, and each water-dividing channel is respectively connected to one of the water outlet channels; The water inlet channel and the water outlet channel sleeved in the water inlet channel are coaxially arranged with the rotating water dividing part; A switching drive assembly at least comprises a switching shaft, which is connected to the rotating water-dividing part and extends laterally out of the valve fixing part, and the rotating switching shaft drives the rotating water-dividing part to rotate so that the water inlet channel is switched to connect or simultaneously connect the two water-dividing holes, thereby switching the two water outlet channels to discharge water or discharge water simultaneously; The rotating water dividing part comprises a water dividing plate and a water dividing body fixedly connected up and down, the water dividing hole is provided in the water dividing plate, the water dividing channel connected with the water outlet channel sleeved in the water inlet channel is provided in the water dividing plate, and the remaining water dividing channels are provided in the water dividing body.

2. The switching valve according to claim 1, characterized in that: The outlet of the water diversion channel connected to the water outlet channel sleeved in the water inlet channel is opened at the center of the top surface of the water diversion plate, and one of the other water diversion channel outlets is opened at the center of the bottom surface of the water diversion body; the water diversion holes are arranged in an annular interval along the center of the water diversion plate.

3. The switching valve according to claim 1, characterized in that: A sealing gasket is arranged at the end of the water inlet channel, and a sealing opening connected to the water inlet channel is arranged on the bottom surface of the sealing gasket. The rotating water-dividing part rotates so that the sealing opening is aligned with the water-dividing hole for communication or staggered sealing.

4. The switching valve according to claim 1, characterized in that: The top surface of the water dividing plate is provided with a plurality of gear slots arranged in an annular manner, the valve fixing part is provided with a gear pin and a gear elastic member, both ends of the gear elastic member abut against the gear pin and the valve fixing part, and the gear pin is switched and matched with the plurality of gear slots.

5. The switching valve according to claim 1, characterized in that: The rotating water-dividing part is provided with a transversely arranged fixing hole, the switching shaft is fixedly connected to the fixing hole and the head end thereof extends out of the rotating water-dividing part.

6. The switching valve according to claim 5, characterized in that: The valve fixing part is provided with an arc groove which makes way for the switching shaft and is arranged transversely, and the head end of the switching shaft passes through the arc groove and extends out of the valve fixing part.

7. The switching valve according to claim 6, characterized in that: The arc length of the arc groove is not less than the rotation stroke of the switching shaft.

8. The switching valve according to claim 1, characterized in that: The switching drive assembly also includes a rotating sleeve, which is rotatably sleeved outside the valve fixing part and is drivingly connected to the switching shaft.

9. The switching valve according to claim 8, characterized in that: The inner wall of the rotating sleeve is provided with a longitudinally extending limiting groove, and the head end of the switching shaft extends into the limiting groove.

10. A water outlet device using the switching valve according to any one of claims 1 to 9, characterized in that: The water outlet device is provided with the switching valve, and the water outlet device also includes at least two water outlet terminals, and the water outlet channels are connected to the water outlet terminals in a one-to-one correspondence.

11. The water outlet device according to claim 10, characterized in that: The water outlet terminals are provided with two, one for a hand-held shower and the other for a shower head. The water outlet channels are provided with two. The water outlet nozzle of the hand-held shower and the water outlet nozzle of the shower head are connected to the two water outlet channels respectively. The switching valve is installed near the hand-held shower.

Images