WO2017190278A1

WO2017190278A1 - Water path switching mechanism and button shower head using same

Info

Publication number: WO2017190278A1
Application number: PCT/CN2016/080926
Authority: WO
Inventors: 胡心占; 林春辉; 高文
Original assignee: 厦门建霖工业有限公司
Priority date: 2016-05-03
Filing date: 2016-05-03
Publication date: 2017-11-09

Abstract

Disclosed are a water path switching mechanism and a button shower head using same. The water path switching mechanism comprises an upper ratchet (410), a lower ratchet (420), a fixed plate (300), a rotary plate (430), a water sealing pad (440) and a water diversion seat (450). The fixed plate (300) is fixed to the water diversion seat (450) located below same. The water diversion seat (450) has a water inlet chamber (451) and a plurality of water outlet chambers (452, 453, 454) in communication with the inlet chamber (451). The water sealing pad (440) is fixedly embedded in the water inlet chamber (451) of the water diversion seat (450). A rotary shaft at the lower part of the rotary plate (430) passes through the water sealing pad (440) and then into a location hole within the water inlet chamber (451); and a plate body in the middle of the rotary plate (430) matches the water sealing pad (440) and opens one of the inlets of the outlet chambers (452, 453, 454) of the water diversion seat (450). A rotary shaft at the upper part of the rotary plate (430) passes through a mounting hole on the fixed plate (300) and is then fixedly connected to the upper ratchet (410). The lower ratchet (420) sleeved outside of the rotary shaft at the upper part of the rotary plate (430) is disposed above the fixed plate (300). An upper end face ratchet of the lower ratchet (420) engages with a lower end face ratchet of the upper ratchet (410). The water path switching mechanism has a simple structure, is compact, is reliable during operation, and is very convenient to operate.

Description

Waterway switching mechanism and button shower using same

Technical field

The invention relates to the technical field of shower devices, in particular to a waterway switching mechanism and a button shower using the same.

Background technique

The existing showers generally switch between different water splash patterns by dialing or pushing and twisting. This switching structure results in a complicated structure, large volume and troublesome operation of the water outlet panel assembly.

Summary of the invention

In order to overcome the deficiencies of the prior art described above, the technical problem to be solved by the present invention is to provide a waterway switching mechanism with novel design, compact structure and convenient operation, and a button shower using the same.

In order to solve the above problems, the technical solution of the present invention is: a waterway switching mechanism comprising an upper ratchet, a lower ratchet, a fixed disk, a rotating disk, a water sealing pad and a water dividing seat, wherein the fixed disk is fixed to the water dividing below The water dividing seat has a water inlet chamber and a plurality of water outlet chambers communicating with the water inlet chamber, and the water sealing mat is fixedly embedded in the water inlet chamber of the water dividing seat, and the lower portion of the rotating disk After the rotating shaft passes through the sealing water pad, it extends into the positioning hole in the water inlet cavity, and the disk body in the middle of the rotating disk cooperates with the water dividing pad and selectively opens the water outlet inlet of the water dividing seat, and the rotating shaft of the upper part of the rotating disk Passing through the mounting hole on the fixed disk, and fixedly connecting with the upper ratchet, the upper fixed ratchet is provided with a lower ratchet wheel outside the rotating shaft of the upper part of the rotating disk, and the upper end ratchet of the lower ratchet and the lower end surface of the upper ratchet The ratchets mesh, and the lower ratchet is rotated by an external drive mechanism.

Further, a pressing spring that presses the rotating disk against the water sealing pad is disposed under the fixed disk, and the rotating shaft sleeve of the upper part of the rotating disk is provided with a holding spring that keeps the upper ratchet and the lower ratchet.

Further, the fixed disk is provided with a water inlet water pipe, and the water inlet end of the water dividing seat is sealingly connected with the water outlet end of the fixed disk, and the rotating shaft of the upper part of the rotating disk is sealingly engaged with the mounting hole on the fixed disk.

In order to solve the above problems, the technical solution of the present invention is: a button shower adopting the above waterway switching mechanism, comprising a casing and a water outlet panel assembly, wherein the water outlet panel assembly is provided with a plurality of water patterns of different water patterns. The waterway switching mechanism is installed in the head cavity of the outer casing, and the water inlet of the waterway switching mechanism is provided with a water inlet, the water inlet of the water inlet is connected with the inner cavity of the outer casing, and the water inlet is connected. The water outlet is connected to the water inlet chamber of the water dividing seat, and the plurality of water outlet chambers of the water dividing seat are respectively in communication with the plurality of water outlet water channels of the water outlet panel, and the lower ratchet of the waterway switching mechanism is driven by a button Driving its rotation, the drive end of the button drive mechanism is exposed to the surface of the housing.

Further, the button driving mechanism includes a switching button, a switching balance, and a switching link, and the switching button Mounted in the housing and exposed to the surface, the switching balance is hinged to the fixed disc, the switching rod is mounted on the fixed disc and is slidably engaged with the fixed disc, and the fixed disc is mounted with the reset link a return spring, the switching button is in contact with the lower end of the switching balance, the upper end of the switching balance is in contact with one end of the switching link, and the other end of the switching link is provided with a side rack, and the lower ratchet is provided There are side gears that mesh with the side racks.

Further, the fixed disc is composed of a disc body and an extension arm, and an extension arm side of the fixed disc is provided with an upper limit guide block and a lower limit guide block for guiding the sliding of the switching link, and the extension arm of the fixed disc One side is further provided with a plurality of ribs distributed along the sliding direction of the switching link, the switching link is provided with a blind hole toward one side of the extending arm, and a pin cap which is ejected by a spring is installed in the blind hole. The pin cap is frictionally engaged with the rib.

Further, the water outlet panel assembly includes a mating base and a cover, the water split seat is mounted in a recess in the center of the base, and an impeller located in one of the water outlets is installed between the base and the cover.

Further, the outer casing is composed of an upper casing and a lower casing, and a handle assembly is installed with a water channel assembly, and a water outlet end of the water channel assembly is sealingly connected to a water inlet end of the fixed disk.

Compared with the prior art, the invention has the following beneficial effects: the waterway switching mechanism is ingeniously designed, simple in structure, compact in size and reliable in operation, and the user can drive the waterway switching mechanism through the button driving mechanism, and select the water outlet panel through the waterway switching mechanism. The multiple water outlets of the components switch between different shower patterns and are very convenient to operate.

DRAWINGS

1 is a schematic cross-sectional view of a water passage switching mechanism.

2 is a longitudinal sectional view of a water passage switching mechanism.

Figure 3 is a structural exploded view of the water switching mechanism.

Figure 4 is a structural exploded view of the button shower.

Figure 5 is an exploded view of the structure of the outer casing.

Figure 6 is an exploded view of the structure of the outlet panel assembly.

Figure 7 is an exploded view of the structure of the button driving mechanism.

Fig. 8 is a schematic view showing the cooperation of the button driving mechanism and the water passage switching mechanism.

Figure 9 is a schematic transverse cross-sectional view of the button shower.

Figure 10 is a schematic view of the water outlet of the button shower.

Figure 11 is a longitudinal cross-sectional view of the button shower.

Marked in the figure: 100-shell, 110-upper casing, 120-lower casing, 130-waterway assembly, 140-O-type sealing ring, 200-outlet panel assembly, 210-base, 220-face cover, 230-impeller , 300-fixed disk, 310-plate body, 311-spring positioning column, 320-extension arm, 321 - upper limit guide block, 322-lower limit guide block, 323-stripe, 324-hinged column, 400-water switch Institution, 410-upper ratchet, 420-lower ratchet, 421-side gear, 430-rotary disk, 440-sealed water pad, 450-diving water seat, 451-inlet water chamber, 452-first water outlet, 453-second water Cavity, 454-third outlet, 455-seal, 460-screw, 470-press spring, 481, 482-O seal, 490-retaining spring, 500-button drive, 510-switch, 520 -Switching balance, 530-switching link, 531-spring, 532-pin cap, 533-spring positioning hole, 534-side rack, 540-return spring, A-first outlet waterway, B-second outlet waterway , C-the third outlet waterway.

detailed description

The above described features and advantages of the present invention will be more apparent from the following description.

As shown in FIG. 1 to FIG. 3, a waterway switching mechanism includes an upper ratchet, a lower ratchet, a fixed disk, a rotating disk, a water sealing pad and a water dividing seat, and the fixed disk is fixed on the lower water dividing seat by screws. The water dividing seat has a water inlet chamber and three water outlet chambers connected to the water inlet chamber (in order, a first water outlet chamber 452, a second water outlet chamber 453 and a third water outlet chamber 454, wherein the third water outlet chamber 454 is The opening of the side is mounted with a sealing cover 455), the sealing water pad is fixedly embedded in the water inlet cavity of the water dividing seat, and the rotating shaft of the lower part of the rotating disk passes through the sealing water pad and extends into the positioning hole in the water inlet cavity. The disc body in the middle of the rotating disc cooperates with the water dividing mat and selectively opens the water outlet inlet of the water dividing seat. The rotating shaft of the upper part of the rotating disc passes through the mounting hole on the fixing disc and is fixedly connected with the upper ratchet. A lower ratchet disposed outside the rotating shaft of the upper portion of the rotating disc is disposed above the fixed disc, and an upper end ratchet of the lower ratchet meshes with a lower end ratchet of the upper ratchet, and the lower ratchet is driven by an external driving mechanism Turn.

In the embodiment of the present invention, a pressing spring for pressing the rotating disc against the sealing mat is disposed under the fixed disc, and the rotating sleeve of the upper portion of the rotating disc is provided with a retaining spring that keeps the upper ratchet and the lower ratchet.

In the embodiment of the present invention, the fixed disk is provided with a water inlet waterway, and the water inlet end of the water dividing seat is sealedly connected with the water outlet end of the fixed disk, and specifically, the water inlet end of the water dividing seat is sleeved with an O type. The sealing ring 482; the rotating shaft of the upper part of the rotating disc is sealingly engaged with the mounting hole on the fixed disc, and specifically, the O-ring 481 can be sleeved on the rotating shaft of the upper part of the rotating disc.

In the embodiment of the present invention, the working principle of the waterway switching mechanism is as follows: the lower ratchet rotates by the external driving mechanism, the lower ratchet drives the upper ratchet to rotate, and the upper ratchet drives the rotating disk to rotate, when the rotating disk rotates to the upper thereof When the hole overlaps with the inlet of a certain water outlet chamber, the water inlet chamber of the water dividing seat is in communication with the water outlet chamber, that is, the rotating disk makes the water inlet chamber of the water dividing seat and the plurality of water outlet chambers are selectively connected to realize different water outlets. Switch.

As shown in FIGS. 1-11, a button shower using the above waterway switching mechanism includes a casing and a water outlet panel assembly, and the water outlet panel assembly is provided with three different water pattern water outlets A, B, and C. The waterway switching mechanism is installed in the head cavity of the outer casing, and the water inlet of the waterway switching mechanism is provided with a water inlet pipe, and the water inlet of the water inlet waterway communicates with the handle inner cavity of the outer casing, and the inlet waterway The water outlet is connected to the water inlet chamber of the water dividing seat, and the three

water outlet chambers

452, 453, and 454 of the water dividing seat are respectively connected to the three water outlets A, B, and C of the water outlet panel, and the waterway is connected. The lower ratchet of the switching mechanism is driven to rotate by a button drive mechanism whose drive end is exposed to the surface of the housing.

In an embodiment of the invention, the button driving mechanism includes a switching button, a switching balance, and a switching link, the switching button is installed in the outer casing and exposed to the surface, and the switching balance is hinged on the fixed disk, The switching link is mounted on the fixed plate and is slidably engaged with the fixed plate, and the fixed plate is mounted with a return spring for resetting the switching link, and the switching button is in contact with the lower end of the switching balance, the switching balance The upper end is in contact with one end of the switching link, and the other end of the switching link is provided with a side rack, and the lower ratchet is provided with a side gear that meshes with the side rack. Wherein, the rear end of the switching button is hinged to the outer casing through its hinge shaft, and the front end of the switching button is in contact with the lower end of the switching balance.

In the embodiment of the present invention, the fixed disc is composed of a disc body and an extension arm, and an extension arm side of the fixed disc is provided with an upper limit guide block and a lower limit guide block for guiding the sliding of the switching link, and the fixing is performed. The side of the extension arm of the disk is further provided with three ridges (the first ridge, the second ridge and the third ridge from the right to the left) distributed along the sliding direction of the switching link, and the switching link is extended A blind hole is formed in one side of the arm, and a pin cap which is ejected by a spring is mounted in the blind hole, and the pin cap is frictionally engaged with the rib. Wherein, the extension arm side of the fixed disk is further provided with a hinge column for mounting a switching balance, and the disk body of the fixed disk is provided with a spring positioning column facing the switching balance to install a return spring, the switching link A spring positioning hole is provided to the water switching mechanism to mount the return spring.

In the embodiment of the present invention, the working principle of the button driving mechanism is as follows: when the switching button is pressed, the switching button pushes the switching balance to rotate, the switching balance pushes the switching link, and the switching link drives the water switching mechanism. When the switching link is in the initial position, the pin cap is located between the first rib and the second ridge; when the switching button is pressed for the first time, the switching link slides along the fixed disk to the waterway switching mechanism by a certain distance, and the pin is in the sliding process. The cap makes a sound across the second ridge, prompting the user to switch into position, and the pin cap is located between the second ridge and the third ridge; when the switch button is pressed again, the switch link continues to slide along the fixed disk to the water switch mechanism At a certain distance, during the sliding process, the pin cap makes a sound across the third ridge, prompting the user to switch into position, and the pin cap is jammed by the third ridge after releasing the handle; when the toggle button is pressed for the third time, the switching link acts at the return spring. Go back to the initial position.

In the embodiment of the present invention, the water outlet panel assembly includes a fastening base and a cover, the water distribution seat is installed in a groove in the center of the base, and the first water is installed between the base and the cover. The impeller of the water passage A is such that the first outlet water passage A provides massage water.

In the embodiment of the present invention, the outer casing is composed of an upper casing and a lower casing, and the switching button is exposed to an end surface of the lower casing near the end of the head to facilitate pressing; the handle of the outer casing The inner chamber is provided with a water channel assembly, and the water outlet end of the water channel assembly is sealingly connected with the water inlet end of the fixed plate. Specifically, the water outlet end of the water channel assembly is provided with an O-ring 140 that is sealingly engaged with the water inlet of the fixed plate.

When the shower is used, the lower ratchet of the water switching mechanism is driven by pressing the button driving mechanism, and the lower ratchet is driven. The ratchet rotates, the upper ratchet drives the rotating disc to rotate, and the rotating disc selects a plurality of

water outlets

452, 453, 454 of the water dividing seat, so that the three outlet water channels A, B, and C of the water outlet panel assembly are selectively opened, and the shower is switched. Different water patterns. The specific working principle is as follows: in the initial default state, the water flows into the third outlet water channel C where the outlet panel assembly is opened after passing through the water separator, and the first outlet water channel A and the second outlet water channel B are closed, and no water flows in. Outer ring ordinary water; when the button drive mechanism is pressed, the water flows into the second outlet water channel B where the outlet panel assembly is opened after passing through the water separator, and the first outlet water passage A and the third outlet water passage C are closed without water. When flowing in, the inner ring of ordinary water is discharged; when the button driving mechanism is pressed again, the water passes through the water dividing seat and flows into the third outlet water channel C where the outlet panel assembly is opened, and the first outlet water channel A and the second outlet water channel B When it is closed, there is no water flowing in. At this time, the center water is sprinkled; when the button driving mechanism is pressed for the third time, it returns to the initial default state; according to this cycle, the different water splashing functions of the shower are realized.

The present invention is not limited to the above-described preferred embodiments, and any other form of waterway switching mechanism and button showers therewith can be derived by anyone of the present invention. Equivalent changes and modifications made in accordance with the scope of the present invention should fall within the scope of the present invention.

Claims

A waterway switching mechanism, comprising: an upper ratchet, a lower ratchet, a fixed disk, a rotating disk, a water sealing pad and a water dividing seat, wherein the fixed disk is fixed on a lower water dividing seat, wherein the water dividing seat has a water inlet chamber and a plurality of water outlet chambers communicating with the water inlet chamber, the water sealing mat is fixedly embedded in the water inlet chamber of the water separator, and the rotating shaft of the lower portion of the rotating disk extends through the water sealing mat In the positioning hole in the inlet cavity, the disk body in the middle of the rotating disk cooperates with the water dividing pad and selectively opens the water outlet inlet of the water dividing seat, and the rotating shaft of the upper part of the rotating disk passes through the mounting hole on the fixed disk Fixedly connected to the upper ratchet, the upper fixed ratchet wheel is disposed above the rotating shaft of the rotating disc, and the upper end ratchet of the lower ratchet meshes with the lower end ratchet of the upper ratchet, the lower ratchet It is driven by an external drive mechanism.
The waterway switching mechanism according to claim 1, wherein a pressing spring for pressing the rotating disk against the water sealing pad is disposed under the fixed disk, and the rotating shaft sleeve of the upper portion of the rotating disk is provided with the upper ratchet The lower ratchet retains the retaining spring that engages.
The waterway switching mechanism according to claim 1 or 2, wherein the fixed disk is provided with a water inlet water pipe, and the water inlet end of the water dividing seat is sealingly connected with the water outlet end of the fixed disk, the rotating disk The upper shaft is in sealing engagement with the mounting hole on the fixed plate.
A button showerhead using the waterway switching mechanism according to claim 1 or 2, comprising a casing and a water outlet panel assembly, wherein the water outlet panel assembly is provided with a plurality of different water pattern water outlet water channels, characterized in that: the waterway switching The mechanism is installed in the inner cavity of the outer casing of the outer casing, and the water inlet of the waterway switching mechanism is provided with a water inlet, the water inlet of the water inlet is connected with the inner cavity of the outer casing, and the water inlet of the water inlet And communicating with the water inlet cavity of the water dividing seat, wherein the plurality of water outlet chambers of the water dividing seat are respectively in communication with the plurality of water outlet water channels of the water outlet panel, wherein the lower ratchet of the waterway switching mechanism is driven by the button driving mechanism to rotate The drive end of the button drive mechanism is exposed to the surface of the housing.
A button shower according to claim 4, wherein said button driving mechanism comprises a switching button, a switching balance and a switching link, said switching button being mounted in the housing and exposed to the surface, said switching balance Hinged to the fixed plate, the switching link is mounted on the fixed plate and slidably engaged with the fixed plate, and the fixed plate is mounted with a return spring for resetting the switching link, and the switching button is in contact with the lower end of the switching balance In cooperation, the upper end of the switching balance is in contact with one end of the switching link, and the other end of the switching link is provided with a side rack, and the lower ratchet is provided with a side gear that meshes with the side rack.
The push button shower according to claim 5, wherein the fixed disc is composed of a disc body and an extension arm, and an extension arm side of the fixed disc is provided with an upper limit guide block for guiding the sliding of the switching link and a lower limit guide block, a side of the extending arm of the fixed disk is further provided with a plurality of ribs distributed along a sliding direction of the switching link, and the switching link is provided with a blind hole toward a side of the extending arm, the blind hole A pin cap that is ejected by a spring is mounted therein, and the pin cap is frictionally engaged with the rib.
The button shower according to claim 4, wherein the water outlet panel assembly comprises a snap-fit base and a cover, the water-dividing seat is mounted in a recess in the center of the base, the base and the cover An impeller located in one of the outlet waterways is installed between them.
The button shower according to claim 4, wherein the outer casing is composed of an upper casing and a lower casing, and a handle of the casing is provided with a water channel assembly, and a water outlet end of the water channel assembly It is sealed with the inlet end of the fixed plate.