CN217963006U - Stagnant water auto-change over device and gondola water faucet - Google Patents

Abstract

The utility model discloses a stagnant water auto-change over device and gondola water faucet, wherein stagnant water auto-change over device includes the casing, cross water subassembly and switching module, cross the water unit mount in the inside of casing, inject out the water cavity between the inner wall of casing and the outer wall of crossing the water subassembly, cross the water subassembly including the piece that intakes that connects gradually, stagnant water piece and mounting, switching module includes the loose axle, the mounting is worn to locate along the axial of mounting by the loose axle, the loose axle can move so that the tip of loose axle can insert or leave the second intercommunicating pore, stagnant water auto-change over device has stagnant water state and crosses the water state, under the stagnant water state and crossing the water state, the atress of stagnant water piece both sides is all balanced, during the switching state, the resistance of rivers need not to be overcome in the removal of loose axle, it is comparatively laborsaving to switch over the operation.

Description

Stagnant water auto-change over device and gondola water faucet

Technical Field

The utility model belongs to the technical field of bathroom product technique and specifically relates to a stagnant water auto-change over device and gondola water faucet are related to.

Background

A plurality of shower heads with water stopping function are already available on the market, and the principle of the shower heads is that a water stopping switching component is arranged on the shower heads, and an external switch is utilized to drive an internal water stopping mechanism to act so as to control the on-off of water flow. In the related art, the water retaining mechanisms in the water-stopping switching assembly bear different pressures under different water pressures, so that the operation handfeel is inconsistent, the operation handfeel is heavier under high water pressure, and the switching operation of water stopping and water passing is more laborious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a stagnant water auto-change over device can make the stagnant water more laborsaving with the switching operation of crossing water.

The utility model also provides a gondola water faucet of including above-mentioned stagnant water auto-change over device.

The embodiment of the first aspect of the utility model provides a stagnant water auto-change over device, including casing, water passing component and switching module, water passing component installs in the inside of casing, inject out the water cavity between the inner wall of casing and the outer wall of water passing component, water passing component includes water inlet spare, stagnant water spare and the mounting that connects gradually, water inlet spare has inlet opening and crosses the water cavity, it communicates in play water cavity to cross the water cavity; the water stopping piece comprises a deformation part, a front cavity is defined between the deformation part and the water inlet piece and is communicated with the water inlet hole, a rear cavity is defined between the deformation part and the fixing piece, the deformation part is provided with a first communication hole for communicating the front cavity with the rear cavity, and a second communication hole for communicating the rear cavity with the water passing cavity; the switching assembly comprises a movable shaft, the movable shaft penetrates through the fixing piece along the axial direction of the fixing piece, and the movable shaft can move relative to the fixing piece so that the deformation portion opens or blocks the inlet of the water passing cavity.

The utility model discloses the stagnant water auto-change over device that the embodiment of the first aspect provided has following beneficial effect at least: the water stopping switching device is internally provided with a water inlet part, a water stopping part and a fixing part which are sequentially connected, a front cavity and a rear cavity are formed on two sides of the water stopping part, when the water stopping switching device is in a water stopping state, water flows enter the front cavity and then flow into the rear cavity through the first connecting hole, the water stopping part is tightly pressed on a butt joint surface of the water inlet part by the water pressure of the rear cavity to prevent the water from flowing into the water passing cavity, at the moment, the two sides of the water stopping part are in a stress balance state, and the movable shaft is moved to enable the water stopping switching device to be switched to a water passing state, so that the resistance of the water flow does not need to be overcome during the movement of the movable shaft, and the operation is labor-saving; switch to the water state of crossing by the stagnant water state after, the water in the rear cavity can be by the second intercommunicating pore inflow crosses the water cavity, the water pressure in the rear cavity diminishes, preceding cavity, the pressure differential of rear cavity makes the deformation portion of stagnant water spare take place to warp and break away from the butt face, the hydroenergy that makes preceding cavity can flow through crossing the water cavity and go out the water cavity, the deformation portion of stagnant water spare takes place to warp the back under the pressure differential effect of preceding cavity, rear cavity, both sides atress is balanced once more, remove the loose axle and make stagnant water auto-change over device switch to the in-process of stagnant water state, the removal of loose axle is the same need not to overcome the resistance of rivers, the operation is comparatively laborsaving.

In some embodiments of the present invention, the first communication hole has a smaller diameter than the second communication hole.

In some embodiments of the present invention, the water stop member further includes a connection portion, the connection portion is connected to the periphery of the deformation portion, the water inlet member has a mounting groove, and the connection portion is embedded in the mounting groove.

In some embodiments of the present invention, the water passing assembly further includes a first spring, the first spring is sleeved on the movable shaft, one end of the first spring is connected to the deformation portion, and the other end of the first spring abuts against the inner wall of the fixing member.

In some embodiments of the present invention, the deformation portion has a protrusion, the second communication hole is provided in the protrusion, and the first spring sleeve is provided in the protrusion.

In some embodiments of the present invention, the water passing cavity includes a first water passing section and a second water passing section which are communicated with each other, the first water passing section is along the axial extension of the water inlet member, and the second water passing section is along the radial extension of the water inlet member and runs through the water inlet member.

In some embodiments of the present invention, the water inlet is provided with a plurality of water inlets along the axial extension of the water inlet, and the water inlets are uniformly arranged in the circumferential direction of the water inlet.

In some embodiments of the present invention, the switching component further includes a stopping cylinder, a pushing element and a second spring, the stopping cylinder is installed inside the housing, the pushing element extends into the stopping cylinder and is slidably connected to the stopping cylinder, one end of the water stop member is held in the stopping cylinder by the movable shaft, one end of the pushing element abuts against the movable shaft, the second spring is sleeved outside the movable shaft, one end of the second spring abuts against the movable shaft, the other end of the second spring abuts against the fixing member, and the pushing element can push the movable shaft to move so that one end of the movable shaft is inserted into or separated from the second communication hole.

In some embodiments of the present invention, the inner wall of the rotation stopping tube is provided with a plurality of ramps, a plurality of ramps are sequentially arranged at intervals along the circumferential direction of the rotation stopping tube, two adjacent ramps form a guide groove therebetween, the end surface of the ramp is zigzag and has a first inclined surface and a second inclined surface, the movable shaft includes a core shaft portion and a rotating portion which are connected to each other, the rotating portion is provided with a plurality of rotating protrusions in the circumferential direction, and the rotating protrusions can be accommodated in the guide groove or the abutting portion on the first inclined surface.

In some embodiments of the present invention, one end of the pushing member is provided with a plurality of ratchet teeth, and one side of the rotation protrusion near the pushing member has a third inclined surface, and the ratchet teeth can contact and relatively slide with the third inclined surface, or separate from each other.

The shower head provided by the embodiment of the second aspect of the utility model comprises a shower head, a handle and a water-stop switching device provided by any embodiment of the first aspect of the utility model, wherein the handle is connected with the shower head; the water stop switching device is installed inside the handle.

The utility model discloses the gondola water faucet that the embodiment of second aspect provided has following beneficial effect at least: the water-stopping switching device which is capable of switching the water passing state and the water-stopping state mutually and is labor-saving in operation is adopted, so that the water passing and water-stopping switching operation of the shower head during use is labor-saving.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic perspective view of a water stop switching device according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of the water stop switching device shown in fig. 1;

fig. 3 is a sectional view of the water stop switching device shown in fig. 1 in a water stop state;

fig. 4 is a sectional view of the water stop switching device shown in fig. 1 in a state of water passing;

fig. 5 is a perspective view of a water inlet member of the water stop switching device shown in fig. 1;

FIG. 6 is a front view of the water intake member shown in FIG. 5;

FIG. 7 isbase:Sub>A cross-sectional view of section A-A of FIG. 6;

FIG. 8 is a cross-sectional view of section B-B of FIG. 6;

fig. 9 is a perspective view of a water stop member of the water stop switching device shown in fig. 1;

FIG. 10 is a schematic perspective view of the water stop of FIG. 9 from another angle;

fig. 11 is an exploded schematic view of the switching assembly of the water stop switching device shown in fig. 1 after being cut;

fig. 12 is a perspective view of a water outlet member of the water stop switching device shown in fig. 1;

fig. 13 is a front view of a water outlet member of the water stop switching device shown in fig. 12;

FIG. 14 is a cross-sectional view of section C-C of FIG. 13;

fig. 15 is a schematic perspective view of a shower head according to a second aspect of the present invention.

Reference numerals:

the water stop switching device 10, the housing 100, the water passing assembly 200, the water inlet 210, the water inlet 211, the water passing cavity 212, the first water passing section 2121, the second water passing section 2122, the abutting surface 213, the front chamber 214, the mounting groove 215, the water stop 220, the deformation portion 221, the first communication hole 2211, the second communication hole 2212, the protrusion 2213, the connecting portion 222, the fixing member 230, the rear chamber 231, the water outlet cavity 240, the first spring 250, the switching assembly 300, the movable shaft 310, the core shaft portion 311, the rotation portion 312, the rotation protrusion 313, the third inclined surface 3131, the rotation stopping cylinder 320, the inclined table 321, the first inclined surface 3211, the second inclined surface 3212, the guide groove 322, the limiting protrusion 323, the pushing member 330, 331, the second inclined surface 332, the ratchet limiting groove 333, the limiting block 334, the second spring 340, the button 350, the pressing portion 351, the transmission portion 352, the first inclined surface 3521, the third spring 360, the fourth spring 370, the water outlet member 400, the water outlet channel 410, the mounting cavity 420, the handle 20, and the shower head 30.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated, for example, up, down, left, right, etc., referred to the orientation description is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Reference in the description of the present disclosure to "one embodiment," "some embodiments," and so forth, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 4, a water stop switching device 10 provided in an embodiment of the present invention includes a housing 100, a water passing assembly 200 and a switching assembly 300, wherein the water passing assembly 200 is installed inside the housing 100, and a water outlet cavity 240 is defined between an inner wall of the housing 100 and an outer wall of the water passing assembly 200.

The water passing assembly 200 comprises a water inlet part 210, a water stop part 220 and a fixing part 230 which are sequentially connected, referring to fig. 5 to 8, the water inlet part 210 is provided with a water inlet hole 211 and a water passing cavity 212, further, the water inlet hole 211 can extend along the axial direction of the water inlet part 210, the water inlet holes 211 can be provided in plurality, and the water inlet holes 211 are uniformly arranged in the circumferential direction of the water inlet part 210; the water passing cavity 212 can comprise a first water passing section 2121 and a second water passing section 2122 which are communicated with each other, wherein the first water passing section 2121 extends along the axial direction of the water inlet piece 210, and the second water passing section 2122 extends along the radial direction of the water inlet piece 210 and penetrates through the water inlet piece 210, so that the water passing cavity 212 is communicated with the water outlet cavity 240; the water inlet member 210 has an abutting surface 213, the abutting surface 213 is located at the entrance of the water passing cavity 212, and the abutting surface 213 faces the water stop member 220.

Referring to fig. 9 and 10, the water stop member 220 includes a deformation portion 221, the deformation portion 221 can abut against or separate from the abutment surface 213, a front chamber 214 is defined between the deformation portion 221 and the water inlet member 210, the front chamber 214 is communicated with the water inlet hole 211, a rear chamber 231 is defined between the deformation portion 221 and the fixing member 230, the deformation portion 221 is provided with a first communication hole 2211 for communicating the front chamber 214 and the rear chamber 231, and a second communication hole 2212 for communicating the rear chamber 231 and the water passing chamber 212, a projection area of the water stop member 220 on a side facing the front chamber 214 along an axial direction of the water stop member 220 is closer to a projection area of the water stop member 220 on a side facing the rear chamber 231 along an axial direction of the water stop member 220, so as to balance forces on both sides of the water stop member 220, in addition, the second communication hole 2212 is located at a center position of the deformation portion 221, and the first communication hole 2211 is located at an eccentric position of the deformation portion 221, so that an overall structural layout can be more reasonable. Further, referring to fig. 9 and 10, the water stopping member 220 further includes a connection portion 222, the connection portion 222 is connected to the outer circumference of the deformation portion 221, referring to fig. 5 to 8, the water inlet member 210 is provided with an installation groove 215, and referring to fig. 3 and 4, the connection portion 222 is embedded in the installation groove 215, thereby realizing stable connection between the water stopping member 220 and the water inlet member 210.

The switching assembly 300 includes a movable shaft 310, the movable shaft 310 is inserted into the stationary member 230 along the axial direction of the stationary member 230, and the movable shaft 310 can move relative to the stationary member 230 so that the end of the movable shaft 310 can be inserted into or removed from the second communication hole 2212.

Referring to fig. 3, in the water-stopping state, the end of the movable shaft 310 is inserted into the second communication hole 2212, the water flows into the rear chamber 231 through the water inlet 211, the front chamber 214 and the first communication hole 2211 in sequence, the pressure of the water in the rear chamber 231 acts on the deformation part 221, so that the deformation part 221 abuts against the abutting surface 213, the inlet of the water passing chamber 212 is blocked by the deformation part 221, the water can be prevented from flowing into the water passing chamber 212, at this time, two sides of the water-stopping piece 220 are in a stress balance state, when the movable shaft 310 is moved to switch the water-stopping switching device 10 to the water-passing state, the movable shaft 310 does not need to overcome the resistance of the water flow, and the operation is labor-saving;

referring to fig. 4, when the water-stopping state is switched to the water-passing state, the end of the movable shaft 310 leaves the second communication hole 2212, the water in the rear chamber 231 flows out to the water-passing chamber 212 through the second communication hole 2212, the water pressure in the rear chamber 231 decreases, a pressure difference is generated between the rear chamber 231 and the front chamber 214, the deformation portion 221 is deformed to leave the abutting surface 213, the inlet of the water-passing chamber 212 is opened, the water flows into the water-passing state through the water inlet hole 211, the front chamber 214 and the water-passing chamber 212 in sequence, the deformation portion 221 of the water-stopping member 220 is deformed under the action of the pressure difference between the front chamber 214 and the rear chamber 231, the forces on the two sides are balanced again, and the movable shaft 310 is moved without overcoming the resistance of the water flow in the process of switching the water-stopping device 10, and the operation is labor-saving.

Referring to fig. 3, 4, 9 and 10, the diameter of the first communication hole 2211 is smaller than that of the second communication hole 2212, when the water stop switching device 10 switches from the water stop state to the water passing state, the end of the movable shaft 310 is separated from the second communication hole 2212, the water in the rear chamber 231 flows from the second communication hole 2212 to the water passing chamber 212, the water flowing from the front chamber 214 to the rear chamber 231 is smaller than the water flowing from the rear chamber 231 to the water passing chamber 212 because the diameter of the first communication hole 2211 is smaller than that of the second communication hole 2212, the water pressure of the front chamber 214 is larger than that of the rear chamber 231, a pressure difference capable of pushing the deformation portion 221 to deform in the direction of the rear chamber 231 is formed, the deformation portion 221 is separated from the contact surface 213, and the front chamber 214 is communicated with the water passing chamber 212.

Referring to fig. 3 and 4, the water passing assembly 200 further includes a first spring 250, the first spring 250 is sleeved on the movable shaft 310, one end of the first spring 250 is connected to the deformation portion 221, and the other end of the first spring 250 abuts against the inner wall of the fixing member 230. The first spring 250 can be set to be in an initial state under the water passing state, when the water passing state is switched to the water stopping state, the water pressure in the rear cavity 231 is increased, the deformation part 221 is pushed to abut against the abutting surface 213, and the first spring 250 is stretched and deformed, at the moment, the sum of the pressure of the water in the rear cavity 231 acting on the deformation part 221 and the elastic force of the first spring 250 is greater than the pressure of the water in the front cavity 214 acting on the deformation part 221; when the water-stop state is switched to the water-passing state, the water in the rear chamber 231 flows out from the second communication hole 2212, the water pressure in the rear chamber 231 is reduced, at this time, the sum of the pressure of the water in the rear chamber 231 acting on the deformation part 221 and the elastic force of the first spring 250 is smaller than the pressure of the water in the front chamber 214 acting on the deformation part 221, the deformation part 221 is separated from the abutting surface 213, and simultaneously, the first spring 250 retracts, so that the stability of the water-passing state can be improved by the first spring 250, and the phenomenon that the water flow is not smooth due to the contact between the deformation part 221 and the abutting surface 213 in the water-passing state is avoided.

In order to improve the mounting accuracy and stability of the first spring 250, referring to fig. 9, the deformation portion 221 has a protrusion 2213, the second communication hole 2212 is opened in the protrusion 2213, and referring to fig. 3 and 4, the first spring 250 is sleeved on the protrusion 2213. When the first spring 250 is installed, the protrusion 2213 can play a role in positioning the first spring 250, so that the installation accuracy of the first spring 250 and the stability in the installation process are improved.

Referring to fig. 11, the switching assembly 300 further includes a rotation stopping cylinder 320, a pushing member 330 and a second spring 340, referring to fig. 3 and 4, the rotation stopping cylinder 320 is installed inside the housing 100, and further, an end of the rotation stopping cylinder 320 can abut against the fixing member 230 to limit the fixing member 230; the pushing member 330 extends into the stopping drum 320 and is slidably connected to the stopping drum 320, one end of the movable shaft 310, which is far away from the water stop member 220, is accommodated in the stopping drum 320, one end of the pushing member 330 abuts against the movable shaft 310, the second spring 340 is wound around the outside of the movable shaft 310, one end of the second spring 340 abuts against the movable shaft 310, and the other end abuts against the fixing member 230, and the pushing member 330 can push the movable shaft 310 to move so that one end of the movable shaft 310 is inserted into or separated from the second communication hole 2212, thereby implementing the operation of the movable shaft 310.

Referring to fig. 11, a plurality of inclined stages 321 are disposed on an inner wall of the rotation stopping cylinder 320, the plurality of inclined stages 321 are sequentially spaced along a circumferential direction of the rotation stopping cylinder 320, a guide groove 322 is formed between two adjacent inclined stages 321, an end surface of each inclined stage 321 is zigzag and has a first inclined surface 3211 and a second inclined surface 3212, one end of the pushing member 330 is provided with a plurality of ratchet teeth 331, the movable shaft 310 includes a core shaft portion 311 and a rotating portion 312 which are connected with each other, the rotating portion 312 is circumferentially provided with a plurality of rotating protrusions 313, and one side of each rotating protrusion 313 close to the pushing member 330 has a third inclined surface 3131.

In the water passing state, each rotating bump 313 is accommodated in one guide groove 322, the third inclined surface 3131 abuts against the ratchet 331 to push the pushing piece 330, the pushing piece 330 pushes the rotating bump 313 out of the guide groove 322, the second spring 340 is compressed to continuously push the pushing piece 330, so that the third inclined surface 3131 slides relative to the ratchet 331 to rotate the rotating part 312 until the third inclined surface 3131 contacts with the first inclined surface 3211, the pushing piece 330 is released, the third inclined surface 3131 slides along the first inclined surface 3211 under the resilience of the second spring 340 until the rotating bump 313 is clamped in the saw-tooth-shaped recess on the end surface of the inclined table 321, and the mandrel part 311 is inserted into the second communication hole 2212 to switch the water stop switching device 10 to the water stop state;

in the water stop state, the pushing member 330 is pushed, the pushing member 330 pushes the rotating protrusion 313 out of the zigzag recess, the second spring 340 is compressed, the pushing member 330 is pushed continuously, the third inclined surface 3131 slides relative to the ratchet 331, so that the rotating portion 312 rotates until the third inclined surface 3131 contacts the second inclined surface 3212, the pushing member 330 is released, under the resilience of the second spring 340, the third inclined surface 3131 slides along the second inclined surface 3212 until the rotating protrusion 313 enters the guide groove 322, and the spindle portion 311 leaves the second communication hole 2212, so that the water stop switching device 10 is switched to the water passing state.

In the above process, when the water passing state and the water stopping state are switched, the pushing member 330 can generate a clear switching hand feeling, which is helpful for the user to know whether the state is switched.

Referring to fig. 2 and 11, the pushing member 330 may be provided with limiting blocks 334 in the same number and corresponding positions as the guide grooves 322 in the circumferential direction, and the limiting blocks 334 are embedded in the guide grooves 322 in a one-to-one correspondence manner to guide the movement of the pushing member 330, so as to improve the stability of the movement of the pushing member 330; the rotation stopping cylinder 320 can also be provided with limiting protrusions 323, the pushing member 330 is provided with limiting grooves 333 which are the same in number and correspond to the limiting protrusions 323 in position, the limiting grooves 333 extend in a direction parallel to the axial direction of the pushing member 330, the limiting protrusions 323 are embedded in the limiting grooves 333 in a one-to-one correspondence manner, the movement of the pushing member 330 is guided, and the movement stability of the pushing member 330 is improved.

Referring to fig. 1 and 2, the water stop switching device 10 further includes a water outlet 400, the water outlet 400 is connected to one end of the housing 100, and further, the water outlet 400 is connected to the housing 100 through a screw, and besides the screw, the water outlet 400 can be connected through clamping, gluing, and the like; referring to fig. 11 to 14, the rotation stopping cylinder 320 is connected to the inside of the water outlet 400, and further, the rotation stopping cylinder 320 and the water outlet 400 may be an integrated structure; the water outlet member 400 has a water outlet channel 410 outside the rotation stopping cylinder 320, the water outlet channel 410 is communicated with the water outlet cavity 240, and water in the water outlet cavity 240 can flow out through the water outlet channel 410.

Referring to fig. 2, the switching assembly 300 further includes a button 350, the button 350 includes a pressing portion 351 and a transmission portion 352 connected to each other, referring to fig. 3 and 4, the water outlet member 400 has a mounting cavity 420, the pressing portion 351 is located outside the mounting cavity 420, the transmission portion 352 is inserted into the mounting cavity 420, the pushing member 330 is partially accommodated in the mounting cavity 420, and the transmission portion 352 can push the pushing member 330 to move along the axial direction of the rotation stopping cylinder 320. When the push switch is used, the pressing portion 351 located outside can be pressed to drive the transmission portion 352 to act, and the transmission portion 352 pushes the pushing member 330 to move, so that the movable shaft 310 is driven to move to switch states, and the operation is simple.

It is understood that, referring to fig. 3 and 4, the switching assembly 300 may further include a fourth spring 370, and the fourth spring 370 is sleeved on the transmission portion 352 and can assist the button 350 to reset.

Referring to fig. 11, the central axis a of the mounting cavity 420 is perpendicular to the central axis b of the rotation preventing cylinder 320, the transmission part 352 has a first inclined surface 3521, and the pushing member 330 has a second inclined surface 332, referring to fig. 3 and 4, the first inclined surface 3521 and the second inclined surface 332 are in contact with each other and can slide relative to each other, and the arrangement of the first inclined surface 3521 and the second inclined surface 332 can convert the driving force perpendicular to the axial direction of the rotation preventing cylinder 320 into the driving force along the axial direction of the rotation preventing cylinder 320, so that the operation mode of state switching is more reasonable.

Referring to fig. 3, 4 and 11, the switching assembly 300 further includes a third spring 360, one end of the third spring 360 is connected to the pushing member 330, and the other end of the third spring 360 abuts against the inner wall of the stopping cylinder 320. When the pushing member 330 is pushed, the third spring 360 is subjected to tensile deformation, and after the pushing member 330 is released, the pushing member 330 can be reset to the initial position under the action of the resilience force of the third spring 360.

It is understood that, in order to improve the sealing performance, sealing rings may be disposed at the joints between different components of the water stop switching device 10, for example, referring to fig. 3 and 4, the joints between the housing 100 and the water inlet 210, the joints between the fixed member 230 and the rotation stopping cylinder 320, the joints between the water outlet 400 and the housing 100, and the joints between the movable shaft 310 and the fixed member 230 may be disposed with sealing rings.

Referring to fig. 15, the shower head according to the second aspect of the present invention includes a shower head 20, a handle 30 and a water-stop switching device 10 according to any embodiment of the first aspect of the present invention, wherein the handle 30 is connected to the shower head 20; the water stop switching device 10 is mounted inside the handle 30. The utility model discloses the gondola water faucet that the embodiment of second aspect provided has following beneficial effect at least: the water-stopping switching device 10 which is labor-saving in operation and can switch between the water passing state and the water stopping state is adopted, so that the water passing and water stopping switching operation of the shower head during use is labor-saving.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims (11)

1. Stagnant water auto-change over device, its characterized in that includes:

a housing;

the water passing assembly is arranged in the shell, a water outlet cavity is defined between the inner wall of the shell and the outer wall of the water passing assembly, the water passing assembly comprises a water inlet piece, a water stopping piece and a fixing piece which are sequentially connected, the water inlet piece is provided with a water inlet hole and a water passing cavity, and the water passing cavity is communicated with the water outlet cavity; the water stopping piece comprises a deformation part, a front cavity is defined between the deformation part and the water inlet piece and is communicated with the water inlet hole, a rear cavity is defined between the deformation part and the fixing piece, the deformation part is provided with a first communication hole for communicating the front cavity with the rear cavity, and a second communication hole for communicating the rear cavity with the water passing cavity;

the switching assembly comprises a movable shaft, the movable shaft penetrates through the fixing piece along the axial direction of the fixing piece, and the movable shaft can move relative to the fixing piece so that the deformation part opens or blocks the inlet of the water passing cavity.

2. The water stop switching device according to claim 1, wherein a hole diameter of the first communication hole is smaller than a hole diameter of the second communication hole.

3. The water stop switching device according to claim 1, wherein the water stop member further includes a connecting portion connected to the periphery of the deformation portion, the water inlet member is provided with an installation groove, and the connecting portion is embedded in the installation groove.

4. The water stop switching device according to claim 1, wherein the water passing assembly further includes a first spring, the first spring is sleeved on the movable shaft, one end of the first spring is connected to the deformation portion, and the other end of the first spring abuts against an inner wall of the fixing member.

5. The water stop switching device according to claim 4, wherein the deformation portion has a projection, the second communication hole is opened in the projection, and the first spring is fitted around the projection.

6. The water stop switching device according to claim 1, wherein the water passing cavity includes a first water passing section and a second water passing section which are communicated with each other, the first water passing section extends along an axial direction of the water inlet member, and the second water passing section extends along a radial direction of the water inlet member and penetrates through the water inlet member.

7. The water stop switching device according to claim 1, wherein the water inlet hole extends in an axial direction of the water inlet member, and the water inlet hole is provided in plurality and arranged uniformly in a circumferential direction of the water inlet member.

8. The water stop switching device according to claim 1, wherein the switching assembly further includes a rotation stop cylinder, a pushing member, and a second spring, the rotation stop cylinder is mounted inside the housing, the pushing member extends into the rotation stop cylinder and is slidably connected to the rotation stop cylinder, one end of the movable shaft, which is away from the water stop member, is accommodated inside the rotation stop cylinder, one end of the pushing member abuts against the movable shaft, the second spring is sleeved outside the movable shaft, one end of the second spring abuts against the movable shaft, the other end of the second spring abuts against the fixing member, and the pushing member can push the movable shaft to move so that one end of the movable shaft is inserted into or separated from the second communication hole.

9. The water stop switching device according to claim 8, wherein a plurality of ramps are provided on an inner wall of the rotation stop cylinder, the ramps are sequentially provided at intervals in a circumferential direction of the rotation stop cylinder, a guide groove is formed between two adjacent ramps, an end surface of each ramp is formed in a zigzag shape and has a first inclined surface and a second inclined surface, the movable shaft includes a core shaft portion and a rotating portion connected to each other, the rotating portion is provided with a plurality of rotating projections in the circumferential direction, and the rotating projections can be accommodated in the guide groove or abut against the first inclined surface.

10. The water stop switching device according to claim 9, wherein one end of the pushing member is provided with a plurality of ratchet teeth, and one side of the rotation projection near the pushing member is provided with a third inclined surface, and the ratchet teeth can be in contact with the third inclined surface and can slide relatively, or can be separated from each other.

11. Gondola water faucet, its characterized in that includes:

a shower head;

a handle connected to the shower head;

the water stop switching device according to any one of claims 1 to 10, which is installed inside the handle.

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