CN220668435U - Rotary spray head of faucet - Google Patents
Rotary spray head of faucet Download PDFInfo
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- CN220668435U CN220668435U CN202322369424.2U CN202322369424U CN220668435U CN 220668435 U CN220668435 U CN 220668435U CN 202322369424 U CN202322369424 U CN 202322369424U CN 220668435 U CN220668435 U CN 220668435U
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- 239000007921 spray Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 234
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000005187 foaming Methods 0.000 claims abstract description 27
- 238000005507 spraying Methods 0.000 claims abstract description 25
- 238000000746 purification Methods 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 16
- 230000006872 improvement Effects 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
A rotary spray head of a faucet comprises a cylindrical shell, a water inlet valve body, a circular sealing gasket, a water diversion valve body, a knife water outlet assembly, a foaming water outlet piece, a spraying water outlet assembly and a water purifying valve; the knife water outlet assembly, the foaming water outlet piece, the spraying water outlet assembly and the water purifying valve are respectively communicated with the knife water interface pipe, the foaming interface pipe, the spraying interface pipe and the water purifying interface pipe and are arranged in the cylindrical shell to form a spray head main body, the knife water outlet assembly and the spraying water outlet assembly are respectively embedded with the knife mounting hole and the spraying mounting hole, and the valve core seat is opposite to the interface pipe; the circular arc-shaped sealing gasket is arranged in the sealing cavity, the water inlet valve body is inserted into the interface pipe to be connected with the water diversion valve body and in running fit, the circular sealing gasket is in running fit with the valve core seat and is sealed, and the water purification outlet pipe is in running fit with the central water purification hole and is sealed. Compared with the prior art, the device has fewer parts and simple structure; only need rotate when going out the water conversion can, go out the water conversion convenience.
Description
Technical Field
The utility model relates to a faucet, in particular to a spray head arranged at a water outlet end.
Background
At present, in the prior art, chinese patent 202222889267.3, a three-outlet spray head of a faucet comprises a shell, an inlet conversion piece, a button, a conversion valve cover, a conversion valve rod, a conversion valve core, a spring, a water diversion piece, a key, a water diversion valve cover, a water diversion valve rod, a water diversion valve core and a water diversion component, wherein a first outlet joint of the inlet conversion piece is communicated with an inlet channel of the water diversion piece, a second outlet joint of the inlet conversion piece is communicated with the conversion water channel, a central cavity is communicated with a body outlet channel, an end outlet channel is communicated with an annular outlet cavity, and the conversion water channel is communicated with a spray pipe; the conversion valve cover is arranged in the conversion valve cavity, the annular water guide groove is communicated with the second water outlet joint, the water valve cover is arranged in the water diversion valve cavity, the annular water guide groove of the water diversion valve cover is communicated with the water outlet channel of the water diversion valve body, and the water diversion valve core is matched with the end part of the water diversion valve cover and the water outlet cavity of the water outlet end; the key is hinged with the water diversion part and is in universal connection with the water diversion valve rod; the button and the key are respectively matched with the button hole and the key hole. The problems are: the structure is complex, and the waterway conversion operation is complex.
Disclosure of Invention
The purpose of the utility model is that: the rotary spray head of the faucet has the characteristics of simple structure and convenient water outlet conversion operation.
The utility model is realized in the following way: the rotary spray head of the faucet is characterized in that: the device comprises a cylindrical shell with an opening at one end, a water inlet valve body, a circular sealing gasket, a water diversion valve body, a knife water outlet assembly, a foaming water outlet piece, a spraying water outlet assembly and a water purification valve;
the cylindrical shell is provided with a spray mounting hole, a cutter mounting hole, a driving hole, a joint pipe and a net mounting hole arranged on the end plate;
the water inlet valve body comprises an external thread interface, a water inlet cavity, a sealing cavity, a water purifying inlet pipe, a water purifying outlet pipe and a circular arc-shaped water inlet hole,
the circular sealing gasket is provided with an axial hole and a circular arc-shaped water guide hole;
the water diversion valve body comprises a valve core seat, a knife water interface pipe, a foaming interface pipe, a spray interface pipe and a water purification interface pipe, wherein the valve core seat is provided with a central water purification hole, an arc knife water inlet hole, an arc foaming inlet hole and an arc spraying inlet hole, and the arc knife water inlet hole, the arc foaming inlet hole and the arc spraying inlet hole are respectively communicated with the knife water interface pipe, the foaming interface pipe and the spray interface pipe;
the knife water outlet assembly, the foaming water outlet piece, the spraying water outlet assembly and the water purifying valve are respectively communicated with the knife water interface pipe, the foaming interface pipe, the spraying interface pipe and the water purifying interface pipe and are arranged in the cylindrical shell to form a spray head main body, the knife water outlet assembly and the spraying water outlet assembly are respectively embedded with the knife mounting hole and the spraying mounting hole, and the valve core seat is opposite to the interface pipe; the circular arc-shaped sealing gasket is arranged in the sealing cavity, the water inlet valve body is inserted into the interface pipe to be connected with the water diversion valve body and in running fit, the circular sealing gasket is in running fit with the valve core seat and is sealed, and the water purification outlet pipe is in running fit with the central water purification hole and is sealed.
The rotary spray head of the faucet is characterized in that: the sealing cavity is provided with an axial pin, the round sealing gasket is provided with a pin hole, and the axial pin is inserted into the pin hole.
The rotary spray head of the faucet is characterized in that: a sliding clasp is arranged in the sealing cavity;
the water diversion valve body comprises a circular guide seat plate and a limiting plate which are arranged on the valve core seat,
the sliding clasp is buckled with the circular ring-shaped guide seat plate and is in sliding fit, and the end part of the sealing cavity is matched with the limiting plate.
The rotary spray head of the faucet is characterized in that: the water purifying valve is a button type valve, and the driving of the water purifying valve is in sliding fit with the driving hole.
The rotary spray head of the faucet is characterized in that: the water purifying valve comprises a valve main body, a water guide core, a valve core piece, a button, a valve rod, a driven piece and a spring,
the valve main body comprises a core cavity, a movable cavity, a water inlet interface and a water outlet interface pipe,
the water guide core comprises a valve rod channel, a water inlet and outlet cavity, a water inlet hole surrounding the water inlet and outlet cavity and guide stop teeth arranged at the upper part of the water inlet and outlet cavity,
the upper part of the valve core piece is provided with a connecting column seat and an annular stop disc,
an axial driving tooth is arranged on the peripheral surface of the lower end of the valve rod,
the driven piece comprises a rod body, an annular seat and driven teeth arranged on the peripheral surface of the annular seat,
the lower end of the spring is matched with the bottom plate of the movable cavity, the upper end of the spring extends into the lower opening spring cavity of the valve core piece, the valve core piece is in sliding fit with the movable cavity, and the valve core piece is matched and sealed with the lower end of the water inlet and outlet cavity; the water guide core is arranged in the core cavity, and the annular stop disc extends into the water inlet and outlet cavity and is matched with the lower end of the guide stop tooth for stopping; the lower end of the rod body of the driven piece is in running fit with the lower shaft hole of the connecting column seat, and the driven tooth slot is in sliding fit with the guide stop tooth; the valve rod is in sliding fit with the valve rod channel, the driving tooth is in sliding fit with the water inlet and outlet cavity, the driving tooth slot is in fit with the guiding stop tooth, and the guiding stop tooth is in fit with the positioning slot of the driven tooth; the upper end of the rod body is in running fit with an upper shaft hole on the valve rod.
Compared with the prior art, the rotary spray head of the water tap has fewer parts and simple structure; only need rotate when going out the water conversion can, go out the water conversion convenience.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a perspective view of the present utility model.
Fig. 4 is a perspective view of the water diversion valve of the present utility model.
Fig. 5 is one of the perspective views of the water inlet valve body of the present utility model.
FIG. 6 is a second perspective view of the water inlet valve of the present utility model.
Fig. 7 is one of the exploded perspective views of the present utility model.
Fig. 8 is a second perspective exploded view of the present utility model.
Fig. 9 is one of the exploded perspective views of the water purification valve of the present utility model.
FIG. 10 is a second perspective exploded view of the water purification valve of the present utility model.
Fig. 11 is a sectional view of the water purifying valve of the present utility model.
Fig. 12 is a perspective cross-sectional view of a water guide core of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, a rotary spray head of a faucet comprises a cylindrical shell 1 with one end open, a water inlet valve body 2, a circular sealing gasket 3, a water distributing valve body 4, a knife water outlet assembly 5, a foaming water outlet piece 6, a spray water outlet assembly 7 and a water purifying valve 8;
the cylindrical shell 1 is provided with a spray mounting hole 11, a cutter mounting hole 12, a driving hole 13, a joint pipe 14 and a net mounting hole 15 arranged on the end plate; the spray mounting holes 11 and the knife mounting holes 12 are symmetrically arranged on the same plane, and as shown in fig. 2, the axes of the driving holes 13 are perpendicular to the planes of the spray mounting holes 11 and the knife mounting holes 12;
the water inlet valve body 2 comprises an external thread interface 21, a water inlet cavity 22, a sealing cavity 23, a water purifying inlet pipe 241, a water purifying outlet pipe 242 and a circular arc water inlet hole 25, wherein the circular arc water inlet hole 25 is arranged on a partition plate between the water inlet cavity 22 and the sealing cavity 23, the water purifying inlet pipe 24 is arranged in the water inlet cavity 22, and the water purifying outlet pipe 242 is arranged in the sealing cavity 23;
the circular sealing gasket 3 is provided with an axial hole 31 and a circular arc-shaped water guide hole 32, wherein the axial hole is a hole arranged on the axis;
the water diversion valve body 4 comprises a valve core seat 41, a water cutting interface pipe 42, a foaming interface pipe 43, a spraying interface pipe 44 and a water purification interface pipe 45, wherein the water cutting interface pipe 42, the foaming interface pipe 43, the spraying interface pipe 44 and the water purification interface pipe 45 are arranged on the same plane, as shown in fig. 4, in an XZ plane, the valve core seat 41 is provided with a central water purification hole 411, a circular arc water cutting inlet hole 412, a circular arc foaming inlet hole 413 and a circular arc spraying inlet hole 414, the circular arc water cutting inlet hole 412, the circular arc foaming inlet hole 413 and the circular arc spraying inlet hole 414 are distributed on the circumference in sequence, the circle center angle is 90 degrees, and the circular arc water cutting inlet hole 412, the circular arc foaming inlet hole 413 and the circular arc spraying inlet hole 414 are respectively communicated with the water cutting interface pipe 42, the foaming interface pipe 43 and the spraying interface pipe 44;
the spray water outlet assembly 7 is provided with a water inlet interface and a plurality of spray water holes;
the knife water outlet assembly 5 is provided with a water inlet interface and a strip water outlet hole which extends along the length direction and has a width;
the knife water outlet assembly 5, the foaming water outlet piece 6, the spray water outlet assembly 7 and the water purifying valve 8 are respectively communicated with a knife water interface pipe 42, a foaming interface pipe 43, a spray interface pipe 44 and a water purifying interface pipe 45 and are arranged in the cylindrical shell 1 to form a spray head main body, the knife water outlet assembly 5 and the spray water outlet assembly 7 are respectively embedded with a knife mounting hole 12 and a spray mounting hole 11, a valve core seat 41 is opposite to the interface pipe 14, and the water outlet end of the water purifying valve 8 is embedded with a water purifying mounting hole 15; the circular arc-shaped sealing gasket 3 is arranged in the sealing cavity 23, the water inlet valve body 2 is inserted into the interface pipe 14 to be connected with the water diversion valve body 4 and in running fit, the circular sealing gasket 3 is in running fit with the valve core seat 41 and is sealed, and the water purification pipe 242 passes through the axial hole 31 to be in running fit with the central water purification hole 411 and is sealed.
The water inlet cavity 22 is communicated with a tap water source, and the purified water inlet pipe 241 is communicated with a purified water source; the external thread interface 21 is screwed with the faucet tube; as shown in fig. 1 and 3, in the state of foaming water outlet, in the state shown in fig. 3, the nozzle body rotates 90 degrees in the anticlockwise direction in the ZY plane, and is converted into a blade water state; in the state shown in fig. 3, the nozzle body rotates 90 degrees clockwise in the ZY plane to be converted into a spray water state; continuing to rotate for 90 degrees clockwise, converting into a pure water outlet state, and then operating a water purifying valve to purify water; in the pure water state, the tap water pipeline is closed;
as a further improvement of the utility model: the sealing cavity 23 is provided with an axial pin 231, the circular sealing gasket 3 is provided with a blind pin hole 33, the axial pin 231 is inserted into the blind pin hole 33, the sealing cavity 23 relative to the water inlet valve body is prevented from rotating, and the circular-arc-shaped water guide hole 32 is kept communicated with the circular-arc-shaped water inlet hole 25.
As a further improvement of the utility model: a sliding clasp 232 is arranged in the sealing cavity 23;
the water diversion valve body 4 comprises a circular guide seat plate 46 and a limiting plate 47 which are arranged on the valve core seat 41,
the sliding clasp 232 is buckled with the annular guide seat plate 46 and is in sliding fit, the end part of the sealing cavity 23 is matched with the limiting plate 47, and the annular baffle 26 on the water inlet valve body 2 is matched with the interface pipe 14 for stopping. By adopting the structure, the rotation of the nozzle body relative to the water inlet valve body is realized, and the nozzle body is not separated.
The water purifying valve 8 is a button valve, and the driving of the water purifying valve 8 is in sliding fit with the driving hole 13.
The water purifying valve 8 includes a valve main body 81, a water guide core 82, a valve core member 83, a button 84, a valve stem 85, a follower 86 and a spring,
the valve main body 81 comprises a core cavity 811, a movable cavity 812, a water inlet connector 813 and a water outlet connector 814, wherein the water inlet connector 813 and the water outlet connector 814 are communicated with the core cavity, and the movable cavity 812 is positioned at the lower part of the core cavity; the water inlet connector 813 is connected with the water purifying connector pipe 45 of the water distributing valve body 4, and the end part of the water outlet connector pipe 814 is embedded with the net mounting hole 15 of the circular shell 1;
the water guide core 82 comprises a valve rod channel 821, a water inlet and outlet cavity 822, a water inlet hole 8221 surrounding the water inlet and outlet cavity 822 and three guide stop teeth 823 arranged at the upper part of the water inlet and outlet cavity 822, and the lower end of the guide stop teeth 823 is provided with a right-handed surface or a left-handed surface; the guiding stop teeth 823 are axially arranged to play a guiding role;
the upper part of the valve core member 83 is provided with a connecting column seat 831 and an annular stop disc 832, and the annular stop disc 832 surrounds the connecting column seat 831 and has a gap with the valve core member 83; the upper end of the connecting column seat 831 is provided with a lower shaft hole 8311;
six axial driving teeth 851 are arranged on the peripheral surface of the lower end of the valve rod 85, a gap between two adjacent axial driving teeth 851 forms a driving tooth slot, one side of the lower end of each axial driving tooth 851 is arranged on a right-handed surface, and the other side of the lower end of each axial driving tooth 851 is provided with a left-handed surface; an upper shaft hole 852 is formed at the lower end of the valve rod 85;
the driven member 86 comprises a rod 861, an annular seat 862 and three driven teeth 863 arranged on the peripheral surface of the annular seat, the gaps between two adjacent driven teeth 863 form a driven tooth slot, the driven teeth 863 are provided with positioning slots 8631, and the positioning slots 8631 comprise a vertical plane, a circular arc horizontal plane and a left-hand plane
The lower end of the spring is matched with the bottom plate of the movable cavity 812, a spring column on the bottom plate is inserted into the spring, the upper end of the spring column extends into a lower opening spring cavity 833 of the valve core member 83, the valve core member 83 is matched with the movable cavity 812 in a sliding manner and sealed, and the valve core member 83 is matched with the lower end of the water inlet and outlet cavity 822 in a sealing manner; the water guide core 82 is arranged in the core cavity 811 and fixed with the valve body, and the annular stop disc 832 extends into the water inlet and outlet cavity 822 and is matched with the lower end of the guide stop tooth 823 for stopping; the lower end of the rod body 861 of the driven piece 86 is in running fit with the lower shaft hole 8311 of the connecting column seat 831, and the driven tooth slot is in sliding fit with the guide stop tooth 823; the upper end of the rod body 861 is in running fit with the upper shaft hole 852; the valve rod 85 is in sliding fit with the valve rod channel 821, the axial driving teeth 851 are in sliding fit with the water inlet and outlet cavity 822, the driving tooth grooves are in matching with the guiding stop teeth 823, and the guiding stop teeth 823 are in matching with the positioning grooves 831 of the driven teeth 863. The button 84 reciprocates within the drive hole 13.
Fig. 11 is a view of the shut-off state when the water purifying valve 8 is in use; in the state of fig. 11, when the button 84 is pressed, the button 84 moves downward together with the valve rod 5, the axial driving teeth 851 are meshed with the driven teeth 862, the driven member 86 and the valve core member 53 move downward along a straight line together with the valve rod 85 and compress the spring, and when the driven tooth slot leaves the guiding stop teeth 823, the driven member rotates, and the lower ends of the guiding stop teeth 823 are embedded with the positioning grooves 8631; the valve core piece 53 leaves the lower end of the water inlet and outlet cavity to be conducted, and the water flowing state is maintained;
in the water-through state, the button 84 is pressed again, the driven member 86 and the valve core member 53 move along a straight line downwards along with the valve rod 85 and compress the spring, the lower end of the guide stop tooth 823 is separated from the positioning groove 8631, the driven member rotates, and the driven tooth groove is opposite to the guide stop tooth 823; under the action of the spring, the valve core piece, the driven rod and the valve rod move upwards together; a switching process is completed.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a rotatory nozzle of tap which characterized in that: the device comprises a cylindrical shell with an opening at one end, a water inlet valve body, a circular sealing gasket, a water diversion valve body, a knife water outlet assembly, a foaming water outlet piece, a spraying water outlet assembly and a water purification valve;
the cylindrical shell is provided with a spray mounting hole, a cutter mounting hole, a driving hole, a joint pipe and a net mounting hole arranged on the end plate;
the water inlet valve body comprises an external thread interface, a water inlet cavity, a sealing cavity, a water purifying inlet pipe, a water purifying outlet pipe and a circular arc-shaped water inlet hole,
the circular sealing gasket is provided with an axial hole and a circular arc-shaped water guide hole;
the water diversion valve body comprises a valve core seat, a knife water interface pipe, a foaming interface pipe, a spray interface pipe and a water purification interface pipe, wherein the valve core seat is provided with a central water purification hole, an arc knife water inlet hole, an arc foaming inlet hole and an arc spraying inlet hole, and the arc knife water inlet hole, the arc foaming inlet hole and the arc spraying inlet hole are respectively communicated with the knife water interface pipe, the foaming interface pipe and the spray interface pipe;
the knife water outlet assembly, the foaming water outlet piece, the spraying water outlet assembly and the water purifying valve are respectively communicated with the knife water interface pipe, the foaming interface pipe, the spraying interface pipe and the water purifying interface pipe and are arranged in the cylindrical shell to form a spray head main body, the knife water outlet assembly and the spraying water outlet assembly are respectively embedded with the knife mounting hole and the spraying mounting hole, and the valve core seat is opposite to the interface pipe; the circular arc-shaped sealing gasket is arranged in the sealing cavity, the water inlet valve body is inserted into the interface pipe to be connected with the water diversion valve body and in running fit, the circular sealing gasket is in running fit with the valve core seat and is sealed, and the water purification outlet pipe is in running fit with the central water purification hole and is sealed.
2. The rotary sprayer of a faucet of claim 1, wherein: the sealing cavity is provided with an axial pin, the round sealing gasket is provided with a pin hole, and the axial pin is inserted into the pin hole.
3. The rotary sprayer of a faucet of claim 1, wherein: a sliding clasp is arranged in the sealing cavity;
the water diversion valve body comprises a circular guide seat plate and a limiting plate which are arranged on the valve core seat,
the sliding clasp is buckled with the circular ring-shaped guide seat plate and is in sliding fit, and the end part of the sealing cavity is matched with the limiting plate.
4. The rotary sprayer of a faucet of claim 1, wherein: the water purifying valve is a button type valve, and the driving of the water purifying valve is in sliding fit with the driving hole.
5. The rotary sprayer for a faucet of claim 4, wherein: the water purifying valve comprises a valve main body, a water guide core, a valve core piece, a button, a valve rod, a driven piece and a spring,
the valve main body comprises a core cavity, a movable cavity, a water inlet interface and a water outlet interface pipe,
the water guide core comprises a valve rod channel, a water inlet and outlet cavity, a water inlet hole surrounding the water inlet and outlet cavity and guide stop teeth arranged at the upper part of the water inlet and outlet cavity,
the upper part of the valve core piece is provided with a connecting column seat and an annular stop disc,
an axial driving tooth is arranged on the peripheral surface of the lower end of the valve rod,
the driven piece comprises a rod body, an annular seat and driven teeth arranged on the peripheral surface of the annular seat,
the lower end of the spring is matched with the bottom plate of the movable cavity, the upper end of the spring extends into the lower opening spring cavity of the valve core piece, the valve core piece is in sliding fit with the movable cavity, and the valve core piece is matched and sealed with the lower end of the water inlet and outlet cavity; the water guide core is arranged in the core cavity, and the annular stop disc extends into the water inlet and outlet cavity and is matched with the lower end of the guide stop tooth for stopping; the lower end of the rod body of the driven piece is in running fit with the lower shaft hole of the connecting column seat, and the driven tooth slot is in sliding fit with the guide stop tooth; the valve rod is in sliding fit with the valve rod channel, the driving tooth is in sliding fit with the water inlet and outlet cavity, the driving tooth slot is in fit with the guiding stop tooth, and the guiding stop tooth is in fit with the positioning slot of the driven tooth; the upper end of the rod body is in running fit with an upper shaft hole on the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322369424.2U CN220668435U (en) | 2023-08-31 | 2023-08-31 | Rotary spray head of faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322369424.2U CN220668435U (en) | 2023-08-31 | 2023-08-31 | Rotary spray head of faucet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668435U true CN220668435U (en) | 2024-03-26 |
Family
ID=90336678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322369424.2U Active CN220668435U (en) | 2023-08-31 | 2023-08-31 | Rotary spray head of faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668435U (en) |
-
2023
- 2023-08-31 CN CN202322369424.2U patent/CN220668435U/en active Active
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