WO2023045280A1

WO2023045280A1 - Pull-out faucet

Info

Publication number: WO2023045280A1
Application number: PCT/CN2022/081675
Authority: WO
Inventors: 侯军海; 郑竹城; 郑艺文
Original assignee: 厦门迈霖科技有限公司
Priority date: 2021-09-23
Filing date: 2022-03-18
Publication date: 2023-03-30
Also published as: CN215635328U

Abstract

A pull-out faucet, comprising a first housing (1), a second housing (2), a hydroelectric power generation mechanism (3), a water outlet assembly (4), and an electronic functional member (5); the second housing is sleeved inside the first housing; a power generation mechanism assembling chamber (21) is formed at a water inlet end of the second housing; a water storage chamber (22) is formed at a water outlet end of the second housing; the power generation mechanism assembling chamber is communicated with the water storage chamber by means of a water outlet passage (23); a water outlet (24) communicated with the water storage chamber is formed in the outer wall of the second housing; the water outlet assembly is assembled at the water outlet; the hydroelectric power generation mechanism is assembled in the power generation mechanism assembling chamber; the electronic functional member is assembled on the first housing; and the hydroelectric power generation mechanism is electrically connected with the electronic functional member. The pull-out faucet can generate electricity by itself by means of the outflow of water, provide required electrical energy for the electronic functional member without extra power supply, is very convenient to use, and can achieve the purpose of energy saving.

Description

A pull-out faucet

【Technical field】

The utility model relates to the technical field of faucets, in particular to a pull-out faucet.

【Background technique】

The main function of the faucet is to control the size of the water flow. With the continuous development of science and technology, many existing faucets are provided with electronic components, for example, a display module can be provided on the faucet to display water temperature and the like. At present, pull-out faucets are powered by alternating current or direct current. During use, dry batteries are often replaced or connected to the mains for charging, which is more convenient to use and cannot achieve the purpose of energy saving. In view of this, the present inventor has conducted in-depth research on the above-mentioned defects in the prior art, and thus this case arises.

【Content of utility model】

The technical problem to be solved by the utility model is to provide a pull-out faucet, which can generate electricity by itself through hydroelectric power generation without additional power supply, which is convenient to use and achieves the purpose of energy saving.

The utility model is realized as follows: a pull-out faucet, comprising a first housing, a second housing, a hydroelectric generating mechanism, a water outlet assembly and electronic functional parts;

The second housing is sleeved inside the first housing; the second housing is formed with a generator assembly chamber at the water inlet end, and the second housing is formed with a water storage chamber at the water outlet end The assembly chamber of the power generating mechanism communicates with the water storage chamber through a water outlet channel; the outer wall of the second housing forms a water outlet that communicates with the water storage chamber, and the water outlet assembly Assembled on the water outlet; the hydroelectric generating mechanism is assembled in the assembly chamber of the generating mechanism, the electronic functional parts are assembled on the first housing, and the hydroelectric generating mechanism and the electronic functional parts electrical connection.

Further, the hydroelectric generating mechanism includes a third housing, a fourth housing assembled in the third housing, and a rotating shaft rotatably arranged in the fourth housing;

The rotating shaft has a hidden end inserted into the fourth housing and an exposed end extending out of the fourth housing; a rotor activity chamber is formed in the fourth housing, and the rotating shaft corresponds to the rotor The position of the active chamber is provided with a rotor, and the outside of the fourth housing is provided with a stator; the exposed end of the rotating shaft is provided with an impeller, and the end of the third housing has a ring that surrounds the impeller inside. Surrounding the cylinder, the cylinder wall of the surrounding cylinder is formed with water outlet holes.

Further, the fourth casing is formed with a first collar installation part at one end of the rotor movable chamber, and a second collar installation part is formed at the other end of the rotor movable chamber; inside the first collar installation part A first ceramic collar is installed, and a second ceramic collar is installed in the second collar installation part; the rotating shaft passes through the first ceramic collar and the second ceramic collar.

Further, one end of the fourth casing is connected to the third casing through a first extension cylinder, and a shaft hole is formed in the first extension cylinder for the rotation shaft to pass through; the fourth casing The other end is provided with a first detachable blocking part.

Further, the third housing is provided with a second detachable blocking part at one end corresponding to the first detachable blocking part;

The end of the second detachable blocking member is formed with an inserting portion inserted into the third housing after assembly, and the outer surface of the inserting portion is attached to the inner wall of the third housing ; The outer wall of the second detachable blocking part is formed with a first sealing groove, and a first sealing ring is arranged in the first sealing groove; the outer end of the second detachable blocking part is formed with the The first communicating hole communicating with the inside of the third casing.

Further, the electronic functional parts include a temperature sensor and a display and control module fixed at the end of the first housing;

The outer wall of the second detachable blocking part is formed with a sensor assembly groove, and the groove wall of the sensor assembly groove is formed with a second communication hole communicating with the inside of the third housing; the temperature sensor is fixed on on the second communication hole.

Further, a recessed notch is formed in the middle of the second housing, and an end wall of the recessed notch has an opening communicating with the first communication hole.

Further, it also includes a socket set on the end of the surrounding cylinder; the socket is provided with a water inlet communicating with the inside of the surrounding cylinder, and the two sides of the water inlet are formed There is a diversion slope; the outer wall of the socket is formed with a second sealing groove, and a second sealing ring is arranged in the second sealing groove.

Further, the end of the assembly chamber of the power generating mechanism is equipped with a water inlet joint, and the end of the water storage chamber is equipped with a blocking end cap.

Further, a third sealing groove is formed at one end of the second casing, and a third sealing ring is arranged in the third sealing groove, and a fourth sealing groove is formed at the other end of the second casing, and the fourth sealing groove is formed at the other end of the second casing. A fourth sealing ring is arranged in the sealing groove.

After adopting the technical solution of the utility model, at least have the following beneficial effects:

1. By forming a power generation mechanism assembly chamber at the water inlet end of the second housing, and forming a water storage chamber at the water outlet end of the second housing, the power generation mechanism assembly chamber and the water storage chamber are connected through a water outlet channel through, and assemble the hydroelectric generating mechanism in the assembly chamber of the generating mechanism, so that when the water flow enters the pull-out faucet, it will pass through the hydroelectric generating mechanism first, and the flow of water can be used to drive the hydroelectric generating mechanism to generate electricity, and provide electric energy to the electronics The functional parts are used; then the water flow can flow into the water storage chamber through the water outlet flow channel, and the water outlet is controlled by the water outlet component. The pull-out faucet of the utility model can generate electricity by itself through the outlet water flow, and provide required electric energy for electronic functional parts without additional power supply, is very convenient to use, and can achieve the purpose of energy saving.

2. Put the hidden end of the rotating shaft in the first ceramic collar, and put the exposed end of the rotating shaft in the second ceramic collar, so that the rotating shaft does not directly contact the fourth shell, because the ceramic collar has good wear resistance , during the rotation of the rotating shaft, the first ceramic collar and the second ceramic collar are not easy to wear or damage, which can improve the service life of the entire hydroelectric power generation mechanism; at the same time, even if the first ceramic collar or the second ceramic collar appears In case of damage, it is also very easy to replace.

3. The overall structure of the pull-type faucet of the utility model is very compact and small, and it is very convenient to use; the entire pull-type faucet has good sealing performance, and there will be no water seepage or leakage during use; the entire appearance looks Very simple and beautiful.

【Description of drawings】

The utility model will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of the overall structure of a pull-out faucet of the present invention;

Fig. 2 is a sectional view of a pull-out faucet of the present invention;

Fig. 3 is a schematic structural view of a pull-out faucet of the present invention after removing the first housing and the display and control module;

Fig. 4 is the structural representation of the second casing in the utility model;

Fig. 5 is the overall view of the hydroelectric generating mechanism in the utility model;

Fig. 6 is a sectional view of the hydroelectric generating mechanism in the utility model;

Fig. 7 is a schematic diagram of the assembly structure of the fourth housing, the rotating shaft and the impeller in the utility model;

Fig. 8 is a schematic structural view of the fourth housing in the utility model;

Fig. 9 is a structural schematic diagram of a pressing part in the utility model;

Fig. 10 is a schematic structural view of the second detachable blocking part in the utility model;

Fig. 11 is a schematic structural view of the third housing in the utility model;

Fig. 12 is a schematic diagram of the structure of the socket in the utility model.

Explanation of reference signs:

1 - the first shell;

2-second housing, 21-generating mechanism assembly chamber, 211-water inlet joint, 22-water storage chamber, 221-blocking end cover, 23-water outlet channel, 24-water outlet, 25-recess Notch, 251-opening, 26-the third sealing groove, 27-the fourth sealing groove;

3-Hydraulic power generation mechanism, 31-third housing, 311-surrounding cylinder, 3111-water outlet, 312-second detachable plugging part, 3121-socket part, 3122-first sealing groove, 3123-first Communication hole, 3124-assembly block, 3125-sensor assembly groove, 3126-second communication hole, 313-assembly groove, 314-extended column mounting part, 32-fourth housing, 321-rotor activity chamber, 322- The first collar mounting part, 322a-blocking end plate, 322b-pressing part, 3221-pin, 3222-pressing plate, 3223-reinforcing part, 3224-reinforcing bar, 3225-second extension cylinder, 323 - the second collar installation part, 324 - the first extension cylinder, 3241 - the shaft hole, 325 - the first detachable sealing part, 326 - the pin socket, 327 - the fixing strip, 33 - the rotating shaft, 331 - Hidden end, 332-exposed end, 34-impeller;

4-Water outlet component;

5 electronic functional parts, 51-temperature sensor, 52-display control module;

6 - the first ceramic collar;

7 - the second ceramic collar;

8-socket, 81-water inlet, 811-diversion slope, 82-second sealing groove;

91-the first sealing ring, 92-the second sealing ring, 93-the third sealing ring, 94-the fourth sealing ring.

【Detailed ways】

In order to better understand the technical solution of the utility model, the technical solution of the utility model will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

Please refer to Figures 1 to 12, a preferred embodiment of a pull-out faucet of the present invention, the faucet includes a first housing 1, a second housing 2, a hydroelectric generating mechanism 3, a water outlet assembly 4 and Electronic functional parts 5;

The second casing 2 is sleeved inside the first casing 1, and the first casing 1 is used to protect the internal structure; the second casing 2 is formed with a power generation Mechanism assembly chamber 21, the second housing 2 is formed with a water storage chamber 22 at the water outlet, the power generation mechanism assembly chamber 21 communicates with the water storage chamber 22 through a water outlet flow channel 23, so that the water flow It can flow from the generator assembly chamber 21 to the water storage chamber 22 through the water outlet channel 23; the outer wall of the second housing 2 is formed with a water outlet 24 communicating with the water storage chamber 22, and the water outlet The component 4 is assembled on the water outlet 24 to realize the water outlet function; the hydroelectric power generation mechanism 3 is assembled in the power generation mechanism assembly chamber 21, and the electronic functional part 5 is assembled on the first housing 1, And the hydroelectric generating mechanism 3 is electrically connected with the electronic function part 5 .

In the utility model, by forming a power generation mechanism assembly chamber 21 at the water inlet end of the second housing 2, and forming a water storage chamber 22 at the water outlet end of the second housing 2, the power generation mechanism assembly chamber 21 and the water storage chamber 22 are connected through the water outlet flow channel 23, and the hydroelectric generating mechanism 3 is assembled in the generating mechanism assembly chamber 21, so that the water flow will first pass through the hydroelectric generating mechanism 3 when entering the pull-out faucet, and the flow of the water flow can be used to Drive the hydroelectric generating mechanism 3 to generate electricity, and provide electric energy to the electronic functional parts 5 for use; then the water flow can flow into the water storage chamber 22 through the water outlet channel 23, and the water outlet is controlled by the water outlet assembly 4 to realize water outlet. The pull-out faucet of the utility model can generate electricity by itself through the outlet water flow, and provide the required electric energy for the electronic functional parts 5 without additional power supply. It is very convenient to use and can achieve the purpose of energy saving.

Preferably, the hydroelectric generating mechanism 3 includes a third housing 31, a fourth housing 32 assembled in the third housing 31, and a rotating shaft 33 rotatably arranged in the fourth housing 32;

The rotating shaft 33 has a hidden end 331 inserted into the fourth housing 32 and an exposed end 332 extending outside the fourth housing 32; a rotor movable chamber 321 is formed in the fourth housing 32, so A rotor (not shown) is provided on the rotating shaft 33 corresponding to the position of the rotor movable chamber 321, and a stator (not shown) is provided outside the fourth housing 32; the exposed part of the rotating shaft 33 The end 332 is provided with an impeller 34, and the end of the third housing 31 has a surrounding cylinder 311 surrounding the impeller 34 inside, and the wall of the surrounding cylinder 311 is formed with a water outlet hole 3111, so that the surrounding cylinder 311 The water flows out through the water outlet hole 3111. When working, the water flow flowing into the casing 311 from the outside drives the impeller 34 to rotate, and the impeller 34 drives the entire rotating shaft 33 to rotate, and the rotating shaft 33 will drive the rotor to rotate when rotating, because the stator is not fixed. In the process of rotation, the rotor will cut the lines of magnetic induction to realize the function of generating electricity.

Preferably, the water outlet channel 23 is located below the assembly chamber 21 of the power generating mechanism, so that after the outlet water flows out through the water outlet hole 3111 on the surrounding cylinder 311 , it can flow into the water storage chamber 22 through the water outlet channel 23 .

Preferably, the fourth housing 32 is formed with a first collar installation part 322 at one end of the rotor movable chamber 321, and a second collar installation part 323 is formed at the other end of the rotor movable chamber 321; A first ceramic collar 6 is installed in the collar installation part 322, and a second ceramic collar 7 is installed in the second collar installation part 323; the rotating shaft 33 passes through the first ceramic collar 6 And the second ceramic collar 7. The hidden end 331 of the rotating shaft 33 is placed in the first ceramic collar 6, and the exposed end 332 of the rotating shaft 33 is placed in the second ceramic collar 7, so that the rotating shaft 33 does not directly contact the fourth housing 32, because the ceramic sleeve The wear resistance of the ring is good. During the rotation of the rotating shaft 33, the first ceramic collar 6 and the second ceramic collar 7 are not easy to wear or damage, which can improve the service life of the entire hydroelectric generating mechanism 3; at the same time, even the first When the ceramic collar 6 or the second ceramic collar 7 is damaged, it is also very convenient to replace.

Preferably, one end of the fourth housing 32 is connected to the third housing 31 through a first extension cylinder 324, and a shaft hole 3241 through which the rotation shaft 33 passes is formed in the first extension cylinder 324. The rotating shaft 33 extends out of the fourth casing 32 through the shaft hole 3241 ; the other end of the fourth casing 32 is provided with a first detachable blocking member 325 . In a specific implementation, the third housing 31 is provided with an extension cylinder mounting portion 314 for receiving the first extension cylinder 324; 325, so that the first detachable blocking part 325 can be disassembled during specific use to facilitate the installation of various components in the fourth housing 32; it is also convenient to install the first detachable blocking part 325 to realize closed effect.

Preferably, the first detachable blocking member 322 includes a blocking end plate 322a that is blocked at the end of the fourth housing 32 and a pressing force for pressing the blocking end plate 322a from the outside. fastener 322b;

The pressing member 322b is provided with at least two pins 3221 , and the fourth housing 32 is provided with a pin insertion hole 326 matched with the pins 3221 . During specific installation, the blocking end plate 322a is first blocked at the end of the fourth housing 32, and then the pin 3221 on the pressing member 322b is inserted into the pin insertion hole 326, and through The pressing member 322b presses the blocking end plate 322a from outside to inside.

Preferably, the pressing member 322b includes a pressing plate 3222 attached to the outer surface of the blocking end plate 322a when being pressed, and the first collar installation portion 322 extends from the blocking end plate 322a to The pressing plate 3222 is to ensure that there is enough space to install the first ceramic collar 6; the outer side of the pressing plate 3222 is provided with a reinforcing part at a position corresponding to the first collar installation part 322 3223, to strengthen the compression plate 3222, and facilitate the extension of the first collar installation portion 322; the pin 3221 is fixedly connected to the outer side of the compression plate 3222 through the reinforcement strip 3224, and the reinforcement strip 3224 It can not only fix the pin 3221 , but also strengthen the pressing plate 3222 .

When the utility model is implemented, in order to achieve a better pressing effect, two pins 3221 are symmetrically arranged on the pressing member 322b, and the angle between the two pins 3221 is 180°; two fixing bars 327 are symmetrically arranged on the fourth housing 32 , and the pin insertion holes 326 are opened on the fixing bars 327 . The pressing member 322b is provided with a second extension column 3225 on the outer side of the reinforcement part 3223, and the second extension column 3225 can facilitate grasping during installation.

Preferably, the third housing 31 is provided with a second detachable blocking member 312 at one end corresponding to the first detachable blocking member 322; Blocking part 312, so that the second detachable blocking part 312 can be disassembled during specific use, so as to facilitate the installation of various parts in the third housing 31; it is also convenient to install the second detachable blocking part 312 , to achieve the closure effect;

The end of the second detachable blocking member 312 is formed with an inserting portion 3121 inserted into the third housing 31 after assembly, and the outer surface of the inserting portion 3121 is in contact with the third housing. The inner walls of 31 fit together, so that the second detachable blocking part 312 and the third housing 31 can be better combined after assembly; the outer wall of the second detachable blocking part 312 is formed with a first sealing groove 3122, the first sealing groove 3122 is provided with a first sealing ring 91 to achieve a sealing effect; The first communication hole 3123 is used to facilitate the wiring between the hydroelectric generating mechanism 3 and the electronic functional part 5 .

Preferably, the second detachable blocking part 312 is provided with at least two assembly blocks 3124, and the third housing 31 is provided with assembly grooves 313 matching with the assembly blocks 3124. During specific assembly , slide the assembly block 3124 on the second detachable blocking part 312 into the assembly groove 313, and push the entire second detachable blocking part 312 forward so that the insertion part 3121 is inserted into the said The inside of the third casing 31 . The second detachable blocking component 312 can be assembled and positioned through the cooperation of the assembly block 3124 and the assembly groove 313 . Preferably, in order to achieve a better assembly positioning effect, the second detachable blocking part 312 is symmetrically provided with two assembly blocks 3124, and the angle between the two assembly blocks 3124 is 180°, The third housing 31 is symmetrically provided with two fitting grooves 313 .

Preferably, the electronic functional part 5 includes a temperature sensor 51 and a display control module 52 fixed at the end of the first housing 1, the temperature sensor 51 is electrically connected to the display control module 52, so as to detect The temperature data is transmitted to the display and control module 52 for display; wherein, the temperature sensor 51 is used to realize the detection of the outlet water temperature, and the display and control module 52 is used to display parameters such as the outlet water temperature. The display and control module 52 includes a storage battery ( Not shown in the figure), the hydroelectric generating mechanism 3 is electrically connected to the storage battery, so as to store electric energy in the storage battery;

The outer wall of the second detachable blocking part 312 is formed with a sensor fitting groove 3125 for receiving the temperature sensor 51 , and the groove wall of the sensor fitting groove 3125 is formed with a hole communicating with the inside of the third housing 31 . The second communication hole 3126, the second communication hole 3126 is used to install the temperature sensor 51 and the wiring. After installation, the temperature sensor 51 will block the second communication hole 3126 to ensure that the water flow cannot enter the third communication hole 3126 through the second communication hole 3126. Inside the housing 31 ; the temperature sensor 51 is fixed on the second communication hole 3126 .

Preferably, a recessed notch 25 is formed in the middle of the second housing 2, and the end wall of the recessed notch 25 has an opening 251 communicating with the first communicating hole 3123, so that the hydroelectric generating mechanism 3 and Routing between electronic functional parts 5 .

Preferably, the faucet also includes a socket 8 sleeved on the end of the surrounding cylinder 311; the socket 8 is provided with a water inlet 81 communicating with the inside of the surrounding cylinder 311, so that Water can enter the inside of the surrounding cylinder 311 through the water inlet 81, and the two sides of the water inlet 81 are formed with diversion slopes 811, so that when the water enters the surrounding cylinder 311, a spiral effect can be formed, thereby better The impeller 34 is pushed to rotate; the outer wall of the sleeve 8 is formed with a second sealing groove 82, and a second sealing ring 92 is arranged in the second sealing groove 82 to achieve a sealing effect. Preferably, in order to ensure that the water entering the surrounding cylinder 311 can better push the impeller 34 to rotate, three water inlets 81 are provided on the sleeve 8 at equal intervals.

Preferably, the end of the generating mechanism assembly chamber 21 is equipped with a water inlet joint 211, and the water inlet joint 211 is used to connect a hose to realize the pulling function; the end of the water storage chamber 22 is equipped with There is a blocking end cap 221 to seal the end of the water storage chamber 22 .

Preferably, a third sealing groove 26 is formed at one end of the second casing 2, a fourth sealing groove 27 is formed at the other end of the second casing 2, and a third sealing ring is disposed in the third sealing groove 26. 93. The fourth sealing groove 27 is provided with a fourth sealing ring 94 to realize the sealing function.

The overall structure of the pull-type faucet of the utility model is very compact and small, and it is very convenient to use; the entire pull-type faucet has good sealing performance, and there will be no water seepage or leakage during use; the entire appearance looks very simple , Beautiful.

Although the specific embodiments of the present utility model have been described above, those skilled in the art should understand that the specific embodiments we describe are only illustrative, rather than used to limit the scope of the present utility model. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present utility model shall fall within the protection scope of the claims of the present utility model.

Claims

A pull-out faucet, characterized in that it includes a first housing, a second housing, a hydroelectric power generation mechanism, a water outlet assembly, and electronic functional parts;

The second housing is sleeved inside the first housing; the second housing is formed with a generator assembly chamber at the water inlet end, and the second housing is formed with a water storage chamber at the water outlet end The assembly chamber of the power generating mechanism communicates with the water storage chamber through a water outlet channel; the outer wall of the second housing forms a water outlet that communicates with the water storage chamber, and the water outlet assembly Assembled on the water outlet; the hydroelectric generating mechanism is assembled in the assembly chamber of the generating mechanism, the electronic functional parts are assembled on the first housing, and the hydroelectric generating mechanism and the electronic functional parts electrical connection.
The pull-out faucet according to claim 1, wherein the hydroelectric generating mechanism comprises a third casing, a fourth casing assembled in the third casing, and a fourth casing rotatably arranged on the fourth casing. a rotating shaft within the housing;

The rotating shaft has a hidden end inserted into the fourth housing and an exposed end extending out of the fourth housing; a rotor activity chamber is formed in the fourth housing, and the rotating shaft corresponds to the rotor The position of the active chamber is provided with a rotor, and the outside of the fourth housing is provided with a stator; the exposed end of the rotating shaft is provided with an impeller, and the end of the third housing has a ring that surrounds the impeller inside. Surrounding the cylinder, the cylinder wall of the surrounding cylinder is formed with water outlet holes.
A pull-out faucet as claimed in claim 2, characterized in that: the fourth housing is formed with a first collar installation part at one end of the rotor movable chamber, and a first collar installation part is formed at the other end of the rotor movable chamber. The second collar installation part; the first ceramic collar is installed in the first collar installation part, and the second ceramic collar is installed in the second collar installation part; the rotating shaft passes through the first ceramic collar collar and a second ceramic collar.
The pull-out faucet according to claim 2, wherein one end of the fourth housing is connected to the third housing through a first extension cylinder, and a supply for supplying water is formed in the first extension cylinder. A shaft hole through which the rotating shaft passes; the other end of the fourth housing is provided with a first detachable blocking component.
A pull-out faucet according to claim 4, characterized in that: the third housing is provided with a second detachable blocking part at an end corresponding to the first detachable blocking part;

The end of the second detachable blocking member is formed with an inserting portion inserted into the third housing after assembly, and the outer surface of the inserting portion is attached to the inner wall of the third housing ; The outer wall of the second detachable blocking part is formed with a first sealing groove, and a first sealing ring is arranged in the first sealing groove; the outer end of the second detachable blocking part is formed with the The first communicating hole communicating with the inside of the third casing.
The pull-out faucet according to claim 5, wherein the electronic functional parts include a temperature sensor and a display and control module fixed at the end of the first casing;

The outer wall of the second detachable blocking part is formed with a sensor assembly groove, and the groove wall of the sensor assembly groove is formed with a second communication hole communicating with the inside of the third housing; the temperature sensor is fixed on on the second communication hole.
The pull-out faucet according to claim 5, wherein a recessed notch is formed in the middle part of the second housing, and the end wall of the recessed notch has a hole communicating with the first communicating hole. opening.
A pull-out faucet according to claim 2, characterized in that: it further comprises a sleeve sleeved on the end of the surrounding cylinder; connected to the water inlet, and the two sides of the water inlet are formed with guide slopes; the outer wall of the sleeve is formed with a second sealing groove, and the second sealing groove is provided with a second sealing ring.
A pull-out faucet according to claim 1, characterized in that: the end of the assembly chamber of the power generating mechanism is equipped with a water inlet joint, and the end of the water storage chamber is equipped with a plugging end build.
The pull-out faucet according to claim 1, wherein a third sealing groove is formed at one end of the second casing, a third sealing ring is arranged in the third sealing groove, and the second casing The other end of the body is formed with a fourth sealing groove, and a fourth sealing ring is arranged in the fourth sealing groove.