Double-handle faucet

By setting valve cores and handles in the double-handle faucet, using high-pressure hoses and high-temperature resistant hoses, the functions of water purification and boiling water are realized, and the complex structure and installation problems in the existing technology are solved, and a convenient and safe drinking water solution is achieved.

CN223004484UActive Publication Date: 2025-06-20XIAMEN LOTA INT CO LTD
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Patent Information

Application Number
CN202422323198.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-06-20
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

The existing double-handle faucet requires the integration of multiple water pipes, resulting in complex structures and difficult installation.

Method used

A double-handle faucet is designed. By setting valve cores and handles on both sides of the faucet body, high-pressure hoses and high-temperature resistant hoses are used to achieve the functions of purifying water and boiling water.

Benefits of technology

The water pipe structure is simplified, the installation complexity is reduced, and the water outlet type is convenient to switch, meeting the needs of drinking water sanitation, safety and convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223004484U_ABST
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Abstract

The double-handle faucet comprises a faucet body, a left handle and a right handle, the left handle and the right handle are arranged on the two sides of the faucet body, a water inlet pipe of the faucet body comprises a first high-pressure hose, a second high-pressure hose and a high-temperature-resistant hose, and valve elements are arranged between the faucet body and the left handle and between the faucet body and the right handle respectively. A right valve element on one side of the right handle is arranged on a valve element seat, arranged in a valve body of the faucet body through a right valve element connector and fixed through a right gland, and the right handle comprises a right handle seat and a handle rod. A left valve element on one side of the left handle is fixed in a valve body of the faucet body through a left valve element connector, a fixing ring and a left gland. The left handle comprises a left handle base, a fixing connector, a valve rod and a lifting rod. Two water channels and two water outlet holes are formed in the valve element seat, the water outlet holes of the valve element seat correspond to the different water channels by adjusting the left handle and the right handle, adjustment of different water outlet types of the whole faucet is conducted, and water is discharged through the same water outlet.
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Description

Technical Field

[0001] The utility model belongs to the field of faucets, and particularly relates to a double - handle faucet. Background Art

[0002] With the development of society up to now, people have paid more and more attention to health and hygiene. Among them, drinking water safety is a very important part. Therefore, most urban residents' families will configure water purifiers to further provide drinking water safety. At the same time, water - using convenience is also one of the customer requirements. In daily life, people mostly drink boiled water or use water dispensers. For the sake of convenience, some residents will also install water heaters to improve the convenience of drinking water. Therefore, a faucet that can be connected to a water purifier and a water heater at the same time and can discharge purified water and boiled water is becoming more and more popular, and such products on the market are gradually increasing. In the prior art, there are also multi - handle controlled faucets that discharge multiple types of water, but generally, by integrating multiple outlet pipes, the overall structure is relatively complex and more pipes need to be set. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the problem in the prior art that a double - handle faucet needs to integrate multiple pipes.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A double - handle faucet, including a faucet body, a left handle and a right handle arranged on both sides of the faucet body. The inlet pipe of the faucet body includes a first high - pressure hose, a second high - pressure hose and a high - temperature - resistant hose. A valve core is arranged between the faucet body and the left and right handles respectively. The right valve core on one side of the right handle is arranged on a valve core seat and is arranged in the valve body of the faucet body through a right valve core joint and is fixed by a right gland. The right handle includes a right handle seat and a handle rod. The left valve core on one side of the left handle is fixed in the valve body of the faucet body through a left valve core joint, a fixing ring and a left gland. The left handle includes a left handle seat, a fixed joint, a valve rod and a lifting rod; Two water channels and two water outlet holes are arranged in the valve core seat. By adjusting the left and right handles, the water outlet holes of the valve core seat correspond to different water channels to adjust different water outlet types of the whole faucet, and all water is discharged from the same water outlet.

[0005] Preferably, the different water outlet types are discharging purified water and discharging boiled water.

[0006] Preferably, the second high - pressure hose is connected to the water inlet end of a water heater, and the high - temperature - resistant hose is connected to the water outlet end of the water heater.

[0007] Preferably, when the left handle is opened, water enters the first water inlet hole of the valve core seat from the first high-pressure hose, passes through the bottom of the valve core, then exits from the side of the valve core to the first water outlet channel of the valve core seat, and then enters the water inlet end of the water heater from the first water outlet hole through the first water outlet channel and the second high-pressure hose. Then, it enters the second water outlet channel from the water outlet end of the water heater through the high-temperature resistant hose from the second water inlet hole of the valve core seat, and finally flows out from the second water outlet hole of the valve core seat through the connecting rod and the water nozzle group to the faucet water outlet. When the right handle is opened, water enters the first water inlet hole of the valve core seat from the first high-pressure hose, passes through the bottom of the valve core, then exits from the side of the valve core to the second water outlet channel of the valve core seat, and finally flows out from the second water outlet hole of the valve core seat through the faucet water outlet.

[0008] Preferably, the left handle is provided with a child lock and an automatic return structure to further prevent the risk of scalding.

[0009] Preferably, the child lock and the automatic return structure are that there are 3 cut grooves provided at the bottom of the left valve core joint and the valve core joint, and 3 ribs are correspondingly provided on the valve body of the faucet body. When assembled, the 3 cut grooves of the valve core joint are clamped into the 3 ribs of the valve body, and at the same time, it is tightly fixed by the left gland, so that the bayonet at the upper part of the left valve core joint is aligned with the valve rod. One end of the valve rod is clamped into the bayonet, and the other end is threadedly connected with the lifting rod. The handle cannot be rotated in the closed state. The return spring is fixed on the left valve core through a fixing ring. When the handle is to be opened, the lifting rod needs to be lifted to make the valve rod disengage from the bayonet of the valve core joint and then rotated to open the left valve core. When the hand is released after opening, the handle automatically returns to the valve core closed position under the action of the return spring. At the same time, under the action of the spring connected under the lifting rod, the valve rod will automatically rebound and be clamped into the bayonet of the valve core joint.

[0010] Preferably, the water outlet group of the faucet body is a pipe-in-pipe structure, specifically, a metal pipe is inserted into a silicone tube.

[0011] The utility model has the following beneficial effects: The utility model patent proposes a dual-functional faucet that can discharge boiling water and purified water, which is controlled by a dual-handle structure, meeting the current people's requirements for drinking water hygiene, safety and convenience. The water outlet assembly of the utility model only needs one water outlet pipe, which is simpler in structure and more convenient to install compared with the prior art that requires an integrated water outlet pipe structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, so they should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 is the three-dimensional exploded view of the present utility model;

[0014] Figure 2 is the water flow diagram inside the valve core seat of the present utility model;

[0015] Figure 3 corresponds to Figure 2 the cross-sectional view of the valve core seat;

[0016] Figure 4 is the cross-sectional view of the valve core seat in the direction orthogonal (A-A direction) to the Figure 3 cross-sectional view;

[0017] Figure 5 is the cross-sectional view of the left handle of the present utility model;

[0018] Figure 6 is the three-dimensional schematic diagram of the present utility model;

[0019] Figure 7 is the schematic diagram of the valve core joint of the present utility model;

[0020] Figure 8 is the schematic diagram of the valve body of the present utility model;

[0021] Figure 9 is the schematic diagram of the water outlet group of the present utility model.

[0022] In the figure: 1 - the first high-pressure hose; 2 - the second high-pressure hose; 3 - the high-temperature resistant hose; 4 - the right handle seat; 5 - the right handle rod; 6 - the right gland; 7 - the right valve core; 8 - the right valve core joint; 9 - the valve core seat; 10 - the valve body; 11 - the connecting rod; 12 - the first bushing; 13 - the second bushing; 14 - the water nozzle group; 15 - the left valve core joint; 16 - the left valve core; 17 - the first fixing ring; 18 - the return spring; 19 - the second fixing ring; 20 - the left gland; 21 - the left handle seat; 22 - the left fixed joint; 23 - the valve rod; 24 - the connecting spring; 25 - the left joint; 26 - the lifting rod; 27 - the first water outlet channel; 28 - the second water outlet channel; 29 - the first water outlet hole; 30 - the second water inlet hole; 31 - the second water outlet hole; 32 - the first water inlet hole; 33 - the faucet body; 34 - the buckle; 35 - the cut groove; 36 - the rib; 37 - the metal pipe; 38 - the silicone pipe. Detailed implementation mode

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of the present utility model.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0026] In the present utility model, unless otherwise clearly defined and limited, the terms "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may also include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0028] Embodiment

[0029] The following are only the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the following embodiments. Any technical solutions falling within the concept of the present utility model belong to the protection scope of the present utility model.

[0030] Refer to the attached drawings of the specification Figures 1-6 , a double-handle faucet, comprising a faucet body 33, a left handle and a right handle arranged on both sides of the faucet body. The water inlet pipe of the faucet body includes a first high-pressure hose 1, a second high-pressure hose 2 and a high-temperature resistant hose 3. A valve core is arranged between the faucet body 33 and the left and right handles respectively. The right valve core 7 on one side of the right handle is arranged on a valve core seat 9 and is arranged in a valve body 10 of the faucet body 33 through a right valve core joint 8 and is fixed by a right gland 6. The right handle includes a right handle seat 4 and a handle rod 5. The left valve core 16 on one side of the left handle is fixed in the valve body 10 of the faucet body through a left valve core joint 15, a first fixing ring 17, a second fixing ring 19 and a left gland 20. The left handle includes a left handle seat 21, a left fixing joint 22, a valve rod 23 and a lifting rod 26; two water channels and two water outlet holes are arranged in the valve core seat 9. By adjusting the left and right handles, the water outlet holes of the valve core seat correspond to different water channels to adjust different water outlet types of the whole faucet, and all water outlets are from the same water outlet. The different water outlet types are purified water and boiled water. The second high-pressure hose 2 is connected to the water inlet end of a water heater, and the high-temperature resistant hose 3 is connected to the water outlet end of the water heater.

[0031] When the left handle is opened, water enters the first water inlet hole 32 of the valve core seat 9 from the first high-pressure hose 1, passes through the bottom of the valve core, then exits from the side of the valve core to the first water outlet channel 27 of the valve core seat 9, and then enters the water inlet end of the water heater from the first water outlet hole 29 through the first water outlet channel 27 and the second high-pressure hose 2. Then, it enters the second water outlet channel 28 from the water outlet end of the water heater through the high-temperature resistant hose 3 and the second water inlet hole 30 of the valve core seat 9, and finally flows out from the second water outlet hole 31 of the valve core seat 9 through the connecting rod 11 and the water nozzle group and out of the faucet outlet. When the right handle is opened, water enters the first water inlet hole 32 of the valve core seat 9 from the first high-pressure hose 1, passes through the bottom of the valve core, then exits from the side of the valve core to the second water outlet channel 28 of the valve core seat, and finally flows out from the second water outlet hole 31 of the valve core seat through the faucet outlet.

[0032] Refer to the attached instructions Figures 7-8 The left handle is provided with a child lock and an automatic return structure to further prevent the risk of scalding. The child lock and the automatic return structure are that there are 3 cut grooves 35 at the bottom of the left valve core joint 15 and the valve core joint, and 3 ribs 36 are correspondingly arranged on the valve body 10 of the faucet body. When assembling, the 3 cut grooves 35 of the valve core joint are snapped into the 3 ribs of the valve body, and at the same time, it is tightly fixed by the left gland 20, so that the bayonet at the upper part of the left valve core 16 joint is aligned with the valve rod 23. One end of the valve rod 23 is snapped into the bayonet 34, and the other end is threadedly connected to the lifting rod 26. The handle cannot be rotated in the closed state. The return spring 18 is fixed on the left valve core through a fixing ring. When the handle is to be opened, the lifting rod 26 needs to be lifted to disengage the valve rod 23 from the bayonet 34 of the left valve core joint 22 and then rotated to open the left valve core 16. After opening, the hand needs to keep pressing the handle at the opening position of the left valve core 16 to keep the water flowing. When the hand is released, under the action of the return spring 18, the handle automatically returns to the closed position of the left valve core 16, and at the same time, under the action of the spring connected below the lifting rod 26, the valve rod 23 will automatically rebound and snap into the bayonet of the left valve core joint 15.

[0033] Refer to the attached instructions Figure 9 The water outlet group of the faucet body is a pipe-in-pipe structure, specifically, a silicone tube 38 is inserted into a metal tube 37.

[0034] The above embodiments are only for illustrating the technical concept and characteristics of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and it cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A double-handle faucet, characterized in that: It includes a faucet body and a left handle and a right handle arranged on both sides of the faucet body, the water inlet pipe of the faucet body includes a first high-pressure hose, a second high-pressure hose and a high-temperature resistant hose, valve cores are respectively arranged between the faucet body and the left handle and the right handle, the right valve core on the right handle side is arranged on the valve core seat and is arranged in the valve body of the faucet body through a right valve core joint and is fixed through a right pressure cap, the right handle includes a right handle seat and a handle rod, the left valve core on the left handle side is fixed in the valve body of the faucet body through a left valve core joint, a fixing ring and a left pressure cap, the left handle includes a left handle seat, a fixing joint, a valve stem and a lifting rod; two water channels and two water outlets are arranged in the valve core seat, and the water outlet holes of the valve core seat can be adjusted to correspond to different water channels by adjusting the left handle and the right handle to adjust the different water outlet types of the faucet as a whole and all water is discharged from the same water outlet.

2. The double-handle faucet according to claim 1, characterized in that: The different water output types are purified water and boiled water.

3. The double-handle faucet according to claim 2, characterized in that: The second high-pressure hose is connected to the water inlet of a water boiler, and the high-temperature resistant hose is connected to the water outlet of the water boiler.

4. The double-handle faucet according to claim 3, characterized in that: When the left handle is opened, water enters the first water inlet hole of the valve core seat from the first high-pressure hose, passes through the bottom of the valve core, and then flows out from the side of the valve core to the first water outlet channel of the valve core seat, and then enters the water inlet end of the water boiler from the second high-pressure hose from the first water outlet channel, and then enters the second water outlet channel from the second water inlet hole of the valve core seat from the water outlet end of the water boiler through the high-temperature resistant hose, and finally flows out from the faucet outlet from the second water outlet hole of the valve core seat through the connecting rod and the water nozzle group; when the right handle is opened, water enters the first water inlet hole of the valve core seat from the first high-pressure hose, passes through the bottom of the valve core, and then flows out from the side of the valve core to the second water outlet channel of the valve core seat, and finally flows out from the second water outlet hole of the valve core seat through the faucet outlet.

5. The double-handle faucet according to claim 4, characterized in that: The left handle is provided with a child lock and an automatic rebound structure to further prevent the risk of scalding.

6. The double-handle faucet according to claim 5, characterized in that: The child lock and automatic rebound structure are the left valve core joint and three grooves are set at the bottom of the valve core joint, and the valve body of the faucet body is correspondingly set with three ribs. When assembling, the three grooves of the valve core joint are inserted into the three ribs of the valve body, and at the same time, they are pressed and fixed by the left pressure cover, so that the bayonet on the upper part of the left valve core joint is opposite to the valve stem, one end of the valve stem is inserted into the bayonet, and the other end is threadedly connected with the lifting rod, and the handle cannot be rotated in the closed state; the return spring is fixed to the left valve core by a fixing ring. When the handle is to be opened, the lifting rod needs to be lifted up to make the valve stem disengage from the bayonet of the valve core joint and then rotated to open the left valve core. After opening, the hand needs to keep the handle pressed in the opening position of the left valve core to keep turning on the water. When the hand is released, the handle automatically returns to the closed position of the valve core under the action of the return spring. At the same time, under the action of the connecting spring under the lifting rod, the valve stem automatically rebounds and is stuck in the bayonet of the valve core joint.

7. The double-handle faucet according to claim 6, characterized in that: The water outlet group of the faucet body is a tube-in-tube structure, specifically, a metal tube is inserted into a silicone tube.