Handle assembly for a faucet and a faucet preventing cross-contamination

Abstract

The present application belongs to the technical field of faucet. In daily life, people always have such a pain point when washing hands: when holding the handle of the faucet to open the faucet, the dirty hands will contaminate the handle of the faucet - in order to prevent cross contamination, the handle of the faucet also needs to be washed every time when washing hands, which is very troublesome; in order to prevent cross contamination, people often use elbows to open the faucet when washing hands, which is very awkward and inconvenient; although the inductive faucet can solve the above-mentioned pain point, its purchase cost is high and there is maintenance cost, which is not suitable for entering ordinary people's homes. The present application comprises: a main handle (12) with a gear, an auxiliary handle (13) with a gear. Each time when washing hands, first twist the auxiliary handle to indirectly open the faucet through the transmission of the gear; after washing hands, twist the main handle to turn off the faucet - in this way, the clean hands will not have cross contamination when using the main handle to turn off the faucet; the cost of the product is low.

Description

Technical Field

[0001] This invention relates to the field of faucet technology, and more particularly to faucet handle assemblies and faucets that prevent cross-contamination. Background Technology

[0002] When people turn on the faucet to wash their hands, their dirty hands contaminate the faucet handle, making it a dirty handle. When they turn off the faucet after washing their hands, they then re-contaminate their clean hands with the dirty handle – this is cross-contamination. To prevent this, people wash the faucet handle every time they wash their hands, but this is inconvenient. To avoid this inconvenience, people use their elbows to turn on the faucet, but this feels awkward and makes it difficult to control the water flow.

[0003] While sensor-operated faucets can solve the above-mentioned problems, their high purchase cost and maintenance expenses make them unsuitable for ordinary households. Summary of the Invention

[0004] Purpose of the invention: The present invention aims to produce a faucet that prevents cross-contamination at a low cost by utilizing the faucet handle assembly.

[0005] Technical solution: A faucet handle assembly, comprising: a main handle with a drive device and an auxiliary handle with a drive device, wherein the main handle with the drive device is provided with a first mounting interface adapted to and connected to the faucet valve core, and the auxiliary handle with the drive device is provided with a second mounting interface adapted to and connected to the faucet body or the water pipe at the end of the faucet body. The transmission device includes: gears; The first installation interface includes: a cutout; The second mounting interface includes: a through hole; A faucet designed to prevent cross-contamination includes: a faucet body, one end of which is a water outlet and the other end is connected to a water pipe; and a handle assembly and a columnar body, wherein the columnar body is fixedly mounted on the faucet body or fixedly connected to the water pipe at the end of the faucet body; the main handle with a transmission device in the handle assembly is fixedly connected to the valve core on the faucet body; and the auxiliary handle with a transmission device in the handle assembly is rotatably connected to the columnar body. Under the action of external force, the main handle of the belt drive device and the auxiliary handle of the belt drive device are driven by each other through the drive device, or: Under the action of external force, the main handle of the belt drive device and the auxiliary handle of the belt drive device are driven by each other through the drive device and at least one intermediate drive device; The columnar body includes: a rotating shaft; The intermediate transmission device includes: a short rotating shaft and an intermediate gear. The short rotating shaft is fixedly placed on the faucet body or fixedly connected to the water pipe at the end of the faucet body. The intermediate gear and the short rotating shaft are rotatably connected through a shallow through hole on the intermediate gear.

[0006] Beneficial effects: Each time you wash your hands, first turn the auxiliary handle of the belt drive device to indirectly turn on the faucet through the transmission device; after washing your hands, turn the main handle of the belt drive device to turn off the faucet directly—in this way, the main handle is never contaminated by dirty hands, and there will be no cross-contamination when you turn off the faucet with your clean hands; the product is inexpensive. Attached Figure Description

[0007] Figure 1 A schematic diagram of the faucet handle assembly; In the diagram: 12-Main handle with gear, 121-Handle 1, 122-Gear 1, 13-Auxiliary handle with gear, 131-Handle 2, 132-Gear 2, 133-Through hole.

[0008] Figure 2 This is an exploded view of the first embodiment. Figure 3 This is an overall schematic diagram of the first embodiment; In the diagram: 21-faucet body, 211-shaft, 212-valve core, 22-screw one, 23-screw two, 24-decorative cover one, 25-decorative cover two.

[0009] Figure 4 This is an exploded view of the second embodiment. Figure 5 This is an overall schematic diagram of the second embodiment; In the diagram: 41-faucet body, 411-short shaft, 42-intermediate gear, 421-shallow through hole, 43-screw. Detailed Implementation

[0010] Figure 1 As shown, handle one (121) is a traditional faucet handle structure with a hollowed-out part at the bottom for fitting the valve core. The handle one (121) and gear one (122) are integrally cast or integrally injection molded to form the geared main handle (12). The central hollowed-out part of gear one (122) and the hollowed-out part at the bottom of handle one (121) are the installation interface for fitting and connecting the geared main handle (12) and the faucet valve core. Handle 2 (131) and gear 2 (132) are integrally cast or integrally injection molded to form an auxiliary handle (13) with gears. The auxiliary handle (13) with gears is provided with a through hole (133) centered on the gear and extending vertically. The through hole is the installation interface for the auxiliary handle (13) with gears to be adapted to connect with the faucet body or the water pipe at the end of the faucet body. The gear on the main handle (12) with gears is adapted to the gear on the auxiliary handle (13) with gears.

[0011] First Implementation Method like Figure 2 As shown, the faucet body (21) has a valve core (212) and a rotating shaft (211). The rotating shaft is located on the upper surface of the faucet body and is integrally cast or integrally injection molded with the faucet body. Place the geared main handle (12) downwards onto the valve core (212), and then use screw one (22) to fix the geared main handle (12) to the valve core (212). After fixing, the bottom surface of gear one (122) is suspended. Finally, attach decorative cover one (24) above screw one (22). The pivot (211) passes through the through hole (133) from bottom to top, and then screw two (23) is screwed on the top of the pivot (211). Finally, decorative cover two (25) is attached above screw two (23). The length of the pivot (211) is greater than the height of the through hole (133), and the diameter of the pivot (211) is smaller than the diameter of the through hole (133) to ensure that the auxiliary handle (13) with gears can rotate smoothly on the faucet body (21) with the pivot (211) as the axis. Finally, food-grade lubricating oil is applied to the surface of the pivot, the bottom surface of gear two (132), and the tooth surfaces of gear one (122) and gear two (132) so that the main handle (12) with gears and the auxiliary handle (13) with gears will be very smooth and easy to turn. After installation, the first gear (122) on the main handle (12) with gears and the second gear (132) on the auxiliary handle (13) with gears are in a meshing connection state; Work process: such as Figure 3 As shown, each time you wash your hands, first grasp the auxiliary handle (13) with gears and turn it clockwise so that the main handle (12) with gears rotates counterclockwise under the drive of the gears, indirectly turning on the faucet; after washing your hands, grasp the main handle (12) with gears with your clean hands and turn off the faucet directly.

[0012] Second Implementation Method like Figure 4As shown, in this embodiment, there is an intermediate gear (42) between the main handle (12) with gear and the auxiliary handle (13) with gear, and a short shaft (411) adapted to and connected to the intermediate gear (42) on the faucet body (41). The short shaft (411) and the faucet body (41) are integrally cast or integrally injection molded. The low-profile shaft (411) passes through the shallow through hole (421) from bottom to top, and then the screw (43) is screwed on the top of the low-profile shaft (411). The length of the low-profile shaft (411) is greater than the height of the shallow through hole (421), and the diameter of the low-profile shaft (411) is smaller than the diameter of the shallow through hole (421) to ensure that the intermediate gear (42) can rotate smoothly on the faucet body (41) with the low-profile shaft (411) as the axis. Then, food-grade lubricating oil is applied to the low-profile shaft, the bottom surface of the intermediate gear, and the tooth surface. Figure 4 The other components and installation methods are the same as in the first embodiment (and will not be described again). After installation, the gear on the main handle (12) with gears and the intermediate gear (42), and the intermediate gear (42) and the gear on the auxiliary handle (13) with gears are all in a meshing connection state. The intermediate gear (42) and the rotatable shaft (411) connected to it constitute the intermediate transmission device of this embodiment. Work process: such as Figure 5 As shown, each time you wash your hands, first grab the auxiliary handle (13) with gears and turn it counterclockwise. The middle gear (42) will then rotate clockwise. At the same time, the main handle (12) with gears will also rotate counterclockwise under the drive of the middle gear (42), indirectly turning on the faucet. After washing your hands, grab the main handle (12) with gears with your clean hands and turn off the faucet directly.

[0013] Special note: The rotating shaft that is adapted to the through hole (133) on the auxiliary handle (13) with gear can be fixed on the upper surface of the faucet body, or it can be fixed on the upper surface of the water pipe at the end of the faucet body (but this is not the preferred method) - that is, in the faucet handle assembly, the through hole (133) is the installation interface for the auxiliary handle (13) with gear to be adapted to the faucet body or the water pipe at the end of the faucet body; In the intermediate transmission device described in the second embodiment, the short shaft (411) can be fixed on the upper surface of the faucet body (41) and also on the upper surface of the water pipe at the end of the faucet body (but this is not the preferred method).

Claims

1. A faucet handle assembly, characterized in that, include: The main handle with a drive device and the auxiliary handle with a drive device are provided. The main handle with the drive device is provided with a first installation interface that is adapted to connect with the faucet valve core, and the auxiliary handle with the drive device is provided with a second installation interface that is adapted to connect with the faucet body or the water pipe at the end of the faucet body. After the faucet handle assembly is installed, under the action of external force, the main handle with the belt drive and the auxiliary handle with the belt drive drive drive each other through the drive device, or: Under the action of external force, the main handle of the belt drive device and the auxiliary handle of the belt drive device are driven by each other through the drive device and at least one intermediate drive device.

2. The faucet handle assembly according to claim 1, characterized in that, The transmission device includes: gears.

3. The faucet handle assembly according to claim 1, characterized in that, The first mounting interface includes: a cutout.

4. The faucet handle assembly according to claim 1, characterized in that, The second mounting interface includes a through hole (133).

5. Faucets to prevent cross-contamination, including: A faucet body, one end of which is a water outlet and the other end is connected to a water pipe, characterized in that it further includes: a handle assembly of the faucet according to any one of claims 1 to 4, and a columnar body, wherein the columnar body is fixedly placed on the faucet body or fixedly connected to the water pipe at the end of the faucet body, wherein the main handle with a transmission device in the handle assembly of the faucet is fixedly connected to the valve core on the faucet body, and the auxiliary handle with a transmission device in the handle assembly of the faucet is rotatably connected to the columnar body; Under the action of external force, the main handle of the belt drive device and the auxiliary handle of the belt drive device are driven by each other through the drive device, or: Under the action of external force, the main handle of the belt drive device and the auxiliary handle of the belt drive device are driven by each other through the drive device and at least one intermediate drive device.

6. The faucet for preventing cross-contamination according to claim 5, characterized in that, The columnar body includes: a rotating shaft.

7. The faucet for preventing cross-contamination according to claim 5, characterized in that, The intermediate transmission device includes: a short rotating shaft (411) and an intermediate gear (42). The short rotating shaft (411) is fixedly placed on the faucet body or fixedly connected to the water pipe at the end of the faucet body. The intermediate gear (42) and the short rotating shaft (411) are rotatably connected through a shallow through hole (421) on the intermediate gear.

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