Faucet anti-freezing structure

Abstract

The utility model belongs to the technical field of faucets, and particularly relates to an anti-freezing structure of a faucet, which solves the problems that water stored in the faucet cannot be smoothly discharged under the action of atmospheric pressure, and effective anti-freezing cannot be realized. The faucet anti-freezing structure is arranged between a faucet and a water supply pipeline and comprises an anti-freezing valve, the anti-freezing valve is communicated with the faucet and the water supply pipeline in series, a drainage section is further arranged on the anti-freezing valve, the anti-freezing valve at least has a water supply state and an anti-freezing state, the water supply pipeline is communicated with the faucet during water supply, and the drainage section is closed; the water supply pipeline is disconnected from the faucet during freezing prevention, and the drainage section is communicated with the faucet. The water outlet is arranged to balance internal and external air pressure, water stored in the faucet can be smoothly discharged, the effective anti-freezing effect on the faucet is achieved, and operation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of faucets, and in particular relates to an anti-freezing structure for a faucet. Background Art

[0002] A faucet is a component that controls water flow. In an outdoor environment, when the temperature is below freezing, the water in the faucet may freeze and affect subsequent water use, and may even damage the faucet.

[0003] Most of the existing technologies are antifreeze designs for water supply pipes, which have complex structures. However, in fact, the valve core part inside the faucet is the most susceptible to damage. Proper antifreeze of the faucet is more efficient. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems in the prior art and to propose a faucet antifreeze structure.

[0005] In order to achieve the purpose of innovation of this utility model, the following technical solutions can be used:

[0006] A faucet antifreeze structure is arranged between the faucet and the water supply pipeline, including an antifreeze valve. The antifreeze valve connects the faucet and the water supply pipeline in series. The antifreeze valve is also provided with a drainage section. The antifreeze valve has at least two states: water supply and antifreeze. When supplying water, the water supply pipeline is connected to the faucet and the drainage section is closed; when antifreeze, the water supply pipeline is disconnected from the faucet and the drainage section is connected to the faucet.

[0007] The faucet antifreeze structure of the utility model is arranged on the upstream side of the faucet, and its purpose is to discharge the water in the faucet when the faucet needs to be antifreeze, so as to prevent the water from freezing and causing the faucet to be unusable next time or the water from freezing and damaging the faucet. During normal water use, the antifreeze valve switches to the water supply state, and the water supply pipe connects to the faucet, allowing it to be used like a normal faucet. If the water is not to be used for an extended period at night, the antifreeze valve is switched to the antifreeze state, opening the drainage section and closing the water supply pipe. Only water remains in the faucet. When the faucet is turned on, a passage is formed from the drainage section, the faucet water inlet, and the faucet outlet. The atmospheric pressure in the drainage section and the faucet outlet cancel each other out, allowing the water in the faucet to flow out of the faucet outlet or the drainage section under the action of gravity. Therefore, the drainage section is called the drainage section, but it does not necessarily drain water. More importantly, it serves as ventilation. If the drainage section opens upward, the water in the faucet is discharged only from the faucet outlet under the action of gravity. If the faucet outlet is connected to an external pipe and the pipe is higher than the faucet, the water in the faucet is discharged only from the drainage section. Therefore, the drainage section here should be understood as making the faucet and the atmosphere the same, thereby balancing the atmospheric pressure at the faucet outlet and facilitating the discharge of water in the faucet.

[0008] In the above-mentioned faucet antifreeze structure, the antifreeze valve includes a valve body, a valve core, and a switch assembly for controlling the movement of the valve core.

[0009] The valve core of this antifreeze structure can be realized through the existing three-way valve. The three-way valve has three valve ports, which can be connected to the faucet, water supply pipeline and the outside atmosphere respectively. The three-way valve controls the switching of the connection status between the valve ports to achieve both antifreeze and water supply states.

[0010] In the above-mentioned faucet antifreeze structure, the valve body is T-shaped or triangular, the valve core is a three-way valve, including a valve ball rotatably connected to the valve body, and the switch assembly includes an operating part rotatably connected to the valve body, and the operating part is connected to the valve ball and rotates synchronously.

[0011] The valve ball rotates in the channel inside the valve body, and is used to control the connectivity between the two ports of the antifreeze valve and the port of the drainage section. A corresponding water passage is provided on the valve ball. The specific form of the water passage is common knowledge and prior art, and will not be elaborated on. The valve ball is controlled to rotate by the operating part.

[0012] In the above-mentioned faucet antifreeze structure, a connecting rod is rotatably connected to the valve body, the connecting rod passes through the valve body, and the outer end is fixedly connected to the operating part, and the inner end is connected to the corresponding card groove on the valve ball through a straight card body.

[0013] The connecting rod passes through the valve body, with its outer end connected to the operating part and the inner end docking with the card body and the valve ball through the card slot to form a detachable rotation synchronization. The operating part can be a handle or a wheel.

[0014] In the above-mentioned faucet antifreeze structure, the drainage section is arranged vertically downward.

[0015] The downward arrangement of the drainage section is conducive to the discharge of stored water and avoids the accumulation of dust and the like.

[0016] In the above-mentioned faucet antifreeze structure, the antifreeze valve includes a water inlet section and a water outlet section. The water inlet section, water outlet section and drainage section form a three-way connecting pipe fitting extending radially. The water outlet section is connected to the faucet, the water inlet section is connected to the water supply pipeline, and the drainage section is connected to the outside world.

[0017] As another solution, the antifreeze valve and the drainage section can be realized by a three-way connecting pipe fitting, which is provided with an inlet section, an outlet section and a drainage section, and has a lower processing and manufacturing cost than a ball valve structure.

[0018] In the above-mentioned faucet antifreeze structure, the switch assembly includes switch stop valves respectively arranged on the water inlet section and the drainage section.

[0019] In order to achieve the corresponding connection status switching, the switch stop valves are connected in series on the water inlet section and the drainage section respectively. When only one of the two switch stop valves is opened, the faucet can be connected only to the water supply pipe or the drainage section, ensuring normal water conduction function and water discharge function when anti-freeze drainage is required.

[0020] In the above-mentioned faucet antifreeze structure, the three-way connecting pipe is T-shaped or Y-shaped, and the drainage section is arranged downward.

[0021] The connecting pipe can be a conventional T-shaped or a Y-shaped one. The inclined water outlet section is conducive to the outflow of internal water, and the downward setting of the drainage section can avoid dust accumulation.

[0022] In the above-mentioned faucet antifreeze structure, the faucet includes a faucet switch, which is used to open when the faucet is connected to the water supply pipeline to control the water outflow, and to open when the faucet is connected to the drainage section to drain the water in the faucet.

[0023] The faucet naturally includes a faucet switch. When the drainage section is opened, the faucet can be opened at the same time to connect both ends of the faucet to the outside atmosphere. At the same time, the water stored in the faucet mouth due to atmospheric pressure or viscosity can be discharged at the same time to ensure the anti-freeze effect.

[0024] In the above-mentioned faucet antifreeze structure, a filter assembly is provided at the outer port of the drainage section and / or the mouth of the faucet, and the filter assembly includes a filter screen covering the outer port of the drainage section or the mouth of the faucet, or a filter tank assembly detachably connected to the outer port of the drainage section or the mouth of the faucet by a thread.

[0025] The drainage section is equipped with a filter assembly to prevent contamination caused by insects and debris after the tap drains. This filter assembly can be implemented using a filter screen or a filter tank assembly, with a flexible and removable connection to facilitate subsequent maintenance and replacement. The details of the filter screen, filter tank assembly, and their connection are common knowledge and will not be elaborated on.

[0026] Compared with the prior art, the present invention has the following advantages:

[0027] This faucet antifreeze structure can drain the water in the faucet when it needs to be antifreeze, preventing the water from freezing and making it unusable next time or damaging the faucet due to freezing. During use, if you use water normally, the antifreeze valve switches to the water supply state, and the water supply pipe is connected to the faucet, and it can be used like a normal faucet. If you plan to not use water for a long time at night, turn the antifreeze valve to the antifreeze state, open the drainage section, and close the water supply pipe. At this time, only water remains in the faucet. When you turn on the faucet, a passage is formed from the drainage section, the faucet water inlet, and the faucet water outlet. The atmospheric pressure in the drainage section and the faucet water outlet offsets each other, and the water in the faucet flows out from the faucet outlet or the drainage section under the action of gravity. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the overall structure of Example 1 provided by the present utility model;

[0029] Figure 2 This is a structural diagram of the three-way valve provided by the utility model;

[0030] Figure 3 It is a cross-sectional schematic diagram of the three-way valve provided by the utility model;

[0031] Figure 4 It is a schematic diagram of the overall structure of Example 2 provided by the present utility model.

[0032] In the figure, there are antifreeze valve 1, valve core 11, drainage section 12, valve body 13, valve ball 14, three-way connecting pipe fitting 2, water inlet section 21, water outlet section 22, switch stop valve 23, switch assembly 3, operating part 31, faucet 4, faucet switch 41, and water supply pipeline 5. DETAILED DESCRIPTION

[0033] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0034] Example 1

[0035] Specific implementation examples Figure 1-3 As shown, the faucet antifreeze structure is arranged between the faucet 4 and the water supply pipe 5, and includes an antifreeze valve 1. The antifreeze valve 1 connects the faucet 4 and the water supply pipe 5 in series. The antifreeze valve 1 is also provided with a drainage section 12. The antifreeze valve 1 has two states: water supply and antifreeze. When supplying water, the water supply pipe 5 is connected to the faucet 4, and the drainage section 12 is closed; when antifreeze, the water supply pipe 5 is disconnected from the faucet 4, and the drainage section 12 is connected to the faucet 4.

[0036] Specifically, the faucet antifreeze structure is provided on the upstream side of the faucet 4. The purpose is to drain the water in the faucet 4 when antifreeze is required, so as to prevent the water from freezing and becoming unusable or damaging the faucet 4 next time. During use, if water is used normally, the antifreeze valve 1 is switched to the water supply state, the water supply pipe 5 is connected to the faucet 4, and the faucet is used like a normal faucet. If the temperature is low at night and the water is not used for a long time, the antifreeze valve 1 is switched to the antifreeze state, the drainage section 12 is opened, and the water supply pipe 5 is closed. At this time, only water remains in the faucet 4. When the faucet 4 is turned on, a passage is formed from the drainage section 12, the faucet water inlet, and the faucet water outlet. The atmospheric pressure of the drainage section 12 and the faucet water outlet offset each other, and the water in the faucet 4 flows out from the faucet water outlet or the drainage section 12 under the action of gravity. The drainage section 12 connects the faucet 4 to the atmosphere to balance the atmospheric pressure at the faucet water outlet and promote the drainage of the water in the faucet 4.

[0037] like Figure 1 、 2 As shown in Figures 3 and 4, the antifreeze valve 1 comprises a valve body 13, a valve core 11, and a switch assembly 3 that controls the operation of the valve core 11. The valve body 13 is T-shaped, and the valve core 11 is a three-way valve, including a valve ball 14 rotatably connected to the valve body 13. The switch assembly 3 includes an operating portion 31 rotatably connected to the valve body 13. The operating portion 31 is connected to the valve ball 14 and rotates synchronously. A connecting rod is rotatably connected to the valve body 13. The connecting rod passes through the valve body 13, with the outer end fixedly connected to the operating portion 31 and the inner end connected to the corresponding slot on the valve ball 14 via a straight-line clamp. The drainage section 12 is arranged vertically downward.

[0038] Specifically, the valve core 11 is realized by an existing three-way valve. The three-way valve has three valve ports, which can be connected to the faucet 4, the water supply pipe 5 and the outside atmosphere respectively. The three-way valve controls the switching of the connection status between the valve ports to realize the antifreeze and water supply states. The valve ball 14 rotates in the channel inside the valve body 13, and is used to control the connection status between the two ports of the antifreeze valve 1 and the port of the drainage section 12. The valve ball 14 is controlled to rotate by the operating part 31. The connecting rod passes through the valve body 13, and its outer end is connected to the operating part 31, and the inner end is connected to the card groove of the card body and the valve ball 14 to form a detachable rotation synchronization. The downward setting of the drainage section 12 is conducive to the discharge of stored water, while avoiding the accumulation of dust and the like.

[0039] As an optimization of this embodiment, the faucet 4 includes a faucet switch 41, which is used to open when the faucet 4 is connected to the water supply pipe 5 to control the water outflow, and to open when the faucet 4 is connected to the drainage section 12 to drain the stored water in the faucet 4.

[0040] Specifically, a faucet switch 41 is provided in the faucet 4. When the drainage section 12 is opened, the faucet 4 can be opened at the same time so that both ends of the faucet 4 are connected to the outside atmosphere. At the same time, the water stored in the mouth of the faucet 4 due to atmospheric pressure or viscosity can be discharged to ensure the antifreeze effect.

[0041] As an optimization, a filter assembly (not specifically shown in the figure) is provided at the outer opening of the drainage section 12 and the mouth of the faucet 4 . The filter assembly includes a filter mesh covering the outer opening of the drainage section 12 and the mouth of the faucet 4 .

[0042] Specifically, a filter assembly is provided on the drainage section 12 to prevent contamination caused by insects or debris entering after the water in the faucet 4 is drained. The filter assembly is specifically composed of a filter mesh that is detachably arranged on the drainage section 12 and the faucet 4 through a clamping structure, which is convenient for subsequent maintenance and replacement.

[0043] Specific working principle: Under normal conditions, the water supply line 5 is connected to the faucet 4, the drainage section 12 is closed, and the faucet 4 can be opened to drain water normally. When anti-freeze drainage is required, the operating part 31 is rotated to cut off the connection with the water supply line 5, open the drainage section 12 to the outside atmosphere, and simultaneously open the faucet 4. This can quickly drain all the water in the faucet 4 and at the mouth, preventing the adverse effects caused by the water freezing.

[0044] Example 2

[0045] The specific working principle of this embodiment is basically the same as that of embodiment 1, and the difference lies in the implementation of the antifreeze valve 1 and the drainage section 12.

[0046] Specific implementation examples Figure 4 As shown, the antifreeze valve 1 includes an inlet section 21 and an outlet section 22. These sections, along with the drain section 12, form a radially extending three-way connecting pipe 2. The outlet section 22 is connected to the faucet 4, the inlet section 21 is connected to the water supply line 5, and the drain section 12 is connected to the outside world. The switch assembly 3 includes on / off shutoff valves 23, respectively, located on the inlet section 21 and the drain section 12.

[0047] Specifically, the antifreeze valve 1 and the drain section 12 can be implemented using a three-way connecting pipe fitting 2, which is equipped with an inlet section 21, an outlet section 22, and a drain section 12. This reduces manufacturing costs compared to a ball valve-type structure. A shutoff valve 23 is connected in series to each of the inlet section 21 and the drain section 12. Opening only one of these shutoff valves 23 ensures that the faucet 4 is connected only to the water supply line 5 or the drain section 12, ensuring proper water conduction and draining when antifreeze drainage is required.

[0048] In this embodiment, the three-way connecting pipe 2 is Y-shaped, and the drainage section 12 is set downward. The inclined water outlet section 22 is conducive to the outflow of internal water, and the drainage section 12 is set downward to avoid dust accumulation.

[0049] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A faucet antifreeze structure, arranged between a faucet (4) and a water supply pipe (5), characterized in that: The antifreeze valve (1) comprises an antifreeze valve (1), wherein the antifreeze valve (1) is connected in series with a faucet (4) and a water supply pipe (5), and the antifreeze valve (1) is further provided with a drainage section (12). The antifreeze valve (1) has at least two states: water supply and antifreeze. When supplying water, the water supply pipe (5) is connected to the faucet (4) and the drainage section (12) is closed; when antifreeze is in progress, the water supply pipe (5) is disconnected from the faucet (4) and the drainage section (12) is connected to the faucet (4).

2. The faucet antifreeze structure according to claim 1, characterized in that: The antifreeze valve (1) comprises a valve body (13), a valve core (11), and a switch assembly (3) for controlling the movement of the valve core (11).

3. The faucet antifreeze structure according to claim 2, characterized in that: The valve body (13) is T-shaped or triangular, the valve core (11) is a three-way valve, including a valve ball (14) rotatably connected to the valve body (13), and the switch assembly (3) includes an operating part (31) rotatably connected to the valve body (13), and the operating part (31) is connected to the valve ball (14) and rotates synchronously.

4. The faucet antifreeze structure according to claim 3, characterized in that: The valve body (13) is rotatably connected to a connecting rod, which passes through the valve body (13) and has an outer end fixedly connected to the operating portion (31), and an inner end connected to a corresponding slot on the valve ball (14) via a straight-line clamping body.

5. The faucet antifreeze structure according to claim 1, characterized in that: The drainage section (12) is arranged vertically downward.

6. The faucet antifreeze structure according to claim 2, characterized in that: The antifreeze valve (1) includes a water inlet section (21) and a water outlet section (22). The water inlet section (21), the water outlet section (22) and the drainage section (12) form a three-way connecting pipe (2) extending in a radial shape. The water outlet section (22) is connected to the faucet (4), the water inlet section (21) is connected to the water supply pipeline (5), and the drainage section (12) is connected to the outside world.

7. The faucet antifreeze structure according to claim 6, characterized in that: The switch assembly (3) comprises switch stop valves (23) respectively arranged on the water inlet section (21) and the water discharge section (12).

8. The faucet antifreeze structure according to claim 6, characterized in that: The three-way connecting pipe (2) is T-shaped or Y-shaped, and the drainage section (12) is arranged downward.

9. The faucet antifreeze structure according to any one of claims 1 to 8, characterized in that: The faucet (4) includes a faucet switch (41), which is used to open when the faucet (4) is connected to the water supply pipe (5) to control water discharge, and is used to open when the faucet (4) is connected to the drainage section (12) to drain the water in the faucet (4).

10. The faucet antifreeze structure according to any one of claims 1 to 8, characterized in that: The outer opening of the drainage section (12) and / or the mouth of the faucet (4) is provided with a filter assembly, and the filter assembly includes a filter screen covering the outer opening of the drainage section (12) or the mouth of the faucet (4), or a filter tank assembly detachably connected to the outer opening of the drainage section (12) or the mouth of the faucet (4) through a thread.

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