Faucet

Abstract

The utility model relates to the technical field of faucets, and discloses a faucet which comprises a faucet base body and a mandrel, and the faucet base body comprises a water inlet channel and a water outlet channel which are formed in the two ends of the faucet base body; the water through hole is formed in the faucet base body and communicates the water inlet channel with the water outlet channel; the core shaft comprises a valve element which is inserted into the water outlet channel through the open hole in the top of the faucet base body and installed at the bottom end of the core shaft. The faucet solves the problems that when water is frozen, the size can be expanded, a water supply pipeline is a closed system, once the water is frozen, the expanded size can enable the faucet, a water meter, a pipeline connector and other fragile parts to be damaged firstly, after cold waves, the temperature rises again, ice in the water supply pipeline melts, the damaged parts leak water, and at the moment, the damaged parts need to be replaced; and therefore, the situation of relatively large economic loss is caused.

Description

Technical Field

[0001] The utility model relates to the technical field of faucets, in particular to a faucet. Background Art

[0002] The faucet is a common name for a water valve, which is used to control the size of the water flow and has the effect of saving water. In some "non-heating areas" in my country, when extreme temperatures occur in winter, the temperature will be around minus ten degrees or even lower. In such extreme low temperatures, the water supply system will be damaged on a large scale, the water supply pipes will be frozen and cracked, and the residents' water meters will burst, which will cause a large-scale paralysis of the water supply. The workload of front-end services such as hotline customer service and maintenance services will increase dramatically. The economic losses caused by this often reach tens of millions of yuan in a county. In order to reduce the losses, the faucets need to be improved.

[0003] Because water expands when it freezes, and the water supply pipe is a closed system, once it freezes, the expanded volume will cause the vulnerable parts such as faucets, water meters, and pipe joints to be damaged first. After the cold wave, the temperature rises, the ice in the water supply pipe melts, and the damaged parts will leak, resulting in insufficient water pressure and an inability to supply water to users. At this time, the damaged parts need to be replaced to ensure that the water supply system is closed and has sufficient water pressure to supply water, which will cause large economic losses. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a faucet to solve the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: a faucet, comprising a faucet base and a core shaft, wherein the faucet base comprises:

[0006] A water inlet and a water outlet are provided at both ends of the faucet base;

[0007] A water hole is provided inside the faucet base and connects the water inlet and the water outlet to each other;

[0008] The spindle comprises: a valve core inserted into the water outlet through an open hole at the top of the faucet base and installed at the bottom end of the spindle;

[0009] The core shaft is provided with a linear through hole, a low-temperature shrink ball is placed inside the linear through hole, and the valve core is provided with a linear hole flow channel, which connects the inside of the linear through hole with the inside of the water inlet through the bottom end.

[0010] Preferably, the inner wall of the linear through hole is equipped with a retaining ring, a fence is provided inside the retaining ring, the inner diameter of the retaining ring is 1.5-7 mm, and the inner diameter of the linear hole flow channel corresponds to the inner diameter of the retaining ring.

[0011] Preferably, the inner diameter of the linear through hole is 2-8 mm, and the low-temperature shrinkage ball is a spherical structure with a diameter of 2-8 mm.

[0012] Preferably, a faucet upper cover is installed on the top of the faucet base, the top of the core shaft passes through the middle of the faucet upper cover and is installed with a handle, and a sealing gasket is provided between the faucet upper cover and the faucet base.

[0013] Preferably, the mandrel comprises:

[0014] A first rotating shaft penetrating through and screwed onto the faucet upper cover;

[0015] A second rotating shaft disposed at the bottom end of the first rotating shaft; and

[0016] A receiving tank is provided at the bottom end of the second rotating shaft and accommodates the installation of the valve core.

[0017] Preferably, a stuffing box is sleeved on the second rotating shaft.

[0018] Preferably, a rubber pad is installed at the bottom of the valve core.

[0019] Preferably, a cavity for accommodating the upward and downward movement of the valve core is provided in the space above the water through hole inside the water outlet.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. The faucet is provided with a linear through hole on the core shaft, and the water inlet and the water outlet are connected by the linear hole flow channel on the valve core. When the pipe system freezes at low temperature, the pipe wall begins to freeze gradually, so that the expanded ice cubes flow out the excess water from the linear hole flow channel and the linear through hole, so that the water in the pipe is always in a flowing state, and then when the pipe is completely frozen, the expanded excess tap water will be discharged, and the fragile parts such as the connection between the faucet and the pipe will not be frozen even at extremely low temperatures.

[0022] 2. The faucet is provided with a retaining ring and a low-temperature shrink ball in the linear through hole, and is sealed in cooperation with the water pressure in the linear hole flow channel. In a non-low-temperature state, the faucet is in a normal use state, and the faucet will not drip continuously, thus avoiding the waste of water resources in a non-low-temperature state.

[0023] 3. The faucet connects the water inlet and the water outlet by opening linear through holes and linear hole flow channels, and uses a low-temperature shrink ball to seal the linear through holes. The structure itself is simple, and the change is small, and the appearance of the faucet will not be affected rashly. Therefore, it can be applied to a variety of faucets, so that faucets of different shapes can all have anti-freeze cracking function, thereby increasing the service life of faucets, water meters, pipes, etc. in low temperature environments.

[0024] 4. The faucet has a fence arranged inside the retaining ring. When the low-temperature shrink ball shrinks due to the temperature, it is blocked by the fence inside the linear through hole to prevent the low-temperature shrink ball from being washed out by the water flow. After the temperature rises, the low-temperature shrink ball quickly returns to its normal size and blocks the linear through hole, ensuring that the faucet can still be used normally and avoiding faucet leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall side section structure of the utility model;

[0026] Figure 2 For this utility model Figure 1 Schematic diagram of the normal blockage structure of the low-temperature shrink ball at A in the middle;

[0027] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the low-temperature shrink ball at A in the middle when it cools down and shrinks;

[0028] Figure 4 This is a schematic diagram of the core shaft structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the valve core structure of the utility model.

[0030] In the figure: 1. faucet base; 2. water inlet; 3. water outlet; 4. water hole; 5. core shaft; 51. first rotating shaft; 52. second rotating shaft; 53. storage tank; 6. faucet upper cover; 7. valve core; 8. sealing gasket; 9. handle; 10. rubber pad; 11. linear through hole; 12. retaining ring; 13. low temperature shrink ball; 14. linear hole flow channel; 15. stuffing box. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-5 The faucet comprises a faucet base 1 and a spindle 5. The faucet base 1 comprises:

[0033] A water inlet 2 and a water outlet 3 are provided at both ends of the faucet base 1;

[0034] A water hole 4 is provided inside the faucet base 1 and connects the water inlet 2 and the water outlet 3 to each other;

[0035] The core shaft 5 includes: a valve core 7 inserted into the water outlet 3 through the open hole at the top of the faucet base 1 and installed at the bottom end of the core shaft 5;

[0036] Among them, a linear through hole 11 is opened on the core shaft 5, and a low-temperature shrink ball 13 is placed inside the linear through hole 11. A linear hole flow channel 14 is opened on the valve core 7. The linear hole flow channel 14 connects the interior of the linear through hole 11 with the interior of the water inlet 2 through the bottom end. The low-temperature shrink ball 13 is made of nylon plate or other cold shrinkage materials that can shrink at 0°C.

[0037] Among them, the inner wall of the linear through hole 11 is equipped with a retaining ring 12, and a fence is arranged inside the retaining ring 12. The inner diameter of the retaining ring 12 is 1.5-7 mm, and the inner diameter of the linear hole flow channel 14 corresponds to the inner diameter of the retaining ring 12. The inner diameter size of the retaining ring 12 is set to correspond to the diameter of the low-temperature shrinkage ball 13 after shrinking when cold. When the pipeline is frozen at low temperature, the low-temperature shrinkage ball 13 can shrink so that the blocked water flow flows out of the retaining ring 12, and then the low-temperature shrinkage ball 13 is restricted in the linear through hole 11 by using the fence, so that the excess water in the pipeline can be discharged during the freezing process, so as to avoid the freezing and expansion of the water in the pipeline to damage the pipeline.

[0038] Among them, the inner diameter of the linear through hole 11 is 2-8 mm, and the low-temperature shrink ball 13 is a spherical structure with a diameter of 2-8 mm. The inner diameter of the linear through hole 11 corresponds to the diameter of the low-temperature shrink ball 13, so that the low-temperature shrink ball 13 is just accommodated in the linear through hole 11, and then cooperates with the retaining ring 12 to block the water flow to avoid faucet leakage when the temperature is not low. The aperture is set within the range of 2-8 mm according to the extreme low temperature in the area and the frequency of low temperature to ensure smooth water flow and will not be blocked before the pipe is completely frozen.

[0039] Among them, a faucet upper cover body 6 is installed on the top of the faucet base 1, the top of the core shaft 5 passes through the middle of the faucet upper cover body 6 and is installed with a handle 9, a sealing gasket 8 is arranged between the faucet upper cover body 6 and the faucet base 1, and the core shaft 5 is installed with the faucet base 1 using the faucet upper cover body 6, so that the core shaft 5 is in a disassembly design state, and when the valve core 7 is worn, it can be disassembled and replaced to avoid water leakage.

[0040] Among them, the core shaft 5 includes: a first rotating shaft 51 that passes through and is screwed on the faucet cover 6; a second rotating shaft 52 arranged at the bottom end of the first rotating shaft 51; and a receiving groove 53 opened at the bottom end of the second rotating shaft 52 and accommodating the installation of the valve core 7. The linear through hole 11 is opened on the second rotating shaft 52, and the receiving groove 53 is used to install the valve core 7 and the core shaft 5, so that the valve core 7 is conveniently replaced.

[0041] The second rotating shaft 52 is sleeved with a stuffing box 15 , and the contact between the second rotating shaft 52 and the inner wall of the water outlet 3 is sealed by the stuffing box 15 to prevent water from leaking from the faucet cover 6 when flowing through the second rotating shaft 52 .

[0042] A rubber pad 10 is installed at the bottom of the valve core 7. By providing the rubber pad 10, when the valve core 7 is pressed against the top of the water hole 4 for sealing, the sealing ability of the valve core 7 can be effectively improved to avoid water leakage.

[0043] Among them, a cavity for accommodating the up and down movement of the valve core 7 is opened in the space above the water hole 4 inside the water outlet 3. The opened cavity not only provides space for the movement of the valve core 7, but also enables the linear through hole 11 to rotate with the core shaft 5 no matter how, the outside of the linear through hole 11 is always in an open state, and when encountering sudden cooling, there is always a path for the water supply liquid to flow out.

[0044] The water meter and outdoor pipes of the water pipe system are also installed with a low-temperature shrink ball 13 similar to that in the faucet and a wire hole structure for automatic circulation when cold, thereby greatly reducing the investment in cold-proof and heat-insulating facilities.

[0045] Working principle: when the position where the faucet is used begins to enter a low temperature of 0℃, condensation gradually occurs on the inner wall of the pipe. At this time, the low-temperature shrink ball 13 shrinks due to the influence of temperature, and the water flow in the linear hole flow channel 14 is pushed and flows out from the linear through hole 11 leaked after the low-temperature shrink ball 13 shrinks, so that the water flow in the linear through hole 11 and the linear hole flow channel 14 begins to flow unimpeded. When the pipe gradually freezes, the excess water is squeezed through the linear hole flow channel 14 and the linear through hole 11 and discharged until the pipe is completely frozen, so that the shape of the ice in the pipe is adapted to the internal space of the pipe to prevent the ice from expanding and breaking the pipe connection point.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A faucet, comprising a faucet base (1) and a spindle (5), wherein the faucet base (1) comprises: A water inlet (2) and a water outlet (3) are provided at both ends of the faucet base (1); A water hole (4) is provided inside the faucet base (1) and connects the water inlet (2) and the water outlet (3) to each other; The invention is characterized in that the core shaft (5) comprises: a valve core (7) which is inserted into the water outlet (3) through an open hole at the top of the faucet base (1) and installed at the bottom end of the core shaft (5); The core shaft (5) is provided with a linear through hole (11), a low-temperature shrinkage ball (13) is placed inside the linear through hole (11), and the valve core (7) is provided with a linear hole flow channel (14), which connects the inside of the linear through hole (11) with the inside of the water inlet (2) through the bottom end.

2. The faucet according to claim 1, characterized in that: The inner wall of the linear through hole (11) is equipped with a retaining ring (12), the interior of the retaining ring (12) is provided with a fence, the inner diameter of the retaining ring (12) is 1.5-7 mm, and the inner diameter of the linear hole flow channel (14) corresponds to the inner diameter of the retaining ring (12).

3. The faucet according to claim 1, characterized in that: The inner diameter of the linear through hole (11) is 2-8 mm, and the low-temperature shrinkage ball (13) is a spherical structure with a diameter of 2-8 mm.

4. The faucet according to claim 1, characterized in that: A faucet upper cover (6) is installed on the top of the faucet base (1), the top of the core shaft (5) passes through the middle of the faucet upper cover (6) and is installed with a handle (9), and a sealing gasket (8) is provided between the faucet upper cover (6) and the faucet base (1).

5. The faucet according to claim 4, characterized in that: The mandrel (5) comprises: A first rotating shaft (51) passing through and screwed onto the faucet upper cover (6); a second rotating shaft (52) disposed at the bottom end of the first rotating shaft (51); and A receiving tank (53) is provided at the bottom end of the second rotating shaft (52) and accommodates the installation of the valve core (7).

6. The faucet according to claim 5, characterized in that: A stuffing box (15) is sleeved on the second rotating shaft (52).

7. The faucet according to claim 1, characterized in that: A rubber pad (10) is installed at the bottom of the valve core (7).

8. The faucet according to claim 1, characterized in that: A cavity for accommodating the upward and downward movement of the valve core (7) is provided in the space above the water through hole (4) inside the water outlet (3).

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