Waterway anti-freeze crack structure

Abstract

This utility model discloses a waterway anti-freezing and cracking structure, which can prevent waterways in various water-using devices from freezing and cracking due to ice formation. The waterway anti-freezing and cracking structure includes a water-conducting body, a base, an elastic membrane, a piston, and an elastic element. The water-conducting body has at least one waterway with an opening connecting to the surface of the water-conducting body. The base is detachably connected to the opening and presses the periphery of the elastic membrane tightly against the periphery of the opening. The base has a movable cavity. The piston is movably fitted within the movable cavity. The elastic element is disposed within the movable cavity and acts on the piston to abut against the elastic membrane. The elastic force of the elastic element is greater than the maximum water pressure within the waterway.

Description

Technical Field

[0001] This utility model belongs to the technical field of bathroom equipment, and specifically refers to a waterway antifreeze and crack prevention structure. Background Technology

[0002] In cold winters, ambient temperatures in some areas may drop below freezing. When not in use, the water channels inside water-using appliances such as faucets and showers are closed, water stops flowing, and may freeze due to temperature changes. Since freezing is a process of volume expansion, the ice inside the water channels will push outwards, potentially causing the channels to crack—a phenomenon commonly known as pipe freezing and cracking.

[0003] Pipes freezing and cracking can cause leaks during subsequent use, resulting in significant property damage and sometimes even personal safety risks. Utility Model Content

[0004] The main purpose of this utility model is to provide a waterway anti-freezing and cracking structure to solve the problems existing in the prior art and prevent waterways of various water-using devices from freezing and cracking due to ice formation.

[0005] To achieve the above objectives, the solution of this utility model is: A waterway anti-freezing and cracking structure includes a water-conducting body, a base, an elastic membrane, a piston, and an elastic element. The water-conducting body has at least one waterway, and the waterway has an opening communicating with the surface of the water-conducting body. The base is detachably connected to the opening and presses the periphery of the elastic membrane against the periphery of the opening. The base has a movable cavity. The piston is movably fitted within the movable cavity. The elastic element is disposed within the movable cavity and acts on the piston to abut against the elastic membrane. The elastic force of the elastic element is greater than the maximum water pressure within the waterway.

[0006] The opening is coaxially disposed on one end face of the waterway, and a limiting step is provided on its inner wall; a pressure block is provided on the end of the piston facing the elastic film; the pressure block is fitted on the side of the elastic film facing away from the limiting step, and presses the elastic film tightly onto the limiting step.

[0007] Preferably, the end of the base is sleeved on the end of the waterway and is threadedly connected to the outer wall of the waterway.

[0008] Preferably, a first sealing ring is provided between the inner wall of the base and the outer wall of the waterway, and a second sealing ring is provided between the circumferential surface of the piston and the inner wall of the movable cavity.

[0009] The elastic film includes an annular mounting portion and a deformable portion integrally connected to the inner wall of the mounting portion; the inner wall of the movable cavity is provided with a mounting step, and a clamping ring protrudes from the mounting step; one side of the mounting portion is fitted to the periphery of the opening, the mounting step is fitted to the other side of the mounting portion, and the clamping ring is tightly fitted to the mounting portion; the piston abuts against the deformable portion.

[0010] A vent hole is provided on the end wall of the movable cavity away from the elastic membrane.

[0011] The elastic element is a spring, and a limiting post is provided on the end wall of the movable cavity for the end of the spring to be sleeved. The end wall of the piston is recessed to form a limiting groove for the end of the spring to be inserted.

[0012] After adopting the above technical solution, the present invention has the following technical effects: This invention comprises a base installed at the opening of a water channel, an elastic diaphragm, a piston, and an elastic element, forming an anti-freeze cracking component. Under normal water flow conditions, the piston, under the elastic force of the elastic element, presses against the elastic diaphragm and blocks the opening of the water channel. Under frozen conditions, as the water in the water channel freezes and expands in volume, it pushes the elastic diaphragm and piston, causing the elastic diaphragm to deform and the piston to move in the direction of compressing the elastic element. This increases the volume of the water channel, thus protecting it from cracking. After thawing, the elastic potential energy stored in the elastic element is released, allowing the piston and elastic diaphragm to return to their original positions, ensuring that the anti-freeze cracking component remains effective.

[0013] The elastic force of the elastic element is greater than the maximum water pressure in the waterway, which can ensure that the piston will not be pushed by the water pressure under normal water flow conditions; by setting an elastic membrane, the leak-proof performance of the product can be guaranteed, and the functional stability of the elastic membrane can be maintained with the assistance of the piston. The elastic force of the elastic element will not act directly on the elastic membrane, avoiding the risk of easy damage to the elastic membrane. Attached Figure Description

[0014] Figure 1 This is a perspective view of a specific embodiment of the present utility model.

[0015] Figure 2 This is an exploded view of a specific embodiment of the present utility model.

[0016] Figure 3 This is an anatomical view of a specific embodiment of the present invention.

[0017] Figure 4 This is a cross-sectional view of the normal water flow state of a specific embodiment of this utility model.

[0018] Figure 5 This is a schematic diagram illustrating the anti-freezing and cracking function of a specific embodiment of this utility model.

[0019] Explanation of icon numbers: 1-Water supply body; 11-Waterway; 12-Opening; 13-Limiting step; 2-Base; 21-Moving cavity; 22-Mounting step; 23-Pressure ring; 24-Ventilation hole; 25-Limiting post; 3-Elastic membrane; 31-Mounting part; 32-Deformable part; 4-Piston; 41-Pressure block; 42-Limiting groove; 5-Elastic element; 6-First sealing ring; 7-Second sealing ring. Detailed Implementation

[0020] To further explain the technical solution of this utility model, the following detailed description is provided through specific embodiments.

[0021] refer to Figures 1 to 5 As shown, this utility model discloses a waterway antifreeze and crack prevention structure, including a water-conducting body 1, a base 2, an elastic membrane 3, a piston 4, and an elastic element 5; The water-conducting body 1 is provided with at least one water channel 11, and the water channel 11 is provided with an opening 12 that connects to the surface of the water-conducting body 1; The base 2 is detachably connected to the opening 12 and presses the periphery of the elastic film 3 against the periphery of the opening 12; the base 2 is provided with a movable cavity 21. Piston 4 is movably fitted within movable cavity 21; The elastic element 5 is disposed in the movable cavity 21 and acts on the piston 4 to make it abut against the elastic membrane 3; the elastic force of the elastic element 5 is greater than the maximum water pressure in the water channel 11.

[0022] Through the above scheme, this utility model consists of a base 2, an elastic film 3, a piston 4, and an elastic element 5 installed at the opening 12 of the waterway 11, forming an anti-freeze cracking component; Reference Figure 4 As shown, under normal water flow conditions, the piston 4, under the elastic force of the elastic element 5, presses against the elastic diaphragm 3 and blocks the opening 12 of the water channel 11; Reference Figure 5 As shown, in the frozen state, the water in the water channel 11 freezes and expands in volume, pushing the elastic membrane 3 and piston 4, causing the elastic membrane 3 to deform and the piston 4 to move in the direction of compressing the elastic element 5. The volume of the water channel 11 increases, thus protecting the water channel 11 from being cracked. After thawing, the elastic potential energy stored in the elastic element 5 is released, which drives the piston 4 and the elastic membrane 3 to return to their original positions, ensuring that the anti-freeze cracking component is always effective.

[0023] Among them, the elastic force of the elastic element 5 is greater than the maximum water pressure in the water channel 11, which can ensure that the piston 4 will not be pushed by the water pressure under normal water flow conditions; by setting the elastic membrane 3, the leak-proof performance of the product can be guaranteed, and the functional stability of the elastic membrane 3 can be maintained with the assistance of the piston 4. The elastic force of the elastic element 5 will not directly act on the elastic membrane 3, avoiding the risk of the elastic membrane 3 being easily damaged.

[0024] The following are specific embodiments of the present invention.

[0025] The aforementioned opening 12 is coaxially disposed on one end face of the waterway 11, and its inner wall is provided with a limiting step 13; a pressure block 41 is provided on the end of the piston 4 facing the elastic diaphragm 3, and the pressure block 41 fits on the side of the elastic diaphragm 3 facing away from the limiting step 13 and presses the elastic diaphragm 3 tightly onto the limiting step 13. Thus, the sealing performance of the elastic diaphragm 3 for the opening 12 can be guaranteed under normal water flow conditions.

[0026] Furthermore, the end of the base 2 is sleeved on the end of the waterway 11 and threadedly connected to the outer wall of the waterway 11 for easy disassembly and assembly.

[0027] Secondly, a first sealing ring 6 is provided between the inner wall of the base 2 and the outer wall of the water channel 11, and a second sealing ring 7 is provided between the circumferential surface of the piston 4 and the inner wall of the movable cavity 21, thereby improving the sealing and leak-proof performance.

[0028] The aforementioned elastic diaphragm 3 includes an annular mounting portion 31 and a deformable portion 32 integrally connected to the inner wall of the mounting portion 31; the inner wall of the movable cavity 21 is provided with a mounting step 22, and a clamping ring 23 protrudes from the mounting step 22; one side of the mounting portion 31 fits around the periphery of the opening 12, the mounting step 22 fits around the other side of the mounting portion 31, and the clamping ring 23 is tightly fitted with the mounting portion 31; the piston 4 abuts against the deformable portion 32. Therefore, the stability of the elastic diaphragm 3 after installation can be ensured, and the mounting portion 31 will not shift due to force.

[0029] A vent 24 is provided on the end wall of the movable cavity 21 away from the elastic membrane 3. The vent 24 can connect the movable cavity 21 with the atmosphere, so that the air pressure inside the movable cavity 21 is always kept at a constant pressure, and the movement of the piston 4 is avoided due to air pressure changes.

[0030] The aforementioned elastic element 5 is a spring. A limiting post 25 is provided on the end wall of the movable cavity 21 for the end of the spring to be fitted, and a limiting groove 42 is formed by the recess of the end wall of the piston 4 for the end of the spring to be inserted. In this way, the two ends of the spring can be relatively fixed with the piston 4 and the end wall of the movable cavity 21, and the structure is more stable.

[0031] In the accompanying drawings of this embodiment, the water-conducting body 1 is the body of the shower, but the application scenarios of this utility model are not limited to this. It can also be used for water-conducting devices such as faucets.

[0032] The above embodiments and figures are not intended to limit the product form and style of this utility model. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of this utility model.

Claims

1. A waterway anti-freezing and cracking structure, characterized in that: Includes the main water-conducting body, base, elastic diaphragm, piston, and elastic components; The water-conducting body is provided with at least one water channel, and the water channel is provided with an opening that connects to the surface of the water-conducting body; The base is detachably connected to the opening and presses the periphery of the elastic film against the periphery of the opening; the base has a movable cavity inside. The piston is movable within the movable cavity; The elastic element is disposed within the movable cavity and acts on the piston to abut against the elastic membrane; the elastic force of the elastic element is greater than the maximum water pressure within the waterway.

2. The waterway anti-freezing and cracking structure as described in claim 1, characterized in that: The opening is coaxially disposed on one end face of the waterway, and a limiting step is provided on its inner wall; a pressure block is provided on the end of the piston facing the elastic film; the pressure block is fitted on the side of the elastic film facing away from the limiting step, and presses the elastic film tightly onto the limiting step.

3. The waterway anti-freezing and cracking structure as described in claim 2, characterized in that: The end of the base is fitted onto the end of the waterway and is threadedly connected to the outer wall of the waterway.

4. The waterway anti-freezing and cracking structure as described in claim 3, characterized in that: A first sealing ring is provided between the inner wall of the base and the outer wall of the waterway, and a second sealing ring is provided between the circumferential surface of the piston and the inner wall of the movable cavity.

5. The waterway anti-freezing and cracking structure as described in claim 1, characterized in that: The elastic film includes an annular mounting portion and a deformable portion integrally connected to the inner wall of the mounting portion; the inner wall of the movable cavity is provided with a mounting step, and a clamping ring protrudes from the mounting step; one side of the mounting portion is fitted to the periphery of the opening, the mounting step is fitted to the other side of the mounting portion, and the clamping ring is tightly fitted to the mounting portion; the piston abuts against the deformable portion.

6. The waterway anti-freezing and cracking structure as described in claim 1, characterized in that: A vent hole is provided on the end wall of the movable cavity away from the elastic membrane.

7. The waterway anti-freezing and cracking structure as described in claim 1, characterized in that: The elastic element is a spring, and a limiting post is provided on the end wall of the movable cavity for the end of the spring to be sleeved. The end wall of the piston is recessed to form a limiting groove for the end of the spring to be inserted.

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