Anti-siphon structure and closestool flushing valve
By introducing a water storage chamber and a one-way valve into the anti-siphon structure, the overflow and siphon problems of the anti-siphon structure are solved, water backflow is achieved when siphon occurs, and the sealing performance is enhanced.
Patent Information
- Application Number
- CN202423260766.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing anti-siphon structures suffer from water overflow when closed and cannot effectively prevent siphoning.
An anti-siphon structure was designed, including an anti-siphon body and a one-way valve. The through hole connects to the water storage chamber. When water is supplied, water enters the water storage chamber. When water is cut off, the water storage chamber is connected to the outside through the air inlet to break the siphon. The one-way valve opens the through hole, and the water flows back into the water channel to avoid overflow and siphon.
It effectively solves the overflow problem of the anti-siphon structure, and destroys the siphon effect when siphon occurs, preventing water from overflowing from the water storage chamber and enhancing the sealing effect.
Smart Images
Figure CN223593495U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kitchen and bath technical field especially a prevent siphon structure and closestool flushing valve. BACKGROUND
[0002] In water equipment, prevent siphon structure is often used, can avoid the siphon effect produced in water outlet closing water channel to the water in the water channel, for example, the flushing system of closestool, through prevent siphon structure to realize the effect of water off after closing, however, the prevent siphon structure of present exists overflow problem, the main reason is in the closing of its check valve needs time, a small amount of water will pass through prevent siphon structure and overflow before closing. SUMMARY
[0003] The utility model discloses to solve the above technical problem, propose a prevent siphon structure that can solve the overflow problem.
[0004] First, a prevent siphon structure is provided, including prevent siphon main part and check valve.
[0005] The prevent siphon main part is installed at the top of water channel, and is internally provided with a water storage cavity, the bottom of the water storage cavity is provided with a through hole communicating with the water channel, and the top is provided with an air inlet.
[0006] The check valve is installed close to the through hole of prevent siphon main part, and blocks the through hole in the water inlet state of the water channel, and opens the through hole in the water stop state of the water channel.
[0007] The prevent siphon structure provided by the utility model can solve the problem of external overflow of prevent siphon structure when water flows, and when water stops, the check valve opens the through hole, destroys the siphon effect in the water channel, forms a prevent siphon effect, and the water collected in the water storage cavity returns to the water channel through the through hole, avoiding the overflow problem of the water storage cavity.
[0008] Preferably, the check valve is a sealing sheet, which is movably installed at the bottom of the water storage cavity through an installation column with a reverse buckle, and the structure is simple and low in cost.
[0009] Preferably, the through hole is at least two, and is evenly distributed around the installation hole of the installation column.
[0010] Preferably, to increase the sealing degree, the bottom of the through hole is provided with an annular protrusion.
[0011] Preferably, to reduce the difficulty of forming, the top of the prevent siphon main part is provided with an end cover covering the water storage cavity, and the air inlet is arranged on the end cover.
[0012] Preferably, the top of the water storage cavity is further provided with an overflow water collecting port, and is connected to the overflow water outlet of the external water component through a pipeline, so that overflow water of other water components can be collected and re-input into the water channel.
[0013] Preferably, in order to improve the water pressure effect on the one-way valve, the water channel comprises a detour section, and the through hole and the one-way valve are directed towards the detour section, so that in a water passing state, water has an effect of impacting the one-way valve.
[0014] Preferably, the water inlet pipe comprises an outer pipe and an inner pipe, the outer pipe is vertically arranged, the bottom end is provided with a mounting port, the bottom end is provided with a water outlet, and the top end is provided with the anti-siphon body. The water outlet end of the inner pipe is inserted into the outer pipe through the mounting port and extends to a position close to the anti-siphon body, the inner diameter of the outer pipe is greater than the outer diameter of the inner pipe, and the water outlet end of the inner pipe forms the detour section.
[0015] Preferably, the anti-siphon body and the outer pipe are integrally formed, so as to avoid the problem of poor sealing caused by the assembled structure.
[0016] In the second aspect, the anti-siphon structure of the first aspect is provided.
[0017] From the above description of the anti-siphon structure of the utility model, the utility model has the following beneficial effects:
[0018] The anti-siphon structure provided by the utility model can solve the problem of outward overflow of the anti-siphon structure, and when water is cut off, when siphon occurs in the water channel, the one-way valve is opened to destroy the siphon effect in the water channel, and the anti-siphon effect is formed, and at the same time, the water collected in the water storage cavity is returned to the water channel through the through hole, so that the problem of overflow of the water storage cavity is avoided.
[0019] The top of the water storage cavity is further provided with an overflow water collecting port, so that overflow water of other water components can be collected and re-input into the water channel, and the function of the anti-siphon structure is increased.
[0020] The water channel is provided with a detour section at the anti-siphon structure, so that in a water passing state, water has an effect of impacting the one-way valve, and the sealing effect of the one-way valve is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] The drawings described herein are used to provide a further understanding of the utility model, and constitute a part of the utility model. The schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute an improper limitation on the utility model.
[0022] Wherein:
[0023] Figure 1 is an axial side view of a siphon-proof structure;
[0024] Figure 2 is a sectional view of a siphon-proof structure;
[0025] Figure 3 is a partial enlarged view of a siphon-proof structure; (about Figure 2 A)
[0026] Figures 1 to 3 The marks in are respectively: siphon-proof body 1, water storage cavity 11, through hole 12, annular protrusion 121, air inlet 13, overflow collection port 14, one-way valve 2, water inlet pipe 3, outer pipe 31, inner pipe 32, detour section 33. DETAILED DESCRIPTION
[0027] In order to make the technical problems, technical solutions and beneficial effects of the present application more clear, specific embodiments described herein are used to explain the present application, but not to limit the present application.
[0028] Please refer to Figures 1 to 3 A siphon-proof structure comprises a siphon-proof body 1 and a one-way valve 2.
[0029] The siphon-proof body 1 is installed at the top of a water channel, and is internally provided with a water storage cavity 11.
[0030] In an embodiment, in order to reduce the difficulty of forming, the top of the siphon-proof body 1 is provided with an end cover covering the water storage cavity 11, and the air inlet 13 is arranged on the end cover.
[0031] In other embodiments, the top of the water storage cavity 11 is further provided with an overflow collection port 14, and is connected to the overflow water discharge port of an external water using component through a pipeline, so that the overflow water of other water using components can be collected and re-input into the water channel.
[0032] The one-way valve 2 is installed close to the through hole 12 of the siphon-proof body 1, and blocks the through hole 12 in the water inlet state of the water channel, and opens the through hole 12 in the water stop state of the water channel.
[0033] The through hole 12 is at least two, uniformly distributed in the mounting hole of the mounting column, and in order to increase the sealing degree, the bottom of the through hole 12 is provided with an annular protrusion 121 in an embodiment. Alternatively, on the basis of the above embodiment, in another embodiment, in order to improve the effect of water force on the one-way valve 2, the water channel includes a detour section 33, and the through hole 12 and the one-way valve 2 are towards the detour section 33, so that in the water passing state, the water has the effect of impacting the one-way valve 2. Preferably, the water inlet pipe 3 is further included, the water inlet pipe 3 includes an outer pipe 31 and an inner pipe 32, the outer pipe 31 is vertically arranged, the bottom end is provided with a mounting port, the bottom end is provided with a water outlet, and the top end is provided with the anti-siphon body 1. The water outlet end of the inner pipe 32 is inserted into the outer pipe 31 through the mounting port and extends to a position close to the anti-siphon body 1, the inner diameter of the outer pipe 31 is greater than the outer diameter of the inner pipe 32, and the water outlet end of the inner pipe 32 forms the detour section 33. In addition, the anti-siphon body 1 and the outer pipe 31 are integrally formed, so as to avoid the problem of poor sealing caused by the assembled structure.
[0034] In another embodiment, a toilet flushing valve is provided with the above anti-siphon structure.
[0035] The anti-siphon structure provided by the utility model can solve the problem of water overflow of the anti-siphon structure, and in addition, when the water channel is siphoned, the one-way valve 2 is opened to destroy the siphon effect in the water channel, and the water collected in the water storage cavity 11 returns to the water channel through the through hole 12, thereby avoiding the problem of water overflow of the water storage cavity 11.
[0036] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the utility model.
[0037] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any meaning pertaining to the quantity of the features being described. Thus, a feature defined with "first", "second", etc. can include at least one of the features, explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless specifically defined otherwise.
[0038] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connecting", "connection", "fixed", and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection or communication with each other; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless specifically defined otherwise. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0039] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0040] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.
[0041] Although the above embodiments have been shown and described, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Changes, modifications, replacements and variations of the above embodiments made by those skilled in the art are within the scope of the present application.
Claims
1. An anti-siphon structure, characterized in that, The anti-siphon structure comprises an anti-siphon body and a one-way valve. The anti-siphon body is installed on the top of the water channel and is internally provided with a water storage cavity, the bottom of the water storage cavity is provided with a through hole communicating with the water channel, and the top is provided with an air inlet. The one-way valve is installed near the through hole of the anti-siphon body and blocks the through hole in the water inlet state of the water channel and opens the through hole in the water stop state of the water channel.
2. The anti-siphon structure of claim 1, wherein The one-way valve is a sealing sheet which is movably installed on the bottom of the water storage cavity through an installation column with a reverse buckle.
3. An anti-siphon arrangement according to claim 2, wherein, The through hole is at least two and is uniformly distributed around the installation hole of the installation column.
4. The anti-siphon structure of claim 2, wherein, The bottom of the through hole is provided with an annular protrusion.
5. The anti-siphon structure of claim 1, wherein The top of the anti-siphon body is provided with an end cover covering the water storage cavity, and the air inlet is arranged on the end cover.
6. The anti-siphon structure of claim 1, wherein The top of the water storage cavity is also provided with a water overflow collecting port, and the overflow water outlet of the external water component is connected through a pipeline.
7. The anti-siphon structure of claim 1, wherein The water channel comprises a detour section, and the through hole and the one-way valve are directed to the detour section.
8. The anti-siphon structure of claim 7, wherein, The water inlet pipe comprises an outer pipe and an inner pipe, the outer pipe is vertically arranged, the bottom end is provided with an installation port, the bottom end is provided with a water outlet, and the top end is provided with the anti-siphon body; the water outlet end of the inner pipe is inserted into the outer pipe through the installation port and extends to a position close to the anti-siphon body, the inner diameter of the outer pipe is greater than the outer diameter of the inner pipe, and the water outlet end of the inner pipe forms the detour section.
9. A siphon-resistant structure according to claim 8, wherein The anti-siphon body and the outer pipe are integrally formed.
10. A toilet flush valve characterized by, The anti-siphon structure of any one of claims 1 to 9 is adopted.