Convenient-to-connect drip-proof valve

By using the easy-connect anti-drip valve design, the interference fit between the rubber ring and the anti-drip valve body and the conical inverted structure solves the problem of unreliable connection between the anti-drip valve and the water pipe in traditional irrigation systems, achieving a stable and reliable sealing connection, reducing costs and improving connection efficiency.

CN223854944UActive Publication Date: 2026-01-30XIAMEN HUAZUI IRRIGATION EQUIP TECH CO LTD
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Patent Information

Application Number
CN202520574165.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-30
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

In traditional irrigation systems, the connection between the anti-drip valve and the water pipe is unreliable, prone to leakage, and has high connection costs and low efficiency, affecting the stable operation of the system.

Method used

The design features a convenient anti-drip valve, utilizing the interference fit between the rubber ring and the anti-drip valve body, combined with a conical inverted structure, to achieve a stable connection between the anti-drip valve and the water pipe. The interference fit between the rubber ring and the water pipe, along with the design of the anti-drip valve body, ensures both sealing performance and quick connection.

Benefits of technology

This achieves a reliable connection between the anti-drip valve and the water pipe, preventing leakage, reducing connection costs, improving connection efficiency, and ensuring the stability of the seal.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223854944U_ABST
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Abstract

The drip-proof valve convenient to connect comprises a drip-proof valve body and a rubber ring, a first annular groove is formed in the water inlet end of the drip-proof valve body, a first inverted buckle facilitating the drip-proof valve body to penetrate through an inner hole of the rubber ring is formed in the position between the first annular groove and the end face of the water inlet end, and a second annular groove is formed in the outer surface of the rubber ring. A second inverted buckle is formed at the position between the second annular groove and one end face of the rubber ring, and an inner hole of the rubber ring is in interference fit with the outer circumferential face of the first annular groove of the drip-proof valve body. According to the drip-proof valve convenient to connect, the drip-proof valve and a water path of an irrigation system can be in reliable and sealed connection conveniently and rapidly, cost is low, and efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of drip-proof valve for irrigation, in particular to a convenient drip-proof valve. BACKGROUND

[0002] The agricultural irrigation system is connected by the main pipeline and the branch pipeline, and the connecting and controlling of the opening and closing of the branch are realized by installing the drip-proof valve and other accessories at the shunt position between the pipelines. The traditional irrigation system realizes the connection of the drip-proof valve and the water pipe by using the hot melting process, which has high cost, low efficiency and poor sealing effect, and affects the stable operation of the whole irrigation system. Therefore, this problem needs to be solved. UTILITY MODEL CONTENTS

[0003] In view of the defects of the prior art, the utility model provides a convenient drip-proof valve, which mainly solves the problem of unreliable connection of the drip-proof valve and the water pipe and easy water leakage.

[0004] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0005] The utility model provides a convenient drip-proof valve, which comprises a drip-proof valve body and a rubber ring, a first annular groove is arranged at the water inlet end of the drip-proof valve body, a first reverse buckle for the drip-proof valve body to pass through the inner hole of the rubber ring is formed between the first annular groove and the end face of the water inlet end, the outer surface of the rubber ring is provided with a second annular groove, a second reverse buckle is formed between the second annular groove and one end face of the rubber ring, and the inner hole of the rubber ring is in interference fit with the outer circumferential surface of the first annular groove of the drip-proof valve body.

[0006] Further, the inner hole of the rubber ring is combined into a T shape by a limiting hole and a matching hole, the hole diameter of the matching hole is smaller than the outer diameter of the outer circumferential surface of the first annular groove, the matching hole is in interference fit with the outer circumferential surface of the first annular groove, the diameter of the limiting hole is larger than the diameter of the matching hole, the diameter of the limiting hole is larger than the maximum outer diameter of the first reverse buckle, and the first reverse buckle is arranged on the stepped surface at the joint position of the limiting hole and the matching hole.

[0007] Further, the first reverse buckle and the second reverse buckle are both conical bosses.

[0008] Further, the drip-proof valve body comprises a main body, a sealing ring, an upper cover, a connecting sleeve and a nut, the main body is internally provided with a water channel, the first annular groove and the first reverse buckle are arranged at the water inlet end of the main body, a through hole is formed in the side surface of the main body, and the sealing ring covers around the through hole; the upper cover is connected to the main body, an inner core and a spring are arranged in the upper cover, one end of the spring is arranged on the inner core, the other end of the spring is arranged against the upper cover, one end of the inner core is arranged against the sealing ring and seals the through hole under the elastic force of the spring; one end of the connecting sleeve is inserted into the water outlet end of the main body, the other end of the connecting sleeve is provided with a barb, the water outlet end of the main body is provided with an external thread, and the nut is screwed on the external thread and fixes the connecting sleeve.

[0009] The utility model has the following beneficial effects:

[0010] The rubber ring and the water pipe are in interference fit, and the rubber ring and the anti-dripping valve body are in interference fit, so that the connection between the anti-dripping valve and the water pipe is stable, reliable and water-tight, and the connection between the rubber ring and the water pipe is simple and fast, the connection between the rubber ring and the anti-dripping valve body is simple and fast, and the anti-dripping valve body is connected to the water pipe through the rubber ring in interference fit, so that the sealing is stable and reliable.

[0011] The anti-dripping valve is connected to the water pipe in interference fit, so that the anti-dripping valve and the water route of the irrigation system are reliably and tightly connected, the cost is low, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a connection structure diagram of the anti-dripping valve and the water pipe in the embodiment of the utility model;

[0013] Figure 2 is Figure 1 an exploded view;

[0014] Figure 3 is an exploded view of the anti-dripping valve body;

[0015] Figure 4 is a sectional view of the anti-dripping valve body;

[0016] Figure 5 is a sectional view of the rubber ring. DETAILED DESCRIPTION

[0017] The utility model will be further described in combination with the drawings and the embodiments.

[0018] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0019] As Figures 1 to 5 shown, the embodiment discloses an anti-dripping valve, which comprises an anti-dripping valve body 1 and a rubber ring 2 (silicone, rubber or other elastic sealing elements), a first annular groove 11 is arranged at the water inlet end of the anti-dripping valve body 1, a first reverse buckle 12 is formed between the first annular groove 11 and the end face of the water inlet end, so that the anti-dripping valve body 1 can pass through the inner hole of the rubber ring 2, a second annular groove 21 is arranged on the outer surface of the rubber ring 2, a second reverse buckle 22 is formed between the second annular groove 21 and one end face of the rubber ring 2, and the inner hole of the rubber ring 2 is in interference fit with the outer circumferential surface of the first annular groove 11 of the anti-dripping valve body 1.

[0020] In use, a water hole is drilled on the water pipe 3 (for example, made of PVC), the rubber ring 2 is inserted into the water hole of the water pipe 3, the outer circumferential surface of the second annular groove 21 is in interference fit with the water hole (to avoid water leakage), the second reverse buckle 22 of the rubber ring 2 buckles the inner wall of the water pipe 3 to prevent the rubber ring 2 from falling out, then the first reverse buckle 12 of the anti-dripping valve body 1 passes through the inner hole of the rubber ring 2, the rubber ring 2 is sleeved at the position of the first annular groove 11 and is in interference fit with the outer circumferential surface of the first annular groove 11 to avoid water leakage. The rubber ring 2 is in interference fit with the water pipe 3, and the rubber ring 2 is in interference fit with the anti-dripping valve body 1, so as to ensure that the connection between the anti-dripping valve and the water pipe 3 is stable and reliable and does not leak water. In addition, the connection between the rubber ring 2 and the water pipe 3 is simple and fast, the connection between the rubber ring 2 and the anti-dripping valve body 1 is simple and fast, and the anti-dripping valve body 1 realizes interference fast connection with the water pipe 3 by means of the rubber ring 2, and the sealing is stable and reliable.

[0021] The inner hole of the rubber ring 2 is combined into a T shape by a limiting hole 23 and a matching hole 24, the diameter of the matching hole 24 is smaller than the outer diameter of the outer circumferential surface of the first annular groove 11, the matching hole 24 is in interference fit with the outer circumferential surface of the first annular groove 11, the diameter of the limiting hole 23 is greater than the diameter of the matching hole 24, and the diameter of the limiting hole 23 is greater than the maximum outer diameter of the first reverse buckle 12. The first reverse buckle 12 is located on the stepped surface at the joint position of the limiting hole 23 and the matching hole 24, thereby preventing the anti-dripping valve body 1 from falling out of the inner hole of the rubber ring 2.

[0022] The first reverse buckle 12 and the second reverse buckle 22 of the embodiment are both conical bosses, the first reverse buckle 12 is a conical boss, thereby facilitating insertion of the water inlet end of the anti-dripping valve body 1 into the rubber ring 2, and the second reverse buckle 22 adopts a conical boss, thereby facilitating insertion of one end of the rubber ring 2 into the water pipe 3. In other embodiments, the shapes of the first reverse buckle 12 and the second reverse buckle 22 are not limited to this, and the first reverse buckle 12 and / or the second reverse buckle 22 can also be composed of multiple reverse buckles spaced apart.

[0023] The drip-proof valve body 1 of the embodiment comprises a main body 13, an inner core 14, a sealing ring 15, an upper cover 16, a connecting sleeve 17 and a nut 18, the main body 13 is internally provided with a water channel, one end of the main body 13 is a water inlet end, the first annular groove 11 and the first reverse buckle 12 are arranged on the water inlet end, a through hole is formed on the side surface of the main body 13, and the sealing ring 15 covers the periphery of the through hole; the upper cover 16 is connected on the main body 13 through threads (or welding, buckling and the like), the inner core 14 and a spring 19 are installed in the upper cover 16, one end of the spring 19 abuts against the inner core 14 and the other end abuts against the upper cover 16, one end of the inner core 14 abuts against the sealing ring 15 to seal the through hole, and the spring 19 provides a pre-tightening force for the inner core 14 to tightly press against the sealing ring 15; the other end of the main body 13 is a water outlet end, one end of the connecting sleeve 17 is inserted into the water outlet end of the main body 13 and communicates with the water channel of the main body 13, the other end of the connecting sleeve 17 is provided with a barb 171 (for clamping an external pipeline), the water outlet end of the main body 13 is externally threaded, the nut 18 is screwed on the external threads and fixes the connecting sleeve 17, and the connecting sleeve 17 is located inside the nut 18, and the connecting sleeve 17 and the nut 18 are matched to clamp an external water outlet pipeline.

[0024] The specific structure of the drip-proof valve body 1 of the embodiment is not limited to this, and can also refer to the structure of any drip-proof valve in the prior art.

[0025] The above description is only used to illustrate the technical scheme of the utility model, and is not limited thereto; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model, therefore, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

Claims

1. A quick connect drip prevention valve characterized by, The drip-proof valve body and the rubber ring are included, the water inlet end of the drip-proof valve body is provided with a first annular groove, a first reverse buckle for facilitating the rubber ring to pass through the inner hole of the rubber ring is formed between the first annular groove and the end face of the water inlet end, the outer surface of the rubber ring is provided with a second annular groove, a second reverse buckle is formed between the second annular groove and one end face of the rubber ring, and the inner hole of the rubber ring is in interference fit with the outer circumferential surface of the first annular groove of the drip-proof valve body.

2. The quick connect drip prevention valve of claim 1, wherein, The inner hole of the rubber ring is combined into a T shape by a limiting hole and a matching hole, the hole diameter of the matching hole is smaller than the outer diameter of the outer circumferential surface of the first annular groove, the matching hole is in interference fit with the outer circumferential surface of the first annular groove, the diameter of the limiting hole is larger than the diameter of the matching hole, the diameter of the limiting hole is larger than the maximum outer diameter of the first reverse buckle, and the first reverse buckle is abutted against the stepped surface at the joint position of the limiting hole and the matching hole.

3. The quick connect drip prevention valve of claim 1, wherein, The first reverse buckle and the second reverse buckle are both conical bosses.

4. The quick connect drip prevention valve of claim 1, wherein, The drip-proof valve body includes a main body, a sealing ring, an upper cover, a connecting sleeve and a nut, the inner part of the main body is provided with a water channel, the first annular groove and the first reverse buckle are arranged at the water inlet end of the main body, a through hole is arranged on the side surface of the main body, and the sealing ring covers the surrounding of the through hole; the upper cover is connected to the main body, an inner core and a spring are arranged in the upper cover, one end of the spring is abutted against the inner core and the other end is abutted against the upper cover, one end of the inner core is abutted against the sealing ring and seals the through hole under the elastic force of the spring; one end of the connecting sleeve is inserted into the water outlet end of the main body and the other end is provided with a barb, the water outlet end of the main body is provided with an external thread, and the nut is screwed on the external thread and fixes the connecting sleeve.