Stop valve convenient to clean

By designing threaded filter components and inclined water inlet holes in the shut-off valve, the problem of inconvenient cleaning of the existing shut-off valve filter screen is solved, and convenient cleaning and stable collection of impurities inside the valve body is achieved.

CN222910804UActive Publication Date: 2025-05-27ZHEJIANG PETROCHEMICAL VALVE CO LTD
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Patent Information

Application Number
CN202422036062.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-05-27
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

During use, the existing shut-off valves accumulate debris in water, which leads to inconvenient cleaning of the filter screen, affecting the convenience of the valve body.

Method used

A shut-off valve is designed for easy cleaning, and a threaded filter assembly is adopted. The filter assembly includes a rotating seat and a guide tube. The rotating seat is threadedly connected to the step hole at the bottom of the valve body. A plurality of inclined water inlet holes are provided on the guide tube to form a swirl to attract impurities.

Benefits of technology

It realizes convenient cleaning of impurities inside the valve body, avoiding the accumulation of impurities that affect the sealing of the valve seat, and ensuring the stability of impurities collection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222910804U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of stop valves, in particular to a stop valve convenient to clean, which comprises a valve body with an inlet and an outlet which are communicated in the valve body. A valve seat is movably connected in the valve body through a driving piece; the filter assembly is connected to the bottom of the valve body in a threaded mode, it is guaranteed that water flow in the valve body is filtered, meanwhile, the effect of convenient and fast disassembly is achieved, and therefore the problem that impurities are accumulated and attached in the valve body, and the sealing performance of the valve seat is affected can be avoided; in addition, the guide pipe of the filter assembly adopts the design of a plurality of inclined water inlet holes, when a water source enters, the water source obliquely enters the guide pipe along the plurality of water inlet holes, so that a rotational flow can be formed on the inner side of the guide pipe, most impurities can be sucked into the guide pipe, and the water source is prevented from entering the filter assembly. And the impurity collection stability is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of stop valves, in particular to a stop valve that is easy to clean. Background Art

[0002] The stop valve is a valve that is currently widely used. It is relatively durable because of the small friction between the sealing surfaces during opening and closing. However, the existing stop valves may become clogged after long-term use due to the presence of debris in the water. The filter of the existing stop valve is generally connected to the inside of the valve body through a placement plate thread. When there are a lot of debris accumulated on the filter, it is necessary to rotate the filter to take it out for cleaning. However, due to the small valve body, it is inconvenient to rotate the filter, which makes it inconvenient to clean the filter, reducing the convenience of valve body maintenance.

[0003] At present, some stop valves are provided with a detachable structure inside to realize the convenient disassembly of the filter screen, such as a stop valve for easy cleaning disclosed in Chinese patent publication number "CN212131348U".

[0004] However, the currently detachable filter structure is still connected and fixed inside the valve body, which still causes certain inconveniences during the disassembly process. Based on this, in order to further optimize the convenience of cleaning the existing stop valve, we propose a stop valve that is easy to clean. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art such as certain inconveniences in the disassembly process, and proposes a stop valve that is convenient for cleaning.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] Design a stop valve that is easy to clean, including:

[0008] A valve body having an inlet and an outlet, wherein the inlet and the outlet are connected to each other inside the valve body;

[0009] A valve seat is movably connected to the valve body via a driving member;

[0010] Wherein, a filter assembly is detachably connected in the valve body, the filter assembly is located at the connection between the inlet and the outlet, and the filter assembly is detachably connected to the bottom of the valve body.

[0011] Furthermore, the filtering component comprises:

[0012] A rotating seat, a disassembly structure is provided between the rotating seat and the valve body;

[0013] and a guide pipe, which is fixed to the top of the rotating seat and has a filter screen detachably connected thereto.

[0014] Further, a stepped hole is formed at the bottom of the valve body. The rotating seat is threadedly connected to the stepped hole, and the guiding pipe passes through the stepped hole into the interior of the valve body.

[0015] Further, two arc-shaped grooves are formed on the lower end surface of the rotating seat, and a twisting portion is formed between the two arc-shaped grooves.

[0016] Further, a step is formed between the rotating seat and the guiding pipe, and a first sealing ring is placed on the step. The first sealing ring is sleeved on the outer side of the guiding pipe.

[0017] Further, a plurality of water inlet holes are formed on the outer peripheral surface of the guiding pipe, and the plurality of water inlet holes are inclined from the outer peripheral surface of the guiding pipe to its inner peripheral surface.

[0018] Further, a stepped position is formed at the top of the guiding pipe, and a filter screen and a pressing plate are sequentially placed in the stepped position from top to bottom;

[0019] The pressing plate is connected to the guiding pipe through a buckle structure.

[0020] Further, the buckle structure includes spring plug columns embedded on both sides of the pressing plate, and positioning holes adapted to the telescopic ends of the spring plug columns are formed at the top of the guiding pipe.

[0021] Further, a second sealing ring is sleeved on the outer side of the pressing plate. Any cross-section of the second sealing ring is in a T-shaped structure, and through holes adapted to the telescopic ends of the spring plug columns are formed on the outer peripheral surface of the second sealing ring.

[0022] A cut-off valve convenient for cleaning proposed by the present utility model has the beneficial effects that: in the present utility model, a filtering assembly threadedly connected to the bottom of the valve body is adopted, which can achieve the effect of convenient disassembly while ensuring the filtration of the water flow inside the valve body. In this way, it can avoid the accumulation of impurities inside the valve body and affect the sealing performance of the valve seat. In addition, in the present utility model, a design of a plurality of inclined water inlet holes is adopted on the guiding pipe of the filtering assembly. When the water source enters, the water source enters the interior of the guiding pipe obliquely along the plurality of water inlet holes. In this way, a swirling flow can be formed inside the guiding pipe, so that most of the impurities can be attracted into the interior of the guiding pipe, ensuring the stability of the collection of impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a perspective view of the present utility model;

[0024] Figure 2 is a cross-sectional view of the present utility model;

[0025] Figure 3Schematic structural diagram of the rotating seat of the present utility model;

[0026] Figure 4 Schematic structural diagram of the guiding pipe of the present utility model;

[0027] Figure 5 Schematic structural diagram of the water inlet hole of the present utility model.

[0028] In the figure: 1, valve body; 11, inlet; 12, outlet; 13, stepped hole; 2, driving member; 3, valve seat; 4, filtering assembly; 41, rotating seat; 411, arc groove; 42, guiding pipe; 421, water inlet hole; 422, stepped position; 423, positioning hole; 43, filter screen; 44, first sealing ring; 45, pressing plate; 46, spring plug; 47, second sealing ring. Specific embodiments

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0030] Referring to Figures 1-5 One embodiment of the present utility model discloses a stop valve that is convenient to clean, which is used to conveniently remove and clean impurities inside the valve body 1 to prevent affecting the sealing performance of the valve seat 3. Specifically, the stop valve includes:

[0031] A valve body 1 having an inlet 11 and an outlet 12, and the inlet 11 and the outlet 12 are communicated inside the valve body 1;

[0032] In the valve body 1, a valve seat 3 is movably connected through a driving member 2. The driving member 2 can be set as a screw rod, and the screw rod is threadedly connected to the sealing seat inside the valve body 1. At the same time, the bottom of the screw rod is rotatably connected to the valve seat 3 to realize the up and down movement drive of the valve seat 3 and realize the on-off control between the inlet 11 and the outlet 12. This method is a prior art and will not be elaborated here;

[0033] Among them, a filtering assembly 4 is detachably connected in the valve body 1. The filtering assembly 4 is located at the connection of the inlet 11 and the outlet 12, and the filtering assembly 4 is detachably connected below the valve body 1.

[0034] In some embodiments, the filtering assembly 4 in the present utility model includes:

[0035] A rotating seat 41, which is provided with a disassembly structure between it and the valve body 1;

[0036] And a guiding pipe 42, which is fixed to the top of the rotating seat 41 and a filter screen 43 is detachably connected inside.

[0037] Further, in this embodiment, a first stepped hole 13 is provided at the bottom of the valve body 1. The rotating seat 41 is threadedly connected to the stepped hole 13, and the guide pipe 42 passes through the stepped hole 13 into the interior of the valve body 1. That is to say, in this embodiment, through the structural design of threaded connection, it is used to realize the convenient installation of the rotating seat 41. When disassembling, reverse-rotate the rotating seat 41 to remove the guide pipe 42 together with the filter screen 43, so as to realize the convenient removal and cleaning of internal impurities.

[0038] Of course, in order to realize the convenient rotation of the rotating seat 41, in this embodiment, two arc-shaped grooves 411 are provided on the lower end surface of the rotating seat 41, and a twisting part is formed between the two arc-shaped grooves 411. That is to say, in this embodiment, through the design of two arc-shaped grooves 411, a placement space for fingers is formed, so that the rotating seat 41 can be conveniently operated after holding the twisting part.

[0039] On the basis of the above embodiment, in this embodiment, a first step is formed between the rotating seat 41 and the guide pipe 42, and a first sealing ring 44 is placed on the step. The first sealing ring 44 is sleeved on the outer side of the guide pipe 42. The design of the first sealing ring 44 is used to abut against the stepped hole 13 at the bottom of the valve body 1 when the rotating seat 41 is threadedly fixed, so as to ensure the installation seal of the rotating seat 41 and avoid water leakage.

[0040] It should be noted that on the outer peripheral surface of the guide pipe 42 in the present utility model, a plurality of water inlet holes 421 are provided, and the plurality of water inlet holes 421 are inclined from the outer peripheral surface to the inner peripheral surface of the guide pipe 42. Specifically, the purpose of adopting a plurality of inclined water inlet holes 421 is that when water enters from the inlet 11, the water enters the interior of the guide pipe 42 along the plurality of inclined water inlet holes 421. In this way, a swirling flow can be formed inside the guide pipe 42. Those skilled in the art know that the swirling flow has a certain attraction, so most of the impurities can be attracted into the interior of the guide pipe 42 to ensure the stability of impurity collection.

[0041] In some embodiments, in the present utility model, a first stepped position 422 is provided at the top of the guide pipe 42, and a filter screen 43 and a pressing plate 45 are sequentially placed in the stepped position 422 from top to bottom;

[0042] The pressing plate 45 is connected to the guide pipe 42 through a buckle structure, and the pressing plate 45 is used to fix the filter screen 43.

[0043] In a preferred embodiment, the snap structure in the utility model includes spring plug columns 46 embedded on both sides of the pressing plate 45. A positioning hole 423 adapted to the telescopic end of the spring plug column 46 is provided at the top of the guiding tube 42. That is to say, during assembly, first place the filter screen 43 on the upper side of the step position 422 to isolate impurities. Then, press the pressing plate 45 into the step position 422, and the telescopic ends of the spring plug columns 46 on both sides of the pressing plate 45 are clamped with the positioning holes 423 to fix the pressing plate 45, thereby completing the assembly and fixing of the filter screen 43. When disassembling, just press the spring plug columns 46 on both sides to remove the pressing plate 45, and then the filter screen 43 can be taken out for replacement or cleaning.

[0044] Preferably, in order to seal the bottom of the guiding tube 42 and the contact position inside the valve body 1, a second sealing ring 47 is sleeved outside the pressing plate 45 in the utility model. Any cross-section of the second sealing ring 47 is in a T-shaped structure, and a through hole adapted to the telescopic end of the spring plug column 46 is provided on the outer peripheral surface of the second sealing ring 47. The design of the second sealing ring 47 can realize the joint connection and disassembly with the pressing plate 45. In addition, it can also protect the top of the pressing plate 45 and the guiding tube 42 to improve the sealing performance. Preferably, the top of the pressing plate 45 in this embodiment is flush with the flat cloth of the guiding tube 42 after installation.

[0045] In summary, in the utility model, by adopting the filter assembly 4 threadedly connected to the bottom of the valve body 1, while ensuring the filtration of the water flow inside the valve body 1, the effect of convenient disassembly is achieved, so as to avoid the accumulation of impurities inside the valve body 1 and affect the sealing performance of the valve seat 3. In addition, in the utility model, the guiding tube 42 of the filter assembly 4 is designed with a plurality of inclined water inlet holes 421. When the water source enters, the water source enters the inside of the guiding tube 42 along the plurality of inclined water inlet holes 421, so as to form a swirling flow inside the guiding tube 42. Therefore, most of the impurities can be attracted into the inside of the guiding tube to ensure the stability of impurity collection.

[0046] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution and the inventive concept of the utility model, makes equivalent substitutions or changes, and should be covered by the protection scope of the utility model.

Claims

1. A stop valve that is easy to clean, characterized in that: include: A valve body (1) having an inlet (11) and an outlet (12), wherein the inlet (11) and the outlet (12) are connected inside the valve body (1); A valve seat (3) is movably connected to the valve body (1) via a driving member (2); Wherein, a filter assembly (4) is detachably connected to the valve body (1), the filter assembly (4) is located at the connection between the inlet (11) and the outlet (12), and the filter assembly (4) is detachably connected to the bottom of the valve body (1).

2. The easy-to-clean stop valve according to claim 1, characterized in that: The filter assembly (4) comprises: A rotating seat (41) having a disassembly structure disposed between the rotating seat and the valve body (1); and a guide tube (42) which is fixed to the top of the rotating seat (41) and has a filter screen (43) detachably connected thereto.

3. The easy-to-clean stop valve according to claim 2, characterized in that: A step hole (13) is provided at the bottom of the valve body (1), the rotating seat (41) is threadedly connected to the step hole (13), and the guide tube (42) is passed along the step hole (13) to the interior of the valve body (1).

4. The easy-to-clean stop valve according to claim 2 or 3, characterized in that: Two arc-shaped grooves (411) are formed on the lower end surface of the rotating seat (41), and a twisting portion is formed between the two arc-shaped grooves (411).

5. The easy-to-clean stop valve according to claim 2 or 3, characterized in that: A step is formed between the rotating seat (41) and the guide tube (42), and a first sealing ring (44) is placed on the step. The first sealing ring (44) is sleeved on the outside of the guide tube (42).

6. The easy-to-clean stop valve according to claim 2, characterized in that: A plurality of water inlet holes (421) are provided on the outer circumferential surface of the guide tube (42), and the plurality of water inlet holes (421) are arranged obliquely from the outer circumferential surface of the guide tube (42) to the inner circumferential surface thereof.

7. The easy-to-clean stop valve according to claim 2 or 6, characterized in that: A step position (422) is provided at the top of the guide tube (42), and a filter screen (43) and a pressing plate (45) are placed in the step position (422) from top to bottom. The pressing plate (45) and the guide tube (42) are connected via a snap-fit ​​structure.

8. The easy-to-clean stop valve according to claim 7, characterized in that: The buckle structure comprises spring plugs (46) embedded on both sides of the pressure plate (45), and a positioning hole (423) adapted to fit the telescopic end of the spring plug (46) is provided on the top of the guide tube (42).

9. The easy-to-clean stop valve according to claim 8, characterized in that: A second sealing ring (47) is sleeved on the outer side of the pressure plate (45), and any cross section of the second sealing ring (47) is a T-shaped structure. A through hole adapted to the telescopic end of the spring plug (46) is opened on the outer peripheral surface of the second sealing ring (47).

Citation Information

Patent Citations

  • Stop valve convenient to clean

    CN212131348U