Novel wear-resistant sleeve structure for regulating valve

By designing a wear-resistant sleeve structure for a new type of control valve, the problems of sleeve wear and erosion under harsh working conditions are solved, and the wear resistance performance is improved and noise reduction is reduced, the service life is extended, and customer needs are met.

CN223227884UActive Publication Date: 2025-08-15SUZHOU DELAN ENERGY TECH
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Patent Information

Application Number
CN202422801701.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-08-15
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing regulating valves are severely worn and flushed under harsh working conditions, resulting in a shortened sleeve service life, affecting control accuracy and overall service life.

Method used

A new wear-resistant sleeve structure for regulating valves is designed, including a base, cover plate, lower disc and upper sleeve. Through the combination of vertical grooves, square grooves and through holes, it improves wear and flush resistance, and uses threaded connections to simplify installation.

Benefits of technology

Improve the wear and flush resistance of the sleeve under harsh working conditions, extend the service life, reduce noise and resonance, meet the needs of low-noise environments, and enhance market competitiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel wear-resistant sleeve structure for a regulating valve. The novel wear-resistant sleeve structure comprises a base and a cover plate matched with the base. Vertical grooves are formed in the base in an array manner; a lower disc and an upper sleeve are arranged between the cover plate and the base; the lower disc is arranged below the upper sleeve; a plurality of independent square grooves are arrayed on the lower disc; a plurality of through holes are arrayed in the upper sleeve; through cooperation and structural design of the base, the cover plate, the lower disc and the upper sleeve, the wear resistance and the scouring resistance of the regulating valve and the sleeve can be improved under the severe working condition, and the service life of the regulating valve is overall prolonged; the connection is reliable and not easy to loosen; the effect of step-by-step pressure reduction can be achieved, cavitation is effectively avoided, and the service life is greatly prolonged; noise and resonance are reduced, and the device is suitable for low-noise occasions; by the adoption of the design, the requirement for the valve is better met, the requirements of customers are met, and the market competitiveness of enterprises is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field related to valves, and in particular to a novel wear-resistant sleeve structure for a regulating valve. Background Art

[0002] At present, the existing regulating valve generally includes a valve body, a valve cover, a sleeve, a valve stem, and a valve plug. When in use, the valve stem is driven by the actuator to rise and fall, thereby driving the valve plug to slide in the sleeve, so that the valve plug opens or closes the radial through hole on the sleeve to realize the opening or closing of the valve; however, in the prior art, due to different use environments, such as harsh working conditions, the wear and erosion of the sleeve are very serious, which greatly reduces the service life of the sleeve and also affects the control accuracy and service life of the regulating valve.

[0003] To this end, the company has developed and designed a new wear-resistant sleeve structure for regulating valves. Utility Model Content

[0004] The purpose of the utility model is to provide a novel wear-resistant sleeve structure for a regulating valve to solve the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present utility model is: a new wear-resistant sleeve structure for a regulating valve, comprising a base and a cover plate matched with the base;

[0006] The base is provided with an array of vertical grooves;

[0007] A lower disc and an upper sleeve are provided between the cover plate and the base;

[0008] The lower disc is arranged below the upper sleeve;

[0009] The lower disc has a plurality of independent square grooves arranged in an array;

[0010] The upper sleeve is provided with a plurality of through holes in an array.

[0011] Preferably, a step is provided at the bottom of the base.

[0012] Preferably, the vertical grooves on the base are dense grooves.

[0013] Preferably, the cover plate and the base are connected by threads.

[0014] Preferably, the square grooves of the lower disc are arranged in a maze shape.

[0015] Preferably, the number of the through holes of the upper sleeve and the square grooves of the lower disc corresponds to the number of the vertical grooves on the base.

[0016] Due to the application of the above technical solution, the beneficial effects of this application compared with the prior art are:

[0017] The present application discloses a novel wear-resistant sleeve structure for a regulating valve. Through the coordination and structural design of the base, cover plate, lower disc and upper sleeve, it can improve the wear resistance and erosion resistance of the regulating valve and sleeve under harsh working conditions, thereby improving the service life of the regulating valve as a whole. At the same time, the installation and disassembly of the sleeve are simplified, the threaded connection is easy to process, the connection is reliable, and it is not easy to loosen. The square groove design on the lower disc can achieve the effect of gradually reducing pressure, effectively avoiding the generation of cavitation, and greatly extending the service life. The design of the through hole on the upper sleeve reduces noise and resonance, and is suitable for low-noise occasions. The above design better meets the requirements for valves, meets the needs of customers, and enhances the market competitiveness of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Attachment Figure 1 This is a cross-sectional schematic diagram of the wear-resistant sleeve structure for the novel regulating valve of the present utility model;

[0020] Attachment Figure 2 This is an overall schematic diagram of the wear-resistant sleeve structure for the novel regulating valve of the utility model;

[0021] Among them: 1. Base; 2. Cover plate; 3. Vertical groove; 4. Lower disc; 5. Upper sleeve; 6. Square groove; 7. Through hole; 8. Step. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe the present invention and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0025] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0026] Furthermore, the terms "installed," "disposed," "provided with," "connected," "connected," and "socketed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0027] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] Example 1

[0029] Attachment Figure 1 、 2 The utility model is a novel wear-resistant sleeve structure for a regulating valve, comprising a base 1 and a cover plate 2 matched with the base 1;

[0030] The base 1 is provided with an array of vertical grooves 3, which are dense grooves and can achieve vertical pressure reduction; the bottom of the base 1 is provided with a step 8 for positioning, fixing the installation position and facilitating installation;

[0031] The cover plate 2 and the base 1 are connected by threads, which has a simple structure and is easy to process without complicated equipment and tools; the connection is reliable, not easy to loosen, easy to disassemble, highly applicable, and environmentally friendly and energy-saving;

[0032] A lower disc 4 and an upper sleeve 5 are provided between the cover plate 2 and the base 1;

[0033] The lower disc 4 is arranged below the upper sleeve 5;

[0034] The square grooves 6 of the lower disc 4 are arranged in a maze-like pattern. The lower disc 4 is provided with a plurality of independent square grooves 6, which can gradually reduce the pressure, effectively avoid the generation of cavitation, greatly extend the service life, and prevent the valve from eroding the valve core sealing surface under the condition of a small opening;

[0035] The upper sleeve 5 is provided with a plurality of through holes 7 in an array, and adopts a punched structure. The through holes 7 on the sleeve can reduce noise and resonance, and is suitable for low-noise occasions.

[0036] The number of through holes 7 of the upper sleeve 5 and the square grooves 6 of the lower disc 4 corresponds to the number of vertical grooves 3 on the base 1, and the flow rate is stable; when the valve is fully open, if there are impurities in the medium, they can be filtered through the through holes 7 of the upper sleeve 5 to prevent jamming.

[0037] The present application discloses a novel wear-resistant sleeve structure for a regulating valve. Through the coordination and structural design of the base 1, the cover plate 2, the lower disc 4 and the upper sleeve 5, the wear resistance and erosion resistance of the regulating valve and the sleeve can be improved under harsh working conditions, thereby improving the service life of the regulating valve as a whole. At the same time, the installation and disassembly of the sleeve are simplified, the threaded connection is easy to process, the connection is reliable, and it is not easy to loosen. The square groove 6 on the lower disc 4 is designed to gradually reduce the pressure, effectively avoid the generation of cavitation, and greatly extend the service life. The design of the through hole 7 on the upper sleeve 5 reduces noise and resonance, and is suitable for low-noise occasions. The above design better meets the requirements for valves, meets the needs of customers, and enhances the market competitiveness of the enterprise.

[0038] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A new wear-resistant sleeve structure for a regulating valve, characterized by: It includes a base and a cover plate matched with the base; The base is provided with an array of vertical grooves; A lower disc and an upper sleeve are provided between the cover plate and the base; The lower disc is arranged below the upper sleeve; The lower disc has a plurality of independent square grooves arranged in an array; The upper sleeve is provided with a plurality of through holes in an array.

2. A novel wear-resistant sleeve structure for a regulating valve according to claim 1, characterized in that: The bottom of the base is provided with a step.

3. The novel wear-resistant sleeve structure for a regulating valve according to claim 1, characterized in that: The vertical grooves on the base are dense grooves.

4. The novel wear-resistant sleeve structure for a regulating valve according to claim 1 is characterized in that: The cover plate and the base are connected by threads.

5. The novel wear-resistant sleeve structure for a regulating valve according to claim 1 is characterized in that: The square grooves of the lower disc are arranged in a maze shape.

6. The novel wear-resistant sleeve structure for a regulating valve according to claim 1, characterized in that: The number of the through holes of the upper sleeve and the square grooves of the lower disc corresponds to the number of the vertical grooves on the base.