High-wear-resistant water pump body

By introducing fin-shaped guide blocks, spiral guide vanes, and wear-resistant liners into the pump body, combined with a detachable plug-in ring structure, the wear problem of traditional pump bodies under complex working conditions is solved, achieving high wear resistance and convenient maintenance.

CN224380196UActive Publication Date: 2026-06-19ZHEJIANG TIANCI PUMP IND CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG TIANCI PUMP IND CO LTD
Filing Date
2025-07-09
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Traditional water pump bodies suffer severe wear under complex operating conditions, especially in the guide zone and feed section, where impact wear caused by fluid turbulence and pressure pulsation is prominent. Furthermore, replacing parts is difficult and maintenance costs are high.

Method used

A high wear-resistant water pump body was designed, which uses a fish fin-shaped guide block to guide the flow, a spiral guide plate to control the flow direction, a wear-resistant inner liner to protect the feed pipe, and a detachable plug-in ring and threaded connection structure to facilitate maintenance and replacement of wear-resistant parts.

Benefits of technology

It effectively reduces wear on the inner wall of the pump body, improves the maintenance efficiency and service life of the device, and enhances the conveying stability and wear resistance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224380196U_ABST
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Abstract

This utility model relates to the field of water pump body technology and discloses a high wear-resistant water pump body, including a pump body body. The two ends of the pump body body body are respectively connected to a discharge pipe and a connecting pipe. A spiral guide plate is fixed inside the discharge pipe, and an annular groove and a first insertion groove are formed on one side of the outer surface of the connecting pipe. By setting a fin-shaped high-chromium cast iron guide block, the feed flow direction can be effectively guided, vortex formation conditions can be broken, pressure pulsation can be reduced, and the impact and wear on the inner wall of the pump body can be reduced. A wear-resistant lining is set inside the feed pipe to achieve high-strength wear and corrosion resistance. The threaded connection and detachable structure design between the connecting pipe, the insertion ring, and the feed pipe facilitate daily maintenance and replacement of wear-resistant parts, significantly improving the maintenance efficiency and service life of the device. At the same time, the spiral guide plate arranged in the discharge section helps control the liquid flow direction, reduce turbulence and backflow scouring, and improve the overall conveying stability and wear resistance of the pump body.
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Description

Technical Field

[0001] This utility model relates to the field of water pump body technology, specifically a highly wear-resistant water pump body. Background Technology

[0002] As a key piece of equipment for transporting liquids or liquid-solid mixtures, water pumps are widely used in mining, chemical, dredging, environmental protection and other fields. Their operating efficiency and structural durability directly affect the stability and economy of the entire system.

[0003] However, under complex operating conditions, liquids often contain a large number of solid particles. These highly abrasive media can cause severe wear to the pump's inlet pipe, guide zone, and outlet channel, reducing equipment lifespan and operational stability. Traditional pump structures are mostly one-piece designs, which not only lack wear resistance but also make component replacement difficult and maintenance costs high. The impact wear caused by fluid turbulence and pressure pulsation is particularly prominent in the guide zone and inlet section.

[0004] Therefore, it is necessary to design a highly wear-resistant water pump body to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a highly wear-resistant water pump body to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high wear-resistant water pump body, comprising a pump body main body, with a discharge pipe and a connecting pipe respectively connected to both ends of the pump body main body, and a spiral guide plate fixedly connected inside the discharge pipe, and an annular groove and a first insertion groove opened on one side of the outer surface of the connecting pipe, with an insertion ring slidably inserted inside the first insertion groove, and a second insertion groove opened on one side of the insertion ring, and multiple circumferentially distributed guide blocks fixedly connected inside the insertion ring, with a first insertion ring and a second insertion ring slidably inserted inside the annular groove and the second insertion groove respectively, and a feed pipe fixedly connected to one side of the first insertion ring and the second insertion ring, with a wear-resistant liner installed inside the feed pipe by bolts, and a flange fixedly connected to one side of the feed pipe, and a sealing ring movably sleeved on the outer surface of the first insertion ring, the outer surface of the sealing ring being flush with the outer surface of the feed pipe, and two connected threaded mounting holes opened on the outer surfaces of the first insertion ring and the connecting pipe, and the first insertion ring being threadedly connected to the inside of the annular groove by bolts.

[0007] Preferably, the guide block is fin-shaped, and the tip of the guide block faces the side of the insertion ring away from the feed pipe.

[0008] Preferably, the sealing ring is located between the connecting pipe and the feed pipe, and both sides of the sealing ring are respectively attached to one side of the connecting pipe and the feed pipe, and the inner wall of the sealing ring is attached to one side of the connecting pipe.

[0009] Preferably, the spiral guide plate is spiral in shape, and the top and bottom ends of the spiral guide plate are flush with the top and bottom ends of the discharge pipe, respectively.

[0010] Preferably, the wear-resistant liner is made of alumina ceramic, the thickness of the wear-resistant liner is 10-20mm, the length of the wear-resistant liner is equal to the length of the feed pipe, and the outer surface of the wear-resistant liner is in contact with the inside of the feed pipe.

[0011] Preferably, the diameter of the wear-resistant liner is smaller than the diameter of the connecting pipe, and the guide block is made of high-chromium cast iron.

[0012] The technical solution provided by this utility model has the following advantages compared with the prior art:

[0013] This invention effectively guides the feed flow, breaks the conditions for vortex formation, reduces pressure pulsation, and minimizes impact and wear on the pump body by setting up fin-shaped high-chromium cast iron guide blocks. Wear-resistant linings inside the feed pipe provide high-strength wear and corrosion protection. The threaded connection and detachable structure between the connecting pipe, plug ring, and feed pipe facilitate routine maintenance and replacement of wear-resistant parts, significantly improving the device's maintenance efficiency and service life. Simultaneously, the spiral guide vanes arranged in the discharge section help control the liquid flow direction, reduce turbulence and backflow scouring, and improve the overall pump's conveying stability and wear resistance. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is an exploded view of the feed pipe and connector ring structure of this utility model;

[0016] Figure 3 This is an exploded view of the plug ring and connecting pipe structure of this utility model;

[0017] In the diagram: 1. Pump body; 2. Discharge pipe; 3. Flange; 4. Inlet pipe; 5. Connecting pipe; 6. Spiral guide plate; 7. Wear-resistant liner; 8. Insert ring; 9. Sealing ring; 10. First insert ring; 11. Second insert ring; 12. Ring groove; 13. First insert groove; 14. Guide block; 15. Second insert groove. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0019] Obviously, many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Please see Figure 1-3 This utility model provides a high wear-resistant water pump body, including a pump body body 1. The two ends of the pump body body 1 are respectively connected to a discharge pipe 2 and a connecting pipe 5. A spiral guide plate 6 is fixedly connected inside the discharge pipe 2. An annular groove 12 and a first insertion groove 13 are formed on one side of the outer surface of the connecting pipe 5. An insertion ring 8 is slidably inserted into the first insertion groove 13. A second insertion groove 15 is formed on one side of the insertion ring 8. Multiple circumferentially distributed guide blocks 14 are fixedly connected inside the insertion ring 8. A first insert ring 10 and a second insert ring 11 are slidably inserted into the interior of the annular groove 12 and the second insert groove 15, respectively. A feed pipe 4 is fixedly connected to one side of both the first insert ring 10 and the second insert ring 11. A wear-resistant liner 7 is bolted into the interior of the feed pipe 4, and a flange 3 is fixedly connected to one side of the feed pipe 4. A sealing ring 9 is movably fitted onto the outer surface of the first insert ring 10, and the outer surface of the sealing ring 9 is flush with the outer surface of the feed pipe 4. Both the outer surfaces of the first insert ring 10 and the connecting pipe 5 have corresponding openings. The two threaded mounting holes are connected, and the first insert ring 10 is bolted to the inside of the ring groove 12. The discharge pipe 2 and the feed pipe 4 facilitate material feeding of the pump body 1. The flange 3 connects to the raw material pipe for material transport. During transport, the wear-resistant liner 7 provides wear protection for the feed pipe 4. Simultaneously, the multiple guide blocks 14 on the insert ring 8 guide the flow of material as it enters the impeller area, thus breaking the conditions for vortex formation and helping to maintain... To maintain laminar flow or reduce pressure pulsation and prevent vibration and wear, when the impeller delivers the material into the discharge pipe 2, the spiral guide plate 6 provides spiral conveying of the material, thereby controlling the flow direction, preventing turbulence, reducing direct impact on the wall surface, and further improving the overall wear resistance of the pump body 1. Furthermore, the threaded disassembly between the connecting pipe 5, the feed pipe 4, and the plug ring 8 facilitates the replacement of the plug ring 8 and the wear-resistant liner 7, thereby improving the overall ease of disassembly and assembly of the device and extending the overall service life of the pump body 1.

[0021] In order to guide the flow of the feed, the guide block 14 is shaped like a fish fin, and the tip of the guide block 14 faces the side of the insertion ring 8 away from the feed pipe 4.

[0022] To increase the sealing of the connection between the feed pipe 4 and the connecting pipe 5, the sealing ring 9 is located between the connecting pipe 5 and the feed pipe 4, and both sides of the sealing ring 9 are respectively attached to one side of the connecting pipe 5 and the feed pipe 4, and the inner wall of the sealing ring 9 is attached to one side of the connecting pipe 5.

[0023] Furthermore, the material is guided at the impeller outlet to reduce the possibility of backflow impact. The spiral guide plate 6 is spiral in shape, and the top and bottom ends of the spiral guide plate 6 are flush with the top and bottom ends of the discharge pipe 2, respectively.

[0024] To improve the wear resistance of the inside of the feed pipe 4, the wear-resistant liner 7 is made of alumina ceramic, the thickness of the wear-resistant liner 7 is 10-20mm, the length of the wear-resistant liner 7 is equal to the length of the feed pipe 4, and the outer surface of the wear-resistant liner 7 is in contact with the inside of the feed pipe 4.

[0025] In order to deliver the material slowly, reduce the impact of the material on the impeller, and improve the overall wear resistance of the pump body 1, the diameter of the wear-resistant liner 7 is smaller than the diameter of the connecting pipe 5, and the guide block 14 is made of high-chromium cast iron.

[0026] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0027] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0028] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A highly wear-resistant water pump body, comprising a pump body body (1), characterized in that: The pump body (1) is connected to a discharge pipe (2) and a connecting pipe (5) at both ends. A spiral guide plate (6) is fixed inside the discharge pipe (2). An annular groove (12) and a first insertion groove (13) are opened on one side of the outer surface of the connecting pipe (5). An insertion ring (8) is slidably inserted inside the first insertion groove (13). A second insertion groove (15) is opened on one side of the insertion ring (8). Multiple circumferentially distributed guide blocks (14) are fixed inside the insertion ring (8). A first insertion ring (10) and a second insertion ring (15) are slidably inserted inside the annular groove (12) and the second insertion groove (15). A feed pipe (4) is fixedly connected to one side of the first feed pipe (10) and the second feed pipe (11). The feed pipe (4) is fitted with a wear-resistant inner liner (7) by bolts. A flange (3) is fixedly connected to one side of the feed pipe (4). A sealing ring (9) is movably fitted on the outer surface of the first feed pipe (10). The outer surface of the sealing ring (9) is flush with the outer surface of the feed pipe (4). The outer surfaces of the first feed pipe (10) and the connecting pipe (5) are provided with two connected threaded mounting holes. The first feed pipe (10) is threadedly connected to the inside of the ring groove (12) by bolts.

2. The high wear-resistant water pump body according to claim 1, characterized in that: The guide block (14) is fin-shaped, and the tip of the guide block (14) faces the side of the insertion ring (8) away from the feed pipe (4).

3. The high wear-resistant water pump body according to claim 1, characterized in that: The sealing ring (9) is located between the connecting pipe (5) and the feed pipe (4), and the two sides of the sealing ring (9) are respectively attached to one side of the connecting pipe (5) and the feed pipe (4), and the inner wall of the sealing ring (9) is attached to one side of the connecting pipe (5).

4. The high wear-resistant water pump body according to claim 1, characterized in that: The spiral guide plate (6) is spiral in shape, and the top and bottom ends of the spiral guide plate (6) are flush with the top and bottom ends of the discharge pipe (2), respectively.

5. The high wear-resistant water pump body according to claim 1, characterized in that: The wear-resistant liner (7) is made of alumina ceramic, the thickness of the wear-resistant liner (7) is 10-20mm, the length of the wear-resistant liner (7) is equal to the length of the feed pipe (4), and the outer surface of the wear-resistant liner (7) is in contact with the inside of the feed pipe (4).

6. The high wear-resistant water pump body according to claim 1, characterized in that: The diameter of the wear-resistant liner (7) is smaller than the diameter of the connecting pipe (5), and the material of the guide block (14) is high-chromium cast iron.