Ceramic impeller for leakage-free ceramic pump

By designing a special structure for the ceramic impeller and cooperating with the metal connecting sleeve, the problems of inconvenient installation and poor sealing of ceramic pump impellers have been solved, achieving stable and reliable installation and reducing replacement costs.

CN224107451UActive Publication Date: 2026-04-10JIANGSU PROVINCE YIXING NONMETALLIC CHEM MACHINERY FACTORY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-03
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing ceramic pump impeller structures are inconvenient to install and disassemble, have poor sealing performance, and are costly to replace overall, making it impossible to guarantee the sealing performance of ceramic pumps.

Method used

Design a ceramic impeller with a vertical flat section on the left and a protruding mounting section on the right. A shaft connecting sleeve is provided in the mounting hole. The main shaft is detachably installed with the metal connecting sleeve through a threaded fit and is fixed with adhesive. A sealing gasket is provided between the impeller and the main shaft.

Benefits of technology

This technology enables stable and reliable installation and disassembly of ceramic pumps, improves sealing performance, reduces overall replacement costs, and maintains the wear-resistant and corrosion-resistant properties of ceramic materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The ceramic impeller comprises an impeller body, the left side end of the impeller body is arranged to be a vertical plane portion, the right side end of the impeller body is provided with a protruding installation portion, an installation hole is formed in the installation portion, the right side end of the installation hole is in an opening form, and the right side end of the installation hole is provided with an opening. The mounting hole correspondingly extends from the opening of the right side end to the plane part of the left side end, and the mounting hole does not penetrate through the plane part. The left side end of the impeller is provided with the vertical plane part, the right side end of the impeller is provided with the protruding installation part, the impeller is correspondingly installed in cooperation with the leakage-free ceramic pump, internal sealing of the ceramic pump is guaranteed, and the structure is reasonable; the impeller of the device is made of a ceramic material and has the characteristics of wear resistance, corrosion resistance and high temperature resistance, on one hand, the performance of the whole structure is improved, and on the other hand, a conditional basis is provided for follow-up mounting, dismounting and maintenance of the shaft body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a no -leakage ceramic pump body technical field, specifically speaking, a kind of ceramic impeller for no -leakage ceramic pump. BACKGROUND

[0002] In prior art, the impeller structure in pump body is as shown in Figure 6 Generally, it is necessary to set blade on impeller, and most importantly, it is necessary to set mounting hole connected with main shaft of pump body on impeller, Figure 6 The mounting hole of through-hole type is arranged at middle part of impeller, and main shaft of pump body needs to pass through the mounting hole in the middle of impeller and then needs to be correspondingly installed on the other side of pump body during specific installation.

[0003] In addition, there is a part of the structure of impeller, for example: the "slurry pump ceramic impeller" disclosed in publication (announcement) No. CN217380997U, the technical scheme of the pump ceramic impeller is combined by ceramic wheel body and metal handle, which retains the characteristics of good ceramic wear resistance and acid corrosion resistance, solves the defects of fragile ceramic and difficult processing, meets the use requirements of impeller, improves the service life of impeller, reduces the frequency of replacement and maintenance, and improves the production efficiency.

[0004] For example: the "ceramic pump for preventing impeller from loosening" disclosed in publication (announcement) No. CN219012958U, the technical scheme of the ceramic pump for preventing impeller from loosening reduces the risk of medium leakage, and overall, it is also an impeller structure with sealing property.

[0005] The existing above-mentioned impeller structure is relatively troublesome to install and disassemble during specific use, cannot be conveniently installed, disassembled and maintained, and most of the impeller structures are integrated structures, so if the installation part has a problem, a complete set of impeller structure needs to be replaced, which is very wasteful of cost.

[0006] On the other hand, when cooperating with ceramic pump for installation, it is impossible to guarantee the sealing performance of ceramic pump, especially the through-hole type impeller structure will generate more gap parts during specific installation, which greatly affects the sealing performance.

[0007] Therefore, in order to solve the above problems, a ceramic impeller for no -leakage ceramic pump with reasonable structure and improved sealing performance needs to be researched and developed. UTILITY MODEL CONTENTS

[0008] The utility model aims at the deficiencies in prior art, and provides a ceramic impeller for no -leakage ceramic pump;Its technical scheme is as follows:

[0009] A kind of ceramic impeller for leakage-free ceramic pump, including impeller body, the left end of the impeller body is provided as vertical plane part, and the right end is provided with protruding mounting portion, the mounting portion is provided with mounting hole, the right end of the mounting hole is in the form of opening, the mounting hole is correspondingly extended from the opening of the right end to the plane part of the left end, and the mounting hole does not penetrate the plane part;

[0010] The shaft body connecting portion is further provided in the mounting hole, and the shaft body connecting portion is connected with the main shaft of the ceramic pump, and the main shaft drives the impeller to rotate.

[0011] Further, the impeller body is further provided with evenly spaced blades, and the mounting position and direction of the blades are correspondingly arranged, so that the right side of the blade is the liquid inlet side, and the outer circle is the liquid outlet.

[0012] Further, the impeller body and the blade are both made of ceramic material.

[0013] Further, the shaft body connecting portion is provided as a connecting sleeve, the outer diameter of the connecting sleeve is consistent with the inner diameter of the mounting hole, and the inside of the connecting sleeve is provided with a first stepped hole and a second threaded hole.

[0014] The end of the main shaft of the ceramic pump is provided with a corresponding stepped portion and a threaded portion, and the main shaft of the ceramic pump is detachably mounted with the connecting sleeve by thread cooperation.

[0015] Further, the connecting sleeve is made of metal material.

[0016] Further, the connecting sleeve is fixed in the mounting hole by means of adhesive bonding.

[0017] Further, a groove is further provided on the outer wall of the connecting sleeve, and the adhesive is correspondingly placed in the groove.

[0018] Further, after the main shaft of the ceramic pump is correspondingly mounted with the impeller body, an L-shaped sealing gasket is further provided between the mounting portion and the sidewall of the main shaft.

[0019] Beneficial effects: the utility model has the following beneficial effects:

[0020] 1) In the device, the left end of the impeller is provided as vertical plane part, and the right end is provided as protruding mounting portion, which is correspondingly mounted with leakage-free ceramic pump, ensures the internal sealing of the ceramic pump, and the structure is reasonable.

[0021] 2) The impeller of the device is made of ceramic material, which has the characteristics of wear resistance, corrosion resistance and high temperature resistance, on the one hand, increases the performance of the overall structure, and on the other hand, provides the basis for the subsequent installation, disassembly and maintenance of the shaft body;

[0022] 3) The installation hole is arranged in the mounting part of the impeller body, a metal connecting sleeve is arranged in the installation hole, the main shaft of the ceramic pump is correspondingly installed through the metal sleeve, so that the main shaft is detachable and stably and reliably installed. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural drawing of the utility model;

[0024] Figure 2 It is an exploded view of the impeller body and the shaft body connecting part;

[0025] Figure 3 It is a connecting view of the utility model and the main shaft of the ceramic pump;

[0026] Figure 4 It is an exploded view of the utility model and the main shaft of the ceramic pump;

[0027] Figure 5 It is an assembly view of the utility model in the ceramic pump;

[0028] Figure 6 It is a structural drawing of the prior art;

[0029] The impeller body 1, the planar part 2, the mounting part 3, the installation hole 4, the shaft body connecting part 5, the main shaft 6, the blade 7, the connecting sleeve 8, the first stepped hole 9, the second threaded hole 10, the stepped part 11, the threaded part 12, the adhesive 13 and the groove 14. DETAILED DESCRIPTION

[0030] The utility model will be further illustrated in combination with the drawings and specific embodiments, the embodiment is implemented on the premise of the technical scheme of the utility model, and it should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model.

[0031] As shown in the drawings, Figure 1 A ceramic impeller for a leakage-free ceramic pump, comprising an impeller body 1, the left side end of the impeller body 1 is provided as a vertical planar part 2, and the right side end is provided with a protruding mounting part 3, the mounting part 3 is provided with an installation hole 4, the right side end of the installation hole 4 is in the form of an opening, the installation hole 4 correspondingly extends from the opening at the right side end to the planar part 2 at the left side end, and the installation hole 4 does not penetrate the planar part 2.

[0032] The shaft body connecting part 5 is further arranged in the installation hole 4, and the shaft body connecting part 5 is correspondingly connected with the main shaft 6 of the ceramic pump, and the main shaft 6 drives the impeller to rotate.

[0033] The impeller body 1 is further provided with blades 7 spaced uniformly, and the installation position and direction of the blades 7 are correspondingly arranged, so that the right side of the blades 7 is the air inlet side, and the left side is the air outlet side.

[0034] The impeller body 1 and the blade 7 are both made of ceramic material.

[0035] As shown in Figure 2 , the shaft connecting part 5 is provided with a connecting sleeve 8, the outer diameter of the connecting sleeve 8 is consistent with the inner diameter of the mounting hole 4, and the inside of the connecting sleeve 8 is provided with a first stepped hole 9 and a second threaded hole 10;

[0036] As shown in Figure 3 , Figure 4 , and Figure 5 , the end of the ceramic pump shaft 6 is provided with a corresponding stepped part 11 and a threaded part 12, and the ceramic pump shaft 6 is detachably installed with the connecting sleeve 8 through threaded cooperation.

[0037] The connecting sleeve 8 is made of metal material; the connecting sleeve 8 is fixed in the mounting hole 4 by the way of gluing with the adhesive 13.

[0038] The outer wall of the connecting sleeve 8 is also provided with a ring of grooves 14, and the adhesive 13 is placed in the grooves 14.

[0039] After the ceramic pump shaft 6 and the impeller body 1 are correspondingly installed, a ring of L-shaped sealing pads is arranged between the mounting part 3 and the side wall of the shaft 6.

[0040] The specific working principle of the device is as follows: as shown in Figure 5 , the impeller of the device is designed for a leak-free ceramic pump, and the left end of the leak-free ceramic pump is a closed structure and cannot be installed with the shaft, the left end of the impeller is designed as a vertical plane part, which does not contact the left end of the leak-free ceramic pump, and the right end is designed as a convex mounting part structure for the installation of the ceramic pump shaft.

[0041] Most of the impellers in the prior art are designed to be made of ceramic material to increase the use performance, and the ceramic material has the performance characteristics of corrosion resistance and wear resistance, but the disadvantage is that it is easy to break, and if it is directly installed with the shaft of the ceramic pump, on the one hand, it is easy to cause the rupture of the impeller, thereby affecting the service life, on the other hand, if the installation part is damaged, it will directly affect the use of the whole impeller, and the whole impeller needs to be replaced, which wastes the cost.

[0042] The technical scheme of the device is to provide an installation hole extending inwardly at the center position of the impeller mounting part, but the installation hole is not through, and the shaft is directly installed and fixed in the installation hole, without the need for the shaft to pass through the installation hole and then be fixed.

[0043] Meanwhile, the main shaft is not directly fixed in the mounting hole, but a connecting sleeve is arranged in the mounting hole, a stepped hole and a threaded hole are arranged in the connecting sleeve, and a corresponding stepped portion and a threaded portion are arranged on the main shaft, so that the main shaft is fixed in the connecting sleeve, the impeller is of ceramic material, but the connecting sleeve is of metal material, so that the overall mechanism is very stable and reliable, the corrosion resistance and wear resistance of the impeller are ensured, and the stability and hardness are not affected, and the structure is very reasonable.

[0044] The above specific embodiment is only a preferred embodiment of the utility model, and is not used to limit the implementation and the scope of claims of the utility model, and equivalent changes and modifications made according to the patent protection scope of the utility model should be included in the patent application scope of the utility model.

Claims

1. A ceramic impeller for a leak-free ceramic pump, characterized by: Including impeller body (1), the left end of the impeller body (1) is provided with vertical plane (2), and the right end is provided with protruding mounting part (3), the mounting hole (4) is arranged in the mounting part (3), the right end of the mounting hole (4) is in the form of opening, the mounting hole (4) corresponds from the opening of the right end to the plane (2) of the left end, and the mounting hole (4) does not penetrate the plane (2); The shaft body connecting part (5) is further arranged in the mounting hole (4), and the shaft body connecting part (5) is connected with the main shaft (6) of the ceramic pump, and the main shaft (6) drives the impeller to rotate.

2. A ceramic impeller for a leak-free ceramic pump according to claim 1, characterized in that: The impeller body (1) is further provided with uniform spacing blades (7), and the installation position and direction of the blades (7) are correspondingly arranged, so that the right side of the blades (7) is the liquid inlet side, and the outer circle is the liquid outlet.

3. A ceramic impeller for a leak-free ceramic pump according to claim 2, characterized in that: The impeller body (1) and the blades (7) are both made of ceramic material.

4. A ceramic impeller for a leak-free ceramic pump according to claim 1, characterized in that: The shaft body connecting part (5) is provided as a connecting sleeve (8), the outer diameter of the connecting sleeve (8) is consistent with the inner diameter of the mounting hole (4), and the first step hole (9) and the second threaded hole (10) are arranged in the connecting sleeve (8); The end of the main shaft (6) of the ceramic pump is provided with corresponding step part (11) and threaded part (12), and the main shaft (6) of the ceramic pump is detachably installed with the connecting sleeve (8) through threaded cooperation.

5. A ceramic impeller for a leak-free ceramic pump according to claim 4, characterized in that: The connecting sleeve (8) is made of metal material.

6. A ceramic impeller for a leak-free ceramic pump according to claim 4, characterized in that: The connecting sleeve (8) is fixed in the mounting hole (4) by means of adhesive (13) in the mounting hole (4).

7. A ceramic impeller for a leak-free ceramic pump according to claim 6, characterized in that: The outer wall of the connecting sleeve (8) is further provided with a groove (14), and the adhesive (13) is correspondingly placed in the groove (14).

8. A ceramic impeller for a leak-free ceramic pump according to claim 4, characterized in that: After the main shaft (6) of the ceramic pump is correspondingly installed with the impeller body (1), a circle of L-shaped sealing pad is further arranged between the mounting part (3) and the sidewall of the main shaft (6).

Citation Information

Patent Citations

  • Ceramic impeller of slurry pump

    CN217380997U

  • Ceramic pump capable of preventing impeller from loosening

    CN219012958U