Impeller for electromagnetic air pump

Abstract

The application relates to the technical field of air pumps, in particular to an impeller for an electromagnetic air pump, which comprises an outer hub, an inner hub is fixedly arranged at the middle end of the inner part of the outer hub, an outer sliding groove is arranged on the inner wall of the outer hub, an inner sliding groove is arranged on the outer wall of the inner hub, an inner sliding block is slidably arranged in the inner sliding groove, blades are fixedly arranged at the ends of the inner sliding block away from the inner hub, uniform flow grooves are arranged on the inner sides of the blades, circulating grooves are fixedly arranged on the inner walls of the uniform flow grooves, through-hole pipes are uniformly and penetratively arranged at the middle parts of the inner sides of the blades, movable leaves are movably arranged on the outer walls of the blades, and the technical problems that the impeller of the existing electromagnetic air pump is prone to generating sound during work, the impeller of the existing electromagnetic air pump is not comprehensive in reducing noise, the noise reduction effect is poor, and the distance between the blades of the existing impeller cannot be adjusted, so that the application range is not wide are solved.

Description

Technical Field

[0001] This invention relates to the field of air pump technology, and more specifically, to an impeller for an electromagnetic air pump. Background Technology

[0002] The electromagnetic air pump uses an electromagnetic motor, and the piston generates airflow through linear reciprocating motion. It has a more reasonable structure, an oil-free lubrication design, and produces purer compressed air. It has low energy consumption, large exhaust volume, higher air pressure, and faster heat dissipation. It is suitable for aquaculture seedling cultivation, oxygenation of live aquatic products in hotels and restaurants, fish farming in live seafood stalls in markets, etc. It can also be used as a gas source for equipment in food machinery, medical machinery, neon advertising production, and new liquefied gas industries.

[0003] Existing electromagnetic air pumps are prone to making noise during operation due to the internal impeller. The impeller will produce more or less noise when rotating at high or low speeds. However, the impellers used in current electromagnetic air pumps are not comprehensive enough in terms of noise reduction and the sound reduction effect is not good. At the same time, the current impellers cannot adjust the distance between the blades, which limits their application range. Summary of the Invention

[0004] To address the aforementioned technical problems, this invention provides an impeller for an electromagnetic air pump. This solves the problem that existing electromagnetic air pumps often produce noise during operation, with varying degrees of noise generated whether the impeller is rotating rapidly or slowly. Furthermore, current impellers for electromagnetic air pumps are not comprehensive enough in reducing noise, and the noise reduction effect is poor. Additionally, current impellers cannot adjust the distance between the blades, limiting their application range.

[0005] The objective of this invention for an impeller in an electromagnetic air pump is achieved through the following specific technical means:

[0006] An impeller for an electromagnetic air pump includes an outer hub, an inner hub fixedly disposed at the middle of the inner side of the outer hub, and an outer groove provided on the inner wall of the outer hub. An inner groove is provided at the middle of the outer wall of the inner hub, and an inner slider is slidably disposed within the inner groove. Blades are fixedly disposed at the end of the inner slider away from the inner hub, and flow grooves are uniformly disposed on the inner side of the blades. Circulation grooves are provided on the inner wall of each flow groove, and through-hole pipes are uniformly disposed through the middle of the inner side of the blades. Movable blades are uniformly disposed on the outer wall of the blades. A sleeve is fixedly disposed on one end of the impeller between adjacent blades inside the outer groove, and a plug-in post is disposed through the end of the sleeve away from the blade.

[0007] Preferably, the outer hub has an opening in the middle, and the size of the opening is the same as the size of the outer groove. The width of the outer groove is greater than the thickness of the blade, and the width of the inner groove is the same as the length of the inner slider.

[0008] Preferably, the blades also include wear-resistant pads, with wear-resistant pads fixedly provided on both the inner and outer walls of the blades, and the blades are all in a semi-circular arc shape, while the blades are all of the same size.

[0009] Preferably, the flow channels are all semi-circular arc-shaped and corresponding to the shape of the blades, and the upper and lower ends of the flow channels are connected to the blades. The circulation channels on the two inner walls of the flow channels are all semi-circular arc-shaped and corresponding to the shape of the flow channels, and the circulation channels are all composed of multiple right-angled circulation channels.

[0010] Preferably, the other end of each plug-in post is configured to rotate through and connect with the adjacent impeller, and the outer wall of each plug-in post is provided with threads, the inner wall of each sleeve post is provided with threads corresponding to the outer wall of the plug-in post, and a sleeve post and a plug-in post with the other end of the sleeve post are fixedly provided between every two adjacent blades.

[0011] Preferably, the length of the movable plate is the same as the width of the blade, and the shape and size of the movable plates are the same, and the movable plates are respectively located at intervals between the through-hole pipes.

[0012] Beneficial effects:

[0013] 1. This utility model allows the airflow generated during the blade rotation to be diverted into the co-current channel, thus achieving the effect of diverting and discharging the air. Simultaneously, the airflow enters the circulation channels on both inner walls, where it is slowly discharged, thereby reducing wind noise and ultimately lowering the noise level during blade operation.

[0014] 2. The movable plate on the outer wall of the blade can reduce the wind speed both inside and outside when the blade rotates, so that the wind is discharged slowly. At the same time, with the action of the through-hole pipe, when a large amount of wind is generated when the blade rotates rapidly, the wind can be diverted through the through-hole pipe to reduce the noise generated when the wind is discharged uniformly.

[0015] 3. Secondly, supported by the sleeve and the plug, the blades can slide stably within the inner groove and rotate. Simultaneously, the plug can be rotated clockwise from the outer groove, allowing it to gradually enter the sleeve during rotation. This pulls the corresponding blade as the plug moves, causing it to move together with the inner slider. This allows for adjustment of the distance between adjacent blades, enabling control of blade rotation speed and airflow gap, thus effectively reducing wind noise. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the cross-sectional structure of the blade, outer hub, and inner hub of the present invention.

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the inner wall of the blade of the present invention.

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the outer wall of the blade of the present invention.

[0020] Figure 4 This is a three-dimensional structural diagram of the outer hub and inner hub of the present invention.

[0021] Figure 5 For the present invention Figure 1 Enlarged structural diagram at point A in the middle.

[0022] Figure 6 This is a schematic diagram of the planar structure of the inner wall of the blade of the present invention.

[0023] Figure 1-6 In the diagram, the correspondence between the component names and the attached drawing numbers is as follows: outer hub-1, outer slide groove-11, inner hub-12, inner slide groove-13, blade-2, inner slider-21, through-hole pipe-22, flow channel-23, circulation channel-24, wear-resistant pad-25, movable blade-26, sleeve post-3, plug post-4. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Example:

[0026] As attached Figure 1 To be continued Figure 6As shown: An impeller for an electromagnetic air pump includes an outer hub 1, an inner hub 12 fixedly disposed at the middle of the inner side of the outer hub 1, and an outer sliding groove 11 disposed on the inner wall of the outer hub 1. An inner sliding groove 13 disposed at the middle of the outer wall of the inner hub 12, and an inner slider 21 slidably disposed in the inner sliding groove 13. Blades 2 are fixedly disposed at the end of the inner slider 21 away from the inner hub 12. Flow grooves 23 are uniformly disposed on the inner side of the blades 2. Circulation grooves 24 are disposed on the inner wall of the flow grooves 23. Through-hole pipes 22 are uniformly disposed through the middle of the inner side of the blades 2. Movable blades 26 are uniformly disposed on the outer wall of the blades 2. A sleeve post 3 is fixedly disposed on one end of the blades 2 between adjacent ends inside the outer sliding groove 11, and a plug-in post 4 is disposed through the end of the sleeve post 3 away from the blades 2.

[0027] The outer hub 1 has an opening in the middle, and the size of the opening is the same as that of the outer slide groove 11. The width of the outer slide groove 11 is greater than the thickness of the blade 2. The width of the inner slide groove 13 is the same as the length of the inner slide block 21. The opening of the outer hub 1 is designed to make it easier to manually adjust the sleeve post 3 and the plug post 4 in the outer slide groove 11.

[0028] The blade 2 also includes a wear-resistant pad 25. The wear-resistant pad 25 is fixedly installed on both the inner and outer walls of the blade 2. The blades 2 are all semi-circular arc-shaped and of the same size. The wear-resistant pad 25 protects the inner and outer walls of the blade 2 when the outer wall collides with it, and also protects the blades 2 from collisions. The shape of the blade 2 is designed to be more effective when working in an electromagnetic air pump.

[0029] The flow channels 23 are all semi-circular arc-shaped and correspond to the shape of the blades 2. The upper and lower ends of the flow channels 23 are through the blades 2. The circulation channels 24 on the two inner walls of the flow channels 23 are also semi-circular arc-shaped and correspond to the shape of the flow channels 23. The circulation channels 24 are all composed of multiple right-angled circulation channels. The flow channels 23 are designed to reduce the wind speed and noise generated when the blades 2 rotate. The circulation channels 24 further facilitate the slow flow and discharge of wind noise, thereby effectively reducing noise.

[0030] The other end of each plug post 4 is rotatably connected to the adjacent blade 2, and the outer wall of each plug post 4 is threaded. The inner wall of each sleeve post 3 is threaded in accordance with the outer wall of the plug post 4. A sleeve post 3 and a plug post 4 with the other end of each sleeve post 3 are fixedly connected between each pair of adjacent blades 2. The threads of the plug post 4 and the sleeve post 3 correspond so that when the plug post 4 is rotated in different directions, it can pull the corresponding blade 2 to move away from or closer to the adjacent blade 2. This achieves the effect of conveniently adjusting the distance between the blades 2, so that the blades 2 can be better adjusted according to the needs during operation to achieve effective operation.

[0031] The length of the movable plate 26 is the same as the width of the blade 2, and the shape and size of the movable plate 26 are the same. The movable plates 26 are arranged at intervals between the through-hole pipes 22. The purpose of the movable plates 26 is to further reduce the wind noise on the outer wall of the blade 2, so that the blade 2 can reduce the wind noise on both the inner and outer walls at the same time, thereby reducing the noise emitted by the blade 2 when it is working.

[0032] Working principle: First, the insertion post 4 can be rotated clockwise from the outer slide groove 11, causing it to gradually enter the sleeve post 3. This pulls the corresponding blade 2 as the insertion post 4 moves, causing it to move together with the inner slider 21. Simultaneously, the insertion post 4 can be rotated counterclockwise to push the corresponding blades 2 away from each other, thus adjusting the distance between adjacent blades 2. This allows for control of the blade rotation speed and the gap during air discharge, effectively reducing wind noise. Furthermore, the rotation of the blades 2 can divert the airflow into the... The airflow is diverted and discharged within the co-flow trough 23. Simultaneously, the airflow enters the circulation troughs 24 on both inner walls, allowing it to be slowly discharged within the co-flow trough 23 under the action of the circulation troughs 24. The movable plate on the outer wall of the blade 2 reduces the airflow speed both inside and outside when the blade 2 rotates, allowing the airflow to be discharged slowly. At the same time, the through-hole pipe 22 can divert and discharge a large amount of air when the blade 2 rotates rapidly, reducing the noise generated when the airflow is discharged uniformly, thus reducing the noise of the airflow and achieving the effect of reducing wind noise.

Claims

1. An impeller for an electromagnetic air pump comprising an outer hub (1), characterized in that: The inner end of the inner wall of the outer wheel hub (1) is provided with an outer sliding groove (11), the outer wall of the inner end of the inner wheel hub (12) is provided with an inner sliding groove (13), and the inner sliding groove (13) is slidably provided with an inner sliding block (21), one end of the inner sliding block (21) away from the inner wheel hub (12) is fixedly provided with a blade (2), and the inner side of the blade (2) is uniformly provided with a straight flow groove (23), which extends from the radial inner end of the blade (2) to the radial outer end of the blade (2), the inner wall of the straight flow groove (23) is provided with a circulating groove (24), the wind entering the straight flow groove (23) enters the circulating groove (24) at the same time, so that it is slowly discharged in the straight flow groove (23) under the action of the circulating groove (24), and the inner side of the blade (2) is uniformly provided with a through hole pipe (22), the outer wall of the blade (2) is movably provided with a movable blade (26), the inner wall of the outer sliding groove (11) is provided with a sleeve column (3) and a plug-in column (4) between the two adjacent blades (2), one end of the blade (2) is fixedly provided with a sleeve column (3), and the other end of the sleeve column (3) away from the blade (2) is provided with a plug-in column (4). The other end of the plug-in column (4) is rotatably provided in the other end blade of the two adjacent blades (2), and the outer wall of the plug-in column (4) is provided with threads, the inner wall of the sleeve column (3) is provided with threads corresponding to the outer wall of the plug-in column (4), and the sleeve column (3) and the plug-in column (4) are provided between every two adjacent blades (2).

2. The impeller for an electromagnetic air pump according to claim 1, characterized by: The middle part of the outer wheel hub (1) is provided with an opening, which makes it more convenient to adjust the sleeve column (3) and the plug-in column (4) in the outer sliding groove (11), and the width of the inner sliding groove (13) is consistent with the length of the inner sliding block (21).

3. The impeller for an electromagnetic air pump according to claim 1, characterized by: The inner wall and the outer wall of the blade (2) are fixedly provided with wear-resistant pads (25), and the blades (2) are semicircular in shape, and the sizes of the blades (2) are consistent.

4. The impeller for an electromagnetic air pump according to claim 3, characterized by: The straight flow grooves (23) are semicircular in shape and correspond to the shape of the blades (2), and the circulating grooves (24) provided on the two inner walls of the straight flow grooves (23) are composed of multiple circulating right angles.

5. The impeller for an electromagnetic air pump according to claim 1, characterized by: The length of the movable blade (26) is consistent with the width of the blade (2), the shapes and sizes of the movable blades (26) are consistent, and the movable blades (26) are respectively arranged at intervals between the through hole pipes (22).

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