CN210729367U

CN210729367U - Submersible mixer

Info

Publication number: CN210729367U
Application number: CN201921062529.0U
Authority: CN
Inventors: 王俊
Original assignee: NANJING LANSAI ENVIRONMENTAL PROTECTION EQUIPMENTCO Ltd
Current assignee: NANJING LANSAI ENVIRONMENTAL PROTECTION EQUIPMENTCO Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-06-12
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a dive mixer, including stand, roof, pulley, regulating plate, driving motor, spliced pole, casing, dive motor and kuppe, its characterized in that: the stand bottom be provided with the mounting panel, the roof setting on the stand top, the pulley on be provided with the connecting axle, the regulating plate on be provided with bearing, rings, driving motor install on the regulating plate back, the spliced pole vertical bearing of passing, the casing top be provided with the connecting plate, submersible motor install in the casing, the kuppe in be provided with the installation piece. The utility model discloses it is rotatory to drive gear drive driven gear, and driven gear drives the spliced pole at the bearing internal rotation, makes the spliced pole bottom drive the casing rotation through the round pin hub connection board to can realize that the impeller on dive motor, kuppe and the kuppe is rotatory, and then improve the impeller and to the stirring efficiency of sewage, improve the stirring quality of sewage.

Description

Submersible mixer

Technical Field

The utility model relates to a sewage treatment technical field specifically is a submersible mixer.

Background

The submersible mixer is a key device in a sewage treatment process regulating reservoir, can realize the process requirements of homogenization and flow of solid-liquid two-phase flow in the biochemical process of sewage in the regulating reservoir, is suitable for the occasions of solid-liquid mixing, prevents suspended solids from precipitating and layering through the stirring of the submersible mixer, has high safety and stable operation, and can freely adjust the stirring angle to stir the suspended solids in all directions in a water tank. The existing submersible mixer has the problems of smaller impeller driving force, low mixing efficiency and poor sealing property of the mixer.

Disclosure of Invention

The utility model aims at providing a dive mixer that structural design is reasonable, impeller drive power is big, stirring is efficient, the mixer leakproofness is good to the impeller drive power that current dive mixer exists less, stirring efficiency is not high, the not good problem of mixer leakproofness.

The utility model provides a technical scheme that technical problem taken does:

the utility model provides a dive mixer, includes stand, roof, pulley, regulating plate, driving motor, spliced pole, casing, dive motor and kuppe, its characterized in that: the bottom of the upright post is provided with a mounting plate, the upright post is connected with the mounting plate through a welding machine, the connecting strength between the upright post and the connecting plate is enhanced, the mounting plate is mounted at the bottom of a sewage pool to be treated, the top end of the upright post penetrates out of sewage to provide a space for the up-and-down movement of the submersible mixer, the top plate is arranged at the top end of the upright post, a fixed block is arranged on the top plate, the top plate is connected with the upright post and the fixed block through welding to enhance the connecting strength between the top plate and the upright post as well as between the top plate and the fixed block, the stability of the submersible mixer in the up-and-down process is improved, the pulley is provided with a connecting shaft and is mounted on the fixed block through the connecting shaft, the adjusting plate is provided with a bearing and a lifting ring, the other end of, the traction equipment tightens or loosens the lifting rope to enable one end of the lifting rope to pull the lifting ring to ascend or descend so as to drive the adjusting plate to ascend or descend and drive the connecting column and the shell at the bottom of the connecting column, the flow guide cover and the impeller to ascend or descend, so that the impeller can stir and treat sewage with different heights in the working process, the working efficiency of the submersible mixer is improved, the stirring effect of the sewage is enhanced, the driving motor is installed on the back of the adjusting plate, the driving gear is arranged on the driving motor, the driving motor is fixed on the adjusting plate through the bolt, the installation efficiency of the driving motor and the stability after installation are improved, the stability of the driving motor in the working process can also be improved, the connecting column vertically penetrates through the bearing, the driven gear is arranged at the top end of the connecting column, the connecting groove is formed in the bottom, the connecting plate is inserted into the connecting groove and connected with the connecting column through the pin shaft, the shell is connected with the connecting plate through welding, the connecting strength between the shell and the connecting plate is improved, the stability of the shell on the connecting column through the connecting plate and the pin shaft is improved, the submersible motor is arranged in the shell, a lead and a transmission shaft are arranged on the submersible motor and penetrates out of one side of the shell, the submersible motor is arranged in the shell through bolts, the stability of the submersible motor in the shell and the stability of the submersible motor in the working process are improved, the guide cover is internally provided with an installation block, the outer surface of the guide cover is provided with an impeller, the installation block is arranged on the transmission shaft, the guide cover is connected with the impeller through welding, the connecting strength between the guide cover and the impeller is enhanced, the force of the impeller in the sewage stirring process is improved, and the sewage stirring efficiency and, in the dive mixer course of operation, the regulating plate rises or descends under the effect of lifting rope, drive the casing of spliced pole and spliced pole bottom, the kuppe, the impeller rises or descends, driving motor drives drive gear rotatory, drive gear drives driven gear rotatory, driven gear drives the spliced pole at the bearing internal rotation, it is rotatory to make the spliced pole bottom drive the casing through the round pin hub connection board, thereby can realize the dive motor, the impeller rotation on kuppe and the kuppe, the dive motor, the kuppe, the impeller gets into in the sewage, carry out equidirectional, the stirring of co-altitude is handled sewage, the stirring efficiency and the stirring effect of sewage have been improved, driving motor does not get into in the sewage, the security has been improved.

As preferred, the regulating plate on be provided with the spacing ring, and with the vertical spacing ring that passes of stand, the lifting rope other end on the rings is connected with outside pulling equipment, pulling equipment tightens up or relaxs the lifting rope, make the one end pulling rings of lifting rope rise or descend, thereby drive the regulating plate and rise or descend, drive the casing of spliced pole and spliced pole bottom, the kuppe, the impeller rises or descends, make the impeller in the working process can stir the processing to the sewage of co-altitude not, improve submersible mixer's work efficiency, strengthen the stirring effect of sewage, through the spacing ring, make the regulating plate of reciprocating the in-process can reciprocate along the stand, avoid reciprocating the regulating plate of in-process to take place transversely to rock, thereby improve submersible motor's stability in the working process, further improve the stirring effect of sewage.

Preferably, the driving gear on the driving motor is connected with the driven gear, the driving gear is driven to rotate in the working process of the driving motor, the driving gear drives the driven gear to rotate, the driven gear drives the connecting column to rotate in the bearing, and the bottom end of the connecting column drives the shell to rotate through the pin shaft connecting plate, so that the submersible motor, the flow guide cover and the impeller on the flow guide cover can rotate, the stirring efficiency of the impeller on sewage is improved, and the stirring quality of the sewage is improved.

As preferred, the wire on the submersible motor pass the casing to be provided with sealed piece in the junction of wire and casing, can provide the power for the submersible motor who gets into the aquatic through the wire, can avoid getting into the casing of aquatic through sealed piece and take place the condition of leaking, improved submersible mixer's security, the life of extension submersible mixer sets up sealed piece into polymer rubber material, has improved the leakproofness between wire and the casing, thereby improves submersible mixer's leakproofness.

Preferably, a sealing ring is arranged between the air guide sleeve and the shell, an installation block on the air guide sleeve is connected with the transmission shaft through threads, the installation efficiency of the air guide sleeve on the transmission shaft and the stability of the air guide sleeve after installation can be improved, the submersible motor drives the transmission shaft to rotate, the transmission shaft drives the air guide sleeve and an impeller on the air guide sleeve to rotate through the installation block, the impeller stirs sewage, the outer surface of the air guide sleeve is provided with an arc-shaped structure, the resistance of the sewage in the stirring process is reduced, the driving force of the impeller is enhanced, the stirring efficiency and the stirring quality of the sewage are improved, the sewage is prevented from flowing into the shell through the space between the air guide sleeve and the shell through the sealing ring between the air guide sleeve and the shell, the sealing performance between the air guide sleeve and the shell is improved, the sealing performance of the submersible stirrer is improved, the service life, the sealing effect of the submersible mixer is enhanced.

Has the advantages that: the utility model discloses be provided with the spacing ring on the regulating plate, and with the vertical spacing ring that passes of stand, the lifting rope other end on the rings is connected with outside pulling equipment, pulling equipment tightens up or relaxs the lifting rope, the one end pulling rings that make the lifting rope rise or descend, thereby it rises or descends to drive the regulating plate, drive the casing of spliced pole and spliced pole bottom, the kuppe, the impeller rises or descends, make the impeller in the working process can stir the processing to the sewage of co-altitude, improve submersible mixer's work efficiency, strengthen the stirring effect of sewage, through the spacing ring, make the regulating plate that reciprocates the in-process can reciprocate along the stand, avoid reciprocating the regulating plate of in-process to take place transversely to rock, thereby improve submersible motor's stability in the course of the work, further improve the stirring effect of sewage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the upright post and the adjusting plate.

Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the connection column and the housing.

Fig. 4 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the submersible motor and the air guide sleeve.

Fig. 5 is a schematic diagram of another embodiment of the present invention.

Fig. 6 is a schematic partial structural view of fig. 5 illustrating a connection structure of the housing and the sealing plate according to the present invention.

In the figure: 1. the novel high-speed submersible pump comprises a column, 2 parts of a top plate, 3 parts of a pulley, 4 parts of an adjusting plate, 5 parts of a driving motor, 6 parts of a connecting column, 7 parts of a shell, 8 parts of a submersible motor, 9 parts of a flow guide cover, 10 parts of a mounting plate, 11 parts of a fixing block, 12 parts of a connecting shaft, 13 parts of a limiting ring, 14 parts of a bearing, 15 parts of a lifting ring, 16 parts of a lifting rope, 17 parts of a driving gear, 18 parts of a driven gear, 19 parts of a connecting groove, 20 parts of a connecting plate, 21 parts of a pin shaft, 22 parts of a lead, 23 parts of a transmission shaft, 24 parts of a sealing block, 25 parts of a.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1-4: the utility model provides a dive mixer, includes stand 1, roof 2, pulley 3, regulating plate 4, driving motor 5, spliced pole 6, casing 7, dive motor 8 and kuppe 9, its characterized in that: the bottom of the upright post 1 is provided with a mounting plate 10, the upright post 1 is connected with the mounting plate 10 through a welding machine, the connecting strength between the upright post 1 and a connecting plate 20 is enhanced, the mounting plate 10 is mounted at the bottom of a sewage pool to be treated, the top end of the upright post 1 penetrates out of sewage, a space can be provided for the up-and-down movement of the submersible mixer, the top plate 2 is arranged at the top end of the upright post 1, a fixed block 11 is arranged on the top plate 2, the top plate 2 is connected with the upright post 1 and the fixed block 11 through welding, the connecting strength between the top plate 2 and the upright post 1 as well as the fixed block 11 is enhanced, the stability of the submersible mixer in the up-and-down process is improved, the pulley 3 is provided with a connecting shaft 12, the pulley 3 is mounted on the fixed block 11 through the connecting shaft 12, the adjusting plate 4 is provided with a bearing 14 and, the other end of a lifting rope 16 on a lifting ring 15 is connected with external traction equipment, the traction equipment tightens or loosens the lifting rope 16, one end of the lifting rope 16 pulls the lifting ring 15 to ascend or descend, so as to drive an adjusting plate 4 to ascend or descend, and drive a connecting column 6 and a shell 7, a flow guide cover 9 and an impeller 26 at the bottom of the connecting column 6 to ascend or descend, so that the impeller 26 can stir and treat sewage with different heights in the working process, the working efficiency of the submersible mixer is improved, the stirring effect of the sewage is enhanced, a driving motor 5 is arranged on the back of the adjusting plate 4, a driving gear 17 is arranged on the driving motor 5, the driving motor 5 is fixed on the adjusting plate 4 through bolts, the mounting efficiency and the mounted stability of the driving motor 5 are improved, the stability of the driving motor 5 in the working process can also be improved, the connecting column 6 vertically penetrates through a bearing, a driven gear 18 is arranged at the top end of the connecting column 6, a connecting groove 19 is arranged at the bottom end of the connecting column 6, a connecting plate 20 is arranged at the top of the shell 7, the connecting plate 20 is inserted into the connecting groove 19, the connecting plate 20 is connected with the connecting column 6 through a pin 21, the shell 7 is connected with the connecting plate 20 through welding, the connecting strength between the shell 7 and the connecting plate 20 is improved, the stability of the shell 7 on the connecting column 6 through the connecting plate 20 and the pin 21 is improved, the submersible motor 8 is arranged in the shell 7, a lead 22 and a transmission shaft 23 are arranged on the submersible motor 8, the transmission shaft 23 penetrates out of one side of the shell 7, the submersible motor 8 is arranged in the shell 7 through bolts, the stability of the submersible motor 8 in the shell 7 and the stability of the submersible motor 8 in the working process are improved, and an installation, an impeller 26 is arranged on the outer surface of the flow guide cover 9, the mounting block 25 is mounted on the transmission shaft 23, the flow guide cover 9 is connected with the impeller 26 through welding, the connection strength between the flow guide cover 9 and the impeller 26 is enhanced, the force of the impeller 26 in the sewage stirring process is improved, and therefore the sewage stirring efficiency and the stirring quality are improved, in the working process of the submersible stirrer, the adjusting plate 4 rises or falls under the action of the lifting rope 16 to drive the connecting column 6 and the shell 7 at the bottom of the connecting column 6, the flow guide cover 9 and the impeller 26 to rise or fall, the driving motor 5 drives the driving gear 17 to rotate, the driving gear 17 drives the driven gear 18 to rotate, the driven gear 18 drives the connecting column 6 to rotate in the bearing 14, the bottom end of the connecting column 6 drives the shell 7 to rotate through the connecting plate 20 through the pin shaft 21, and therefore the submersible motor 8, the flow, submersible motor 8, kuppe 9, impeller 26 get into in the sewage, carry out not equidirectional, not co-altitude stirring to sewage and handle, have improved the stirring efficiency and the stirring effect of sewage, and driving motor 5 does not get into in the sewage, has improved the security.

Preferably, the adjusting plate 4 is provided with a limit ring 13, the upright post 1 vertically penetrates through the limit ring 13, the other end of a lifting rope 16 on the lifting ring 15 is connected with external traction equipment, the traction equipment tightens or loosens the lifting rope 16, so that one end of the lifting rope 16 pulls the lifting ring 15 to ascend or descend, the adjusting plate 4 is driven to ascend or descend, the connecting post 6 and the shell 7, the flow guide cover 9 and the impeller 26 at the bottom of the connecting post 6 are driven to ascend or descend, the impeller 26 can stir sewage with different heights in the working process, the working efficiency of the submersible mixer is improved, the stirring effect of the sewage is enhanced, the adjusting plate 4 in the up-and-down moving process can move up and down along the upright post 1 through the limit ring 13, the adjusting plate 4 in the up-and-down moving process is prevented from transversely shaking, and the stability of the submersible motor, further improving the stirring effect of the sewage.

Preferably, the driving gear 17 on the driving motor 5 is connected with the driven gear 18, the driving gear 17 is driven to rotate by the driving motor 5 in the working process, the driving gear 17 drives the driven gear 18 to rotate, the driven gear 18 drives the connecting column 6 to rotate in the bearing 14, and the connecting plate 20 is connected to the bottom end of the connecting column 6 through the pin 21 to drive the shell 7 to rotate, so that the submersible motor 8, the diversion cover 9 and the impeller 26 on the diversion cover 9 can rotate, the sewage stirring efficiency of the impeller 26 is improved, and the sewage stirring quality is improved.

Preferably, the wire 22 on the submersible motor 8 passes through the casing 7, and a sealing block 24 is arranged at the joint of the wire 22 and the casing 7, the submersible motor 8 entering water can be powered through the wire 22, the case 7 entering water can be prevented from leaking through the sealing block 24, the safety of the submersible mixer is improved, the service life of the submersible mixer is prolonged, the sealing block 24 is made of high polymer rubber materials, the sealing performance between the wire 22 and the casing 7 is improved, and the sealing performance of the submersible mixer is improved.

Preferably, a sealing ring 27 is arranged between the air guide sleeve 9 and the shell 7, an installation block 25 on the air guide sleeve 9 is connected with the transmission shaft 23 through threads, so that the installation efficiency of the air guide sleeve 9 on the transmission shaft 23 and the stability of the air guide sleeve 9 after installation can be improved, the submersible motor 8 drives the transmission shaft 23 to rotate, the transmission shaft 23 drives the air guide sleeve 9 and an impeller 26 on the air guide sleeve 9 to rotate through the installation block 25, so that the impeller 26 stirs sewage, the outer surface of the air guide sleeve 9 is provided with an arc-shaped structure, the resistance of the sewage in the stirring process is reduced, the driving force of the impeller 26 is enhanced, the stirring efficiency and the stirring quality of the sewage are improved, the sewage is prevented from flowing into the shell 7 through the space between the air guide sleeve 9 and the shell 7 through the sealing ring 27 between the air guide sleeve 9 and the shell 7, the sealing performance between the air guide sleeve 9 and the shell, the service life of the submersible mixer is prolonged, and the sealing ring 27 is made of rubber materials, so that the sealing effect of the submersible mixer is enhanced.

Example two:

as shown in figures 5-6: the utility model provides a dive mixer, includes stand 1, roof 2, pulley 3, regulating plate 4, driving motor 5, spliced pole 6, casing 7, dive motor 8 and kuppe 9, its characterized in that: the bottom of the upright post 1 is provided with a mounting plate 10, the upright post 1 is connected with the mounting plate 10 through a welding machine, the connecting strength between the upright post 1 and a connecting plate 20 is enhanced, the mounting plate 10 is mounted at the bottom of a sewage pool to be treated, the top end of the upright post 1 penetrates out of sewage, a space can be provided for the up-and-down movement of the submersible mixer, the top plate 2 is arranged at the top end of the upright post 1, a fixed block 11 is arranged on the top plate 2, the top plate 2 is connected with the upright post 1 and the fixed block 11 through welding, the connecting strength between the top plate 2 and the upright post 1 as well as the fixed block 11 is enhanced, the stability of the submersible mixer in the up-and-down process is improved, the pulley 3 is provided with a connecting shaft 12, the pulley 3 is mounted on the fixed block 11 through the connecting shaft 12, the adjusting plate 4 is provided with a bearing 14 and, the other end of a lifting rope 16 on a lifting ring 15 is connected with external traction equipment, the traction equipment tightens or loosens the lifting rope 16, one end of the lifting rope 16 pulls the lifting ring 15 to ascend or descend, so as to drive an adjusting plate 4 to ascend or descend, and drive a connecting column 6 and a shell 7, a flow guide cover 9 and an impeller 26 at the bottom of the connecting column 6 to ascend or descend, so that the impeller 26 can stir and treat sewage with different heights in the working process, the working efficiency of the submersible mixer is improved, the stirring effect of the sewage is enhanced, a driving motor 5 is arranged on the back of the adjusting plate 4, a driving gear 17 is arranged on the driving motor 5, the driving motor 5 is fixed on the adjusting plate 4 through bolts, the mounting efficiency and the mounted stability of the driving motor 5 are improved, the stability of the driving motor 5 in the working process can also be improved, the connecting column 6 vertically penetrates through a bearing, a driven gear 18 is arranged at the top end of the connecting column 6, a connecting groove 19 is arranged at the bottom end of the connecting column 6, a connecting plate 20 is arranged at the top of the shell 7, the connecting plate 20 is inserted into the connecting groove 19, the connecting plate 20 is connected with the connecting column 6 through a pin 21, the shell 7 is connected with the connecting plate 20 through welding, the connecting strength between the shell 7 and the connecting plate 20 is improved, the stability of the shell 7 on the connecting column 6 through the connecting plate 20 and the pin 21 is improved, the submersible motor 8 is arranged in the shell 7, a lead 22 and a transmission shaft 23 are arranged on the submersible motor 8, the transmission shaft 23 penetrates out of one side of the shell 7, the submersible motor 8 is arranged in the shell 7 through bolts, the stability of the submersible motor 8 in the shell 7 and the stability of the submersible motor 8 in the working process are improved, and an installation, an impeller 26 is arranged on the outer surface of the flow guide cover 9, the mounting block 25 is mounted on the transmission shaft 23, the flow guide cover 9 is connected with the impeller 26 through welding, the connection strength between the flow guide cover 9 and the impeller 26 is enhanced, the force of the impeller 26 in the sewage stirring process is improved, and therefore the sewage stirring efficiency and the stirring quality are improved, in the working process of the submersible stirrer, the adjusting plate 4 rises or falls under the action of the lifting rope 16 to drive the connecting column 6 and the shell 7 at the bottom of the connecting column 6, the flow guide cover 9 and the impeller 26 to rise or fall, the driving motor 5 drives the driving gear 17 to rotate, the driving gear 17 drives the driven gear 18 to rotate, the driven gear 18 drives the connecting column 6 to rotate in the bearing 14, the bottom end of the connecting column 6 drives the shell 7 to rotate through the connecting plate 20 through the pin shaft 21, and therefore the submersible motor 8, the flow, submersible motor 8, kuppe 9, impeller 26 get into in the sewage, carry out not equidirectional, not co-altitude stirring to sewage and handle, have improved the stirring efficiency and the stirring effect of sewage, and driving motor 5 does not get into in the sewage, has improved the security.

Preferably, a sealing plate 28 is arranged in the air guide sleeve 9, a sealing ring 27 is arranged between the sealing plate 28 and the shell 7, a sealing ring 29 is arranged between the sealing plate 28 and the transmission shaft 23, the sealing performance between the sealing plate 28 and the shell 7 is enhanced through the sealing ring 27, a plurality of layers of sealing protection are provided between the air guide sleeve 9 and the shell 7, the sealing performance between the air guide sleeve 9 and the shell 7 is enhanced, the sealing performance between the sealing plate 28 and the transmission shaft 23 is improved through the sealing ring 29, the sealing performance between the air guide sleeve 9 and the shell 7 is further improved, the sealing performance of the submersible mixer is enhanced, the sealing ring 29 is made of silicon carbide materials, the sealing effect of the submersible mixer is enhanced, and the service life of the submersible mixer is prolonged.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. The utility model provides a dive mixer, includes stand, roof, pulley, regulating plate, driving motor, spliced pole, casing, dive motor and kuppe, its characterized in that: the bottom of the upright post is provided with a mounting plate, the top plate is arranged at the top end of the upright post, a fixed block is arranged on the top plate, a connecting shaft is arranged on the pulley, the pulley is arranged on the fixed block through the connecting shaft, the adjusting plate is provided with a bearing and a lifting ring, a lifting rope is arranged on the lifting ring, the other end of the lifting rope passes through the pulley, the driving motor is arranged on the back surface of the adjusting plate, a driving gear is arranged on the driving motor, the connecting post vertically passes through the bearing, a driven gear is arranged at the top end of the connecting post, a connecting groove is formed in the bottom end of the connecting post, a connecting plate is arranged at the top of the shell, the connecting plate is inserted into the connecting groove and is connected with the connecting post through a pin shaft, the submersible motor is arranged in the shell, a lead and, the air guide sleeve is internally provided with an installation block, the outer surface of the air guide sleeve is provided with an impeller, and the installation block is installed on the transmission shaft.

2. A submersible mixer as recited in claim 1, wherein: the adjusting plate is provided with a limiting ring, and the upright post vertically penetrates through the limiting ring.

3. A submersible mixer as recited in claim 1, wherein: and the driving gear on the driving motor is connected with the driven gear.

4. A submersible mixer as recited in claim 1, wherein: the lead on the submersible motor passes through the shell, and a sealing block is arranged at the joint of the lead and the shell.

5. A submersible mixer as recited in claim 1, wherein: and a sealing ring is arranged between the air guide sleeve and the shell.