CN212278035U - Dry-wet dual-purpose direct current motor mechanism - Google Patents

Dry-wet dual-purpose direct current motor mechanism Download PDF

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Publication number
CN212278035U
CN212278035U CN202021151470.5U CN202021151470U CN212278035U CN 212278035 U CN212278035 U CN 212278035U CN 202021151470 U CN202021151470 U CN 202021151470U CN 212278035 U CN212278035 U CN 212278035U
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motor
air
cooling air
diffuser
cover
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Withdrawn - After Issue
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CN202021151470.5U
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Chinese (zh)
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张罗欢
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Ningbo Dechang Electric Co ltd
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Ningbo Dechang Electric Co ltd
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Abstract

The utility model discloses a wet or dry direct current motor mechanism. It includes motor flabellum, air diffuser, motor main part and motor air flue, the front end of motor main part is installed in the air diffuser, the motor flabellum arrange the front end of air diffuser in and be connected with the motor main part, the motor air flue install the rear end at the air diffuser, the rear end of motor main part is installed on the motor air flue, the air diffuser in be equipped with cooling air duct, the motor air flue on be equipped with cooling air flue and work gas pocket, the air diffuser pass through cooling air duct and motor flabellum intercommunication, the air diffuser pass through cooling air duct and the cooling air flue intercommunication on the motor air flue. The utility model has the advantages that: realize motor body's secondary heat dissipation, improved motor body's radiating effect, motor body can not receive the influence of wet environment, and sealed effectual, fail safe nature is high, and firm degree is high, and the wind speed is even, dismantles simple to operate, and the location reliability is high.

Description

Dry-wet dual-purpose direct current motor mechanism
Technical Field
The utility model belongs to the technical field of the relevant technique of motor and specifically relates to indicate a wet dual-purpose DC motor mechanism futilely.
Background
The dust collector motor is the heart of dust collector, and the main kind of dust collector motor has: a dry suction dust collector motor and a dry and wet dust collector motor. The motor of the dust collector comprises two parts: the motor part and the fan part are mainly series motors, also called series motors, because the dust collector motor has high requirement on the rotating speed, generally 20000 plus 30000 r/m.
The series motor is mainly composed of a stator, a rotor, front and rear end covers (covers) and heat dissipation fan blades. The stator consists of a stator iron core and a winding sleeved on a pole shoe, and has the functions of generating excitation magnetic flux, conducting magnetism and supporting a front cover and a rear cover; the rotor consists of a rotor iron core, a shaft, an armature winding and a commutator, and has the function of ensuring and generating continuous electromagnetic torque, driving a load to do work through the rotating shaft, and converting electric energy into mechanical energy; the front and rear covers support the armature and connect and fix the stator and rotor as a whole. The rotating shaft, the front cover and the rear cover have enough strength to prevent the armature and the covers from generating resonance phenomenon to cause vibration and danger. Rolling or sliding bearings are typically provided in the front and rear shrouds.
The existing dry and wet dual-purpose dust collector motor is usually designed with two fans for heat dissipation operation, so that the power loss of the motor is increased, and the design of a single fan does not design an air channel on the motor to cause poor heat dissipation effect when the dry and wet dual-purpose dust collector motor is used.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dry and wet dual-purpose direct current motor mechanism with good heat dissipation effect, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a do dual-purpose DC motor mechanism of wet, includes motor flabellum, air diffuser, motor body and motor air flue, motor body's front end is installed in the air diffuser, motor flabellum arrange the front end of air diffuser in and with motor body coupling, the motor air flue install the rear end at the air diffuser, motor body's rear end is installed on the motor air flue, the air diffuser in be equipped with cooling air duct, the motor air flue on be equipped with cooling air flue and work gas pocket, the air diffuser pass through cooling air duct and motor flabellum intercommunication, the air diffuser pass through cooling air duct and the cooling air flue intercommunication on the motor air flue.
When the air suction type air diffuser is used, the fan blades of the motor perform air suction operation, and at the moment, sucked air reaches the air passage of the motor through the cooling air passage on the air diffuser and is discharged through the cooling air passage on the air passage of the motor; and the motor body receives the effect of the work gas pocket on the motor air flue and dispels the heat, and because the cooling duct is arranged in the air diffuser, the heat of motor body can distribute in the air diffuser, so when the wind in the cooling duct flows, can also take away the heat that the motor body produced in the air diffuser, so realize the secondary heat dissipation of motor body, so the design has improved the radiating effect of motor body greatly.
Preferably, the diffuser comprises a diffusing end cover, a diffusing middle piece and a diffusing tail cover, a shaft hole is formed in the middle of the diffusing end cover, a motor blade is arranged on one end face of the diffusing end cover, a motor base is arranged on the other end face of the diffusing end cover, a motor shaft is arranged on the motor body, the motor body is arranged on the motor base, the motor shaft of the motor body penetrates through the shaft hole to be connected with the motor blade, O-shaped sealing rings are arranged between the diffusing end cover and the diffusing middle piece and between the diffusing middle piece and the diffusing tail cover, a cooling air sealing pad is arranged on the diffusing tail cover and is arranged between the diffusing tail cover and a motor air passage, and the diffusing end cover, the diffusing middle piece, the diffusing tail cover and the cooling air sealing pad are fixed together through self-tapping screws. Through the design of the O-shaped sealing ring, the sealing effect of the air diffuser can be ensured, so that the motor body cannot be influenced by a wet environment; through the design of cooling air sealing pad, realized the sealing connection between motor air flue and the air diffuser, can let thorough isolated the opening of cooling air duct and motor body to ensure motor body's fail safe nature.
Preferably, the diffuser end cover is provided with a first annular cooling air grid arranged at the outer edge of the diffuser end cover, the diffuser middle piece is annular, a second cooling air grid matched with the first cooling air grid is arranged between the inner ring and the outer ring of the diffuser middle piece, the diffuser tail cover is provided with a third cooling air grid matched with the second cooling air grid at the outer edge of the diffuser tail cover, and the cooling air duct is composed of the first cooling air grid, the second cooling air grid and the third cooling air grid. Through the design, on one hand, the firmness degree of the air diffuser can be ensured, and on the other hand, the uniform air flow speed in the cooling air duct can be ensured.
Preferably, a plurality of first fixing seats are uniformly distributed on an inner ring of the medium diffusion piece, the O-shaped sealing ring is arranged on the inner ring of the medium diffusion piece, a second fixing seat matched with the first fixing seat is arranged on the end cover of the diffusion piece, a third fixing seat matched with the first fixing seat is arranged on the tail cover of the diffusion piece, a boss matched with the cooling air sealing pad is arranged on the tail cover of the diffusion piece, motor through holes are formed in the middle of the boss and the middle of the cooling air sealing pad, fixing holes matched with the second fixing seats are formed in the outer side, arranged on the motor through holes, of the cooling air sealing pad, and self-tapping screws are arranged on the first fixing seats, the second fixing seats and the third fixing seats through the fixing holes. Through the design of the O-shaped sealing ring and the first fixing seat, the sealing performance of the air diffuser can be met, and the air diffuser can be conveniently detached and installed; and the design of boss and cooling wind seal pad can make things convenient for the installation location of cooling wind seal pad.
Preferably, the boss and the cooling air sealing gasket are respectively provided with a positioning groove, the motor body penetrates through the motor through hole to be installed on the motor base, the motor shaft is provided with a shaft sealing ring, the shaft sealing ring is installed in the shaft hole, the motor shaft is connected with the motor fan blades, and the motor body is fixedly installed on the airflow end cover through installation screws. The cooling air sealing pad can be conveniently positioned and installed through the design of the positioning groove; through the design of the shaft sealing ring, the sealing performance of the motor body in the radiator is ensured.
As preferred, motor flabellum include flabellum lid, flabellum piece and flabellum dish, the centre of flabellum lid and flabellum piece all is equipped with the ventilation hole, the flabellum piece install in the flabellum lid, the centre of flabellum dish is equipped with the mounting hole, the motor shaft on be equipped with the coupling, the motor shaft pass through the coupling and install on the mounting hole of flabellum dish, the flabellum dish on be equipped with a plurality of evenly distributed's flabellum, the flabellum dish arrange in the flabellum lid and be located between flabellum piece and the end cover that looses. Through the design of the shaft joint, the fan blade disc is convenient to mount and dismount.
Preferably, a plurality of positioning buckles which are uniformly distributed are arranged on the outer side face of the fan blade cover, positioning clamp tongues matched with the positioning buckles are arranged on the outer side face of the diffusing end cover, a first limiting block is arranged on two sides of one positioning clamp tongue, a second limiting block corresponding to the first limiting block is arranged on the outer side face of the diffusing middle part, a third limiting block corresponding to the second limiting block is arranged on the outer side face of the diffusing tail cover, and a fourth limiting block corresponding to the third limiting block is arranged on the outer side face of the motor air passage. Through the design of the positioning buckle and the positioning tongue, the fan blade cover and the flow dispersing end cover are convenient to detach and mount; and the design of the first limiting block, the second limiting block, the third limiting block and the fourth limiting block can conveniently limit the position of the fan blade cover so as to meet the fixed mounting and positioning of the fan blade cover.
Preferably, a cover sealing ring is arranged on the outer side of the fan blade cover. The design of the cover sealing ring enables the motor assembly to be better attached to a dust collector assembly when the motor assembly is installed, and the sealing effect is good.
Preferably, the motor air passage is integrally formed, the motor air passage comprises an air passage base and an air passage side plate, a first mounting seat is arranged on the outer side surface of the air passage base, a second mounting seat matched with the first mounting seat is arranged on the diffusing tail cover, an air passage O-shaped ring is arranged between the air passage base and the diffusing tail cover, a motor sleeve for mounting a motor body is arranged in the middle of the air passage base, the motor sleeve is communicated with the air passage base, the air passage side plate is arranged on the outer side of the motor sleeve, the cooling air passage is arranged inside the air passage side plate, a first cooling air hole is formed in the air passage base, the cooling air passage is communicated with a cooling air passage on the diffuser through the first cooling air hole, a working air hole is formed in the air passage side plate, the air passage side plate is provided with a second cooling air hole, and the second cooling air hole is communicated with the cooling air passage. Through the structural design of the motor air passage, the cooling air passage is completely separated from the working air holes, and the cooling air passage is discharged through the cooling air passage and cannot enter the air diffuser where the motor body is located.
Preferably, the cooling air hole II is provided with a cooling hole sealing gasket, the working air hole is provided with an air hole sealing gasket, the air passage of the motor is provided with an air passage sealing ring, and the air passage sealing ring is arranged on the air passage base. The sealing effect is improved through the design of the cooling hole sealing gasket and the air hole sealing gasket; through the design of air flue sealing washer for this motor element can be better when the installation with the laminating of dust catcher subassembly, sealed effectual.
The utility model has the advantages that: realize motor body's secondary heat dissipation, improved motor body's radiating effect, motor body can not receive the influence of wet environment, and sealed effectual, fail safe nature is high, and firm degree is high, and the wind speed is even, dismantles simple to operate, and the location reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the cooling fan comprises a cover sealing ring, 2, a fan blade cover, 3, a fan blade, 4, a fan blade disc, 5, a shaft joint, 6, a mounting screw, 7, a diffusion end cover, 8, a shaft sealing ring, 9, a motor body, 10, an O-shaped sealing ring, 11, a diffusion middle piece, 12, a diffusion tail cover, 13, a cooling air sealing gasket, 14, a self-tapping screw, 15, an air flue O-shaped ring, 16, a motor air flue, 17, a cooling hole sealing gasket, 18, an air hole sealing gasket, 19, an air flue sealing ring, 20, a positioning buckle, 21, a ventilation hole, 22, a mounting hole, 23, a fan blade, 24, a cooling air grid I, 25, a limiting block I, 26, a positioning clamping tongue, 27, a shaft hole, 28, a motor seat, 29, a cooling air grid II, 30, a fixing seat I, 31, a limiting block II, 32, a cooling air grid III, 33, a mounting seat II, 34, a limiting block III, 35, a boss and 36 positioning, 38. the motor shaft cooling system comprises a first mounting seat, a fourth limiting block, a first air channel base, a motor sleeve, a first cooling air hole, a first cooling air channel 43, a cooling air channel 44, an air channel side plate, a working air hole 45, a fixing hole 46, a third fixing seat 47 and a third fixing seat 48.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1, a dry-wet dual-purpose dc motor mechanism includes a motor blade, a diffuser, a motor body 9 and a motor air passage 16, the front end of the motor body 9 is installed in the diffuser, the motor blade is disposed at the front end of the diffuser and connected to the motor body 9, the motor air passage 16 is installed at the rear end of the diffuser, the rear end of the motor body 9 is installed on the motor air passage 16, a cooling air duct is disposed in the diffuser, the motor air passage 16 is provided with a cooling air passage 43 and a working air hole 45, the diffuser is communicated with the motor blade through the cooling air duct, and the diffuser is communicated with the cooling air passage 43 on the motor air passage 16 through the cooling air duct.
The diffuser comprises a diffusing end cover 7, a diffusing middle piece 11 and a diffusing tail cover 12, a shaft hole 27 is arranged in the middle of the diffusing end cover 7, a motor blade is arranged on one end face of the diffusing end cover 7, a motor base 28 is arranged on the other end face of the diffusing end cover 7, a motor shaft 48 is arranged on the motor body 9, the motor body 9 is arranged on the motor base 28, the motor shaft 48 of the motor body 9 penetrates through the shaft hole 27 to be connected with the motor blade, O-shaped sealing rings 10 are respectively arranged between the diffusing end cover 7 and the diffusing middle piece 11 and between the diffusing middle piece 11 and the diffusing tail cover 12, a cooling air sealing pad 13 is arranged on the diffusing tail cover 12, the cooling air sealing pad 13 is arranged between the diffusing tail cover 12 and a motor air flue 16, and the diffusing end cover 7, the diffusing middle piece 11, the diffusing tail cover 12 and the cooling air sealing pad 13 are fixed together through self-tapping screws 14.
An annular cooling air grid I24 is arranged on the flow dispersing end cover 7 and arranged at the outer edge of the flow dispersing end cover 7, the flow dispersing middle piece 11 is annular in shape, a cooling air grid II 29 matched with the cooling air grid I24 is arranged between the inner ring and the outer ring of the flow dispersing middle piece 11, a cooling air grid III 32 matched with the cooling air grid II 29 is arranged on the flow dispersing tail cover 12 and arranged at the outer edge of the flow dispersing tail cover 12, and the cooling air channel is composed of the cooling air grid I24, the cooling air grid II 29 and the cooling air grid III 32.
A plurality of first fixing seats 30 are uniformly distributed on an inner ring of a medium diffusion piece 11, an O-shaped sealing ring 10 is arranged on the inner ring of the medium diffusion piece 11, a second fixing seat matched with the first fixing seat 30 is arranged on a diffusion end cover 7, a third fixing seat 47 matched with the first fixing seat 30 is arranged on a diffusion tail cover 12, a boss 35 matched with a cooling air sealing pad 13 is arranged on the diffusion tail cover 12, a motor through hole 37 is formed in the middle of the boss 35 and the middle of the cooling air sealing pad 13, a fixing hole 46 matched with the second fixing seat is formed in the cooling air sealing pad 13 and arranged on the outer side of the motor through hole 37, and a self-tapping screw 14 is installed on the first fixing seat 30, the second fixing seat and the third fixing seat 47 through the fixing hole 46. The boss 35 and the cooling air sealing pad 13 are both provided with a positioning groove 36, the motor body 9 passes through a motor through hole 37 and is installed on the motor base 28, a shaft sealing ring 8 is arranged on a motor shaft 48, the shaft sealing ring 8 is installed in the shaft hole 27, the motor shaft 48 is connected with a motor fan blade, and the motor body 9 is fixedly installed on the flow dispersing end cover 7 through an installation screw 6.
The motor flabellum includes flabellum lid 2, flabellum piece 3 and flabellum dish 4, flabellum lid 2 all is equipped with ventilation hole 21 with flabellum piece 3's centre, flabellum piece 3 installs in flabellum lid 2, flabellum dish 4's centre is equipped with mounting hole 22, be equipped with coupling 5 on the motor shaft 48, motor shaft 48 passes through coupling 5 and installs on flabellum dish 4's mounting hole 22, be equipped with a plurality of evenly distributed's fan piece 23 on the flabellum dish 4, flabellum dish 4 is arranged in flabellum lid 2 and is located between flabellum piece 3 and the end cover 7 that. The outer side surface of the fan blade cover 2 is provided with a plurality of positioning buckles 20 which are evenly distributed, the outer side surface of the diffusing end cover 7 is provided with positioning clamp tongues 26 matched with the positioning buckles 20, two sides of one positioning clamp tongue 26 are provided with a first limiting block 25, the outer side surface of the diffusing middle part 11 is provided with a second limiting block 31 corresponding to the first limiting block 25, the outer side surface of the diffusing tail cover 12 is provided with a third limiting block 34 corresponding to the second limiting block 31, and the outer side surface of the motor air passage 16 is provided with a fourth limiting block 39 corresponding to the third limiting block 34. The outer side of the fan blade cover 2 is provided with a cover sealing ring 1.
The motor air flue 16 is integrally formed, the motor air flue 16 comprises an air flue base 40 and an air flue side plate 44, a first mounting seat 38 is arranged on the outer side surface of the air flue base 40, a second mounting seat 33 matched with the first mounting seat 38 is arranged on the diffusion tail cover 12, an air flue O-shaped ring 15 is arranged between the air flue base 40 and the diffusion tail cover 12, a motor sleeve 41 used for mounting the motor body 9 is arranged in the middle of the air flue base 40, the motor sleeve 41 is communicated with the air flue base 40, the air flue side plate 44 is mounted on the air flue base 40, the air flue side plate 44 is arranged on the outer side of the motor sleeve 41, a cooling air flue 43 is mounted inside the air flue side plate 44, a first cooling air hole 42 is formed in the air flue base 40, the cooling air flue 43 is communicated with a cooling air flue on the diffuser through the first cooling air hole 42, a working air hole 45 is formed in the air flue side. And a cooling hole sealing gasket 17 is arranged on the cooling air hole II, an air hole sealing gasket 18 is arranged on the working air hole 45, an air passage sealing ring 19 is arranged on the motor air passage 16, and the air passage sealing ring 19 is arranged on the air passage base 40.
Wherein: after the root of the motor shaft 48 is greased, the shaft seal ring 8 is sleeved. When the fan is used, the motor body 9 works to enable the motor shaft 48 to rotate, the motor shaft 48 rotates to drive the fan blade disc 4 to rotate through the shaft joint 5, the fan blades 23 on the fan blade disc 4 perform air suction operation through the fan blade cover 2 and the ventilation holes 21 in the business sheets, sucked air can enter the cooling air duct of the air diffuser and then enter the cooling air duct 43 of the motor air duct 16 to be discharged from the cooling air hole II, the whole process cannot be contacted with the motor body 9, and partial heat in the air diffuser can be taken away by the air in the cooling air duct; the motor body 9 is mounted on the motor base 28 of the end cover 7 through the motor sleeve 41 on the motor air passage 16, and heat emitted by the motor body 9 is discharged through the working air hole 45, so that the purpose of heat dissipation of the motor body 9 is achieved.

Claims (10)

1. The utility model provides a do dual-purpose direct current motor mechanism of wet, characterized by, includes motor flabellum, air diffuser, motor body (9) and motor air flue (16), install in the air diffuser the front end of motor body (9), the motor flabellum arrange the front end of air diffuser in and be connected with motor body (9), motor air flue (16) install the rear end at the air diffuser, the rear end of motor body (9) is installed on motor air flue (16), the air diffuser in be equipped with cooling air duct, motor air flue (16) on be equipped with cooling air flue (43) and work gas pocket (45), the air diffuser pass through cooling air duct and motor flabellum intercommunication, the air diffuser pass through cooling air duct and motor air flue (16) on cooling air duct (43) intercommunication.
2. The dry-wet dual-purpose direct current motor mechanism according to claim 1, wherein the diffuser comprises a diffuser end cover (7), a diffuser middle piece (11) and a diffuser tail cover (12), a shaft hole (27) is arranged in the middle of the diffuser end cover (7), the motor blade is arranged on one end surface of the diffuser end cover (7), a motor base (28) is arranged on the other end surface of the diffuser end cover (7), a motor shaft (48) is arranged on the motor body (9), the motor body (9) is arranged on the motor base (28), the motor shaft (48) of the motor body (9) passes through the shaft hole (27) to be connected with the motor blade, O-shaped sealing rings (10) are arranged between the diffuser end cover (7) and the diffuser middle piece (11) and between the diffuser middle piece (11) and the diffuser tail cover (12), and a cooling air-tight sealing pad (13) is arranged on the diffuser tail cover (12), the cooling air sealing pad (13) is arranged between the diffusing tail cover (12) and the motor air flue (16), and the diffusing end cover (7), the diffusing middle piece (11), the diffusing tail cover (12) and the cooling air sealing pad (13) are fixed together through self-tapping screws (14).
3. The dry-wet dual-purpose direct current motor mechanism as claimed in claim 2, wherein a first annular cooling air grid (24) is arranged on the flow dispersing end cover (7) and positioned at the outer edge of the flow dispersing end cover (7), the flow dispersing middle piece (11) is annular, a second cooling air grid (29) matched with the first cooling air grid (24) is arranged between the inner ring and the outer ring of the flow dispersing middle piece (11), a third cooling air grid (32) matched with the second cooling air grid (29) is arranged on the flow dispersing tail cover (12) and positioned at the outer edge of the flow dispersing tail cover (12), and the cooling air duct is composed of the first cooling air grid (24), the second cooling air grid (29) and the third cooling air grid (32).
4. The dry-wet dual-purpose direct current motor mechanism according to claim 3, wherein a plurality of first fixing seats (30) are uniformly distributed on an inner ring of the middle diffuser (11), the O-shaped sealing ring (10) is arranged on the inner ring of the middle diffuser (11), a second fixing seat matched with the first fixing seat (30) is arranged on the diffuser end cover (7), a third fixing seat (47) matched with the first fixing seat (30) is arranged on the diffuser tail cover (12), a boss (35) matched with the cooling air sealing pad (13) is arranged on the diffuser tail cover (12), a motor through hole (37) is arranged in the middle of the boss (35) and the middle of the cooling air sealing pad (13), a fixing hole (46) matched with the second fixing seat is arranged on the cooling air sealing pad (13) and on the outer side of the motor through hole (37), and the self-tapping screw (14) is arranged on the first fixing seat (30), the second fixing seat and the third fixing seat (47) through the fixing hole (46).
5. The dry-wet dual-purpose direct current motor mechanism as claimed in claim 4, wherein the boss (35) and the cooling air seal pad (13) are respectively provided with a positioning groove (36), the motor body (9) passes through a motor through hole (37) and is installed on the motor base (28), the motor shaft (48) is provided with a shaft seal ring (8), the shaft seal ring (8) is installed in the shaft hole (27), the motor shaft (48) is connected with a motor fan blade, and the motor body (9) is fixedly installed on the current dispersion end cover (7) through an installation screw (6).
6. The dry-wet dual-purpose direct current motor mechanism according to claim 2, wherein the motor blades comprise a blade cover (2), fan blades (3) and a blade disc (4), ventilation holes (21) are formed in the middles of the blade cover (2) and the fan blades (3), the fan blades (3) are installed in the blade cover (2), installation holes (22) are formed in the middles of the blade disc (4), a shaft joint (5) is arranged on a motor shaft (48), the motor shaft (48) is installed on the installation holes (22) of the blade disc (4) through the shaft joint (5), a plurality of uniformly distributed fan blades (23) are arranged on the blade disc (4), and the blade disc (4) is arranged in the blade cover (2) and is located between the fan blades (3) and a flow dispersing end cover (7).
7. The dry-wet dual-purpose direct current motor mechanism is characterized in that a plurality of positioning buckles (20) are uniformly distributed on the outer side face of the fan blade cover (2), positioning clamping tongues (26) matched with the positioning buckles (20) are arranged on the outer side face of the flow dispersing end cover (7), a first limiting block (25) is arranged on two sides of one positioning clamping tongue (26), a second limiting block (31) corresponding to the first limiting block (25) is arranged on the outer side face of the flow dispersing middle part (11), a third limiting block (34) corresponding to the second limiting block (31) is arranged on the outer side face of the flow dispersing tail cover (12), and a fourth limiting block (39) corresponding to the third limiting block (34) is arranged on the outer side face of the motor air passage (16).
8. The wet and dry direct current motor mechanism according to claim 6 or 7, wherein a cover sealing ring (1) is arranged on the outer side of the fan blade cover (2).
9. The dry-wet dual-purpose direct current motor mechanism according to claim 2, wherein the motor air passage (16) is integrally formed, the motor air passage (16) comprises an air passage base (40) and an air passage side plate (44), a first mounting seat (38) is arranged on the outer side surface of the air passage base (40), a second mounting seat (33) matched with the first mounting seat (38) is arranged on the diffusion tail cover (12), an air passage O-shaped ring (15) is arranged between the air passage base (40) and the diffusion tail cover (12), a motor sleeve (41) used for mounting the motor body (9) is arranged in the middle of the air passage base (40), the motor sleeve (41) is communicated with the air passage base (40), the air passage side plate (44) is mounted on the air passage base (40), and the air passage side plate (44) is arranged on the outer side of the motor sleeve (41), the cooling air channel (43) is arranged inside the air channel side plate (44), a first cooling air hole (42) is formed in the air channel base (40), the cooling air channel (43) is communicated with the cooling air channel on the air diffuser through the first cooling air hole (42), the working air hole (45) is formed in the air channel side plate (44), a second cooling air hole is formed in the air channel side plate (44), and the second cooling air hole is communicated with the cooling air channel (43).
10. The dry-wet dual-purpose direct current motor mechanism according to claim 9, wherein a cooling hole sealing gasket (17) is arranged on the cooling air hole II, an air hole sealing gasket (18) is arranged on the working air hole (45), an air passage sealing ring (19) is arranged on the motor air passage (16), and the air passage sealing ring (19) is arranged on an air passage base (40).
CN202021151470.5U 2020-06-19 2020-06-19 Dry-wet dual-purpose direct current motor mechanism Withdrawn - After Issue CN212278035U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021151470.5U CN212278035U (en) 2020-06-19 2020-06-19 Dry-wet dual-purpose direct current motor mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021151470.5U CN212278035U (en) 2020-06-19 2020-06-19 Dry-wet dual-purpose direct current motor mechanism

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Publication Number Publication Date
CN212278035U true CN212278035U (en) 2021-01-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021151470.5U Withdrawn - After Issue CN212278035U (en) 2020-06-19 2020-06-19 Dry-wet dual-purpose direct current motor mechanism

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111835127A (en) * 2020-06-19 2020-10-27 宁波德昌电机股份有限公司 Dry-wet dual-purpose direct current motor assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111835127A (en) * 2020-06-19 2020-10-27 宁波德昌电机股份有限公司 Dry-wet dual-purpose direct current motor assembly
CN111835127B (en) * 2020-06-19 2024-07-23 宁波德昌电机股份有限公司 Dry-wet dual-purpose direct current motor assembly

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