CN217692914U

CN217692914U - Motor for high-efficient radiating low-speed fan

Info

Publication number: CN217692914U
Application number: CN202221249216.8U
Authority: CN
Inventors: 陈健; 胡宇挺; 金佩薇; 邬圣赋
Original assignee: Alda Electric Co ltd
Current assignee: Alda Electric Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-28
Anticipated expiration: 2032-05-23

Abstract

A motor for a low-speed fan with high-efficiency heat dissipation comprises a shell and a main motor shaft arranged in the shell, wherein the left end of the main motor shaft penetrates out of the shell leftwards; the inner wall of the port at the upper end of the opening is provided with an annular clamping step; a sealing cover matched with the opening is arranged in the opening; the outer edge of the upper surface of the sealing cover extends outwards to form a clamping part which is attached to the clamping step; the upper surface of the sealing cover is provided with a plurality of uniformly distributed heat dissipation covers; the lower surface of the sealing cover is provided with a plurality of air inlets communicated with the heat dissipation cover. The utility model discloses a high-efficient radiating low-speed is motor for fan not only can effectively avoid external dust and rainwater to enter into to the motor housing in erode the inside part of motor, and can effectively improve the radiating efficiency of motor, realizes high-efficient radiating effect.

Description

Motor for high-efficient radiating low-speed fan

Technical Field

The utility model relates to a motor, especially a motor for high-efficient radiating low-speed fan.

Background

The motor for the low-speed fan is a motor used on the fan, the motor can drive an impeller of the fan to rotate, after the impeller rotates, the low-speed fan can discharge indoor dirty gas to the outside, the exhaust is a long-time work, in the exhaust process of the low-speed fan, the motor is always in a running state, the long-term running of the motor can cause a large amount of heat to be generated inside the motor, the traditional motor can be provided with a plurality of uniformly distributed radiating strips on the outer wall of a motor shell in order to improve the radiating efficiency, the radiating area of the motor shell is increased, but the radiating efficiency which can be improved by the mode is extremely limited, the hot gas has the characteristic of automatic rising, if the radiating holes are directly formed above the motor shell, the hot gas in the motor shell can be quickly radiated to the outside, but because the fan is a device for communicating the indoor space with the outside, the external dust and rainwater are very easy to corrode parts inside the motor through entering the motor, and the service life of the motor is influenced.

Disclosure of Invention

The utility model aims to solve the current technical problem and provide a motor for high-efficient radiating low-speed fan, it not only can effectively avoid external dust and rainwater to get into to erode the inside part of motor in the motor housing, and can effectively improve the radiating efficiency of motor, realizes high-efficient radiating effect.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model discloses a motor for high-efficient radiating low-speed fan, including the shell, locate the main motor shaft in the shell, outside main motor shaft left end was worn out to the shell left, the main motor shaft was equipped with the rotor outward, and shell middle part inner wall is equipped with the stator of cover outside the rotor, its characterized in that: an opening communicated with the inner space of the shell is formed in the rear side of the upper surface of the shell; the inner wall of the port at the upper end of the opening is provided with an annular clamping step; a sealing cover matched with the opening is arranged in the opening; the outer edge of the upper surface of the sealing cover extends outwards to form a clamping part which is attached to the clamping step; the upper surface of the sealing cover is provided with a plurality of uniformly distributed heat dissipation covers; the lower surface of the sealing cover is provided with a plurality of air inlets communicated with the heat dissipation cover; the upper surface of the heat dissipation cover is provided with heat dissipation holes communicated with the inner space of the heat dissipation cover; the heat dissipation cover is covered with a dust cover, a heat dissipation gap is formed between the inner wall of the dust cover and the outer wall of the heat dissipation cover, and the uniformly distributed dust covers are connected through a connecting plate which is attached to the upper surface of the sealing cover; the outer wall of the dust cover is provided with a plurality of dust holes communicated with the heat dissipation gap, the lower end orifice of each dust hole is positioned on the outer wall of the lower end of the dust cover, and the upper end orifice of each dust hole is positioned on the inner wall of the upper end of the dust cover; the lower surface of the sealing cover is provided with an auxiliary heat dissipation device positioned in the rear part of the shell.

The auxiliary heat dissipation device comprises a fixed seat plate arranged right below the sealing cover; the fixed seat plate is fixed with the sealing cover through a fixing structure; a second through hole is formed in the center of the fixed seat plate, and a fixed shaft penetrates through the second through hole; a pressing pipe sleeved outside the fixed shaft extends downwards from the inner edge of the orifice at the lower end of the second perforation; the lower end of the fixed shaft is provided with a limiting head; a bearing sleeved outside the fixed shaft is arranged between the upper surface of the limiting head and the lower end surface of the pressing pipe, the upper end surface of an inner ring of the bearing is attached to the lower end surface of the pressing pipe, and the lower end surface of the inner ring of the bearing is attached to the upper surface of the limiting head; the upper end of the fixed shaft is in threaded connection with a second limiting nut which is attached to the upper surface of the fixed seat plate; a blade shaft sleeve matched with the bearing is sleeved outside the outer ring of the bearing; the outer wall of the blade shaft sleeve is provided with a plurality of uniformly distributed blades.

The fixing structure comprises first through holes arranged on the left side and the right side of the upper surface of the fixing seat plate; the left side and the right side of the lower surface of the fixed seat plate are provided with limiting holes communicated with the first through holes, and the diameters of the limiting holes are larger than the diameter of the first through holes; the screw holes are formed in the left side and the right side of the lower surface of the sealing cover; a fixing rod sequentially penetrates through the limiting hole and the first through hole upwards and is in threaded connection with the threaded connection hole, a limiting part attached to the bottom of the limiting hole is arranged at the lower end of the fixing rod, and the limiting part is located in the limiting hole; the fixed rod is connected with a first limiting nut which is attached to the upper surface of the fixed seat plate in a threaded mode.

An auxiliary cover is covered above the connecting plate, and encloses the dust cover; a fixing part extends outwards from the outer wall of the lower end of the auxiliary cover; the fixing part, the connecting plate, the clamping part and the clamping step are fixed through an easily-detachable structure; the upper surface of the auxiliary cover is provided with a plurality of air outlet holes communicated with the inner space of the auxiliary cover; the center of the upper surface of the auxiliary cover is provided with a sixth through hole communicated with the inner space of the auxiliary cover; the middle part of the upper surface of the auxiliary cover is provided with a micro motor matched with the auxiliary cover, and a motor shaft of the micro motor penetrates into the auxiliary cover through a sixth through hole and is provided with a fan blade.

The easy-to-dismount structure comprises a plurality of screw holes which are uniformly arranged on the clamping step in a circumferential manner; the upper surface of the clamping part is provided with a plurality of third through holes communicated with the screw holes; the upper surface of the connecting plate is provided with a plurality of fourth through holes communicated with the third through holes; the upper surface of the fixed part is provided with a plurality of fifth through holes communicated with the fourth through holes; a screw passes through the fifth through hole, the fourth through hole and the third through hole in sequence downwards and is in threaded connection with the screw hole, and the head of the screw is attached to the upper surface of the fixing part.

The upper surface of the auxiliary cover is provided with a conical surface which is wide at the top and narrow at the bottom, and the upper end of the conical surface encloses the micro motor.

The beneficial effects of the utility model are that:

compared with the prior art, adopt the utility model discloses the high-efficient radiating motor accessible louvre for low-speed fan of structure is quick with in the motor housing automatic rising steam discharge to the external world fast, effectively avoid a large amount of heats can't in time to spill and lead to the motor internals to be in the condition of damaging under the high temperature environment for a long time, and in the in-process that steam constantly rises and spills, the blade then can be rotatory along with the flow of steam takes place, rotatory blade can further improve the speed of spilling of steam at this moment, thereby further improve the radiating efficiency, realize high-efficient radiating effect, and the existence of dustproof hole can avoid external dust and rainwater to get into the condition that the inside part of motor is corroded and damages in the motor housing through the louvre when guaranteeing the normal radiating of louvre, guarantee the life of motor.

Drawings

Fig. 1 is a schematic structural view of the motor for the low-speed fan with high heat dissipation efficiency of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

referring to fig. 1 and 2, the present invention provides a motor for a low-speed fan with high heat dissipation efficiency, which includes a housing 1 and a main motor shaft 2 disposed in the housing 1, wherein the left end of the main motor shaft 2 penetrates out of the housing 1 to the left, a rotor 3 is disposed outside the main motor shaft 2, a stator 4 sleeved outside the rotor 3 is disposed on the inner wall of the middle portion of the housing 1, and an opening 5 communicated with the inner space of the housing 1 is disposed on the rear side of the upper surface of the housing 1; an annular clamping step 6 is arranged on the inner wall of the upper end port of the opening 5; a sealing cover 7 matched with the opening 5 is arranged in the opening; a clamping part 8 which is attached to the clamping step 6 extends outwards from the outer edge of the upper surface of the sealing cover 7; the upper surface of the sealing cover 7 is provided with a plurality of uniformly distributed radiating covers 9; the lower surface of the sealing cover 7 is provided with a plurality of air inlets 10 communicated with the heat dissipation cover 9; the upper surface of the heat dissipation cover 9 is provided with a heat dissipation hole 11 communicated with the inner space of the heat dissipation cover; a dust cover 12 is covered outside the heat dissipation cover 9, a heat dissipation gap 13 is formed between the inner wall of the dust cover 12 and the outer wall of the heat dissipation cover 9, and a plurality of uniformly distributed dust covers 12 are connected through a connecting plate 14 which is attached to the upper surface of the sealing cover 7; a plurality of dustproof holes 15 communicated with the heat dissipation gaps 13 are formed in the outer wall of the dustproof cover 12, the lower end orifice of each dustproof hole 15 is located on the outer wall of the lower end of the dustproof cover 12, and the upper end orifice of each dustproof hole 15 is located on the inner wall of the upper end of the dustproof cover 12; the lower surface of the sealing cover 7 is provided with an auxiliary heat sink positioned in the rear part of the housing 1.

The auxiliary heat dissipation device comprises a fixed seat plate 16 arranged right below the sealing cover 7; the fixed seat plate 16 is fixed with the sealing cover 7 through a fixing structure; the center of the fixed seat plate 16 is provided with a second through hole 17, and a fixed shaft 18 passes through the second through hole 17; a pressing pipe 19 sleeved outside the fixed shaft 18 extends downwards from the inner edge of the orifice at the lower end of the second through hole 17; the lower end of the fixed shaft 18 is provided with a limiting head 20; a bearing 21 sleeved outside the fixed shaft 18 is arranged between the upper surface of the limiting head 20 and the lower end surface of the pressing pipe 19, the upper end surface of an inner ring of the bearing 21 is attached to the lower end surface of the pressing pipe 19, and the lower end surface of the inner ring of the bearing 21 is attached to the upper surface of the limiting head 20; the upper end of the fixed shaft 18 is in threaded connection with a second limit nut 22 which is attached to the upper surface of the fixed seat plate 16; a blade shaft sleeve 23 matched with the bearing 21 is sleeved outside the outer ring of the bearing; the outer wall of the blade shaft sleeve 23 is provided with a plurality of uniformly distributed blades 24.

The fixing structure comprises first through holes 25 arranged on the left side and the right side of the upper surface of the fixing seat plate 16; the left side and the right side of the lower surface of the fixed seat plate 16 are provided with limiting holes 26 communicated with the first through holes 25, and the diameter of each limiting hole 26 is larger than that of each first through hole 25; screw holes 27 on both left and right sides of the lower surface of the sealing cover 7; a fixing rod 28 sequentially penetrates through the limiting hole 26 and the first through hole 25 upwards and is in threaded connection with the threaded hole 27, a limiting part 29 attached to the bottom of the limiting hole 26 is arranged at the lower end of the fixing rod 28, and the limiting part 29 is located in the limiting hole 26; a first limit nut 30 which is attached to the upper surface of the fixing seat plate 16 is screwed on the fixing rod 28.

An auxiliary cover 31 is covered above the connecting plate 14, and the auxiliary cover 31 encloses the dust cover 12; a fixing part 32 extends outwards from the outer wall of the lower end of the auxiliary cover 31; the fixing part 32, the connecting plate 14, the clamping part 8 and the clamping step 6 are fixed together through an easy-to-assemble and disassemble structure; the upper surface of the auxiliary cover 31 is provided with a plurality of air outlet holes 33 communicated with the inner space of the auxiliary cover; a sixth through hole 34 communicated with the inner space of the auxiliary cover 31 is formed in the center of the upper surface of the auxiliary cover 31; the middle part of the upper surface of the auxiliary cover 31 is provided with a micro motor 35 matched with the auxiliary cover, and a motor shaft of the micro motor 35 penetrates into the auxiliary cover 31 through a sixth through hole 34 and is provided with a fan blade 36.

The easy-to-dismount structure comprises a plurality of screw holes 37 which are uniformly arranged on the clamping step 6 in a circumferential manner; the upper surface of the clamping part 8 is provided with a plurality of third through holes 38 which are communicated with the screw holes 37; the upper surface of the connecting plate 14 is provided with a plurality of fourth through holes 39 communicated with the third through holes 38; the upper surface of the fixing part 32 is provided with a plurality of fifth through holes 40 communicated with the fourth through holes 39; a screw 41 passes through the fifth through hole 40, the fourth through hole 39 and the third through hole 38 in sequence and is screwed in the screw hole 37, and the head of the screw 41 is attached to the upper surface of the fixing portion 32.

The upper surface of the auxiliary cover 31 is provided with a conical surface 42 with a wide upper part and a narrow lower part, and the upper end of the conical surface 42 encloses the micro motor 35.

The utility model discloses a use method as follows:

when the motor for the low-speed fan operation produced the heat, steam in motor housing 1 then can rise automatically, and the steam that rises then can the very first time enter into to heat exchanger 9 through inlet port 10, get into to heat dissipation clearance 13 in through heat dissipation hole 11 of heat exchanger 9 upper end immediately, and 15 upper end drill ways of dustproof hole are located dust cover 12 upper end inner wall, consequently 15 upper end drill ways of dustproof hole are extremely near apart from 11 upper end drill ways of heat dissipation hole, after steam enters into to heat dissipation clearance 13 from heat dissipation hole 11, steam can pass through dustproof hole 15 in the shortest time and discharge outside dust cover 12, realize quick heat discharge to the external effect with motor housing 1.

Because 11 upper end orifices of louvre are located dust cover 12 upper end inner wall, 11 lower extreme orifices of louvre are located dust cover 12 lower extreme outer wall, therefore external dust is extremely difficult with the rainwater and is entering into the dust cover along with the slope inner wall climbing of louvre 11, thereby effectively avoid external dust and rainwater to pass through louvre 11 and enter into to motor housing 1 in, when external dust and rainwater enter into to louvre 11 in, under the effect of natural gravity, external dust and rainwater then can be along with the slope inner wall orbit gliding of louvre 11, finally discharge to the external world from 15 lower extreme orifices of dust vent once more.

When the heat source in motor housing 1 continuously rises, the steam that rises then can form the air current that flows, and blade 24 then can take place the rotation under the drive of this strand of air current, takes place rotatory back when blade 24, and blade 24 then can drive the heating installation in reverse and flow to the speed that steam rises accelerates, makes the steam in the housing 1 flow to inlet port 10 more fast, and final discharge is to the external world, further improves the radiating efficiency of steam.

To sum up, can know, the utility model discloses accessible louvre 11 is fast with the quick discharge of the steam of motor housing 1 interior automatic rising to the external world, effectively avoid a large amount of heats can't in time spill to lead to the condition that the motor internals takes place the damage under being in high temperature environment for a long time, and at the in-process that steam constantly rises spill, blade 24 then can take place rotatoryly along with the flow of steam, rotatory blade 24 can further improve the spill speed of steam at this moment, thereby further improve the radiating efficiency, realize high-efficient radiating effect, and the existence of dustproof hole 15 can be when guaranteeing that louvre 11 normally dispels the heat avoid external dust and rainwater to get into the condition that the inside part of motor is corroded and damaged in motor housing 1 through louvre 11, guarantee the life of motor.

Fixed knot constructs including locating the first perforation 25 of fixed bedplate 16 upper surface left and right sides, the fixed bedplate 16 lower surface left and right sides is equipped with the spacing hole 26 that link up mutually with first perforation 25, spacing hole 26 diameter is greater than first perforation 25 diameter, the spiro union hole 27 of the sealed lid 7 lower surface left and right sides, a dead lever 28 upwards passes spacing hole 26 in proper order, first perforation 25 and spiro union are in spiro union 27, dead lever 28 lower extreme is equipped with one and spacing hole 26 hole bottom laminating spacing portion 29, spacing portion 29 is located spacing hole 26, the spiro union has a first stop nut 30 with the laminating of fixed bedplate 16 upper surface on the dead lever 28, this kind of fixed knot constructs the dismouting of being convenient for between dead lever 28 and the sealed lid 7 and the dismouting between dead lever 28 and the fixed bedplate 16.

An auxiliary cover 31 is covered above the connecting plate 14, the auxiliary cover 31 encloses the dust cover 12, a fixing portion 32 extends out from the outer wall of the lower end of the auxiliary cover 31, the fixing portion 32, the connecting plate 14, the clamping portion 8 and the clamping step 6 are fixed through an easily-detachable structure, a plurality of air outlets 33 communicated with the inner space of the auxiliary cover 31 are formed in the upper surface of the auxiliary cover 31, a sixth through hole 34 communicated with the inner space of the auxiliary cover 31 is formed in the center of the upper surface of the auxiliary cover 31, a micro motor 35 matched with the auxiliary cover 31 is arranged in the middle of the upper surface of the auxiliary cover 31, a motor shaft of the micro motor 35 penetrates into the auxiliary cover 31 through the sixth through hole 34 and is provided with a fan blade 36, when the low-speed fan runs with the motor, the micro motor can be started simultaneously, when the micro motor runs, the micro motor can drive the fan blade 36 to rotate through the motor shaft, so that hot air exhausted from an orifice at the lower end of the dust cover 15 flows towards the air outlets 33 from the air outlets, and then the dust cover is prevented from entering the auxiliary cover 31 through the air outlets 33.

The easy dismouting structure includes that a plurality of circumferences evenly locate the screw 37 on the screens step 6, the upper surface of screens portion 8 is equipped with a plurality of third perforation 38 that link up with screw 37, the upper surface of connecting plate 14 is equipped with a plurality of fourth perforation 39 that link up with third perforation 38, the upper surface of fixed part 32 is equipped with a plurality of fifth perforation 40 that link up with fourth perforation 39, a screw 41 passes fifth perforation 40 downwards in proper order, fourth perforation 39, third perforation 38 and spiro union in screw 37, the head of screw 41 is laminated with the fixed part 32 upper surface mutually, only need to follow screw 37 internal screw-out with screw 41, just can accomplish the dismantlement between sealed lid 7, connecting plate 14, the auxiliary cover 31 fast.

The upper surface of the auxiliary cover 31 is provided with a conical surface 42 which is wide at the top and narrow at the bottom, the upper end of the conical surface 42 encloses the micro motor 35, the existence of the conical surface 42 can play a role in guiding dust and rainwater to flow, once the dust contacts the conical surface with the rainwater, the dust and the rainwater can flow towards the oblique lower side quickly along the track of the conical surface 42, a large amount of dust and rainwater are prevented from entering the auxiliary cover 31 through the air outlet, a small amount of dust and rainwater can enter the auxiliary cover 31, under the blocking of the dustproof holes, the dust and the rainwater can be effectively prevented from finally entering the motor shell, and the dustproof and rainproof effects are further improved.

Claims

1. The utility model provides a motor for high-efficient radiating low-speed fan, includes the shell, locates the main motor shaft in the shell, outside the shell was worn out to the shell left to main motor shaft left end, the main motor shaft is equipped with the rotor outward, shell middle part inner wall is equipped with the stator of cover outside the rotor, its characterized in that: the rear side of the upper surface of the shell is provided with an opening communicated with the inner space of the shell; the inner wall of the port at the upper end of the opening is provided with an annular clamping step; a sealing cover matched with the opening is arranged in the opening; the outer edge of the upper surface of the sealing cover extends outwards to form a clamping part which is attached to the clamping step; the upper surface of the sealing cover is provided with a plurality of uniformly distributed heat dissipation covers; the lower surface of the sealing cover is provided with a plurality of air inlets communicated with the heat dissipation cover; the upper surface of the heat dissipation cover is provided with heat dissipation holes communicated with the inner space of the heat dissipation cover; the heat dissipation cover is covered with a dust cover, a heat dissipation gap is formed between the inner wall of the dust cover and the outer wall of the heat dissipation cover, and the uniformly distributed dust covers are connected through a connecting plate which is attached to the upper surface of the sealing cover; the outer wall of the dustproof cover is provided with a plurality of dustproof holes communicated with the heat dissipation gap, the lower end orifice of each dustproof hole is positioned on the outer wall of the lower end of the dustproof cover, and the upper end orifice of each dustproof hole is positioned on the inner wall of the upper end of the dustproof cover; the lower surface of the sealing cover is provided with an auxiliary heat dissipation device positioned in the rear part of the shell.

2. The motor for the low-speed fan with the efficient heat dissipation function as recited in claim 1, wherein: the auxiliary heat dissipation device comprises a fixed seat plate arranged right below the sealing cover; the fixed seat board is fixed with the sealing cover through a fixing structure; a second through hole is formed in the center of the fixed seat plate, and a fixed shaft penetrates through the second through hole; a pressing pipe sleeved outside the fixed shaft extends downwards from the inner edge of the orifice at the lower end of the second perforation; the lower end of the fixed shaft is provided with a limiting head; a bearing sleeved outside the fixed shaft is arranged between the upper surface of the limiting head and the lower end surface of the pressing pipe, the upper end surface of an inner ring of the bearing is attached to the lower end surface of the pressing pipe, and the lower end surface of the inner ring of the bearing is attached to the upper surface of the limiting head; the upper end of the fixed shaft is in threaded connection with a second limiting nut which is attached to the upper surface of the fixed seat plate; a blade shaft sleeve matched with the bearing is sleeved outside the outer ring of the bearing; the outer wall of the blade shaft sleeve is provided with a plurality of uniformly distributed blades.

3. The motor for the low-speed fan with the efficient heat dissipation function as recited in claim 2, wherein: the fixing structure comprises first through holes arranged on the left side and the right side of the upper surface of the fixing seat plate; the left side and the right side of the lower surface of the fixed seat plate are provided with limiting holes communicated with the first through holes, and the diameters of the limiting holes are larger than the diameter of the first through holes; the screw holes on the left side and the right side of the lower surface of the sealing cover; a fixed rod sequentially penetrates through the limiting hole and the first through hole upwards and is in threaded connection with the threaded connection hole, a limiting part attached to the bottom of the limiting hole is arranged at the lower end of the fixed rod, and the limiting part is located in the limiting hole; the fixed rod is screwed with a first limit nut which is attached to the upper surface of the fixed seat plate.

4. The motor for the low-speed fan with the efficient heat dissipation function as recited in claim 1, wherein: an auxiliary cover is covered above the connecting plate, and encloses the dust cover; a fixing part extends outwards from the outer wall of the lower end of the auxiliary cover; the fixing part, the connecting plate, the clamping part and the clamping step are fixed through an easily-detachable structure; the upper surface of the auxiliary cover is provided with a plurality of air outlet holes communicated with the inner space of the auxiliary cover; the center of the upper surface of the auxiliary cover is provided with a sixth through hole communicated with the inner space of the auxiliary cover; the middle part of the upper surface of the auxiliary cover is provided with a micro motor matched with the auxiliary cover, and a motor shaft of the micro motor penetrates into the auxiliary cover through a sixth through hole and is provided with a fan blade.

5. The motor for the low-speed fan with efficient heat dissipation of claim 4, wherein: the easy-to-dismount structure comprises a plurality of screw holes which are uniformly arranged on the clamping step in a circumferential manner; the upper surface of the clamping part is provided with a plurality of third through holes communicated with the screw holes; the upper surface of the connecting plate is provided with a plurality of fourth through holes communicated with the third through holes; the upper surface of the fixed part is provided with a plurality of fifth through holes communicated with the fourth through holes; a screw passes through the fifth through hole, the fourth through hole and the third through hole in sequence downwards and is in threaded connection with the screw hole, and the head of the screw is attached to the upper surface of the fixing part.

6. The motor for the low-speed fan with efficient heat dissipation of claim 4, wherein: the upper surface of the auxiliary cover is provided with a conical surface which is wide at the top and narrow at the bottom, and the upper end of the conical surface encloses the micro motor.