CN112751461A - Motor with high heat dissipation efficiency - Google Patents
Motor with high heat dissipation efficiency Download PDFInfo
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- CN112751461A CN112751461A CN202011593581.6A CN202011593581A CN112751461A CN 112751461 A CN112751461 A CN 112751461A CN 202011593581 A CN202011593581 A CN 202011593581A CN 112751461 A CN112751461 A CN 112751461A
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- heat dissipation
- fixedly connected
- end cover
- peripheral wall
- bearing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor with high heat dissipation efficiency, which comprises a cylindrical shell, a front end cover, a rear end cover, a stator, a rotor, a rotating shaft and a large fan, wherein the stator is fixedly clamped inside the cylindrical shell, a ventilation cavity is formed between the outer surface of the stator and the inner peripheral wall of the cylindrical shell, the front end of the rotating shaft penetrates through the front end cover and is fixedly connected with the front end cover through a first bearing, the rear end of the rotating shaft is fixedly connected with the rear end cover through a third bearing, the peripheral surface of the rotating shaft is fixedly connected with the rotor, the large fan is fixedly arranged at the rear end of the rotating shaft, and a heat dissipation mechanism is arranged at the rear side part of the; the heat dissipation mechanism comprises a heat dissipation assembly, a second bearing and a large gear, the heat dissipation assembly is fixedly connected with the rotating shaft through the second bearing, the large gear is fixedly connected with the rotating shaft, and the large gear is meshed with the heat dissipation assembly. The invention has good heat dissipation effect when used in high temperature environment or in a motor for a long time, reduces the damage of the motor caused by heating, prolongs the service life of the motor and saves resources to a certain extent.
Description
Technical Field
The invention relates to a motor with high heat dissipation efficiency, and belongs to the technical field of motors.
Background
An electromagnetic device for realizing electric energy conversion or transmission by the law of electromagnetic induction. The motor is represented by a letter M (old standard is represented by a letter D) in a circuit, the motor mainly plays a role of generating driving torque and serving as a power source of electrical appliances or various machines, the generator is represented by a letter G in a circuit, and the generator mainly plays a role of converting electric energy into mechanical energy.
At present, most of motors are radiated by large fan blades at the tail part of a motor rotating shaft, but the radiating effect is poor in a high-temperature environment or after the motor is used for a long time, the motor is easy to damage, and the service life of the motor is shortened; if a water cooling device is additionally arranged on the motor, additional power driving equipment is needed, and energy waste is caused to a certain extent.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the motor with high heat dissipation efficiency, which still has good heat dissipation effect in a high-temperature environment or when the motor is used for a long time, reduces the damage of the motor caused by heating, prolongs the service life of the motor and saves resources to a certain extent.
In order to achieve the purpose, the invention adopts the following technical scheme: a motor with high heat dissipation efficiency comprises a cylindrical shell, a front end cover, a rear end cover, a stator, a rotor, a rotating shaft and a large fan which are coaxially arranged, wherein the stator is fixedly clamped inside the cylindrical shell, a ventilation cavity is formed between the outer surface of the stator and the inner peripheral wall of the cylindrical shell, the front end of the rotating shaft penetrates through the front end cover and is fixedly connected with the front end cover through a first bearing, the rear end of the rotating shaft is fixedly connected with the rear end cover through a third bearing, the peripheral surface of the rotating shaft is fixedly connected with the rotor and the rotor is positioned inside the stator, the large fan is fixedly arranged at the rear end of the rotating shaft and is positioned on the front side of the third bearing, and a heat dissipation mechanism is arranged at the position of the rotating shaft, which is;
the heat dissipation mechanism comprises a heat dissipation assembly, a second bearing and a gearwheel, the heat dissipation assembly is fixedly connected with the rotating shaft through the second bearing, the gearwheel is fixedly connected with the rotating shaft and positioned on the front side of the heat dissipation assembly, and the gearwheel is meshed with the heat dissipation assembly; the front end and the rear end of the cylindrical shell are respectively fixedly sealed with the front end cover and the rear end cover, heat dissipation holes are formed in the front end cover and the rear end cover, filter screens for water and dust prevention are arranged in the heat dissipation holes, and fixing supports are arranged on the peripheral wall of the cylindrical shell.
Preferably, radiator unit includes support, a plurality of little fan, a plurality of fourth bearing, a plurality of pinion and a plurality of connecting axle, the support middle part is through second bearing and pivot fixed connection, all the connecting axle is respectively at the edge of support and every connecting axle passes through fourth bearing and support fixed connection, every the rear end and the little fan fixed connection of connecting axle, every the front end and the pinion fixed connection of connecting axle, pinion and gear wheel meshing.
Preferably, the support includes big ring frame, a plurality of branch and a plurality of ringlet frame, all branch circumference evenly arranges the periphery wall at big ring frame, every a ringlet frame of the other end fixed connection of branch, the internal perisporium of big ring frame and the periphery wall fixed connection of second bearing, the internal perisporium and the global fixed connection of pivot of second bearing, the internal perisporium of ringlet frame and the periphery wall fixed connection of fourth bearing, the internal perisporium and the connecting axle fixed connection of fourth bearing.
Preferably, the inner peripheral wall of the cylindrical shell is provided with T-shaped fixture blocks which are uniformly arranged in the circumferential direction, and the outer peripheral wall of the stator is provided with inverted T-shaped grooves which are correspondingly matched with the T-shaped fixture blocks; the front ends of all the T-shaped clamping blocks are fixedly connected with fixed limiting rings, the rear ends of all the T-shaped clamping blocks are provided with limiting grooves, and movable limiting rings are fixed in the limiting grooves through bolts.
Preferably, the movable limiting ring is provided with support lugs which are uniformly arranged in the circumferential direction and are matched with the T-shaped clamping blocks correspondingly, each support lug is provided with a connecting hole, the position, corresponding to the T-shaped clamping blocks, of the limiting groove is provided with a connecting counter bore matched with the connecting hole respectively, and the connecting holes and the connecting counter bores are connected through bolts to fix the movable limiting ring in the limiting groove.
Preferably, a positioning block is arranged on the limiting groove of one of the T-shaped clamping blocks, and a positioning groove matched with the positioning block is arranged on one of the support lugs.
Preferably, the middle part of the side wall of the front end cover is provided with a through hole which is penetrated by the front end of the rotating shaft and is coaxially arranged, the inner side wall of the front end cover is provided with a front caulking groove which is coaxially arranged with the through hole, the inner peripheral wall of the front caulking groove is fixedly connected with the outer peripheral wall of the first bearing, the inner peripheral wall of the first bearing is fixedly connected with the peripheral surface of the rotating shaft, and the inner diameter of the first bearing is smaller than the aperture of the through hole.
Preferably, rear end cover inside wall middle part is provided with the back caulking groove of coaxial arrangement, the internal perisporium of back caulking groove and the periphery wall fixed connection of third bearing, the internal perisporium and the global fixed connection of pivot of third bearing.
Preferably, the front end of the periphery wall of tube-shape shell is provided with preceding fixed ear, the periphery wall of front end housing port is provided with preceding engaging lug before the fixed ear complex, preceding solid ring is provided with on the preceding fixed ear, joint ring complex preceding solid ring groove before being provided with on the preceding engaging lug, the internal perisporium of front end housing port is provided with the preceding snap ring that the cross slope is the L type, preceding snap ring in-connection has preceding sealing washer, preceding engaging lug passes through bolted connection and preceding fixed ear and in preceding solid ring groove, preceding sealing washer support tightly make front end housing and tube-shape shell fixed seal on tube-shape shell's side anchor ring.
Preferably, the rear end of tube-shape shell's periphery wall is provided with the back fixed ear, the periphery wall of rear end cap port is provided with the back engaging lug with back fixed ear complex, be provided with the back on the back fixed ear and encircle, be provided with the back joint ring complex back solid annular groove on the back engaging lug, the internal perisporium of rear end cap port is provided with the back snap ring that the cross slope is the L type, back snap ring in-connection has the back sealing washer, back engaging lug passes through bolted connection and back fixed ear and encircles the butt in the back solid annular groove, the back sealing washer supports tightly makes rear end cap and tube-shape shell fixed sealing on tube-shape shell's side anchor ring.
The invention has the beneficial effects that: according to the invention, the ventilation chamber is formed between the stator and the cylindrical shell, the large fan and the heat dissipation mechanism generate cold air, the cold air is circulated through the ventilation chamber, and heat generated in the motor is dissipated in time by combining with the heat dissipation holes, so that the motor still has a good heat dissipation effect in a high-temperature environment or after the motor is used for a long time, the damage of the motor caused by heating is reduced, and the service life of the motor is prolonged; the heat dissipation mechanism is provided with a heat dissipation assembly and a large gear, the heat dissipation assembly is provided with a small fan, a small gear and a connecting shaft, extra power driving equipment is not needed, the large fan and the large gear are driven to rotate by a rotating shaft, the large gear is meshed with the small gear to rotate, and the connecting shaft drives the small fan to rotate along with the rotation of the small gear, so that resources are saved to a certain extent, and the cost is reduced; the inverted T-shaped groove on the stator is matched and clamped with the T-shaped clamping block on the cylindrical shell, and the stator is fastened through the fixed limiting ring and the movable limiting ring, so that the mounting stability of the stator is good; the cylindrical shell is firmly connected with the front end cover and the rear end cover through fixed sealing, and the running stability of the motor is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the front end cap removed;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is a partial exploded view of the first aspect of the present invention;
FIG. 7 is a partial exploded view of the second aspect of the present invention;
FIG. 8 is an enlarged view at C of FIG. 7;
FIG. 9 is a schematic view of a cartridge housing of the present invention;
FIG. 10 is a schematic view of the cartridge housing and stator of the present invention being snap fitted;
fig. 11 is a schematic view of a heat dissipation assembly of the present invention.
In the figure: 1. a cylindrical shell, 101, a T-shaped fixture block, 102, a fixed limiting ring, 103, a limiting groove, 104, a positioning block, 105, a movable limiting ring, 106, a positioning groove, 107, a front fixing lug, 108, a rear fixing lug, 109, a front fixing ring, 1010, a rear fixing ring, 2, a front end cover, 201, a through hole, 202, a front caulking groove, 203, a front connecting lug, 204, a front snap ring, 205, a front sealing ring, 3, a rear end cover, 301, a rear caulking groove, 302, a rear connecting lug, 303, a rear snap ring, 304, a rear sealing ring, 4, a stator, 5, a rotor, 6, a rotating shaft, 7, a big fan, 8, a ventilation cavity 9, a heat dissipation mechanism, 91, a heat dissipation component, 92, a second bearing, 93, a big gear, 911, a bracket, 912, a small fan, 913, a fourth bearing, 914, a pinion, a small gear, a connecting shaft, 9111, a big bracket, 9112, a support rod, 9113, a small ring frame, 10, a heat, 12. and a third bearing 13 and a fixed support.
Detailed Description
The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 11, the motor with high heat dissipation efficiency provided by the embodiment of the present invention includes a cylindrical housing 1, a front end cover 2, a rear end cover 3, a stator 4, a rotor 5, a rotating shaft 6, and a large fan 7 which are coaxially arranged, the stator 4 is fixedly clamped in the cylindrical shell 1, the outer surface of the stator 4 and the inner peripheral wall of the cylindrical shell 1 form a ventilation cavity 8, the front end of the rotating shaft 6 penetrates through the front end cover 2 and is fixedly connected with the front end cover 2 through a first bearing 11, the rear end of the rotating shaft 6 is fixedly connected with the rear end cover 3 through a third bearing 12, the circumferential surface of the rotating shaft 6 is fixedly connected with the rotor 5, the rotor 5 is positioned in the stator 4, the large fan 7 is fixedly arranged at the rear end of the rotating shaft 6, the large fan 7 is positioned at the front side of the third bearing 12, and the heat dissipation mechanism 9 is arranged at the position of the rotating shaft 6, which is positioned at the rear side of the first bearing 11; the heat dissipation mechanism 9 comprises a heat dissipation assembly 91, a second bearing 92 and a gearwheel 93, the heat dissipation assembly 91 is fixedly connected with the rotating shaft 6 through the second bearing 92, the gearwheel 93 is fixedly connected with the rotating shaft 6 and is positioned on the front side of the heat dissipation assembly 91, and the gearwheel 93 is meshed with the heat dissipation assembly 91; the front end and the rear end of the cylindrical shell 1 are respectively fixedly sealed with the front end cover 2 and the rear end cover 3, heat dissipation holes 10 are formed in the front end cover 2 and the rear end cover 3, a filter screen for preventing water and dust is arranged in the heat dissipation holes 10, and a fixing support 13 is arranged on the peripheral wall of the cylindrical shell 1.
In this embodiment, the heat dissipation assembly 91 includes a bracket 911, a plurality of small fans 912, a plurality of fourth bearings 913, a plurality of small gears 914, and a plurality of connecting shafts 915, the number of the fourth bearings is the same as the number of the small fans 912, the number of the small gears 914, and the number of the connecting shafts 915, respectively, the middle portion of the bracket 911 is fixedly connected with the rotating shaft 6 through the second bearings 92, all the connecting shafts 915 are uniformly distributed at the edge of the bracket, each connecting shaft 915 is fixedly connected with the bracket 911 through the fourth bearings 913, the rear end of each connecting shaft 915 is fixedly connected with the small fan 912, the front end of each connecting shaft 915 is fixedly connected with the small gear 914, and the small gear 914 is meshed with the large gear 93; the rotating shaft 6 drives the large fan 7 and the large gear 93 to rotate at the same time, so that resources are saved to a certain extent, and the cost is reduced; when the motor is used, the rotating shaft 6 drives the big fan 7 and the big gear 93 to rotate, the big gear 93 is meshed with the small gear 914 to rotate, the connecting shaft 915 drives the small fan 912 to rotate along with the rotation of the small gear 914, the big fan 7 and the small fan 912 generate cold air, the cold air circulates through the ventilation chamber, heat generated in the motor is timely dissipated by combining the heat dissipation holes 10, the motor still has a good heat dissipation effect when used in a high-temperature environment or for a long time, the damage of the motor due to heating is reduced, and the service life of the motor is prolonged.
In this embodiment, the support 911 includes a large ring frame 9111, a plurality of branch 9112 and a plurality of small ring frame 9113, the quantity of small ring frame 9113 is the same with the quantity of branch 9112, the quantity of fourth bearing 913 respectively, all branch 9112 circumference evenly arranges the periphery wall at large ring frame 9111, one little ring frame 9113 of the other end fixed connection of branch 9112, the internal perisporium of large ring frame 9111 and the periphery wall fixed connection of second bearing 92, the internal perisporium of second bearing 92 and the global fixed connection of pivot 6, the internal perisporium of small ring frame 9113 and the periphery wall fixed connection of fourth bearing 913, the internal perisporium and the connecting axle 915 fixed connection of fourth bearing 913.
In this embodiment, the inner circumferential wall of the cylindrical housing 1 is provided with T-shaped fixture blocks 101 uniformly arranged in the circumferential direction, and the outer circumferential wall of the stator 4 is provided with inverted T-shaped grooves correspondingly matched with the T-shaped fixture blocks 101; the front ends of all the T-shaped fixture blocks 101 are fixedly connected with fixed limiting rings 102, the rear ends of all the T-shaped fixture blocks 101 are provided with limiting grooves 103, and movable limiting rings 105 are fixed in the limiting grooves 103 through bolts; the movable limiting ring 105 is provided with support lugs which are uniformly arranged in the circumferential direction and are correspondingly matched with the T-shaped fixture blocks 101, each support lug is provided with a connecting hole, the position, corresponding to the T-shaped fixture blocks 101, of the limiting groove 103 is respectively provided with a connecting counter bore matched with the connecting hole, and the connecting holes and the connecting counter bores are connected through bolts to fix the movable limiting ring 105 in the limiting groove 103; a positioning block 104 is arranged on the limiting groove 103 of one of the T-shaped clamping blocks 101, and a positioning groove 106 matched with the positioning block 104 is arranged on one of the lugs, so that the movable limiting ring 105 and the limiting groove 103 are quickly and fixedly connected; the inverted T-shaped groove on the stator 4 is matched and clamped with the T-shaped clamping block 101 on the cylindrical shell 1, and is fastened through the fixed limiting ring 102 and the movable limiting ring 105, so that the stator 4 is good in installation stability.
In this embodiment, a through hole 201 is provided in the middle of the side wall of the front end cover 2, through which the front end of the rotating shaft 6 passes and is coaxially arranged, a front caulking groove 202 is provided in the side wall of the front end cover 2, which is coaxially arranged with the through hole 201, the inner peripheral wall of the front caulking groove 202 is fixedly connected with the outer peripheral wall of the first bearing 11, the inner peripheral wall of the first bearing 11 is fixedly connected with the peripheral surface of the rotating shaft 6, and the inner diameter of the first bearing 11 is smaller than the aperture of the through hole 201; preferably, rear caulking groove 301 of coaxial arrangement is provided with in the middle part of the rear end cover 3 inside wall, the internal perisporium of rear caulking groove 301 and the periphery wall fixed connection of third bearing 12, the internal perisporium of third bearing 12 and the global fixed connection of pivot 6, preceding caulking groove 202, rear caulking groove 301 coaxial arrangement have ensured the concentric rotation of pivot 6.
In this embodiment, a front fixing lug 107 is disposed at the front end of the outer peripheral wall of the cylindrical shell 1, a front connecting lug 203 matched with the front fixing lug 107 is disposed on the outer peripheral wall of the port of the front end cover 2, a front fixing ring 109 is disposed on the front fixing lug 107, a front fixing ring groove matched with the front clamping ring is disposed on the front connecting lug 203, a front snap ring 204 with an L-shaped transverse slope is disposed on the inner peripheral wall of the port of the front end cover 2, a front seal ring 205 is connected in the front snap ring 204, the front connecting lug 203 and the front fixing lug 107 are connected by a bolt, the front fixing ring 109 abuts in the front fixing ring groove, and the front seal ring 205 abuts on the side ring surface of the cylindrical shell 1, so that the front end cover 2 and the cylindrical shell 1 are fixedly sealed; the rear end of the periphery wall of tube-shape shell 1 is provided with back fixed ear 108, the periphery wall of 3 ports of rear end cap is provided with and fixes ear 108 complex back engaging lug 302 after with, be provided with back solid ring 1010 on the back fixed ear 108, be provided with back joint ring complex back solid ring groove on the back engaging lug 302, the internal perisporium of 3 ports of rear end cap is provided with horizontal plane and is the back snap ring 303 of L type, back snap ring 303 in-connection has back sealing washer 304, back engaging lug 302 and back fixed ear 108 pass through bolted connection and back solid ring 1010 butt in back solid ring groove, back sealing washer 304 support tightly make rear end cap 3 and tube-shape shell 1 fixed seal on the side anchor ring face of tube-shape shell 1, make tube-shape shell 1 and front end cap 2, rear end cap 3 firm through fixed seal connection respectively, guarantee motor moving stability.
In summary, the large fan and the heat dissipation mechanism generate cold air through the ventilation chamber formed between the stator and the cylindrical shell, the cold air is circulated through the ventilation chamber, and heat generated in the motor is dissipated in time by combining with the heat dissipation holes, so that the motor still has a good heat dissipation effect in a high-temperature environment or after the motor is used for a long time, the damage of the motor due to heating is reduced, and the service life of the motor is prolonged; the heat dissipation mechanism is provided with a heat dissipation assembly and a large gear, the heat dissipation assembly is provided with a small fan, a small gear and a connecting shaft, the rotating shaft drives the large fan and the large gear to rotate simultaneously, the large gear is meshed with the small gear to rotate, the connecting shaft drives the small fan to rotate along with the rotation of the small gear, extra power driving equipment is not needed, resources are saved to a certain extent, and the cost is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (10)
1. A motor with high heat dissipation efficiency comprises a cylindrical shell, a front end cover, a rear end cover, a stator, a rotor, a rotating shaft and a large fan which are coaxially arranged, and is characterized in that the stator is fixedly clamped inside the cylindrical shell, the outer surface of the stator and the inner peripheral wall of the cylindrical shell form a ventilation cavity, the front end of the rotating shaft penetrates through the front end cover and is fixedly connected with the front end cover through a first bearing, the rear end of the rotating shaft is fixedly connected with the rear end cover through a third bearing, the peripheral surface of the rotating shaft is fixedly connected with the rotor, the rotor is located inside the stator, the large fan is fixedly arranged at the rear end of the rotating shaft, the large fan is located on the front side of the third bearing, and a heat dissipation mechanism is arranged at the position of the rotating shaft, which;
the heat dissipation mechanism comprises a heat dissipation assembly, a second bearing and a gearwheel, the heat dissipation assembly is fixedly connected with the rotating shaft through the second bearing, the gearwheel is fixedly connected with the rotating shaft and positioned on the front side of the heat dissipation assembly, and the gearwheel is meshed with the heat dissipation assembly; the front end and the rear end of the cylindrical shell are respectively fixedly sealed with the front end cover and the rear end cover, heat dissipation holes are formed in the front end cover and the rear end cover, filter screens for water and dust prevention are arranged in the heat dissipation holes, and fixing supports are arranged on the peripheral wall of the cylindrical shell.
2. The motor of claim 1, wherein the heat dissipation assembly comprises a support, a plurality of small fans, a plurality of fourth bearings, a plurality of small gears, and a plurality of connection shafts, the middle of the support is fixedly connected with the rotation shaft through the second bearings, all the connection shafts are uniformly and respectively arranged at the edge of the support, each connection shaft is fixedly connected with the support through the fourth bearings, the rear end of each connection shaft is fixedly connected with the small fan, the front end of each connection shaft is fixedly connected with the small gear, and the small gear is engaged with the large gear.
3. The motor of claim 2, wherein the support comprises a large ring frame, a plurality of support rods and a plurality of small ring frames, all the support rods are circumferentially and uniformly arranged on the outer peripheral wall of the large ring frame, each support rod is fixedly connected with one small ring frame at the other end, the inner peripheral wall of the large ring frame is fixedly connected with the outer peripheral wall of the second bearing, the inner peripheral wall of the second bearing is fixedly connected with the peripheral surface of the rotating shaft, the inner peripheral wall of the small ring frame is fixedly connected with the outer peripheral wall of the fourth bearing, and the inner peripheral wall of the fourth bearing is fixedly connected with the connecting shaft.
4. The motor with high heat dissipation efficiency as recited in claim 1, wherein T-shaped fixture blocks are uniformly arranged in the circumferential direction on the inner circumferential wall of the cylindrical housing, and inverted T-shaped grooves corresponding to the T-shaped fixture blocks are formed on the outer circumferential wall of the stator; the front ends of all the T-shaped clamping blocks are fixedly connected with fixed limiting rings, the rear ends of all the T-shaped clamping blocks are provided with limiting grooves, and movable limiting rings are fixed in the limiting grooves through bolts.
5. The motor with high heat dissipation efficiency as recited in claim 4, wherein the movable limiting ring is provided with support lugs which are circumferentially and uniformly arranged and are correspondingly matched with the T-shaped fixture blocks, each support lug is provided with a connecting hole, the limiting groove is respectively provided with connecting counter bores matched with the connecting holes corresponding to the T-shaped fixture blocks, and the connecting holes and the connecting counter bores are connected through bolts to fix the movable limiting ring in the limiting groove.
6. The motor with high heat dissipation efficiency as recited in claim 5, wherein a positioning block is disposed on the limiting groove of one of the T-shaped fixture blocks, and a positioning groove engaged with the positioning block is disposed on one of the lugs.
7. The motor with high heat dissipation efficiency as claimed in claim 1, wherein a through hole is formed in the middle of the side wall of the front end cover, the front end of the rotating shaft passes through the through hole and is coaxially arranged, a front caulking groove is formed in the side wall of the front end cover and is coaxially arranged with the through hole, the inner peripheral wall of the front caulking groove is fixedly connected with the outer peripheral wall of the first bearing, the inner peripheral wall of the first bearing is fixedly connected with the peripheral surface of the rotating shaft, and the inner diameter of the first bearing is smaller than the diameter of the through hole.
8. The motor with high heat dissipation efficiency as claimed in claim 1, wherein a rear caulking groove is coaxially arranged in the middle of the inner side wall of the rear end cover, an inner peripheral wall of the rear caulking groove is fixedly connected with an outer peripheral wall of a third bearing, and an inner peripheral wall of the third bearing is fixedly connected with a peripheral surface of the rotating shaft.
9. The motor of claim 1, wherein a front fixing lug is arranged at the front end of the outer peripheral wall of the cylindrical shell, a front connecting lug matched with the front fixing lug is arranged on the outer peripheral wall of the front end cover port, a front fixing ring is arranged on the front fixing lug, a front fixing ring groove matched with the front clamping ring is arranged on the front connecting lug, a front clamping ring groove with an L-shaped transverse inclined plane is arranged on the inner peripheral wall of the front end cover port, a front sealing ring is connected in the front clamping ring, the front connecting lug and the front fixing lug are connected through a bolt, the front fixing ring is abutted in the front fixing ring groove, and the front sealing ring is abutted on the side ring surface of the cylindrical shell to fixedly seal the front end cover and the cylindrical shell.
10. The motor of claim 1, wherein a rear fixing lug is arranged at the rear end of the outer peripheral wall of the cylindrical shell, a rear connecting lug matched with the rear fixing lug is arranged on the outer peripheral wall of the rear end cover port, a rear fixing ring is arranged on the rear fixing lug, a rear fixing ring groove matched with the rear clamping ring is arranged on the rear connecting lug, a rear clamping ring groove with an L-shaped transverse inclined plane is arranged on the inner peripheral wall of the rear end cover port, a rear sealing ring is connected in the rear clamping ring, and the rear connecting lug and the rear fixing lug are connected through a bolt, abut against the rear fixing ring groove, abut against the rear sealing ring in the rear fixing ring groove, and abut against the rear sealing ring on the side ring surface of the cylindrical shell to fixedly seal the rear end cover and the cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593581.6A CN112751461B (en) | 2020-12-29 | 2020-12-29 | Motor with high heat dissipation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593581.6A CN112751461B (en) | 2020-12-29 | 2020-12-29 | Motor with high heat dissipation efficiency |
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| Publication Number | Publication Date |
|---|---|
| CN112751461A true CN112751461A (en) | 2021-05-04 |
| CN112751461B CN112751461B (en) | 2022-04-26 |
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| CN202011593581.6A Active CN112751461B (en) | 2020-12-29 | 2020-12-29 | Motor with high heat dissipation efficiency |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183735A (en) * | 2021-06-10 | 2021-07-30 | 徐州鸿润达电动车有限公司 | Installation fixing device for electric tricycle motor |
| CN114374299A (en) * | 2022-01-08 | 2022-04-19 | 领先科技(东台)有限公司 | Filter element cup joints assembled motor |
| CN114785048A (en) * | 2022-06-22 | 2022-07-22 | 佛山登奇伺服科技有限公司 | Servo motor with protective structure |
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| CN113183735A (en) * | 2021-06-10 | 2021-07-30 | 徐州鸿润达电动车有限公司 | Installation fixing device for electric tricycle motor |
| CN113183735B (en) * | 2021-06-10 | 2023-10-20 | 徐州鸿润达电动车有限公司 | Installation fixing device for electric tricycle motor |
| CN114374299A (en) * | 2022-01-08 | 2022-04-19 | 领先科技(东台)有限公司 | Filter element cup joints assembled motor |
| CN114374299B (en) * | 2022-01-08 | 2023-03-17 | 领先科技(东台)有限公司 | Filter element cup joints assembled motor |
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| CN114785048B (en) * | 2022-06-22 | 2022-09-27 | 佛山登奇伺服科技有限公司 | Servo motor with protective structure |
| CN115664089A (en) * | 2022-12-15 | 2023-01-31 | 广东顺德伊安电机有限公司 | Waterproof fan motor |
| CN117977864A (en) * | 2024-04-02 | 2024-05-03 | 久崎电机(常州)有限公司 | Motor with good overall sealing performance |
| CN117977864B (en) * | 2024-04-02 | 2024-06-04 | 久崎电机(常州)有限公司 | Motor with good overall sealing performance |
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