CN217590455U

CN217590455U - Motor casing

Info

Publication number: CN217590455U
Application number: CN202221665417.6U
Authority: CN
Inventors: 廖辉和
Original assignee: Foshan Hechuan Motor Technology Co ltd
Current assignee: Foshan Hechuan Motor Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-14
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to the technical field of motors, in particular to a motor shell, which comprises a frame, wherein the frame is a cylinder with an accommodating cavity inside and openings at two ends, a plurality of radiating fins are uniformly distributed on the circumference of the outer surface of the frame, and a radiating channel is formed between every two adjacent radiating fins; the front end cover is buckled and installed on an opening at one end of the base, a plurality of installation holes are circumferentially arrayed on the front end cover, a heat dissipation groove is formed in one side of the front end cover, and a connecting groove is formed in the position, far away from the heat dissipation groove, of the other side of the front end cover; the fan cover is sleeved on the outer side of the base and is formed by splicing 8 fan cover plates, and the fan cover plate comprises an installation part, a clamping part and a connecting part; the utility model discloses simple structure, preparation are simple and convenient, effectively improve motor frame stability and rigidity, avoid the frame to warp and reduce the frame vibration, and connection structure between fan housing and the frame is stable simultaneously, and simple to operate has further promoted the radiating efficiency of motor.

Description

Motor casing

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a motor casing is related to.

Background

The motor is mainly used for converting electric energy into mechanical energy so as to generate driving torque as a power source of various mechanical equipment; after the motor continuously operates, heat is generated due to various reasons, the reliable operation of the motor is influenced, and the power density is reduced, so in order to improve the performance of the motor, various cooling modes such as air cooling, water cooling, oil cooling and the like are generally adopted, or the volume of the motor is increased to improve the performance heat dissipation effect of the motor. The traditional industrial motor generally uses a self-cooling fan blade and a fan cover to match with a shell fin to finish heat dissipation, the traditional fin adopts an axial straight strip structure, and the blade rotates to drive air to pass through the shell and the surface of the fin along the axial direction of the motor to finish heat dissipation.

The existing motor shell is generally a circular cylinder, the heat dissipation capability of the shell is poor, and the structural design of the fan cover on the shell is unreasonable, so that heat generated by elements in the shell during working is not easy to dissipate in time. Meanwhile, the strength of the shell is low, the shell is easily deformed by external force, and then the shell easily extrudes elements in the shell, so that the elements are easily extruded and damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defect that proposes in the above-mentioned background art, the utility model aims at providing a motor casing has stronger heat dispersion, and the heat that the inside component during operation of motor casing produced can in time follow the frame effluvium, makes motor casing have stronger structural strength simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the cover plate comprises a front cover plate and a rear cover plate, two ends of the base are fixedly connected with the front cover plate and the rear cover plate respectively, the air guide ring is connected between the base and the front cover plate in an embedded mode, the air cover is sleeved on the outer side of the base, the position, corresponding to the air guide ring, of the net cover is fixedly connected to the front cover plate, a hollow accommodating cavity is formed in the base, a plurality of radiating fins are circumferentially distributed on the outer side of the base at intervals, each radiating fin extends along the length direction of the base, a radiating channel is formed between every two adjacent radiating fins, a cross-shaped mounting groove is formed at the other end of each radiating fin at an interval, and the cross-shaped mounting groove is connected with the air cover in a clamped mode.

Through adopting above-mentioned technical scheme, utilize the air to cool off to the frame is inside, and the inside some heat of motor gives off the heat through radiating fin's heat radiation mode moreover for above-mentioned motor frame reaches intensity height, good heat dissipation's effect, and then has improved the life of motor frame, and its simple structure, and stability is good, and the radiating efficiency is higher.

Preferably, the vertical section of the fan housing is in an octagonal structure, the top of the fan housing is provided with a chute, the peripheral side wall of the fan housing is uniformly provided with a plurality of through holes for fixing with the base, a corner of one end of the fan housing, which is close to the air guide ring, is provided with a fixing plate, the fixing plate is provided with at least two mounting holes, and the air guide ring is fixedly connected with the mounting holes through screws.

Through adopting above-mentioned technical scheme, the fan housing adopts the octagonal structure, makes fan housing and motor housing corresponding, keeps the passageway uniformity of wind, has changed cooling air flow path, makes the cooling air distribute more evenly on the motor frame, reduces the windage loss simultaneously, improves fan cooling effect, increases motor efficiency and life.

Preferably, one side of the air guide ring is bent to form a fixing part, fixing holes are uniformly formed in the circumferential direction of the fixing part, and the inner diameter of the air guide ring is gradually increased outwards to form a horn-shaped structure.

By adopting the technical scheme, on one hand, the air guide ring can effectively reduce the noise of the fan, increase the energy attenuation in the air guide ring and reduce the noise transmission; on the other hand, the heat dissipation efficiency of the fan can be improved.

Preferably, the grid that is the annular setting is arranged to the screen panel, the diameter of grid increases gradually from inside to outside.

Through adopting above-mentioned technical scheme, the grid on the screen panel can play the effect of direction to wind for distribute outward from all directions along the grid when the heat distributes.

Preferably, the mesh enclosure is further provided with auxiliary guard bars along the longitudinal direction and the transverse direction of the grating, the auxiliary guard bars are distributed on the mesh enclosure in a staggered manner, and the auxiliary guard bars are fixedly connected to the middle position of the grating through welding.

Through adopting above-mentioned technical scheme, set up supplementary protection strip and can guarantee that operating personnel's external organs can not pass through, avoid the external organs carelessly to get into the back, contact the incident that the fan probably brought.

Preferably, the auxiliary protection strip is of an annular structure, a hollow connecting hole is formed in the middle of the auxiliary protection strip, and the auxiliary protection strip is fixedly connected to the air guide ring through a bolt.

Through adopting above-mentioned technical scheme, the screen panel is provided with the connecting hole and is fixed mutually with the wind-guiding circle for the screen panel is fixed firm, prevents to shake, produce the noise in fan operation in-process.

Preferably, the front cover plate and the rear cover plate are provided with center holes corresponding to the containing cavities and having the same size near the middle position, and the rear cover plate is provided with a plurality of positioning holes along the circumference of the center hole.

Through adopting above-mentioned technical scheme, the back shroud can make the motor have better bearing capacity to set up the locating hole and make back shroud and frame installation more accurate.

To sum up, the beneficial effects of the utility model are that:

the utility model discloses a combination assembly back shroud, fan housing, wind-guiding circle and screen panel on the frame, the outside of frame sets up a plurality of radiating fin and heat dissipation channel, has accelerated the heat dissipation of motor to increase motor efficiency and life, the back shroud can make the motor have better bearing capacity, and set up the locating hole and make back shroud and frame installation more accurate; meanwhile, the fan cover sleeved outside the motor base is of an octagonal structure, so that the fan cover corresponds to the motor shell, the consistency of air channels is kept, the flow path of cooling air is changed, the cooling air is distributed on the motor base more uniformly, the wind resistance loss is reduced, and the cooling effect of the fan is improved; the air guide ring arranged at the tail end of the base can effectively reduce the noise of the fan, increase the energy attenuation in the air guide ring and reduce the noise transmission on one hand, and can accelerate the heat dissipation efficiency of the fan on the other hand; the net cover is provided with the connecting hole and is fixed with the air guide ring, so that the net cover is firmly fixed, and vibration and noise are prevented from being generated in the running process of the fan.

Drawings

Fig. 1 is an exploded view of a motor housing of the present invention;

fig. 2 is a schematic structural diagram of the base of the present invention;

fig. 3 is a sectional view of the base of the present invention;

fig. 4 is a schematic structural view of the rear cover plate of the present invention;

fig. 5 is a schematic structural view of the fan housing of the present invention;

fig. 6 is a schematic structural view of the wind guide ring of the present invention;

fig. 7 is a sectional view of the wind guide ring of the present invention;

fig. 8 is a schematic structural view of the mesh enclosure of the present invention.

The reference numerals in the figures illustrate:

1. a machine base; 11. an accommodating cavity; 12. a heat dissipating fin; 13. a heat dissipation channel; 14. a cross mounting groove; 2. a cover plate; 21. a front cover plate; 22. a rear cover plate; 23. a central bore; 24. positioning holes; 3. a fan housing; 31. a chute; 32. a through hole; 33. a fixing plate; 34. mounting holes; 4. a wind guide ring; 41. a fixed part; 42. a fixing hole; 5. a mesh enclosure; 51. a grid; 52. an auxiliary protective strip; 53. and (4) connecting the holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A motor shell is disclosed, as shown in fig. 1 to 3, and comprises a base 1, a cover plate 2, a fan housing 3, an air guide ring 4 and a mesh enclosure 5, wherein the cover plate 2 comprises a front cover plate 21 and a rear cover plate 22, two ends of the base 1 are respectively fixedly connected with the front cover plate 21 and the rear cover plate 22, the air guide ring 4 is connected between the base 1 and the front cover plate 21 in an embedded manner, the fan housing 3 is sleeved on the outer side of the base 1, the mesh enclosure 5 is fixedly connected to the front cover plate 21 in a position corresponding to the air guide ring 4, a hollow accommodating cavity 11 is arranged in the base 1, a plurality of radiating fins 12 are circumferentially distributed at intervals on the outer side of the base 1, each radiating fin 12 extends along the length direction of the base 1, a radiating channel 13 is formed between two adjacent radiating fins 12, a cross mounting groove 14 is formed at the other end of each radiating fin 12, and the cross mounting groove 14 is connected with the fan housing 3 in a clamping manner.

Concretely, the holding chamber 11 of frame 1 inside is used for installing the stator, the rotor, other driving pieces such as pivot, in the course of the work of motor, its inside meeting part can produce a large amount of heats, consequently, need discharge the heat, reduce the temperature of motor, thereby prevent to damage the motor, reduce its life, consequently, evenly be provided with the radiating fin 12 that a plurality of intervals were arranged in the outside of frame 1, form radiating channel 13 between per two adjacent radiating fin 12, utilize the air to cool off frame 1 inside, and some heats of motor inside give off the heat through radiating fin 12's heat radiation mode, make above-mentioned frame 1 reach intensity height, the effect that the thermal diffusivity is good, and then the life of motor frame 1 has been improved, and its simple structure, good stability, the radiating efficiency is higher.

As shown in fig. 4 to 7, in the present embodiment, central holes 23 having the same size as the accommodating cavities 11 are formed in the front cover plate 21 and the rear cover plate 22 near the middle positions, and a plurality of positioning holes 24 are formed in the front cover plate and the rear cover plate along the circumference of the central holes 23;

specifically, the front cover plate 21 and the rear cover plate 22 can enable the motor to have better bearing capacity, and the positioning holes 24 are formed to enable the cover plate 2 and the machine base 1 to be installed more accurately.

Referring to fig. 5, a vertical section of the fan housing 3 is of an octagonal structure, a chute 31 is formed in the top of the fan housing 3, a plurality of through holes 32 for fixing with the base 1 are uniformly formed in the peripheral side wall of the fan housing 3, a fixing plate 33 is arranged on a corner of one end of the fan housing 3 close to the air guide ring 4, at least two mounting holes 34 are formed in the fixing plate 33, and the air guide ring 4 is fixedly connected with the mounting holes 34 through screws;

specifically, the fan cover 3 adopts an octagonal structure, so that the fan cover 3 corresponds to the motor shell, the consistency of air channels is kept, the flow path of cooling air is changed, the cooling air is distributed on the motor base 1 more uniformly, the wind resistance loss is reduced, and the cooling effect of the fan is improved; two side walls of the fan housing 3 are provided with 8 through holes 32 which are distributed at intervals, when the fan housing 3 is sleeved on the outer surface of the base 1, the positions of the through holes 32 correspond to the cross mounting grooves 14, so that the fan housing 3 can be fixedly connected in the cross mounting grooves 14 of the base 1 through the through holes 32 by fastening bolts; in addition, the top of the fan housing 3 is axially provided with a chute 31, and one side of the chute 31 is in an arc structure, so that the fan housing is conveniently connected with a wire collecting box arranged at the top of the base 1; the four corners of the tail of the fan housing 3 are provided with fixing plates 33, the fixing plates 33 are provided with mounting holes 34, the fixing plates 33 are fixedly connected with the front cover plate 21, the front cover plate 21 is used for mounting the mesh enclosure 5, and the front cover plate 21 and the rear cover plate 22 are connected together at two ends of the base 1 to form a sealed whole.

Referring to fig. 6 and 7, the wind-guiding ring 4 is disposed around the fan and/or the motor, one side of the wind-guiding ring 4 is bent to form a fixing portion 41, fixing holes 42 are uniformly formed in the fixing portion 41 in the circumferential direction, and the inner diameter of the wind-guiding ring 4 gradually increases outwards to form a horn-shaped structure;

specifically, the opening of the air guide ring 4 is in a horn-shaped structure, and the diameter of the opening at one end close to the motor fan is smaller than that of the outward opening, so that when the motor works, on one hand, the noise of the fan can be effectively reduced, the energy attenuation in the air guide ring 4 is increased, and the noise transmission is reduced; on the other hand, the heat dissipation efficiency of the fan can be improved.

As shown in fig. 8, a grid 51 arranged annularly is arranged on the mesh enclosure 5, and the diameter of the grid 51 gradually increases from inside to outside; the mesh enclosure 5 is further distributed with auxiliary guard strips 52 along the longitudinal direction and the transverse direction of the grating 51, the auxiliary guard strips 52 are mutually staggered on the mesh enclosure 5, and the auxiliary guard strips 52 are fixedly connected to the middle position of the grating 51 through welding; the auxiliary protection strip 52 is of an annular structure, the center of the auxiliary protection strip is provided with a connecting hole 53 fixedly connected with the front cover plate, and the auxiliary protection strip 52 is fixedly connected to the air guide ring 4 through a bolt.

It is specific, aim at the fixed orifices 42 on the wind-guiding circle 4 with connecting hole 53, and utilize the nut to couple together connecting hole 53, fixed orifices 42 and locating hole 24, thereby with front shroud 22, screen panel 5 is fixed on the mounting hole 34 of fan housing 3 together with wind-guiding circle 4, screen panel 5 is installed and can be opened the fan and carry out the work of dispelling the heat, because the utility model discloses screen panel 5 has set up grid 51, therefore the heat dissipation of blowing of fan is to giving off all around, has effectively improved the work efficiency of fan, and has supplementary protection strip 52 on grid 51, supplementary protection strip 52 along grid 51 horizontal and longitudinal distribution, adopt the protection of multiple protection network, make the space between the screen panel 5 little, external organs on the health can not pass through, can not appear these external organs mistake and get into the incident that the protection casing leads to, really reach the purpose of protection.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore, the method comprises the following steps: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A motor shell comprises a base, a cover plate, a fan cover, a wind guide ring and a net cover, and is characterized in that the cover plate comprises a front cover plate and a rear cover plate, two ends of the base are fixedly connected with the front cover plate and the rear cover plate respectively, the wind guide ring is connected between the base and the front cover plate in an embedded mode, the fan cover is sleeved on the outer side of the base, the net cover is fixedly connected to the front cover plate in a position corresponding to the wind guide ring, a hollow accommodating cavity is formed in the base, a plurality of radiating fins are circumferentially distributed on the outer side of the base at intervals, the radiating fins extend along the length direction of the base, a radiating channel is formed between every two adjacent radiating fins, a cross-shaped mounting groove is formed in the other end of each radiating fin at intervals, and the cross-shaped mounting groove is connected with the fan cover in an embedded mode.

2. The motor casing according to claim 1, wherein the vertical section of the fan housing is octagonal, the top of the fan housing is provided with a chute, the peripheral side wall of the fan housing is uniformly provided with a plurality of through holes for fixing with the base, a corner of one end of the fan housing, which is close to the wind guide ring, is provided with a fixing plate, the fixing plate is provided with at least two mounting holes, and the wind guide ring is fixedly connected with the mounting holes through screws.

3. The motor casing according to claim 2, wherein one side of the wind-guiding ring is bent to form a fixing portion, the fixing portion is circumferentially and uniformly provided with fixing holes, and an inner diameter of the wind-guiding ring gradually increases outwards to form a trumpet-shaped structure.

4. The motor housing according to claim 1, wherein the mesh has a grid disposed thereon in an annular arrangement, the grid having a diameter that gradually increases from the inside to the outside.

5. The motor housing according to claim 4, wherein the mesh cover further includes auxiliary guard bars distributed along longitudinal and transverse directions of the grating, the auxiliary guard bars are distributed on the mesh cover in a staggered manner, and the auxiliary guard bars are fixedly connected to the middle of the grating by welding.

6. The motor housing according to claim 5, wherein the auxiliary guard bar is of an annular configuration with a hollow connection hole disposed therebetween, and is fixedly connected to the wind guide ring by a bolt.

7. The motor casing according to claim 1, wherein the front cover plate and the rear cover plate have central holes with the same size corresponding to the receiving cavities at positions near the middle, and the rear cover plate has a plurality of positioning holes along the circumference of the central holes.