CN217159482U

CN217159482U - Prevent overheated motor

Info

Publication number: CN217159482U
Application number: CN202221042475.3U
Authority: CN
Inventors: 朱一冰; 王程凯; 朱云虎
Original assignee: Wuxi Yisheng Automotive Motor Co ltd
Current assignee: Wuxi Yisheng Automotive Motor Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-09
Anticipated expiration: 2032-05-05

Abstract

The utility model provides a prevent overheated motor, include: the motor comprises a motor body, a protective rear cover, a ventilation baffle and a ventilation fan, wherein the protective rear cover is arranged at the rear end of the motor body and is provided with an installation surface and an open surface corresponding to the installation surface; the utility model discloses an establish replacement gas fan and the separation blade of taking a breath in the lid behind the protection, realize exchanging the inside hot gas flow of motor body, in addition through set up movable clamp plate and brush on the fan of taking a breath, can realize cleaning the separation blade of taking a breath, and then realized the radiating effect.

Description

Prevent overheated motor

Technical Field

The utility model relates to the technical field of motors, particularly, relate to a prevent overheated motor.

Background

The motor is at the operation in-process, the continuous gathering of produced heat increase along with time, make the inside temperature of motor rise gradually, thereby influence the working property of motor internals, also influence the life of each part, among the prior art, lead to the motor to have overheated phenomenon in order to prevent that the inside heat of motor from piling up, be provided with the fan inside the motor, but the fan in the motor heat dissipation in-process needs a large amount of air currents constantly to circulate inside the motor, realize radiating in-process air current at air current constantly circulating, the dust of clamp in the air current can be detained at the hole inner wall of taking a breath, can cause the jam of hole of taking a breath in the past in the long term, and then lead to the motor to be difficult to the heat dissipation.

Therefore, it is necessary to develop a motor that is protected from overheating.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent overheated motor and solve above-mentioned problem.

In order to achieve the above object, an embodiment of the present invention provides a prevent overheated motor, include: the novel motor comprises a motor body, a protective rear cover, a ventilation baffle and a ventilation fan, wherein the protective rear cover is arranged at the rear end of the motor body, the protective rear cover is provided with an installation surface and an open surface corresponding to the installation surface, a groove is formed in the installation surface, the groove is formed in the installation surface and is sunken towards the open surface, the ventilation fan is accommodated in the groove, the ventilation baffle is arranged on the open surface, the ventilation fan comprises blades, driven support rings are arranged at the edge positions of the blades and face towards one sides of the open surface, movable press plates are fixedly arranged on one sides of the open surface, the movable press plates are provided with polished surfaces and cleaning surfaces corresponding to the polished surfaces, and bristles are arranged on the cleaning surfaces.

Further, a hollow support plate is arranged in the groove, and the ventilation fan is erected on the hollow support plate.

Furthermore, a limiting groove is formed in the open face, and the air exchange blocking piece is partially embedded in the limiting groove.

Furthermore, the limiting groove is provided with a first inner side wall and a second inner side wall corresponding to the first inner side wall, and the second inner side wall is close to the opening surface.

Furthermore, a plurality of movable holes are formed in the first inner side wall, a plurality of transverse short columns are fixed on one side of the ventilation blocking sheet and matched with the movable holes, the transverse short columns extend into the movable holes and extend to the outside of the first inner side wall, and at the moment, the transverse short columns contact the polished surface.

Furthermore, cover after the protection and be fixed with a plurality of reset spring, reset spring's one end is fixed on the second inside wall, reset spring's the other end with it is fixed to take a breath the separation blade.

Furthermore, the ventilation baffle plate is a heat conducting sheet, and the heat conducting coefficient of the heat conducting sheet is 200-600W/m.K.

Furthermore, a plurality of heat dissipation holes are formed in the surface of the ventilation blocking piece, the depth of each heat dissipation hole is smaller than the length of the corresponding brush hair, and when the movable pressing plate rotates, the brush hair extends into the heat dissipation holes.

Further, the heat dissipation holes are obliquely arranged on the ventilation baffle plate, and the intersection angle between the central axis of the heat dissipation holes and the central axis of the ventilation baffle plate is 20-60 degrees.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has: through establish replacement air fan and the separation blade of taking a breath in the lid behind the protection, realize the inside hot gas flow exchange of motor body, realize filtering the dust that the air current carried through setting up the separation blade of taking a breath, in addition through set up movable clamp plate and brush on the air fan of taking a breath, can realize cleaning the separation blade of taking a breath, and then realized the radiating effect.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a perspective view of a preferred embodiment of an anti-overheating electric machine of the present invention;

fig. 2 is an exploded view of a preferred embodiment of an overheat protection motor according to the present invention;

fig. 3 is a perspective view of the preferred embodiment of the ventilation fan of the present invention;

FIG. 4 is a perspective view of the preferred embodiment of the ventilation baffle of the present invention;

FIG. 5 is a cross-sectional view of a preferred embodiment of the protective rear cover of the present invention;

fig. 6 is a side view of a preferred embodiment of the movable platen of the present invention.

Wherein, 1, the motor body; 2. a protective rear cover; 21. a limiting groove; 211. a first inner side wall; 212. a second inner side wall; 22. a movable hole; 23. a return spring; 24. hollowing out the supporting plate; 25. a mounting surface; 26. an open face; 3. a ventilation baffle plate; 31. heat dissipation holes; 32. a transverse stub; 4. a ventilation fan; 41. a blade; 42. a driven support ring; 43. a movable pressing plate; 44. cleaning the surface; 45. and (4) a smooth surface.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Referring to fig. 1 to 2, fig. 1 is a perspective view of a preferred embodiment of an overheat prevention motor according to the present invention; fig. 2 is an exploded view of a preferred embodiment of the anti-overheating motor of the present invention. As shown in fig. 1 to 2, the utility model provides a prevent overheated motor includes: the motor comprises a motor body 1, a protective rear cover 2, a ventilation baffle 3 and a ventilation fan 4, wherein the protective rear cover 2 is arranged at the rear end of the motor body 1, a rotating shaft is arranged at the front end of the motor body 1, the protective rear cover 2 comprises an installation surface 25 and an open surface 26, a groove is formed in the installation surface 25, the groove is sunken from the installation surface 25 to the open surface 26, the ventilation fan 4 is accommodated in the groove, and the ventilation baffle 3 is arranged on the open surface 26; the motor comprises a motor body 1, a protective rear cover 2 is arranged on one side of the motor body 1, the protective rear cover 2 forms a hollow cavity in the interior of the motor body 1, a ventilation fan 4 is arranged in the hollow cavity, a ventilation baffle 3 is arranged on the protective rear cover 2, the main purpose of the design is to ensure that the motor body 1 produces heat in long-time continuous work, the heat can be taken away when air flows on two sides of the ventilation baffle 3 are exchanged under the effect of the ventilation fan 4, the radiating effect is further realized, and the phenomenon of overheating of the motor body 1 in long-time use is effectively avoided.

Referring to fig. 2 in conjunction with fig. 3 and 6, fig. 3 is a perspective view of a preferred embodiment of the ventilation fan 4 of the present invention, and fig. 6 is a side view of a preferred embodiment of the movable platen of the present invention. As shown in fig. 2 to 3 and fig. 6, the ventilation fan 4 is disposed in the hollow cavity formed by the protective rear cover 2, wherein the ventilation fan 4 mainly functions to increase the air flow circulation speed inside the motor body 1, so as to increase the heat dissipation speed, and effectively play a role in heat dissipation, and other components on the ventilation fan 4 are specifically described below, the ventilation fan 4 includes a blade 41, the rotation of the blade 41 can drive the air circulation inside the protective rear cover 2, the continuous exchange of air inside and outside the motor body 1 can increase the heat dissipation, meanwhile, a driven support ring 42 is mounted at the edge position of the blade 41, a movable pressure plate 43 is fixedly disposed on one side of the driven support ring 42 facing the opening surface 26, the movable pressure plate 43 has a smooth surface 45 and a cleaning surface 44 corresponding to the smooth surface 45, and bristles are disposed on the cleaning surface 44; the driven supporting ring 42 rotates along with the rotation of the blade 41, and therefore, the movable pressing plate 43 rotates synchronously along with the rotation of the driven supporting ring 42, it should be further described that a cleaning surface 44 is arranged on the movable pressing plate 43, the cleaning surface 44 is used for cleaning the ventilation blocking plate 3, and when the movable pressing plate 43 drives the brush 44 to rotate, the cleaning surface 44 realizes the cleaning effect on the ventilation blocking plate 3 by rubbing the surface of the ventilation blocking plate 3.

Referring to fig. 2 in conjunction with fig. 5, fig. 5 is a cross-sectional view of a preferred embodiment of the protective rear cover 2 of the present invention. As shown in fig. 2 and 5, the open surface 26 is provided with a limiting groove 21, the ventilation baffle 3 is disposed in the limiting groove 21, the limiting groove 21 has a first inner side wall 211 and a second inner side wall 212 corresponding to the first inner side wall 211, and the second inner side wall 212 is close to the open surface 26; it should be further noted that the edge of the ventilation blocking sheet 3 is embedded in the limiting groove 21, and the ventilation blocking sheet 3 is used for separating the air inside and outside the motor body 1, so that different air exchange spaces are formed at two sides of the protective rear cover 2, and one side of the protective rear cover 2 and one side of the ventilation blocking sheet 3 are in the cavity inside the motor body 1, the hot air flows to the other side of the ventilation blocking sheet 3 until the hot air flows to the outside of the motor body 1, and meanwhile, the air flow outside the motor body 1 passes through the ventilation blocking sheet 3 and enters the motor body 1, and is discharged outside the motor body 1 again after taking away heat, so that the heat dissipation effect is realized by repeated circulation, a plurality of movable holes 22 are opened on the first inner side wall 211, a plurality of transverse short columns 32 are fixed at one side of the ventilation blocking sheet 3, the transverse short columns 32 are matched with the movable holes 22, the transverse short columns 32 extend into the movable holes 22 and extend to the outside of the first inner side wall 211, the transverse stub 32 now contacts the optical face 45; the main purpose of this design is to make the ventilation baffle 3 have a certain space for moving forward and backward after being fixed in the limiting groove 21, under the action of the return spring 23, the ventilation flap 3 can move back and forth between the first inner side wall 211 and the second inner side wall 212 and impact with the side walls, during the impacting process, the dust cleaned by the cleaning surface 44 can be further shaken off to the outside of the motor body 1, a plurality of return springs 23 are fixed on the protective rear cover 2, one end of each return spring 23 is fixed on the second inner side wall 212, the other end of each return spring 23 is fixed with the ventilation baffle 3, in the initial state, the return spring 23 can support a transverse stud 32 on the side of the gas flap 3 extending beyond the movable aperture 22, and the distance between the free end of the transverse short column 32 and the inner side wall of the protective rear cover 2 is larger than the distance between the movable pressing plate 43 and the inner side wall of the protective rear cover 2; the main purpose of this design is to allow the movable pressure plate 43 to press the transverse stud 32 during rotation, so that the ventilation flap 3 supported by the return spring 23 moves back and forth between the first inner sidewall 211 and the second inner sidewall 212 and impacts the sidewalls; be provided with fretwork backup pad 24 in the recess, ventilation fan 4 erects on fretwork backup pad 24, and is concrete, the primary function of fretwork backup pad 24 is used for fixed ventilation fan 4, make ventilation fan 4 install in the cavity that lid 2 formed after the protection, and simultaneously, fretwork backup pad 24 is for the main purpose of fretwork setting is for the convenience of the heat that produces in the motor body 1 outside one side flow of lid 2 after the protection is scattered to motor body 1, and then can effectually avoid long-time piling up of heat to cause the damage of other inside component parts of motor body 1 in motor body 1.

Referring to fig. 2 in conjunction with fig. 3 to 4, fig. 4 is a perspective view of a preferred embodiment of the ventilation baffle 3 of the present invention. As shown in fig. 2 to 4, the ventilation baffle 3 is a heat conducting sheet, and herein, the heat conducting sheet needs to satisfy the following requirements: the thermal conductivity is 200-600W/m.K. Such as: red copper (heat conductivity is 386.4W/m.K), has good electric conductivity and thermal conductivity, plasticity is excellent, the conducting strip can adopt red copper, the baffle 3 of taking a breath has stronger heat conduction effect, can absorb the heat that the air current brought realizes the radiating effect, in addition, red copper has stronger plasticity simultaneously, the baffle 3 of taking a breath can be the arc design, the main purpose of this design is reinforcing area of taking a breath, accelerate the radiating rate, a plurality of louvres 31 have been seted up on the surface of baffle 3 of taking a breath, the degree of depth of louvre 31 is less than the length of brush hair, when activity clamp plate 43 rotates, the brush hair stretches into in the louvre 31, the setting of louvre 31 slope is on the baffle 3 of taking a breath, the central axis of louvre 31 and the crossing contained angle of the central axis of baffle 3 of taking a breath are 20-45, the main purpose of this design is for, let the dust that is detained in the louvre 31 of taking a breath push the dust to the heat dissipation in the baffle 31 in the friction process of cleaning face 44 and continuous 3 of taking a breath extrudeing a breath in the louvre 31 Hole 31 is outside, realizes the cleanness in the louvre 31, and is concrete, and the main effect of louvre 31 is the effect of realizing taking a breath, plays the effect of the miscellaneous dirt in the baffle 3 outside air of filtering taking a breath simultaneously, with the timely cleanness of cleaning surface 44 and the baffle 3 that takes a breath realize good radiating effect under spacing groove 21 both sides wall striking effect.

The utility model discloses a concrete work flow is: in motor body 1 normal use in-process, ventilation fan 4 is used for realizing the air current exchange effect of motor body 1 inside and outside, when gaseous 2 outsides of lid enter into after the protection on motor body 1, gaseous can pass louvre 31, this process can realize the dirt effect of straining, the air current that enters into in motor body 1 is through absorbing inside heat under the temperature difference effect, when inside air current is discharged, ventilation fan 4's rotation can drive activity clamp plate 43 and rotate, cleaning face 44 cleans louvre 31 this moment, the baffle 3 of taking a breath strikes the dust of will cleaning out and shakes off between first inside wall 211 and second inside wall 212, can realize filtering the dust when good radiating, realize the clearance to baffle 3 of taking a breath in addition.

To sum up, the beneficial effects of the utility model are that: the heat dissipation effect is realized, heat accumulation is prevented, dust is filtered to avoid the heat dissipation plate to accumulate the dust in the heat dissipation process, and in addition, the air exchange holes can be cleaned in the heat dissipation process to effectively enhance the heat dissipation effect.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An overheat-proof electric machine, comprising: motor body (1), protection back cover (2), take a breath separation blade (3) and ventilation fan (4), protection back cover (2) set up the rear end of motor body (1), protection back cover (2) have installation face (25) and with installation face (25) corresponding open face (26), be provided with the recess on installation face (25), the recess certainly installation face (25) to open face (26) direction is sunken, ventilation fan (4) are held in the recess, take a breath separation blade (3) set up on open face (26), ventilation fan (4) include blade (41), driven support ring (42) are installed to the border position department of blade (41) driven support ring (42) are installed towards one side of open face (26) is fixed and is provided with movable clamp plate (43), movable clamp plate (43) have plain noodles (45) and with the corresponding cleaning surface of plain noodles (45), (43) 44) And bristles are arranged on the cleaning surface (44).

2. An overheat-proof electric motor as claimed in claim 1, wherein: a hollow support plate (24) is arranged in the groove, and the ventilation fan (4) is erected on the hollow support plate (24).

3. An overheat protection motor as defined in claim 2, wherein: the opening surface (26) is provided with a limiting groove (21), and the air exchange baffle plate (3) is partially embedded in the limiting groove (21).

4. An overheat-proof electric motor as claimed in claim 3, wherein: the limiting groove (21) is provided with a first inner side wall (211) and a second inner side wall (212) corresponding to the first inner side wall (211), and the second inner side wall (212) is close to the opening surface (26).

5. An overheat prevention motor as defined in claim 4, wherein: a plurality of movable holes (22) are formed in the first inner side wall (211), a plurality of transverse short columns (32) are fixed on one side of the air exchange baffle plate (3), the transverse short columns (32) are matched with the movable holes (22), the transverse short columns (32) extend into the movable holes (22) and extend to the outside of the first inner side wall (211), and at the moment, the transverse short columns (32) contact the light surface (45).

6. An overheat prevention motor as defined in claim 5, wherein: a plurality of reset springs (23) are fixed on the protective rear cover (2), one ends of the reset springs (23) are fixed on the second inner side wall (212), and the other ends of the reset springs (23) are fixed with the ventilation blocking pieces (3).

7. An overheat prevention motor as defined in claim 6, wherein: the ventilation baffle plate (3) is a heat conducting sheet, and the heat conducting coefficient of the heat conducting sheet is 200-600W/m.K.

8. An overheat-proof electric motor as claimed in claim 7, wherein: the surface of the ventilation baffle plate (3) is provided with a plurality of heat dissipation holes (31), the depth of each heat dissipation hole (31) is smaller than the length of the corresponding bristle, and when the movable pressing plate (43) rotates, the bristles extend into the heat dissipation holes (31).

9. An overheat protection motor as claimed in claim 8, wherein: the heat dissipation holes (31) are obliquely arranged on the air exchange baffle plate (3), and the included angle formed by the intersection of the central axis of the heat dissipation holes (31) and the central axis of the air exchange baffle plate (3) is 20-45 degrees.