CN217010546U

CN217010546U - Motor housing with high heat dissipation performance

Info

Publication number: CN217010546U
Application number: CN202123430542.7U
Authority: CN
Inventors: 蒋水莲
Original assignee: Dongguan Qixiang Hardware Technology Co ltd
Current assignee: Dongguan Qixiang Hardware Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-19
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of motor shells, and particularly relates to a motor shell with high heat dissipation performance, which comprises a main body; the main body is provided with a plurality of radiating fins; the radiating fins extend along the axial direction of the main body, the front end surface and the rear end surface of the radiating fins are coplanar with the front end surface and the rear end surface of the main body respectively, and the radiating fins are arranged at intervals along the circumferential direction of the main body; the installation cavity has been seted up in the main part, and the installation cavity extends along the fore-and-aft direction, and runs through two terminal surfaces in the front and back of main part. The main body and the plurality of radiating fins are made of aluminum alloy; and the main body and the plurality of radiating fins are integrally cast and molded. So, motor housing's heat dispersion has been improved greatly to improve life.

Description

Motor housing with high heat dissipation performance

Technical Field

The utility model belongs to the technical field of motor shells, and particularly relates to a motor shell with high heat dissipation performance.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The driving torque is generated, and the driving torque is used as a power source of electrical appliances or various machines and is widely applied to the society. In practical application, because the casing adopts the sealed setting for the produced heat of motor during operation can't in time dispel, influences the normal work of motor, in case the time of having a specified duration still can influence the performance of motor, greatly reduced the life of motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor shell with high heat dissipation performance, and aims to solve the technical problem that a motor in the prior art is poor in heat dissipation performance.

In order to achieve the above object, an embodiment of the present invention provides a motor casing with high heat dissipation performance, including a main body; the main body is provided with a plurality of radiating fins; the radiating fins extend along the axial direction of the main body, the front end surface and the rear end surface of the radiating fins are coplanar with the front end surface and the rear end surface of the main body respectively, and the radiating fins are arranged at intervals along the circumferential direction of the main body; the mounting cavity is formed in the main body, extends in the front-back direction and penetrates through the front end face and the rear end face of the main body. The main body and the plurality of radiating fins are made of aluminum alloy; and the main body and the plurality of radiating fins are integrally cast and molded.

Optionally, the device further comprises a front end cover and a rear end cover which are respectively in threaded connection with the front end and the rear end of the main body; the front end cover and the rear end cover are respectively provided with a first through hole and a second through hole; the first through hole penetrates through the front end face and the rear end face of the front end cover, and the second through hole penetrates through the front end face and the rear end face of the rear end cover.

Optionally, a first boss is arranged on the surface of the front end cover close to the rear end cover; a first mounting hole is formed in the surface, close to the rear end cover, of the first boss, penetrates through the first boss and extends into the front end cover; the first mounting hole is coaxially arranged with the first through hole.

Optionally, a plurality of first reinforcing ribs are fixedly arranged on the first bosses; and the first reinforcing ribs are arranged at intervals along the circumferential direction of the first boss and are fixedly connected with the front end cover.

Optionally, a first positioning protrusion is fixedly arranged on the surface of the main body close to the front end cover, and a first groove is formed on the surface of the front end cover close to the main body; wherein, the first positioning bulge is inserted and matched with the first groove.

Optionally, at least two front through holes are formed in the surface, close to the main body, of the front end cover, and all the front through holes penetrate through the surface, far away from the main body, of the front end cover.

Optionally, two foreign object positioning protrusions are fixedly arranged on the surface of the rear end cover away from the main body; the two foreign object positioning bulges are symmetrically arranged.

Optionally, at least two first foreign object threaded holes are formed in the surface of the rear end cover, which is far away from the main body.

Optionally, at least two second external threaded holes are formed in the surface of the rear end cover, which is far away from the main body.

Optionally, a sealing gasket is bonded to a surface of the rear end cap away from the main body.

One or more technical schemes in the motor shell with high heat dissipation performance provided by the embodiment of the utility model at least have one of the following technical effects: the installation cavity is used for accommodating the motor body. The aluminum alloy has good heat-conducting property and high hardness, and the main body and the radiating fins made of the aluminum alloy have good heat-conducting property and long service life. The front end face and the rear end face of each radiating fin are arranged in the same plane with the front end face and the rear end face of the main body respectively, so that the processing difficulty of the casting mold is reduced, and in addition, the radiating fins are lengthened, and the radiating efficiency is improved. So, improved motor housing's heat dispersion greatly to improve life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a motor casing with high heat dissipation performance according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a main body according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a front end cover according to an embodiment of the present invention.

Fig. 4 is a front view of a rear end cap provided by an embodiment of the present invention.

FIG. 5 is a rear view of a rear end cap provided by an embodiment of the present invention.

Wherein, in the figures, the various reference numbers:

10 main body 20 front end cover 30 rear end cover

11-radiating fin 12-mounting cavity 13-first positioning bulge

14-avoiding groove 21-first boss 22-first through hole

23-first reinforcing rib 24-front through hole 25-first counter sink

211-first mounting hole 31-second boss 32-second through hole

33-second reinforcing rib 34-second counter sink 311-second mounting hole

36-foreign object positioning projection 37-first foreign object threaded hole 38-second foreign object threaded hole

39-sealing gasket.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the embodiments of the present invention and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixed or detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 2, a motor housing with high heat dissipation performance is provided, which includes a main body 10; the main body 10 is provided with a plurality of radiating fins 11; the plurality of radiating fins 11 extend along the axial direction of the main body 10, the front end surface and the rear end surface of each radiating fin 11 are coplanar with the front end surface and the rear end surface of the main body 10 respectively, and the plurality of radiating fins 11 are arranged at intervals along the circumferential direction of the main body 10; the main part 10 is provided with a mounting cavity 12, the mounting cavity 12 extends along the front-back direction and penetrates through the front end face and the back end face of the main part 10. The main body 10 and the plurality of radiating fins 11 are made of aluminum alloy; and the main body 10 and the plurality of heat dissipation fins 11 are integrally cast.

Specifically, the mounting cavity 12 is used for accommodating the motor body. The aluminum alloy has good heat-conducting property and high hardness, and the main body 10 and the radiating fins 11 made of the aluminum alloy have good heat-conducting property and long service life. The front and rear end faces of all the radiating fins 11 are respectively arranged in the same plane with the front and rear end faces of the main body 10, which is beneficial to reducing the processing difficulty of the casting mold, and in addition, the radiating efficiency is also beneficial to improving by lengthening the length of the radiating fins 11. So, improved motor housing's heat dispersion greatly to improve life.

Further, the cross section of the main body 10 is rectangular, an avoiding groove 14 is formed at each of four corners of the main body 10, each avoiding groove 14 penetrates through the front surface and the rear surface of the main body 10, and the plurality of radiating fins 11 are uniformly distributed on the four side surfaces of the main body 10. A positioning member is fixedly arranged on the inner wall surface of the mounting cavity 12, and the positioning member extends along the axial direction of the main body 10 and is used for positioning and limiting the motor body. The front end face of the positioning piece is located behind the front opening of the installation cavity 12, and the positioning piece is arranged in such a way that one end of the motor body extends into the installation cavity 12 and then is matched with the positioning piece, so that the motor body is greatly convenient to install.

In another embodiment of the present invention, as shown in fig. 1, 3 to 5, a front end cap 20 and a rear end cap 30 are further included, which are respectively screwed to the front end and the rear end of the main body 10; the front end cover 20 and the rear end cover 30 are respectively provided with a first perforation 22 and a second perforation 32; the first through hole 22 penetrates both front and rear end surfaces of the front end cap 20, and the second through hole 32 penetrates both front and rear end surfaces of the rear end cap 30.

Specifically, four first counter sink holes 25 have been seted up on the surface that main part 10 was kept away from to front end housing 20, and four first counter sink holes 25 all run through the surface that front end housing 20 is close to main part 10, correspondingly, four first screw holes have been seted up on the surface that main part 10 is close to front end housing 20, and four first counter sink holes 25 and four first screw holes are the one-to-one respectively, and coaxial setting, so, just can realize being connected of front end housing 20 and main part 10 through the bolt. Four second counter bores 34 have been seted up on the surface that main part 10 was kept away from to rear end cap 30, and four second counter bores 34 all run through the surface that rear end cap 30 is close to main part 10, correspondingly, four second screw holes have been seted up on the surface that main part 10 is close to rear end cap 30, and four second counter bores 34 and four second screw holes are the one-to-one respectively, and coaxial setting, so, just can realize being connected of rear end cap 30 and main part 10 through the bolt. The front end housing 20 and the rear end housing 30 are made of aluminum alloy, so that the heat dissipation performance is improved, in addition, the deformation caused by heating of the threaded hole for threaded connection can be avoided, and the practicability and the service life of the motor shell are greatly improved. It is understood that the first through hole 22 and the second through hole 32 are used for the shaft of the power supply machine body to pass through.

In another embodiment of the present invention, as shown in fig. 3, a first boss 21 is provided on a surface of the front end cap 20 close to the rear end cap 30; a first mounting hole 211 is formed in the surface of the first boss 21 close to the rear end cover 30, and the first mounting hole 211 penetrates through the first boss 21 and extends into the front end cover 20; the first mounting hole 211 is coaxially disposed with the first through hole 22. Specifically, in the present embodiment, the first boss 21 has a circular cross section, and the first mounting hole 211 is used for mounting a bearing. So configured, it is beneficial to reduce the weight of the front end cap 20, as well as reduce the use of materials.

In another embodiment of the present invention, as shown in fig. 3, a plurality of first reinforcing ribs 23 are fixedly arranged on the first bosses 21; the first reinforcing ribs 23 are arranged along the circumferential direction of the first boss 21 at intervals, and are all fixedly connected with the front end cover 20. Specifically, the first reinforcing ribs 23 are provided in three, and the three first reinforcing ribs 23 are arranged at equal intervals in a circle around the circumference of the first boss 21. The first reinforcing ribs 23 are provided to enhance the strength of the first bosses 21 and improve the stability thereof.

In another embodiment of the present invention, as shown in fig. 2 to 3, a first positioning protrusion 13 is fixedly disposed on a surface of the main body 10 close to the front end cap 20, and a first groove is disposed on a surface of the front end cap 20 close to the main body 10; wherein, the first positioning protrusion 13 is inserted and matched with the first groove.

Specifically, in this embodiment, the cross section of the installation cavity 12 is circular, the first positioning protrusion 13 is in a circular ring shape, the first positioning protrusion 13 and the installation cavity 12 are coaxially arranged, and the inner diameter of the first positioning protrusion 13 is equal to the diameter of the installation cavity 12. The first groove is a circular groove, and the diameter of the first groove is larger than the outer diameter of the first bulge. So set up to improve positioning accuracy, thereby avoid motor body's pivot and first perforation 22 to take place to interfere, lead to this pivot to rotate not smooth, in addition, also can ensure that this pivot can wear to establish the bearing of installing on first mounting hole 211 smoothly.

In another embodiment of the present invention, as shown in fig. 1 and 3, at least two front through holes 24 are opened on the surface of the front end cap 20 close to the main body 10, and all the front through holes 24 penetrate through the surface of the front end cap 20 far from the main body 10.

Specifically, in the present embodiment, four front through holes 24 are provided, and four front through holes 24 are respectively located at four corners of the front cover 20 and respectively correspond to four avoidance grooves 14 on the main body 10 one by one. A front through hole 24 is provided to enable the front end cap 20 to be fitted to other foreign objects surfaces by screwing. During assembly, the bolts are inserted into the front through holes 24 through the escape slots 14 and then connected to the screw holes provided on the surface of the other foreign object. The front through hole 24 and the avoidance groove 14 are provided to reduce the volume of the motor casing, thereby reducing the occupancy rate of space.

In another embodiment of the present invention, as shown in fig. 4 to 5, a second boss 31 is disposed on a surface of the rear end cap 30 close to the front end cap 20; a second mounting hole 311 is formed in the surface of the second boss 31 close to the front end cover 20, and the second mounting hole 311 penetrates through the second boss 31 and extends into the rear end cover 30; the second mounting hole 311 is coaxially disposed with the second through hole 32. Specifically, in the present embodiment, the second boss 31 has a circular cross section, and the second mounting hole 311 is used for mounting a bearing. So configured, the weight of the rear end cap 30 is advantageously reduced, and the use of material is reduced.

In another embodiment of the present invention, as shown in fig. 4, a plurality of second reinforcing ribs 33 are fixedly arranged on the second bosses 31; the plurality of second reinforcing ribs 33 are arranged along the circumferential direction of the second boss 31 at intervals, and are fixedly connected with the rear end cover 30. Specifically, the second reinforcing ribs 33 are provided in three, and the three second reinforcing ribs 33 are arranged at equal intervals in one turn around the circumferential direction of the second boss 31. The second reinforcing rib 33 is provided to reinforce the strength of the second boss 31 and improve the stability thereof.

In another embodiment of the present invention, a second positioning protrusion is fixedly disposed on a surface of the main body 10 close to the rear end cap 30, and a second groove is disposed on a surface of the rear end cap 30 close to the main body 10; and the second positioning protrusion is inserted and matched with the second groove.

Specifically, in the present embodiment, the second positioning protrusion is disposed coaxially with the mounting cavity 12, and the inner diameter of the second positioning protrusion is equal to the diameter of the mounting cavity 12. The second positioning protrusion is in a ring shape, the second groove is a circular groove, and the diameter of the second groove is larger than the outer diameter of the second protrusion. So set up to improve positioning accuracy, thereby avoid motor body's pivot and second perforation 32 to take place to interfere, lead to this pivot to rotate not smooth, in addition, also can ensure that this pivot can wear to establish the bearing of installing on second mounting hole 311 smoothly.

In another embodiment of the present invention, as shown in fig. 5, two foreign object positioning protrusions 36 are fixed on the surface of the rear end cap 30 away from the main body 10; the two foreign object positioning protrusions 36 are symmetrically arranged. Specifically, the two foreign object positioning protrusions 36 are both circular ring-shaped and are symmetrically fixed to the left and right ends of the rear end cover 30. The two foreign object positioning projections 36 are used for positioning the base plate of the photoelectric encoder to improve the mounting accuracy of the photoelectric encoder.

In another embodiment of the present invention, as shown in fig. 5, at least two first foreign object threaded holes 37 are formed on the surface of the rear end cap 30 away from the main body 10. Specifically, two first foreign object screw holes 37 are provided and are symmetrically formed at the left and right ends of the rear end cover 30, respectively. The arrangement is such that the bottom plate of the photoelectric encoder can be screwed with the rear end cap 30 through the two first foreign object threaded holes 37.

In another embodiment of the present invention, as shown in fig. 5, at least two second external screw holes 38 are formed on the surface of the rear end cap 30 away from the main body 10. Specifically, four second external thread holes 38 are provided, and four second external thread holes 38 are distributed on the rear end cover 30. So set up to make the protective housing that uses to hold photoelectric encoder can be through four second thing screw holes 38 and rear end cap 30 threaded connection.

In another embodiment of the present invention, as shown in fig. 5, a sealing gasket 39 is bonded to the surface of the rear end cap 30 away from the main body 10. Specifically, four gasket through holes for bolts to pass through are formed in the sealing gasket 39, the four gasket through holes correspond to the four second foreign object threaded holes 38 one by one, and each gasket through hole is coaxially arranged with the corresponding second foreign object threaded hole 38. The gasket seal 39 is used for waterproofing.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a motor housing that heat dispersion is high which characterized in that: comprises a main body; the main body is provided with a plurality of radiating fins; the radiating fins extend along the axial direction of the main body, the front end surface and the rear end surface of the radiating fins are coplanar with the front end surface and the rear end surface of the main body respectively, and the radiating fins are arranged at intervals along the circumferential direction of the main body; the mounting cavity is formed in the main body, extends in the front-back direction and penetrates through the front end face and the rear end face of the main body. The main body and the plurality of radiating fins are made of aluminum alloy; and the main body and the plurality of radiating fins are integrally cast and molded.

2. The motor housing with high heat dissipation performance of claim 1, wherein: the front end cover and the rear end cover are respectively in threaded connection with the front end and the rear end of the main body; the front end cover and the rear end cover are respectively provided with a first through hole and a second through hole; the first through hole penetrates through the front end face and the rear end face of the front end cover, and the second through hole penetrates through the front end face and the rear end face of the rear end cover.

3. The motor housing with high heat dissipation performance according to claim 2, characterized in that: a first boss is arranged on the surface of the front end cover close to the rear end cover; a first mounting hole is formed in the surface, close to the rear end cover, of the first boss, penetrates through the first boss and extends into the front end cover; the first mounting hole is coaxially arranged with the first through hole.

4. The motor housing with high heat dissipation performance according to claim 3, wherein: a plurality of first reinforcing ribs are fixedly arranged on the first bosses; and the first reinforcing ribs are arranged at intervals along the circumferential direction of the first boss and are fixedly connected with the front end cover.

5. The motor housing with high heat dissipation performance according to claim 2, characterized in that: a first positioning bulge is fixedly arranged on the surface of the main body close to the front end cover, and a first groove is formed on the surface of the front end cover close to the main body; wherein, the first positioning bulge is inserted and matched with the first groove.

6. The motor casing that heat dispersion is high of claim 2, characterized in that: at least two front through holes are formed in the surface, close to the main body, of the front end cover, and all the front through holes penetrate through the surface, far away from the main body, of the front end cover.

7. The motor housing with high heat dissipation performance according to claim 2, characterized in that: two foreign object positioning bulges are fixedly arranged on the surface of the rear end cover, which is far away from the main body; the two foreign object positioning bulges are symmetrically arranged.

8. The motor housing with high heat dissipation performance according to claim 2, characterized in that: at least two first foreign object threaded holes are formed in the surface, far away from the main body, of the rear end cover.

9. The motor housing with high heat dissipation performance according to claim 2, characterized in that: and at least two second external threaded holes are formed in the surface, far away from the main body, of the rear end cover.

10. The motor casing that heat dispersion is high of claim 2, characterized in that: and a sealing gasket is bonded on the surface of the rear end cover far away from the main body.