Motor capable of enhancing heat dissipation

Abstract

The utility model relates to a motor capable of enhancing heat dissipation, which comprises a motor body, a casing is mounted on the side wall of the motor body, an end cover is arranged at one axial end of the motor body, a bottom cover is arranged at the other axial end of the motor body, the end cover and the bottom cover are fixedly connected with the casing, an axial flow fan is sleeved on a motor shaft on one side where the bottom cover is located, and the axial flow fan is fixedly connected with the casing. A shell of the axial flow fan is fixedly connected with the end cover, the end cover comprises a cover body and a plurality of ventilation ribs, the cover body covers the axial end part of the motor body, the ventilation ribs are circumferentially formed on the side wall of the cover body, the ventilation ribs extend out of the side wall of the shell and are axially arranged, and an axially arranged ventilation channel is formed between every two adjacent ventilation ribs. According to the scheme, the axial flow fan and the end cover are arranged on the two axial sides of the motor respectively, the side wall of the cover body of the end cover extends outwards to be provided with the multiple ventilation ribs, the ventilation channels which are axially arranged are formed between the ventilation ribs, the axial flow fan induces air to enter the ventilation channels and blow the air to the surface of the motor shell, and the heat dissipation effect of the motor is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a motor with enhanced heat dissipation. Background Art

[0002] The side wall of the existing motor casing usually needs to be provided with a fan blade mounting bracket and fixed to the fan, so the surface of the casing is irregular. Therefore, the manufacturing of the casing is quite troublesome, and the heat dissipation of the motor depends on the casing and the heat dissipation ribs on the side wall of the casing. The heat dissipation effect of this heat dissipation method is not ideal. Summary of the invention

[0003] In order to solve the above problems, the purpose of the utility model is to provide a motor with enhanced heat dissipation. By arranging grille-type ventilation ribs on the end cover, the ventilation efficiency of the motor surface is improved and the heat dissipation effect of the motor is enhanced. At the same time, the motor casing is more convenient to manufacture and the production cost can be saved.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] A motor with enhanced heat dissipation comprises a motor body, and a casing is installed on the side wall of the motor body. The invention is characterized in that an end cover is provided on one axial end of the motor body, and a bottom cover is provided on the other axial end, the end cover and the bottom cover are fixedly connected to the casing, an axial flow fan is sleeved on the motor shaft on the side where the bottom cover is located, and the outer shell of the axial flow fan is fixedly connected to the end cover, the end cover comprises a cover body covering the axial end of the motor body, and a plurality of ventilation ribs circumferentially formed on the side wall of the cover body, the ventilation ribs extend outward from the side wall of the casing and are arranged axially, and axially arranged ventilation channels are formed between adjacent ventilation ribs.

[0006] In the above technical scheme, the axial flow fan and the end cover are respectively arranged on both sides of the axial direction of the motor, the blades of the axial flow fan are connected to the motor shaft, and the casing of the axial flow fan is axially fixed to the end cover, thereby eliminating the fan mounting bracket on the side wall of the casing. At the same time, the side wall of the cover body of the end cover is extended outward to provide a plurality of ventilation ribs, and axially arranged ventilation channels are formed between the ventilation ribs. When the axial flow fan and the motor shaft rotate, the air is discharged from the end cover side to the axial flow fan side like a fan. Therefore, the axial flow fan draws air into the ventilation channel and blows it toward the surface of the casing, thereby enhancing the heat dissipation effect of the motor. In addition, the provision of a plurality of ventilation ribs improves the structural strength of the end cover and the overall structural strength of the motor.

[0007] Preferably, the lower end of the side wall of the cover body is close to the motor body and forms a cover edge outward in the circumferential direction. An annular hole is opened circumferentially on the cover edge. The lower ends of a plurality of ventilation ribs extend into the cover edge. Ventilation holes communicating with the ventilation channel are formed in the annular holes between adjacent ventilation ribs. In this technical solution, the formation of the cover edge can further stabilize the ventilation ribs, and the ventilation holes can ensure that the introduced wind is basically blown toward the side wall of the casing, so that the heat dissipation effect is stable.

[0008] Preferably, the ventilation ribs are arranged obliquely from inside to outside and downward. In this technical solution, the ventilation ribs are arranged obliquely from inside to outside and downward, that is, the ventilation ribs are high inside and low outside, which can improve the structural stability of the outer side of the ventilation ribs and prevent the outer part of the ventilation ribs from shaking due to the small fixing surface.

[0009] Preferably, the side wall of the cover body is circumferentially constructed with a plurality of fan mounting seats, the lower end of the fan mounting seat extends into the cover edge, the middle portion of the upper end of the fan mounting seat is lifted upward to form a boss, and the boss is provided with an assembly hole for mounting with the axial flow fan housing. In this technical solution, the provision of a plurality of fan mounting seats facilitates axial fixation with the axial flow fan housing, while improving the structural strength of the end cover and ensuring the fixed connection strength with the axial flow fan housing.

[0010] Preferably, inclined platforms are constructed on both sides of the boss on the fan mounting seat, and the inner ends of the inclined platforms are connected to the side walls of the cover body. In this technical solution, the setting of the inclined platforms further improves the connection strength between the fan mounting seat and the cover body, and improves the overall structural stability of the end cover.

[0011] Preferably, screw seats are provided on both sides of the fan mounting seat, and screw holes are provided on the screw seats. The screw seats extend from the side ends of the fan mounting seat through the ventilation ribs near the fan mounting seat, and are fixedly connected to the side end faces of another ventilation rib. The inner ends of the screw seats are fixedly connected to the side walls of the cover body, and the outer ends are connected to the cover edge through a connecting rib. In this technical solution, the provision of the screw seats further improves the structural strength of the end cover, and at the same time, facilitates the fixed connection of the end cover to the casing through the screw seats.

[0012] Preferably, the front end of the ventilation rib extends downward to the cover edge and is provided with a flange, which protrudes from the side wall of the cover edge. In this technical solution, the provision of the flange improves the connection strength between the outer side of the ventilation rib and the cover edge, ensuring the outer structural strength of the ventilation rib.

[0013] Preferably, the casing is formed by integral stretching, and a plurality of connecting columns are formed circumferentially on the side wall of the casing. A plurality of heat dissipation ribs are arranged longitudinally and spaced apart between adjacent connecting columns, and a heat dissipation channel connected to the ventilation channel is formed between adjacent heat dissipations. The connecting column corresponds to the bottom of the screw seat, and a connecting hole corresponding to the screw hole is provided on the connecting column. In this technical solution, after the fan mounting bracket is removed from the casing, it can be integrally stretched and formed, which simplifies the manufacturing process, improves the manufacturing efficiency, and saves the manufacturing cost. The connecting column and the heat dissipation ribs increase the heat dissipation area of ​​the motor, and the connecting column facilitates the connection and fixation of the end cover and the bottom cover.

[0014] Preferably, the outer end surface of the bottom cover is provided with circumferentially or radially arranged reinforcing ribs. In this technical solution, the reinforcing ribs on the bottom cover can improve its structural strength, thereby improving the structural strength of the entire machine.

[0015] Preferably, the bottom cover is provided with a plurality of drip holes, and the side wall of the bottom cover is provided with a plurality of protrusions circumferentially corresponding to the plurality of connecting columns, and the protrusions are provided with mounting holes corresponding to the connecting holes. In this technical solution, the provision of a plurality of drip holes facilitates the drainage of accumulated water in the motor, and the protrusions facilitate the corresponding fixing with the connecting columns. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the motor.

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the motor from another perspective.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the end cover.

[0019] Figure 4 It is a schematic diagram of the assembly structure of the casing and the motor body.

[0020] Figure 5 A schematic diagram of the three-dimensional structure of the end cover from another perspective.

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the bottom cover.

[0022] Figure 7 It is a schematic diagram of the planar structure of the end cover.

[0023] Figure 8 It is a schematic diagram of the planar structure of the bottom cover. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0029] like Figures 1 to 8A motor with enhanced heat dissipation shown in the figure includes a motor body 1, a casing 2 is installed on the side wall of the motor body 1, an end cover 3 is provided on one axial end of the motor body 1, and a bottom cover 18 is provided on the other axial end, the end cover 3 and the bottom cover 18 are fixedly connected to the casing 2, an axial flow fan is sleeved on the motor shaft on the side where the bottom cover 18 is located, and the outer shell of the axial flow fan is fixedly connected to the end cover, the end cover 3 includes a cover body 4 covering the axial end of the motor body 1, and a plurality of ventilation ribs 5 circumferentially formed on the side wall of the cover body 4, the ventilation ribs 5 extend outward from the side wall of the casing 2 and are arranged axially, and axially arranged ventilation channels 6 are formed between adjacent ventilation ribs 5.

[0030] In the above technical scheme, the axial flow fan and the end cover are respectively arranged on both sides of the axial direction of the motor, the blades of the axial flow fan are connected to the motor shaft, and the casing of the axial flow fan is axially fixed to the end cover, thereby eliminating the fan mounting bracket on the side wall of the casing. At the same time, the side wall of the cover body of the end cover is extended outward to provide a plurality of ventilation ribs, and axially arranged ventilation channels are formed between the ventilation ribs. When the axial flow fan and the motor shaft rotate, the air is discharged from the end cover side to the axial flow fan side like a fan. Therefore, the axial flow fan draws air into the ventilation channel and blows it toward the surface of the casing, thereby enhancing the heat dissipation effect of the motor. In addition, the provision of a plurality of ventilation ribs improves the structural strength of the end cover and the overall structural strength of the motor.

[0031] Furthermore, the lower end of the side wall of the cover body 4 is close to the motor body 1 and forms a cover edge 7 outwardly in the circumferential direction. An annular hole is opened circumferentially on the cover edge 7. The lower ends of a plurality of ventilation ribs 5 extend into the cover edge 7. Ventilation holes 8 communicating with the ventilation channel 6 are formed in the annular hole between adjacent ventilation ribs 5. In this technical solution, the formation of the cover edge can further stabilize the ventilation ribs, and the ventilation holes can ensure that the introduced wind is basically blown toward the side wall of the casing, so that the heat dissipation effect is stable.

[0032] Furthermore, the ventilation ribs 5 are arranged obliquely from inside to outside and downward. In this technical solution, the ventilation ribs are arranged obliquely from inside to outside and downward, that is, the ventilation ribs are high inside and low outside, which can improve the structural stability of the outer side of the ventilation ribs and prevent the outer part of the ventilation ribs from shaking due to the small fixing surface.

[0033] Furthermore, the side wall of the cover body 4 is circumferentially constructed with a plurality of fan mounting seats 9, the lower end of the fan mounting seat 9 extends into the cover edge 7, and the middle part of the upper end of the fan mounting seat 9 is lifted upward to form a boss 10, and an assembly hole for mounting with the axial flow fan housing is provided on the boss 10. In this technical solution, the provision of a plurality of fan mounting seats facilitates axial fixation with the axial flow fan housing, while improving the structural strength of the end cover and ensuring the fixed connection strength with the axial flow fan housing.

[0034] Furthermore, inclined platforms 11 are constructed on both sides of the boss 10 on the fan mounting seat 9, and the inner ends of the inclined platforms 11 are connected to the side walls of the cover body 4. In this technical solution, the setting of the inclined platforms further improves the connection strength between the fan mounting seat and the cover body, and improves the overall structural stability of the end cover.

[0035] Furthermore, screw seats 12 are provided on both sides of the fan mounting seat 9, and screw holes are opened on the screw seats 12. The screw seats 12 extend from the side ends of the fan mounting seat 9 through the ventilation ribs 5 close to the fan mounting seat 9, and are fixedly connected to the side end faces of the other ventilation ribs 5. The inner ends of the screw seats 12 are fixedly connected to the side walls of the cover body 4, and the outer ends are connected to the cover edge 7 via a connecting rib 13. In this technical solution, the provision of the screw seats further improves the structural strength of the end cover, and at the same time, facilitates the fixed connection of the end cover to the casing via the screw seats. In addition, another channel 100 is enclosed between the screw seats, the connecting ribs, and the ventilation ribs.

[0036] Ventilation is formed there.

[0037] Furthermore, the front end of the ventilation rib 5 extends downward to the cover edge 7 and is provided with a flange 14, which protrudes from the side wall of the cover edge 7. In this technical solution, the provision of the flange improves the connection strength between the outer side of the ventilation rib and the cover edge, and ensures the outer structural strength of the ventilation rib.

[0038] Furthermore, the housing 2 is formed by stretching in one piece, and a plurality of connecting columns 15 are formed in the circumferential direction of the side wall of the housing 2. A plurality of heat dissipation ribs 16 arranged longitudinally and spaced apart are provided between adjacent connecting columns 15. A heat dissipation channel 17 communicating with the ventilation channel 6 is formed between adjacent heat dissipation ribs 16. The connecting columns 15 correspond to the bottom of the screw seat 12, and connecting holes corresponding to the screw holes are provided on the connecting columns 15. In this technical solution, after the fan mounting bracket is removed from the housing, it can be stretched and formed in one piece, which simplifies the manufacturing process, improves the manufacturing efficiency, and saves the manufacturing cost. The connecting columns and heat dissipation ribs increase the heat dissipation area of ​​the motor, and the connecting columns facilitate the connection and fixing of the end cover and the bottom cover.

[0039] Furthermore, the outer end surface of the bottom cover 18 is provided with circumferentially or radially arranged reinforcing ribs 19. In this technical solution, the reinforcing ribs on the bottom cover can improve its structural strength, thereby improving the structural strength of the entire machine.

[0040] Furthermore, the bottom cover 18 is provided with a plurality of drip holes 20, and the side wall of the bottom cover 18 is provided with a plurality of protrusions 21 circumferentially corresponding to the plurality of connecting posts 15, and the protrusions 21 are provided with mounting holes corresponding to the connecting holes. In this technical solution, the provision of a plurality of drip holes facilitates the drainage of accumulated water in the motor, and the protrusions facilitate the corresponding fixing with the connecting posts.

[0041] In this specific embodiment, in view of the general heat dissipation effect of the existing motor and the inconvenience caused by the fan mounting bracket on the motor casing, the above scheme is to place the axial fan and the end cover on both sides of the motor, the blades of the axial fan are connected to the motor shaft, and the outer shell of the axial fan is axially fixed to the end cover, thereby eliminating the fan mounting bracket on the side wall of the casing, so that the casing can be formed in one piece, saving materials and making the manufacturing process simpler. At the same time, the side wall of the cover body of the end cover is extended outward to set a number of ventilation ribs, and an axially arranged ventilation channel is formed between the ventilation ribs. When the axial fan and the motor shaft rotate, the air is discharged from the end cover side to the axial fan side like a fan. Therefore, the axial fan draws air into the ventilation channel and blows it to the surface of the casing, thereby enhancing the heat dissipation effect of the motor and improving the overall structural strength of the motor.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A motor with enhanced heat dissipation, comprising a motor body (1), a housing (2) being mounted on a side wall of the motor body (1), characterized in that: An end cover (3) is provided on one axial end of the motor body (1), and a bottom cover (18) is provided on the other axial end. The end cover (3) and the bottom cover (18) are fixedly connected to the casing (2). An axial flow fan is sleeved on the motor shaft on the side where the bottom cover (18) is located. The outer shell of the axial flow fan is fixedly connected to the end cover. The end cover (3) comprises a cover body (4) covering the axial end of the motor body (1), and a plurality of ventilation ribs (5) formed circumferentially on the side wall of the cover body (4). The ventilation ribs (5) extend outward from the side wall of the casing (2) and are arranged axially. A ventilation channel (6) arranged axially is formed between adjacent ventilation ribs (5).

2. A motor with enhanced heat dissipation according to claim 1, characterized in that: The lower end of the side wall of the cover body (4) is close to the motor body (1) and forms a cover edge (7) circumferentially outward. An annular hole is circumferentially opened on the cover edge (7). The lower ends of a plurality of ventilation ribs (5) extend into the cover edge (7). Ventilation holes (8) communicating with the ventilation channel (6) are formed in the annular hole between adjacent ventilation ribs (5).

3. A motor with enhanced heat dissipation according to claim 2, characterized in that: The ventilation ribs (5) are arranged obliquely toward the outer lower side from the inside to the outside.

4. The motor with enhanced heat dissipation according to claim 2, characterized in that: A plurality of fan mounting seats (9) are constructed circumferentially on the side wall of the cover body (4); the lower ends of the fan mounting seats (9) extend into the cover edge (7); the middle portion of the upper end of the fan mounting seats (9) is lifted upward to form a boss (10); and the boss (10) is provided with an assembly hole for mounting with the axial flow fan housing.

5. The motor with enhanced heat dissipation according to claim 4, characterized in that: Sloped platforms (11) are constructed on both sides of the boss (10) on the fan mounting seat (9), and the inner ends of the sloped platforms (11) are connected to the side walls of the cover body (4).

6. The motor with enhanced heat dissipation according to claim 5, characterized in that: Screw seats (12) are provided on both sides of the fan mounting seat (9), and screw holes are provided on the screw seats (12). The screw seats (12) extend from the side ends of the fan mounting seat (9), pass through the ventilation ribs (5) close to the fan mounting seat (9), and are fixedly connected to the side end surfaces of the other ventilation ribs (5). The inner ends of the screw seats (12) are fixedly connected to the side walls of the cover body (4), and the outer ends are connected to the cover edge (7) via a connecting rib (13).

7. The motor with enhanced heat dissipation according to claim 6, characterized in that: The front end of the ventilation rib (5) extends downward to the inside of the cover edge (7) and is provided with a flange (14), wherein the flange (14) protrudes from the side wall of the cover edge (7).

8. The motor with enhanced heat dissipation according to claim 6, characterized in that: The housing (2) is integrally formed by stretching, and a plurality of connecting columns (15) are formed in the circumferential direction of the side wall of the housing (2). A plurality of heat dissipation ribs (16) are arranged longitudinally and spaced apart from each other, and a heat dissipation channel (17) communicating with the ventilation channel (6) is formed between adjacent heat dissipation ribs (16). The connecting column (15) corresponds to the bottom of the screw seat (12), and a connecting hole corresponding to the screw hole is opened on the connecting column (15).

9. The motor with enhanced heat dissipation according to claim 8, characterized in that: The outer end surface of the bottom cover (18) is provided with reinforcing ribs (19) arranged circumferentially or radially.

10. The motor with enhanced heat dissipation according to claim 9, characterized in that: The bottom cover (18) is provided with a plurality of drip holes (20), and the side wall of the bottom cover (18) is circumferentially provided with a plurality of protrusions (21) corresponding to the plurality of connection columns (15), and the protrusions (21) are provided with mounting holes corresponding to the connection holes.

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