Novel motor

Abstract

The utility model discloses a novel motor, which comprises a casing, a front end cover and a rear end cover, the front end cover and the rear end cover are fixedly arranged at the two ends of the casing, and the middle parts of the front end cover and the rear end cover penetrate through the casing and are jointly connected with a driving shaft. The rotor assembly is fixedly installed on the outer circle wall of the driving shaft, the front end cover and the rear end cover are installed and matched with the machine shell, then the driving shaft is rotationally fixed to the middle of the machine shell, and the stator assembly is locked through the screw in threaded connection with the top of the machine shell, so that the stability of the stator assembly is improved. The heat dissipation fins are arranged on the outer circle wall of the machine shell, then the heat dissipation fins are fixedly installed on the outer circle wall of the machine shell through the fixing assemblies, and when the heat dissipation fins are damaged due to collision, the corresponding fixing assemblies are driven to unlock the heat dissipation fins, so that the heat dissipation fins are detached from the machine shell, maintenance or replacement of the heat dissipation fins is achieved, and potential safety hazards caused after the heat dissipation fins are damaged are avoided; or the heat dissipation effect is influenced.

Description

Technical Field

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

[0002] A motor is a device that converts electrical energy into mechanical energy. Currently, traditional motors generally use heat dissipation fins for heat dissipation, and the motor housing and the heat dissipation fins are integrally formed. In a messy environment, the outer shell of the motor is prone to being bumped. When the heat dissipation fins have gaps or are deformed and bent due to collision, it is difficult to repair or replace the heat dissipation fins, which may pose certain safety hazards, or the deformation and bending may cause poor air circulation and ineffective heat dissipation, reducing the service life and performance of the motor, and having poor practicability. Content of the Utility Model

[0003] The purpose of the utility model is to provide a novel motor to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A novel motor, including a housing, a front end cover and a rear end cover, the front end cover and the rear end cover are fixedly arranged at both ends of the housing, a driving shaft is commonly connected through the middle parts of the front end cover and the rear end cover and penetrates the housing, a rotor assembly is fixedly arranged on the outer circumferential wall of the driving shaft, a stator assembly is arranged on the inner wall of the housing outside the rotor assembly, a plurality of fixing components are arranged on the outer circumferential wall of the housing, and a heat dissipation fin is detachably arranged in the middle of the fixing component.

[0005] Preferably, a wire hole is opened at the top of the housing, a wiring terminal penetrates through the wire hole at the top of the housing, a positioning groove is arranged on the outer circumferential wall of the housing corresponding to the fixing component, lifting rings are symmetrically and threadedly connected to the side wall of the housing, and installation grooves are respectively arranged at both ends of the housing.

[0006] Preferably, a bearing fixing groove one is arranged in the middle on the inner side of the front end cover, a bearing one for fixing one end of the driving shaft is arranged in the bearing fixing groove one, and a sealing ring is arranged in the middle on the outer side of the front end cover.

[0007] Preferably, a stepped platform is arranged in the middle of the rear end cover, a bearing fixing groove two is arranged in the middle on the inner side of the stepped platform, a bearing two for fixing the other end of the driving shaft is arranged in the bearing fixing groove two, an encoder installation groove is arranged on the outer side of the stepped platform, an encoder seat is arranged in the encoder installation groove, an encoder is arranged in the middle of the encoder seat, an encoder cover is arranged on one side of the rear end cover, a groove is arranged in the middle of the encoder cover, and an oil seal is arranged in the groove.

[0008] Preferably, annular bosses are arranged on the inner sides of the front end cover and the rear end cover, and an O-ring is sleeved on the outer circumferential wall of the annular boss.

[0009] Preferably, a keyway is formed on the outer circumferential wall of the drive shaft, a transmission key is arranged in the keyway, a snap ring groove is arranged on one side of the keyway, and a snap ring is sleeved in the snap ring groove.

[0010] Preferably, the rotor assembly includes a plurality of rotor cores fixedly arranged on the outer circumferential wall of the drive shaft in a staggered manner. Guide grooves are formed on the inner circumferential walls of the plurality of rotor cores in a staggered manner. A plurality of protrusions are annularly arranged on the outer circumferential wall of the rotor core. A magnet is arranged between adjacent protrusions. A steel sleeve is sleeved outside the magnet, and an air gap is arranged between the steel sleeve and the stator assembly.

[0011] Preferably, the stator assembly includes a plurality of stator teeth assembled annularly on the inner wall of the machine shell. Skeletons are clamped and arranged on both sides of the stator teeth. A splicing groove is arranged on one side of the stator tooth, and a splicing platform is arranged on the other side of the stator tooth and spliced with the splicing groove.

[0012] Preferably, the fixing assembly includes fixing blocks symmetrically arranged at both ends of the positioning groove. A guide sliding cavity is formed in the middle of the fixing block. A driving plate is slidably arranged in the guide sliding cavity. The side wall of the guide sliding cavity is connected with the driving plate through a return spring. A locking rod is arranged on one side of the driving plate.

[0013] Preferably, locking holes are symmetrically arranged on the side of the heat dissipation fin and are in plug-in fit with the locking rod.

[0014] Advantages of the present utility model:

[0015] 1. By installing the stator assembly inside the machine shell and then locking the stator assembly through the screws threadedly connected to the top of the machine shell, the stability of the stator assembly is improved. By fixedly installing the rotor assembly on the outer circumferential wall of the drive shaft and then installing and cooperating the front and rear end covers with the machine shell, the drive shaft is rotatably fixed in the middle of the machine shell. Then, the heat dissipation fin is fixedly installed on the outer circumferential wall of the machine shell through the fixing assembly. When the heat dissipation fin is damaged due to collision, the corresponding fixing assembly is driven to unlock the heat dissipation fin, so that it can be disassembled from the machine shell, realizing the repair or replacement of the heat dissipation fin, and avoiding potential safety hazards or affecting the heat dissipation effect after the heat dissipation fin is damaged.

[0016] 2. By arranging a sealing ring in the middle of the front end cover, an oil seal in the middle of the rear end cover, and O-rings on the inner sides of the front and rear end covers, sundries are prevented from entering the machine shell and affecting the performance of the motor, improving the practicability of the equipment. Description of the drawings

[0017] Figure 1 is a first perspective three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0018] Figure 2It is a schematic three - dimensional structure diagram of the second perspective of the embodiment of the present utility model;

[0019] Figure 3 It is a schematic cross - sectional three - dimensional structure diagram of the embodiment of the present utility model;

[0020] Figure 4 It is a schematic three - dimensional structure diagram of the housing in the embodiment of the present utility model;

[0021] Figure 5 It is a schematic three - dimensional structure diagram of the heat dissipation fins in the embodiment of the present utility model;

[0022] Figure 6 It is a schematic three - dimensional structure diagram of the front end cover in the embodiment of the present utility model;

[0023] Figure 7 It is a schematic three - dimensional structure diagram of the stator assembly in the embodiment of the present utility model;

[0024] Figure 8 It is a schematic three - dimensional structure diagram of the rotor assembly and the drive shaft in the embodiment of the present utility model;

[0025] Figure 9 It is a schematic three - dimensional structure diagram of the rear end cover in the embodiment of the present utility model;

[0026] Figure 10 It is a schematic enlarged structure diagram at position A in the embodiment of the present utility model.

[0027] In the figure: 1. Housing; 101. Wire hole; 102. Terminal; 103. Positioning groove; 104. Hoop; 105. Installation groove; 2. Front end cover; 21. First bearing fixing groove; 22. First bearing; 23. Sealing ring; 3. Rear end cover; 31. Step platform; 32. Second bearing fixing groove; 33. Second bearing; 34. Encoder installation groove; 35. Encoder seat; 36. Encoder; 37. Encoder cover; 38. Groove; 39. Oil seal; 4. Drive shaft; 41. Keyway; 42. Transmission key; 43. Circlip groove; 44. Circlip; 5. Rotor assembly; 51. Rotor core; 52. Guide groove; 53. Projection; 54. Magnet; 55. Steel sleeve; 56. Air gap; 6. Stator assembly; 61. Stator tooth; 62. Skeleton; 63. Splicing groove; 64. Splicing platform; 7. Fixing assembly; 71. Fixing block; 72. Guide sliding cavity; 73. Drive plate; 74. Return spring; 75. Locking rod; 8. Heat dissipation fins; 81. Locking hole; 9. Annular boss; 10. O - ring. Detailed implementation manners

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1 to 10 , the present utility model provides a new type of motor, including a motor housing 1, a front end cover 2 and a rear end cover 3. The front end cover 2 and the rear end cover 3 are fixedly arranged at both ends of the motor housing 1. A drive shaft 4 is connected through the middle parts of the front end cover 2 and the rear end cover 3 and penetrates through the motor housing 1. A rotor assembly 5 is fixedly arranged on the outer circumferential wall of the drive shaft 4. A stator assembly 6 is arranged on the inner wall of the motor housing 1 outside the rotor assembly 5. A plurality of fixing components 7 are arranged on the outer circumferential wall of the motor housing 1. A heat dissipation fin 8 is detachably arranged in the middle of the fixing component 7. By pre - splicing a plurality of stator teeth 61 in the stator assembly 6, then installing the stator assembly 6 into the interior of the motor housing 1, and then locking the stator assembly 6 through screws thread - connected to the top of the motor housing 1, the stability of the stator assembly 6 is improved. By fixedly installing the rotor assembly 5 on the outer circumferential wall of the drive shaft 4, and then through the installation and cooperation of the front and rear end covers and the motor housing 1, the drive shaft 4 is rotationally fixed to the middle of the motor housing 1. Then, the heat dissipation fin 8 is fixedly installed on the outer circumferential wall of the motor housing 1 through the fixing component 7. Thus, when the heat dissipation fin 8 is damaged due to collision, the corresponding fixing component 7 is driven to unlock the heat dissipation fin 8, so that it can be disassembled from the motor housing 1, realizing the repair or replacement of the heat dissipation fin 8, and avoiding potential safety hazards or affecting the heat dissipation effect after the heat dissipation fin 8 is damaged.

[0030] As Figure 2 and Figure 4 shown, specifically, a wire hole 101 is opened at the top of the motor housing 1. A wiring terminal 102 penetrates through the wire hole 101 at the top of the motor housing 1. A positioning groove 103 corresponding to the fixing component 7 is arranged on the outer circumferential wall of the motor housing 1. Hoisting rings 104 are symmetrically thread - connected to the side wall of the motor housing 1. Installation grooves 105 are respectively arranged at both ends of the motor housing 1. By connecting the wires in the motor housing 1 to the bottom of the wiring terminal 102, and then connecting the top of the wiring terminal 102 to an external circuit, the control of the motor is realized through the external circuit. The heat dissipation fin 8 is positioned and installed through the positioning groove 103, which is convenient for quickly installing and disassembling the heat dissipation fin 8 on the motor housing 1. The hoisting rings 104 facilitate the handling of the motor.

[0031] Specifically, a threaded hole is opened on one side of the wire hole 101 at the top of the motor housing 1. By thread - connecting a bolt to the threaded hole, it is convenient to lock the stator assembly 6 into the interior of the motor housing 1.

[0032] As Figure 3 and Figure 6 shown, specifically, a first bearing fixing groove 21 is provided in the middle of the inner side of the front end cover 2. A first bearing 22 for fixing one end of the drive shaft 4 is provided in the first bearing fixing groove 21. A sealing ring 23 is provided in the middle of the outer side of the front end cover 2. One end of the drive shaft 4 penetrates through the front end cover 2 and is rotatably connected to the first bearing 22, and the drive shaft 4 is rotatably fixed to the middle of the housing 1 in cooperation with the rear end cover 3. By installing the sealing ring 23 on the outer side of the front end cover 2, the effects of dust and water prevention are achieved, and sundries are prevented from entering the housing 1 from one side of the front end cover 2, affecting the performance of the motor.

[0033] As Figure 3 and Figure 9 shown, specifically, a stepped platform 31 is provided in the middle of the rear end cover 3. A second bearing fixing groove 32 is provided in the middle of the inner side of the stepped platform 31. A second bearing 33 for fixing the other end of the drive shaft 4 is provided in the second bearing fixing groove 32. An encoder mounting groove 34105 is provided on the outer side of the stepped platform 31. An encoder seat 35 is provided in the encoder mounting groove 34105. An encoder 36 is provided in the middle of the encoder seat 35. An encoder cover 37 is provided on one side of the rear end cover 3. A groove 38 is provided in the middle of the encoder cover 37. An oil seal 39 is provided in the groove 38. The other end of the drive shaft 4 penetrates through the rear end cover 3 and is rotatably connected to the second bearing 33, and the drive shaft 4 is rotatably fixed to the middle of the housing 1 in cooperation with the front end cover 2. By providing the encoder 36, the control accuracy and stability of the motor are improved, and at the same time, the measurement of parameters such as the rotation speed and angle of the motor can be realized, facilitating the detection of the state of the motor. By providing the oil seal 39 in the middle of the encoder cover 37, sundries are prevented from entering the housing 1 from one side of the rear end cover 3, improving the sealing effect of the equipment.

[0034] Specifically, annular bosses 9 are provided on the inner sides of both the front end cover 2 and the rear end cover 3. An O-ring 10 is sleeved on the outer circumferential wall of the annular boss 9. By respectively sleeving the O-ring 10 on the outer circumferential wall of the annular boss 9, and then fitting the annular bosses 9 of the front and rear end covers with the mounting grooves 105 at both ends of the housing 1, and respectively fixing the front and rear end covers to both sides of the housing 1 through bolts, the assembly of the motor is conveniently realized.

[0035] As Figure 8As shown, specifically, a keyway 41 is provided on the outer circumferential wall of the drive shaft 4. A transmission key 42 is provided in the keyway 41. A snap ring groove 43 is provided on one side of the keyway 41. A snap ring 44 is sleeved in the snap ring groove 43. By installing the transmission key 42 into the keyway 41 of the drive shaft 4, and then installing the rotor assembly 5 onto the outer circumferential wall of the drive shaft 4 through the transmission key 42, and one side of the rotor assembly 5 abuts against the drive shaft 4. Then, by snapping the snap ring 44 into the snap ring groove 43 to abut against the other side of the rotor assembly 5, the rotor assembly 5 is locked to the middle of the drive shaft 4.

[0036] Specifically, the rotor assembly 5 includes a plurality of rotor cores 51 fixedly arranged in a staggered manner on the outer circumferential wall of the drive shaft 4. A guiding groove 52 is provided on the inner circumferential wall of the rotor core 51. A plurality of protrusions 53 are annularly arranged on the outer circumferential wall of the rotor core 51. A magnetic steel 54 is provided between adjacent protrusions 53. A steel sleeve 55 is sleeved outside the magnetic steel 54. An air gap 56 is provided between the steel sleeve 55 and the stator assembly 6. By clamping the guiding grooves 52 of the plurality of rotor cores 51 with the transmission key 42, the rotor cores 51 are fixedly installed on the outer circumferential wall of the drive shaft 4. By providing the air gap 56 between the rotor assembly 5 and the stator assembly 6, it is convenient for the rotor assembly 5 to drive the drive shaft 4 to rotate in the middle of the stator assembly 6.

[0037] Specifically, a plurality of weight-reducing grooves are provided in the middle of the rotor core 51. The guiding grooves 52 provided on the inner circumferential walls of the plurality of rotor cores 51 are arranged in a staggered manner, so as to facilitate the staggered installation of the plurality of rotor cores 51 onto the outer circumferential wall of the drive shaft 4.

[0038] As Figure 7 shown, specifically, the stator assembly 6 includes a plurality of stator teeth 61 assembled annularly on the inner wall of the machine shell 1. A skeleton 62 is clamped and provided on both sides of the stator tooth 61. A splicing groove 63 is provided on one side of the stator tooth 61. A splicing table 64 is provided on the other side of the stator tooth 61 and spliced with the splicing groove 63. By inserting and matching the splicing table 64 of a single stator tooth 61 with the splicing groove 63 of another stator tooth 61, the plurality of stator teeth 61 are spliced into a ring. Then, the skeleton 62 is clamped to both sides of the stator tooth 61, and a coil (not shown in the figure) is wound. Finally, the stator assembly 6 is installed into the machine shell 1. By controlling the current flowing through the coil by an external circuit, it is convenient to drive the rotor assembly 5 to rotate.

[0039] As Figure 10As shown, specifically, the fixing assembly 7 includes fixing blocks 71 symmetrically arranged at both ends of the positioning groove 103, a guide sliding cavity 72 is opened in the middle of the fixing block 71, a driving plate 73 is slidably arranged in the guide sliding cavity 72, and the side wall of the guide sliding cavity 72 is connected to the driving plate 73 through a return spring 74, and a locking rod 75 is provided on one side of the driving plate 73. By moving the driving plates 73 on both sides to compress the return spring 74 and move along the guide sliding cavity 72 on the same side, the locking rod 75 is driven to move synchronously, so that the locking rod 75 is convenient to plug and match with the locking holes 81 on both sides of the heat sink fin 8, so as to realize the fixing and removal of the heat sink fin 8 on the outer circular wall of the casing 1, and when the heat sink fin 8 is damaged due to collision, it is convenient to repair or replace it.

[0040] like Figure 5 As shown, specifically, the side of the heat sink fin 8 is symmetrically provided with a lock hole 81 for plugging and matching with the locking rod 75, and the driving plate 73 in the middle of the fixed block 71 on both sides of the positioning groove 103 is moved, and then the heat sink fin 8 is installed into the positioning groove 103 of the outer circular wall of the casing 1, thereby realizing the installation and removal of the heat sink fin 8.

[0041] The working principle of the utility model is as follows: when in use, the stator assembly 6 is installed into the interior of the casing 1, and then the stator assembly 6 is locked by the screws threaded on the top of the casing 1, thereby improving the stability of the stator assembly 6, and the rotor assembly 5 is fixedly installed to the outer cylindrical wall of the drive shaft 4, and then the front and rear end covers are installed and matched with the casing 1, and then the drive shaft 4 is rotated and fixed to the middle of the casing 1, and then the heat dissipation fins 8 are fixedly installed to the outer cylindrical wall of the casing 1 by the fixing assembly 7, and then when the heat dissipation fins 8 are damaged due to collision, the heat dissipation fins 8 are unlocked by driving the corresponding fixing assembly 7, so that they are removed from the casing 1, so as to realize the maintenance or replacement of the heat dissipation fins 8, and avoid damage to the heat dissipation fins 8 affecting the service life and performance of the motor.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A new type of motor, comprising a housing (1), a front end cover (2) and a rear end cover (3), characterized in that: The front end cover (2) and the rear end cover (3) are fixedly arranged at two ends of the casing (1); the middle parts of the front end cover (2) and the rear end cover (3) penetrate the casing (1) and are connected to a drive shaft (4); a rotor assembly (5) is fixedly arranged on the outer circular wall of the drive shaft (4); a stator assembly (6) is arranged outside the rotor assembly (5) on the inner wall of the casing (1); a plurality of fixed assemblies (7) are arranged on the outer circular wall of the casing (1); and a heat dissipation fin (8) is detachably arranged in the middle part of the fixed assembly (7).

2. A novel motor according to claim 1, characterized in that; A wire hole (101) is provided at the top of the casing (1), a wiring terminal (102) is provided at the top of the casing (1) and passes through the wire hole (101), a positioning groove (103) is provided on the outer circular wall of the casing (1) corresponding to the fixing component (7), a hanging ring (104) is symmetrically threadedly connected to the side wall of the casing (1), and mounting grooves (105) are provided at both ends of the casing (1).

3. A novel motor according to claim 1, characterized in that; A bearing fixing groove (21) is provided in the middle of the inner side of the front end cover (2), a bearing (22) for fixing one end of the drive shaft (4) is provided in the bearing fixing groove (21), and a sealing ring (23) is provided in the middle of the outer side of the front end cover (2).

4. A novel motor according to claim 1, characterized in that; A stepped platform (31) is provided in the middle of the rear end cover (3), a bearing fixing groove (32) is provided in the middle of the inner side of the stepped platform (31), a bearing (33) for fixing the other end of the drive shaft (4) is provided in the bearing fixing groove (32), an encoder mounting groove (34) is provided in the encoder mounting groove (34), an encoder seat (35) is provided in the middle of the encoder seat (35), an encoder (36) is provided in the middle of the encoder seat (35), an encoder cover (37) is provided on one side of the rear end cover (3), a groove (38) is provided in the middle of the encoder cover (37), and an oil seal (39) is provided in the groove (38).

5. A novel motor according to claim 2, characterized in that; The front end cover (2) and the rear end cover (3) are both provided with an annular boss (9) on their inward sides, and an O-ring (10) is sleeved on the outer circular wall of the annular boss (9).

6. A novel motor according to claim 1, characterized in that; The outer circular wall of the driving shaft (4) is provided with a keyway (41), the keyway (41) is provided with a transmission key (42), one side of the keyway (41) is provided with a retaining spring groove (43), and a retaining spring (44) is sleeved in the retaining spring groove (43).

7. A novel motor according to claim 1, characterized in that; The rotor assembly (5) comprises a plurality of rotor cores (51) staggered and fixedly arranged on the outer circular wall of the drive shaft (4), guide grooves (52) staggeredly provided on the inner circular walls of the plurality of rotor cores (51), a plurality of protrusions (53) annularly arranged on the outer circular wall of the rotor core (51), magnetic steel (54) being arranged between adjacent protrusions (53), a steel sleeve (55) being arranged outside the magnetic steel (54), and an air gap (56) being arranged between the steel sleeve (55) and the stator assembly (6).

8. A novel motor according to claim 1, characterized in that; The stator assembly (6) includes a plurality of stator teeth (61) assembled in a ring on the inner wall of the casing (1). Skeletons (62) are clamped and arranged on both sides of the stator teeth (61). A splicing groove (63) is arranged on one side of the stator tooth (61), and a splicing table (64) is arranged on the other side of the stator tooth (61) and spliced with the splicing groove (63).

9. A novel motor according to claim 2, characterized in that; The fixing assembly (7) includes fixing blocks (71) symmetrically arranged at both ends of the positioning groove (103). A guide sliding cavity (72) is formed in the middle of the fixing block (71). A driving plate (73) is slidably arranged in the guide sliding cavity (72). The side wall of the guide sliding cavity (72) is connected with the driving plate (73) through a return spring (74). A locking rod (75) is arranged on one side of the driving plate (73).

10. A novel motor according to claim 9, characterized in that; Locking holes (81) are symmetrically arranged on the side of the heat dissipation fin (8) and are in plug-in fit with the locking rod (75).

Images