TW202203553A - Motor - Google Patents

Abstract

The invention discloses a motor, which includes a housing, an electronics assembly, an end cover and a protective assembly. The electronics assembly is disposed in the housing, the end cover is fixed to one end of the housing, and the rotating shaft of the electronics assembly is passed through the first shaft hole of the end cover, and one side of the end cover has a ring-shaped fixing structure. The protective assembly includes a fixed member, an inner elastic seal, an outer elastic seal and an elastic outer cover. The elastic outer cover is sleeved on the ring-shaped fixing structure of the end cover, and the fixing member, the inner elastic sealing member and the outer elastic sealing member are disposed therein. The two ends of the fixing member respectively have a second accommodating groove and an engaging structure, the inner elastic sealing member and the engaging structure are engaged with each other, and the outer elastic sealing member is disposed in the second accommodating groove. The rotating shaft passes through the end cover, the inner elastic seal, the fixing member, the outer elastic seal and the elastic outer cover, and is exposed to the elastic outer cover.

Description

motor

The present invention relates to a motor, in particular to a motor suitable for use in a waterwheel.

Existing motors commonly used in waterwheels often encounter problems such as damage to the motor due to external liquid entering the interior of the motor along the rotating shaft of the motor.

The invention discloses a motor, which is mainly used to improve the existing motors used in waterwheels. The external liquid easily enters the inside of the motor along the rotating shaft of the motor, thereby causing problems such as damage to the motor.

One of the embodiments of the present invention discloses a motor, which includes: a casing, a motor motor, an end cover and a protective component. There is a motor accommodating groove in the casing, the casing has an opening, the first accommodating groove can communicate with the outside through the opening; the motor motor is arranged in the motor accommodating groove, and the motor motor includes a rotor, a stator and a rotating shaft; the end cover is detachable It is fixed to the casing to close the opening. The two opposite sides of the end cover are respectively defined as an inner end surface and an outer end surface. The end cover has a first shaft hole. The shaft hole penetrates the end cover. The annular fixing structure is arranged around the shaft hole, and one end of the annular fixing structure is concavely formed with a first accommodating groove; a protection component includes: a fixing piece, an outer elastic sealing piece, an inner elastic sealing piece and an elastic cover. The fixing piece is detachably fixed with the annular fixing structure; the fixing piece has a shaft hole, the shaft hole penetrates the fixing piece, and the opposite ends of the fixing piece are concavely formed with a second accommodating groove and convexly formed with a snap-fit structure, The second accommodating groove and the shaft hole communicate with each other; the outer elastic seal is detachably arranged in the second accommodating groove, and the outer elastic seal has a second central through hole; the inner elastic seal is detachably engaged with the engaging structure, The inner elastic seal is engaged in the first accommodating groove, and the inner elastic seal has a first central through hole; and an elastic outer cover, the elastic outer cover has a third central through hole, and the elastic outer cover is sleeved on the annular Outside the fixing structure, the fixing piece, the outer elastic sealing piece and the inner elastic sealing piece are located between the elastic outer cover and the annular fixing structure; wherein the rotating shaft is penetrated through the first shaft hole, the shaft hole, the second central hole, the first A center through hole and a third center through hole, and the outer elastic seal, the inner elastic seal and the elastic outer cover are tightly pressed against the outside of the rotating shaft, and the outer elastic seal, the inner elastic seal and the elastic outer cover are used for Prevent external liquids from entering the motor receptacle along the rotating shaft.

To sum up, the motor of the present invention can greatly improve the overall waterproof capability of the motor through the design of the fixing member, the inner elastic sealing member, the outer elastic sealing member, the elastic outer cover, etc. included in the protective component, especially to reduce the liquid outside the motor. The probability of entering the motor tank along the rotating shaft, and the motor of the present invention has a longer service life compared with the existing motor applied to the waterwheel.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and accompanying drawings of the present invention, but these descriptions and drawings are only used to illustrate the present invention, rather than make any claims to the protection scope of the present invention. limit.

In the following description, if it is indicated to refer to a specific figure or as shown in a specific figure, it is only used for emphasis in the subsequent description, and most of the related content mentioned appears in the specific figure, However, it is not limited that only the specific drawings may be referred to in this subsequent description.

Please refer to FIGS. 1 to 4 together. FIG. 1 is a schematic diagram of the motor of the present invention, FIG. 2 is a partial exploded schematic diagram of the motor of the present invention, and FIGS. 3 and 4 are the end cover 3 and the protective component 4 of the motor of the present invention. An exploded view of the different perspectives. The motor M of the present invention includes a casing 1 , a motor motor 2 , an end cover 3 and a protection component 4 .

The casing 1 has a motor accommodating slot 1A, the casing 1 has an opening 1B, and the motor accommodating slot 1A can communicate with the outside through the opening 1B. The motor motor 2 is disposed in the motor container 1A. The motor motor 2 includes a rotor 21 , a stator 22 and a rotating shaft 23 . The rotor 21 and the rotating shaft 23 are fixed to each other, and when the motor M is energized, the rotor 21 and the rotating shaft 23 can rotate relative to the stator 22 . The specific forms of the rotor 21 and the stator 22 can be changed according to requirements, and the figure shown in the figure is only an exemplary embodiment.

The end cover 3 can be detachably fixed to one end of the housing 1 by a plurality of screws S, and the end cover 3 is used to close the opening 1B, so that the motor motor 2 is enclosed in the motor accommodating slot 1A. The two opposite sides of the end cover 3 are respectively defined as an outer end surface 31 and an inner end surface 32. The end cover 3 has a first shaft hole 3A, the first shaft hole 3A penetrates the end cover 3, and the outer end surface 31 of the end cover 3 An annular fixing structure 33 is formed extending outward. The annular fixing structure 33 is arranged around the first shaft hole 3A. One end of the annular fixing structure 33 is concavely formed with a first accommodating groove 3B. The inner diameter of the first shaft hole 3A is larger than the outer diameter of the rotating shaft 23 , and the first shaft hole 3A is used for passing the rotating shaft 23 therethrough.

The protection assembly 4 includes: a fixing member 41 , an inner elastic sealing member 42 , an outer elastic sealing member 43 , an elastic outer cover 44 and a plurality of locking members 45 . The end cover 3 has a plurality of first locking holes 3C, and the plurality of first locking holes 3C are located in the first accommodating groove 3B. The fixing member 41 has a plurality of second locking holes 41A corresponding to the plurality of first locking holes 3C. The plurality of locking members 45 are mutually locked with the plurality of first locking holes 3C and the plurality of second locking holes 41A, and the fixing members 41 are detachably fixed to each other with the annular fixing structure 33 . The numbers of the first locking holes 3C and the second locking holes 41A are not limited to those shown in the figures. The fixing member 41 also has a second shaft hole 41B. The second shaft hole 41B penetrates the fixing member 41. The opposite ends of the fixing member 41 are respectively formed with a second accommodating groove 41C concavely and an engaging structure 411 formed outwardly. The second accommodating groove 41C and the second shaft hole 41B communicate with each other.

The inner elastic sealing member 42 is detachably engaged with the engaging structure 411, and the inner elastic sealing member 42 is engaged in the first accommodating groove 3B. The inner elastic sealing member 42 has a first central through hole 42A. 42A is disposed through the inner elastic seal 42 , the diameter of the first central through hole 42A is larger than the outer diameter of the rotating shaft 23 , and the first central through hole 42A is used for the rotating shaft 23 to pass through. In practical applications, the outer diameter of the inner elastic sealing member 42 may be slightly larger than the inner diameter of the first accommodating groove 3B, and the inner elastic sealing member 42 may be tightly fitted in the first accommodating groove 3B.

The outer elastic sealing member 43 is detachably disposed in the second accommodating groove 41C, the outer elastic sealing member 43 has a second central through hole 43A, the second central through hole 43A is disposed through the outer elastic sealing member 43, and the inner diameter of the second accommodating groove 41C The diameter of the second central through hole 43A is larger than that of the second central through hole 43A, and the diameter of the second central through hole 43A is not smaller than the outer diameter of the rotating shaft 23 . In practical applications, the outer diameter of the outer elastic sealing member 43 may be slightly larger than the inner diameter of the second accommodating groove 41C, and the outer elastic sealing member 43 and the second accommodating groove 41C are tightly fitted to each other.

The elastic outer cover 44 has a third central through hole 44A, and the third central through hole 44A is disposed through the elastic outer cover 44 . The elastic outer cover 44 also has a third accommodating groove 44B, the elastic outer cover 44 is sleeved outside the annular fixing structure 33 through the third accommodating groove 44B, and the fixing member 41 , the outer elastic sealing member 43 and the inner elastic sealing member 42 correspond to Located between the elastic outer cover 44 and the annular fixing structure 33 (as shown in FIG. 7 ), the plurality of first locking holes 3C, the second locking holes 41A and the plurality of locking members 45 are shielded by the elastic outer cover 44 . In practical applications, the inner diameter of the third accommodating groove 44B may be slightly smaller than the outer diameter of the annular fixing member 41 , and the third accommodating groove 44B may be sleeved outside the annular fixing structure 33 in a tightly fitting manner. In practical applications, the end cover 3 and the fixing member 41 can be made of metal material or high-hardness plastic material, while the inner elastic sealing member 42 , the outer elastic sealing member 43 and the elastic outer cover 44 are made of elastically deformable materials Made of, for example: rubber, silicone, etc.

Please refer to FIG. 7 , which is a schematic partial cross-sectional side view of the motor M of the present invention. As shown in the figure, the rotating shaft 23 is penetrated through the first shaft hole 3A, the second shaft hole 41B, the first central hole 42A, the second central hole 43A and the third central hole 44A, and the outer elastic seal 43, the inner The elastic sealing member 42 and the elastic outer cover 44 are tightly pressed against the outside of the rotating shaft 23 , and the outer elastic sealing member 43 , the inner elastic sealing member 42 and the elastic outer cover 44 are used to prevent external liquid from entering the motor along the rotating shaft 23 Tank 1A.

According to the above, the motor M of the present invention can greatly improve the waterproofness of the motor M through the design of the fixing member 41 , the inner elastic sealing member 42 , the outer elastic sealing member 43 , and the elastic outer cover 44 included in the protection assembly 4 . In particular, the possibility of liquid outside the motor M entering the motor container 1A through the rotating shaft 23 can be greatly reduced. Since the motor M of the present invention has a better waterproof effect, the motor M of the present invention is particularly suitable for use as a waterwheel motor.

As shown in FIG. 3 and FIG. 4 , it is worth mentioning that, in a preferred embodiment, the aforementioned plurality of second locking holes 41A are disposed through the fixing member 41 , and the engaging structure 411 corresponds to the plurality of second locks The hole 41A has a plurality of first avoidance notches 41D, and when each locking member 45 is locked with each second locking hole 41A, a part of each locking member 45 passes through one of the first avoidance notches 41D. The inner elastic seal 42 has a plurality of second avoidance notches 42B corresponding to the plurality of first avoidance notches 41D. When each locking member 45 is locked with each first locking hole 3C, a part of each locking member 45 passes through one of the first locking holes 3C. 2. Avoid the gap 42B. By making the engaging structure 411 have a plurality of first avoidance notches 41D and the inner elastic seal 42 with a plurality of second avoidance notches 42B, the plurality of fasteners 45 can be prevented from passing through the inner elastic seal 42 . The inner elastic seal 42 is prevented from being damaged by the locking member 45 . In more detail, if a plurality of fasteners 45 will pass through the inner elastic seal 42, the inner elastic seal 42 is used to provide the perforation (or locking hole) through which the fasteners 45 pass, which may cause external liquid to enter the motor The path in the accommodating groove 1A is designed to relatively improve the waterproofness of the motor M through the design of the plurality of first avoidance notches 41D and the plurality of second avoidance notches 42B.

Please refer to FIG. 3 to FIG. 7 together. FIG. 5 is a partial cross-sectional schematic view of the fixing member and the inner elastic sealing member of the motor of the present invention, and FIG. 6 is a partial exploded cross-sectional schematic view of the motor of the present invention. As shown in the figure, in a preferred embodiment, the fixing member 41 may include a body 412 and an annular wall 413 , and the opposite end faces of the body 412 of the fixing member 41 are respectively defined as an outer end face 4121 and an inner end face 4121 . The end surface 4122 and the outer end surface 4121 are recessed inward to form the second accommodating groove 41C, and the inner end surface 4122 of the main body 412 of the fixing member 41 extends outward to form the annular wall 413 and the aforementioned engaging structure 411 , and the annular wall 413 It is arranged around the engaging structure 411 . The position of the engaging structure 411 adjacent to the inner end surface 4122 is concave to form an inner annular groove 41E. Annular groove 41E. Wherein, the height of the annular wall 413 of the fixing member 41 relative to the inner end surface 4122 is not less than the depth of the inner annular groove.

The inner elastic seal 42 includes a body 421 and an annular wall 422. The aforementioned first central through hole 42A is disposed through the body 421 of the inner elastic seal 42. The opposite end faces of the body 421 of the inner elastic seal 42 are respectively defined as An outer end surface 4211 and an inner end surface 4212, the outer end surface 4211 of the main body 421 of the inner elastic seal 42 extends outward to form an annular wall 422, and the annular wall 422 and the main body 421 together form an engaging groove 42C, which is engaged with The slot 42C is used for engaging with the engaging structure 411 . One end of the annular wall 422 of the inner elastic seal 42 away from the main body 421 extends inward to form an inner annular convex portion 423 , and the inner annular convex portion 423 is used for engaging with the inner annular groove 41E. In practical applications, the size of the inner annular convex portion 423 may be slightly larger than that of the inner annular groove 41E, and the inner annular convex portion 423 and the inner annular groove 41E are tightly engaged with each other.

The inner end surface 4212 of the main body 421 of the inner elastic sealing member 42 also extends outward to form an inner annular sealing portion 424 . The diameter of the surrounding opening is smaller than the outer diameter of the rotating shaft 23 , and when the rotating shaft 23 passes through the first central hole 42A, the inner annular sealing portion 424 is tightly abutted against the outer surface 231 of the rotating shaft 23 .

As shown in FIG. 6 , when the fixing member 41 is fixed on one side of the annular fixing structure 33 by the locking member 45 , the inner elastic sealing member 42 will be clamped by the end cover 3 and the fixing member 41 , and the inner elastic sealing member 42 will be clamped by the end cap 3 and the fixing member 41 . The inner annular convex portion 423 is correspondingly engaged in the inner annular groove 41E, and the inner annular sealing portion 424 of the inner elastic sealing member 42 is correspondingly disposed in the first shaft hole 3A. In addition, when the fixing member 41 is fixed to each other with the annular fixing structure 33 of the end cover 3 through the plurality of locking members 45, the one end surface 341 of the annular abutting structure 34 will abut against the inner end surface 4122 of the fixing member 41, and The annular wall 413 of the fixing member 41 , the annular abutting structure 34 and the annular fixing structure 33 will jointly form an outer annular groove SL.

The elastic outer cover 44 includes a main body 441 and an annular wall 442 . The opposite end surfaces of the main body 441 are respectively defined as an outer end surface 4411 and an inner end surface 4412 . The outer end surface 4411 of the main body 441 of the elastic outer cover 44 is formed by extending outward. An auxiliary annular wall 443 is disposed around the third central through hole 44A. The end of the auxiliary annular wall 443 away from the main body 441 extends inward to form an outer annular sealing portion 444 . In practical applications, the diameter of the opening surrounded by the outer annular sealing portion 444 is smaller than the outer diameter of the rotating shaft 23 , and when the rotating shaft 23 passes through the third central through hole 44A, the outer annular sealing portion 444 is tightly abutted against on the outer side surface 231 of the rotating shaft 23 .

The inner end surface 4412 of the main body 441 of the elastic outer cover 44 extends outward to form an annular wall 442 . The outer annular convex portion 445 is used to engage with the aforementioned outer annular groove SL. In practical applications, the size of each outer annular convex portion 445 may be slightly larger than that of the outer annular groove SL, while the The protruding portions 445 can be engaged with each other in a tight fit manner. In addition, the inner end surface 4412 of the body 441 of the elastic outer cover 44 may also extend outward to form two auxiliary annular protrusions 446 , the two auxiliary annular protrusions 446 are arranged around the third central through hole 44A, and each auxiliary annular protrusion 446 The height of the convex portion 446 relative to the inner end surface 4412 is smaller than the height of the annular wall 442 relative to the inner end surface 4412 . Wherein, the number of the auxiliary annular protrusions 446 included in the elastic outer cover 44 can be increased or decreased according to requirements, and the figure is only an exemplary embodiment. In a preferred embodiment, the height of each auxiliary annular convex portion 446 relative to the inner end surface 4412 may be determined according to the thickness of the fixing member 41 and the height of the annular wall 442 of the elastic outer cover 44 and other geometric dimensions, and accordingly When the outer annular convex portion 445 of the elastic outer cover 44 is engaged with the outer annular groove SL, the plurality of auxiliary annular convex portions 446 tightly abut against the outer end surface 4121 of the fixing member 41, thereby effectively preventing External liquid enters the rotating shaft 23 .

It is worth mentioning that a portion of the rotating shaft 23 adjacent to the elastic outer cover 44 may also be formed with a ring-shaped protruding structure 232 . When the elastic outer cover 44 is sleeved on the annular fixing structure 33, a part of the elastic outer cover 44 will closely abut against the protruding structure 232, thereby reducing the external liquid entering the motor M along the rotating shaft 23. internal.

7 , the motor M of the present invention passes through the outer annular sealing portion 444 of the elastic outer cover 44 , the protruding structure 232 of the rotating shaft 23 , the inner annular sealing portion 424 of the inner elastic sealing member 42 and The design of the outer elastic seal 43 will greatly reduce the probability of the liquid outside the motor M entering the interior of the motor M from the rotating shaft 23 along the X-axis direction shown in FIG. 7; 23 When entering the interior of the motor M along the X-axis direction shown in FIG. 7, the liquid will be successively subjected to the outer annular sealing portion 444, the part of the elastic outer cover 44 that abuts against the protruding structure 232, and the inner elastic sealing member 42. and at least 4 layers of related protective structures such as the outer elastic seal 43 to block.

In addition, the motor M of the present invention is designed with the outer annular convex portion 445 , the annular abutting structure 34 , the auxiliary annular convex portion 446 , and the inner annular convex portion 423 , etc., which can greatly reduce the elasticity of the liquid outside the motor M from the outside. The probability of the cover 44 entering the inside of the motor M along the Y-axis direction shown in FIG. 7; in other words, when the liquid outside the motor M is to enter the inside of the motor M by the elastic outer cover 44 along the Y-axis direction shown in FIG. It will be blocked by at least four layers of related protective structures of the outer annular convex portion 445 , the annular abutting structure 34 , the auxiliary annular convex portion 446 and the inner annular convex portion 423 . Therefore, whether the liquid outside the motor M is along the X-axis direction or the Y-axis direction shown in FIG. 7, if it wants to enter the interior of the motor M, it will be blocked by the multi-layer related protective structure, so the motor M of the present invention has a relatively Excellent water resistance.

Please refer to FIG. 3 to FIG. 6 and FIG. 8 to FIG. 13 together. FIGS. 8 to 13 are schematic diagrams showing the process of disassembling the fixing member, the inner elastic sealing member and the outer elastic sealing member of the motor of the present invention. As shown in FIG. 3 and FIG. 5 , the fixing member 41 may further include a plurality of auxiliary locking holes 41F, each auxiliary locking hole 41F is a threaded penetration hole, and the plurality of auxiliary locking holes 41F are formed in the fixing member 41 in a dispersed manner; In practical applications, each auxiliary locking hole 41F may be disposed between two adjacent second locking holes 41A. Each auxiliary locking hole 41F is used to provide a plurality of auxiliary locking members 46 (such as screws) for locking, so that the user can relatively easily lock the auxiliary locking member 46 by pulling the auxiliary locking member 46 mutually locked with the plurality of auxiliary locking holes 41F. The fixing member 41 , the inner elastic sealing member 42 and the outer elastic sealing member 43 are pulled out from the end cover 3 together.

More specifically, as shown in FIG. 1 , FIG. 8 and FIG. 9 , when the user wants to remove the fixing member 41 , the inner elastic sealing member 42 and the outer elastic sealing member 43 from the end cover 3 , the user can First, the elastic outer cover 44 is pulled out from the end cover 3 to expose the fixing member 41 and the plurality of locking members 45 locked thereon. As shown in FIG. 10 , the user can then remove the plurality of locking members 45 from the fixing member 41 by using a related tool (eg, a screwdriver).

In particular, please refer to FIG. 6 and FIG. 7 again, since a part of the inner elastic sealing member 42 is arranged in the first accommodating groove 3B of the end cover 3 , and a part of the inner elastic sealing member 42 is arranged in a clamping arrangement In the first shaft hole 3A, in the state shown in FIG. 10 , even if the plurality of locking members 45 have been removed from the fixing member 41 , it is still difficult for the user to pull the fixing member 41 out of the end cap 3 with bare hands. In addition, if the user uses other tools (such as various pliers) to clamp the fixing member 41 to pull the fixing member 41 away from the end cover 3 , this method may cause damage to the fixing member 41 , and it is not easy in practical application. implement.

As shown in FIG. 11 to FIG. 13 , since the fixing member 41 of the motor M in this embodiment has a plurality of auxiliary locking holes 41F, in the case shown in FIG. The locking member 46 is locked in the plurality of auxiliary locking holes 41F, so that the user can clamp the plurality of auxiliary locking members 46 with relevant tools (such as various pliers), so that the fixing member 41 and the inner elastic member can be relatively easily fixed. The sealing member 42 and the outer elastic sealing member 43 are pulled away from the end cover 3 .

In practical applications, each second locking hole 41A and each auxiliary locking hole 41F have the same diameter, and the plurality of locking members 45 included in the guard assembly 4 can be mutually locked with the plurality of auxiliary locking holes 41F, that is, That is, in the state shown in FIG. 10 , after the user removes the locks 45 originally locked in the plurality of second locking holes 41A, the plurality of locks 45 can be directly locked to the auxiliary locks 45 . The locking hole 41F, and then, the user can pull out the locking members 45 locked in the plurality of auxiliary locking holes 41F with the relevant tools, so as to pull out the fixing member 41, the inner elastic sealing member 42 and the outer elastic sealing member 43 from the ends. Cover 3.

It is worth mentioning that since each locking member 45 is used to lock the fixing member 41 to the end cover 3, in a preferred embodiment, each locking member 45 and each auxiliary locking member 46 may be of different sizes. 11, the user uses other screws to lock in the auxiliary locking holes 41F. In this way, if the user pulls the auxiliary locking pieces 46 with a tool, the auxiliary Damage to the threads of the locking member 46 will not affect the sealing performance when the user subsequently locks the fixing member 41 to the end cover 3 . That is to say, if the auxiliary locking member 46 and the locking member 45 are identical screws, When the thread of the screw is damaged, the screw can no longer lock the fixing member 41 to the end cover 3 .

According to the above, the design of disposing a plurality of auxiliary locking holes 41F in the fixing member 41 will facilitate the user to disassemble the fixing member 41 , the inner elastic sealing member 42 and the outer elastic sealing member 43 , while the user is disassembling the fixing member 41 . During the process of the inner elastic seal 42 and the outer elastic seal 43, the tool used by the user may not clamp the fixing piece 41 at all, and when the fixing piece 41 is detached from the end cover 3, the fixing piece 41 will not damaged, so as to ensure that when the fixing member 41 is locked to the end cover 3 again, the fixing member 41 and the elastic outer cover 44 still maintain the same sealing performance.

More specifically, as mentioned above, since the outer annular convex portion 445 of the elastic outer cover 44 is engaged in the outer annular groove SL jointly formed by the fixing member 41 and the end cover 3, therefore, during the fixing In the embodiment in which the auxiliary locking hole 41F is not provided on the part 41, if the user uses a tool such as pliers to clamp the outer edge of the fixing part 41, the fixing part 41, the inner elastic sealing part 42 and the outer elastic sealing part 43 can be pulled out. The end cap 3, and during the operation, tools such as pliers damage the outer edge of the fixing member 41, so that the outer annular convex portion 445 of the elastic outer cover 44 may not be tightly engaged with the fixing member 41 and the fixing member 41. In the outer annular groove SL jointly formed by the end caps 3, the waterproofness of the motor M may be reduced. Therefore, the above-mentioned design of additionally setting the fixing member 41 with a plurality of auxiliary locking holes 41F and cooperating with a plurality of auxiliary locking members 46 can reduce the probability of the fixing member 41 being damaged during the process of being pulled out of the end cover 3, and can Accordingly, the fixing member 41 is locked to the end cover 3 again, and the waterproofness of the elastic outer cover 44 after the annular fixing structure 33 is sleeved is ensured.

To sum up, the motor M of the present invention can greatly improve the overall waterproofness of the motor M through the design of the end cover 3 and the protective assembly 4 and other components, and especially can greatly reduce the water vapor outside the motor M entering the motor through the rotating shaft 23. In addition, the motor M of the present invention provides a plurality of auxiliary locking holes 41F in the fixing member 41 and other designs, so that the user can relatively easily pull the fixing member 41 away from the end cover 3 .

The above descriptions are only preferred feasible embodiments of the present invention, which do not limit the scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the protection scope of the present invention. .

M: motor 1: Shell 1A: Motor container 1B: Opening 2: motor motor 21: Rotor 22: Stator 23: Rotary shaft 231: outer side 232: Protruding structure 3: end cap 3A: The first shaft hole 3B: The first tank 3C: The first keyhole 31: outer end face 32: inner end face 33: Ring fixed structure 34: Annular abutting structure 341: End face 4: Protection components 41: Fixing parts 41A: Second keyhole 41B: Second shaft hole 41C: Second container 41D: First Avoidance Gap 41E: Inner annular groove 41F: Auxiliary keyhole 411: snap-fit structure 4111: Outer ring side 412: Ontology 4121: outer end face 4122: inner end face 413: Ring Wall 42: Inner elastic seal 42A: First center perforation 42B: Second Avoidance Gap 42C: snap-fit slot 421: Ontology 4211: Outer face 4212: inner end face 422: Ring Wall 423: Inner annular convex part 424: Inner annular seal 43: Outer elastic seal 43A: Second center perforation 44: Elastic cover 44A: Third center perforation 44B: The third tank 441: Ontology 4411: outer end face 4412: inner end face 442: Ring Wall 443: Auxiliary annular wall 444: Outer annular seal 445: Outer annular convex part 446: Auxiliary annular protrusion 45: Lock firmware 46: Auxiliary lock S: Screw SL: Outer annular groove

FIG. 1 is a schematic diagram of the motor of the present invention.

FIG. 2 is a partial exploded schematic view of the motor of the present invention.

FIG. 3 and FIG. 4 are exploded schematic views of the end cover and the protective assembly of the motor of the present invention from different perspectives.

FIG. 5 is a partial cross-sectional schematic diagram of the fixing member and the inner elastic sealing member of the motor of the present invention.

6 is a partial exploded cross-sectional schematic view of the motor of the present invention.

FIG. 7 is a schematic partial cross-sectional side view of the motor of the present invention.

8 to 13 are schematic views of the process of disassembling the fixing member, the inner elastic sealing member and the outer elastic sealing member of the motor of the present invention.

3: end cap

3A: The first shaft hole

3B: The first tank

3C: The first keyhole

31: outer end face

33: Ring fixed structure

34: Annular abutting structure

341: End face

4: Protection components

41: Fixing parts

41A: Second keyhole

41B: Second shaft hole

41C: Second container

41F: Auxiliary keyhole

413: Ring Wall

42: Inner elastic seal

42A: First center perforation

42B: Second Avoidance Gap

42C: snap-fit slot

43: Outer elastic seal

43A: Second center perforation

44: Elastic cover

44A: Third center perforation

45: Lock firmware

Claims (12)

A motor comprising: a casing with a motor accommodating slot therein, the casing having an opening, and the motor accommodating slot can communicate with the outside through the opening; a motor motor, which is arranged in the motor container, and the motor motor includes a rotor, a stator and a rotating shaft; An end cover, which is detachably fixed to the casing to close the opening, the two opposite sides of the end cover are respectively defined as an inner end surface and an outer end surface, and the end cover has a first shaft hole , the first shaft hole penetrates the end cover, the outer end surface extends outward to form an annular fixing structure, the annular fixing structure is arranged around the first shaft hole, and one end of the annular fixing structure A first accommodating groove is formed in the concave; A protective assembly comprising: a fixing piece, which is detachably fixed to the annular fixing structure; the fixing piece has a second shaft hole, the second shaft hole penetrates the fixing piece, and the opposite ends of the fixing piece A second accommodating groove is formed concavely and an engaging structure is formed convexly, respectively, and the second accommodating groove and the first shaft hole communicate with each other; an outer elastic sealing member, which is detachably disposed in the second receiving groove, and the outer elastic sealing member has a second central through hole; An inner elastic sealing member, which is detachably engaged with the engaging structure, and the inner elastic sealing member is engaged in the first accommodating groove, and the inner elastic sealing member has a first central through hole ;and an elastic outer cover having a third central through hole, the elastic outer cover is sleeved outside the annular fixing structure, and the fixing member, the outer elastic sealing member and the inner elastic sealing member are located at the between the elastic outer cover and the annular fixing structure; Wherein, the rotating shaft passes through the first shaft hole, the second shaft hole, the second center through hole, the first center through hole and the third center through hole, and the outer elastic seal The outer elastic sealing member, the inner elastic sealing member and the elastic outer cover are all tightly against the outside of the rotating shaft, and the outer elastic sealing member, the inner elastic sealing member and the elastic outer cover are used to prevent External liquid enters the motor receptacle along the rotating shaft. The motor according to claim 1, wherein an outer annular groove is formed between the fixing member and the annular fixing structure, and an end of an annular wall of the elastic outer cover extends inward to form an outer annular groove. An annular convex portion, the outer annular convex portion is engaged with the outer annular groove. The motor according to claim 2, wherein one end surface of the annular fixing structure extends outward to form an annular abutting structure, and the outer diameter of the annular abutting structure is smaller than the outer diameter of the annular fixing structure ; wherein, the fixing piece is fixed on the end cover, and the fixing piece abuts against an end face of the annular abutting structure, and the fixing piece and the annular abutting structure together form the Outer annular groove. The motor according to claim 3, wherein the fixing member comprises a body and an annular wall, and the annular wall of the fixing member is formed with an end of the body of the fixing member facing the One side of the engaging structure is extended and formed; the annular abutting structure abuts against the end surface of the main body of the fixing piece, and the annular wall and the annular abutting on the fixing piece The structure and the annular fixing structure together form the outer annular groove. The motor of claim 4, wherein an inner annular groove is formed on the engaging structure at a position adjacent to the body of the fixing member, and a distal end of the inner elastic sealing member extends inward to form an inner annular groove. An annular convex portion, the inner annular convex portion surrounds the first central through hole, and the inner annular convex portion and the inner annular groove are mutually engaged. The motor of claim 1, wherein the guard assembly further comprises a plurality of locking members, the end cover has a plurality of first locking holes, and the fixing member has a plurality of second locking holes and a plurality of auxiliary locks a hole; the fixing member is locked to the annular fixing structure through the mutual cooperation of a plurality of the locking members, a plurality of the first locking holes and a plurality of the second locking holes; wherein, the The elastic outer cover is sleeved on the annular fixing structure, and the plurality of first locking holes, the second locking holes and the plurality of locking pieces are covered by the elastic outer cover. The motor of claim 6, wherein each of the second locking holes and each of the auxiliary locking holes have the same diameter, and a plurality of the locking members can be mutually locked with the plurality of the auxiliary locking holes. The motor of claim 6, wherein the engaging structure has a plurality of first avoidance notches, the inner elastic seal has a plurality of second avoidance notches; the plurality of first avoidance notches are adjacent to the plurality of first avoidance notches The second locking holes are provided, and a part of the plurality of locking members locked in the plurality of the second locking holes passes through the plurality of the first avoidance notches and the plurality of the second avoidance notches. The motor of claim 1, wherein the fixing member has a body and an annular wall, and the engaging structure forms an inner annular groove at a position adjacent to the body of the fixing member, so The annular wall of the fixing piece is formed by extending from one side of the body of the fixing piece, the first central through hole penetrates a body of the inner elastic sealing piece, and all the inner elastic sealing piece has a body. The body and the annular wall of the inner elastic seal together form an engagement groove, the engagement groove and the engagement structure are engaged with each other, and the annular wall of the inner elastic seal is engaged with each other. One end of the wall opposite to the body of the inner elastic sealing member extends inwardly to form an inner annular convex portion, and the inner annular convex portion and the inner annular groove are mutually engaged. The motor according to claim 1, wherein an inner annular sealing portion protrudes outward from the side of the inner elastic sealing member opposite to the mutually engaging side of the fixing member, and the inner annular sealing portion surrounds The first central through hole, the inner annular sealing portion is engaged in the first shaft hole, and the inner side of the inner annular sealing portion abuts against the outer side of the rotating shaft. The motor of claim 1, wherein the elastic outer cover comprises a body and an annular wall, and one side of the main body of the elastic outer cover extends to form the annular wall of the elastic outer cover At least one auxiliary annular convex portion is formed on the side surface of the body of the elastic outer cover adjacent to the annular wall of the elastic outer cover to protrude outward, and the auxiliary annular convex portion surrounds the The third center perforation is provided. The motor according to claim 1, wherein the elastic outer cover is opposite to a side surface sleeved on the annular fixing structure, and an annular wall is formed to protrude outward, and the ring of the elastic outer cover is formed. The end of the shaped wall extends inward to form an outer annular sealing portion, and the outer annular sealing portion is tightly pressed against the outside of the rotating shaft.

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