CN215498514U - Cover body assembly, motor and air conditioning device - Google Patents

Abstract

The utility model provides a cover body assembly, a motor and an air conditioning device, wherein the cover body assembly comprises a first cover body, a second cover body and a wire passing groove, the wire passing groove is formed in the first cover body, and a power line of the motor can penetrate through the wire passing groove. The second cover body is detachably arranged on the first cover body and is positioned at the wire passing groove, and one part of the power wire is positioned between the first cover body and the second cover body. According to the utility model, the second cover body detachable from the first cover body is arranged, the wire passing groove is completely exposed under the condition that the second cover body and the first cover body are separated, the power wire can smoothly extend into the wire passing groove, the assembly difficulty of the power wire is reduced, under the condition that the second cover body and the first cover body are assembled, the power wire can be clamped by the second cover body and the first cover body, and in the operation process of the motor, the second cover body and the first cover body act on the power wire, so that the position stability of the power wire can be effectively ensured, the safety use performance of the motor is improved, and the normal use performance of the motor is prevented from being influenced by the looseness of the power wire.

Description

Cover body assembly, motor and air conditioning device

Technical Field

The utility model relates to the technical field of motors, in particular to a cover body assembly, a motor and an air conditioning device.

Background

At present, the motors in the industry are various, and a plurality of different motors are developed according to different use conditions of users. Regarding the arrangement of the power line in the motor, a wire outlet hole is generally arranged on the end cover of the motor, and the power line passes through the wire outlet hole to extend into the motor so as to be connected with the components in the motor.

However, the undersize of the outlet hole can make the power cord difficult to assemble, and the power cord may be scratched or worn at the end cap. If the size of wire hole is too big, then power cord position stability is relatively poor, may drop from the motor is inside, can't ensure the normal practicality of motor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, a first aspect of the present invention is to provide a cover assembly.

A second aspect of the utility model provides an electric machine.

A third aspect of the present invention is to provide an air conditioning apparatus.

In view of this, according to a first aspect of the present invention, there is provided a cover assembly for a motor, including a first cover, a second cover and a wire passing groove, wherein the wire passing groove is disposed on the first cover, and a power line of the motor can be inserted into the wire passing groove. The second cover body is detachably arranged on the first cover body and is positioned at the wire passing groove, and one part of the power wire is positioned between the first cover body and the second cover body.

The cover body assembly comprises a first cover body and a second cover body which are connected, wherein a wire passing groove is formed in the first cover body, the wire passing groove penetrates through the first cover body, and a part of a power line of a motor can penetrate through the wire passing groove. The second cover body is detachably arranged on the first cover body, and the second cover body is covered on the wire passing groove of the first cover body, namely, the second cover body can play a part of the role of the wire passing groove of the sealing cover. When the second cover body is separated from the first cover body, the wire passing groove is completely exposed, the power wire can smoothly extend into the wire passing groove, the assembly difficulty of the power wire is reduced, and the power wire is prevented from being scratched in the assembly process and possibly damaged. When the second cover body is installed on the first cover body, the second cover body and the first cover body can clamp the power line, and in the running process of the motor, the second cover body and the first cover body act on the power line, so that the position stability of the power line can be effectively ensured, the safety use performance of the motor is improved, and the power line is prevented from being loosened to influence the normal use performance of the motor.

In one possible design, the first cover further includes an end wall and a side wall, and the side wall is connected to an outer edge of the end wall. The wire passing groove comprises a first notch and a second notch which are communicated, the first notch is arranged on the end wall, and the second cover body is located at the first notch. The second notch is arranged on the side wall and used for accommodating a power line.

In this design, the first cover includes an end wall and a side wall, the end wall is a wall surface perpendicular to the axial direction of the motor, and the side wall is connected to the outer edge of the end wall. It should be noted that the end wall is circular, and the lateral wall is connected on the periphery wall of end wall, and the lateral wall extends along the axial, and when lid body assembly was applied to the motor, end wall and end cover can form cylindric cavity to can be better with the stator module of motor, the shape adaptation of rotor subassembly, do benefit to the structural configuration rationality that promotes the motor. The end walls and the side walls can form a cavity, and in the assembling process of the power line, the power line can stretch into the cavity from the outside through the wire groove so as to be connected with other parts in the cavity. The wire passing groove is formed by two communicated parts and specifically comprises a first notch arranged on the end wall and a second port arranged on the side wall. The power cord can stretch into in the cavity through the second notch. For example, when the second notch is disposed on the left portion of the sidewall, the power cord extends into the cavity through the second port along the left-to-right direction, so that the operation is simple. Further, the second lid can be connected in first notch department, and top-down's direction can be followed to the second lid promptly, covers and establishes in the first notch department of first lid, and operating personnel only need push down can install the second lid on first lid, labour saving and time saving, and it is convenient to assemble.

Specifically, when the power cord is installed on the cover body assembly, when the second cover body is installed on the first cover body, the first notch is covered by the second cover body, a part of the power cord is clamped between the first cover body and the second cover body, and the first cover body and the second cover body not only can provide an axial limiting effect for the power cord, but also can prevent the power cord from loosening in the circumferential direction.

In one possible design, further, the second cover includes a cover body including a plurality of contact walls that contact the first cover, and a plurality of elastic arms. An elastic arm is connected to a contact wall, and the elastic arm can abut against the first cover body.

In the design, the second cover body comprises a cover body and a plurality of elastic arms, the cover body is provided with a plurality of contact walls, when the second cover body is installed on the first cover body, the contact walls can be in contact with the first cover body, the contact area of the first cover body and the contact area of the second cover body can be increased, and the connection stability of the first cover body and the second cover body is improved. A plurality of elastic arms are arranged on the cover body at intervals, one contact wall comprises one elastic arm, and the elastic arm can abut against the first cover body, so that the second cover body and the first cover body can be tightly matched. Specifically, the elastic arm is deformed by an external force and extends into the inner side of the first cover body, and after the external force is released, the elastic arm can abut against the inner wall of the first cover body after being recovered.

Specifically, the quantity of elastic arm is three, and three elastic arm interval distribution is on covering the body to can make first lid and second lid atress even, promote structural stability.

In one possible design, the lid assembly further includes a lap joint portion provided on the end wall, the lap joint portion being located in the first notch, and a portion of the lid body overlapping the lap joint portion.

In this design, the lid subassembly still includes overlap joint portion, and overlap joint portion connects on the end wall of first lid, and overlap joint portion is located first notch, forms spacing step between overlap joint portion and the end wall, and the lid body can be set up on overlap joint portion, and overlap joint portion has further increased the area of contact between lid body and the first lid, and can provide the ascending support of axial for the lid body, further ensures the position reliability of second lid. Specifically, a portion of the cap body extends outward to form an outward extension portion, which is lapped on the lap portion.

It should be noted that, when the second lid is installed on first lid, the surface of second lid and the mutual parallel and level of end wall surface of first lid, the whole of the axial terminal surface of lid subassembly is the parallel and level form promptly, can promote the outward appearance aesthetic feeling of motor on the one hand, and on the other hand is also convenient for because the outward appearance face of lid subassembly is comparatively regular, and then can make things convenient for the cooperation between its and other structure spares of motor.

In a possible design, further, the number of the overlapping parts is multiple, and the multiple overlapping parts are arranged in the first notch at intervals.

In this design, the quantity of overlap joint portion is a plurality of, and a plurality of overlap joint portion intervals are established in first notch, and a plurality of overlap joint portions can provide more reliable supporting role for the second lid.

It should be noted that, the arc transition between two adjacent wall surfaces on the overlapping part prevents to cause the scratch damage to the power cord.

In a possible design, further, the cover assembly further includes a protection member detachably disposed at the wire passing groove and interposed between the first cover and the second cover, and a portion of the power line is embedded in the protection member.

In the design, the cover body assembly further comprises a protection piece, the protection piece is used for protecting the wire ends of the power wires, and meanwhile, a plurality of power wires can be integrated to facilitate subsequent installation, welding and the like of the power wires. Specifically, a part of the power cord is embedded in the protector, and the power cord and the protector can be assembled as a whole during assembly. Specifically, protection piece detachably establishes in crossing wire casing department, through the effect of protection piece, can avoid power cord and first lid, second lid direct contact, has effectively reduced the impaired possibility of power cord.

In a possible design, further, the cover assembly further includes a limit groove, the limit groove is formed in the side wall, the limit groove is communicated with the second notch, and a portion of the protection member can be clamped in the limit groove.

In this design, the lid subassembly still includes the spacing groove, and the spacing groove is seted up on the lateral wall and is communicated with the second notch, and when protection piece was installed on first lid, partly card of protection piece was established at the spacing inslot to can prevent that protection piece from moving for the second lid, further ensured the positional stability of power cord.

In one possible design, further, the protection member is a flexible member.

In this design, the protection piece includes rubber spare and working of plastics, and the working of plastics is the plastic sleeve pipe, and the plastic sleeve pipe cover is established on the power cord, and the rubber spare is binded together through binding ribbon and plastic sleeve pipe, plays the effect of sealed and protection power cord. When the protection piece is the flexible piece, then the flexible piece can play certain cushioning effect, and can reduce the assembly degree of difficulty because of the deformation of self.

In a possible design, further, the cover assembly further includes a mounting groove, the mounting groove is provided on the end wall, the mounting groove is communicated with the wire passing groove, and a part of the bearing assembly of the motor can be embedded in the mounting groove.

In this design, the cover assembly further includes a mounting groove provided on the end wall, a portion of the bearing assembly of the motor being capable of being inserted into the mounting groove. Specifically, the bearing assembly includes a bearing mount and a bearing disposed on the bearing mount. Part of bearing mount pad is protruding in order to form the boss, and the boss can inlay and establish in the mounting groove to realize the location installation of bearing assembly at lid body subassembly. It should be noted that the mounting groove is irregular. Further, the mounting groove communicates with the wire passing groove, so that stress can be released, and the local stress concentration, possible fatigue fracture and the like caused by the fact that the bearing assembly and the second cover body are mounted on the first cover body are avoided.

In one possible design, the cover assembly further includes a plurality of assembly holes spaced apart on the end wall, and the fasteners of the motor can pass through the bearing assembly and the assembly holes.

In this design, the cover assembly further includes a plurality of mounting holes spaced apart on the end wall. Specifically, the fitting hole may be a threaded hole, a staking hole, or the like. The fastener of the motor can pass through the bearing assembly and the assembly hole. The fasteners may be screws, rivets, etc. The mounting groove can provide a pre-positioning for the mounting of the bearing assembly, and the fastener passes through the bearing assembly and the mounting hole, thereby realizing a reliable connection between the bearing assembly and the cover assembly. It should be noted that a plurality of assembly holes may be evenly spaced on the end wall. Specifically, the number of the fitting holes is three.

In one possible design, further, the first cover is a one-piece structure. The second cover body is of an integrated structure.

In this design, first lid formula structure as an organic whole, because the mechanical properties of integral type structure is good, therefore can improve the joint strength between end wall and the lateral wall, in addition, can make end wall and lateral wall an organic whole, batch production to improve the machining efficiency of product, reduce the processing cost of product. In addition, the end wall and the side wall are designed into an integrated structure, the integrity of the first cover body is improved, the number of parts is reduced, the mounting procedures are reduced, the mounting efficiency is improved, and the first cover body is more convenient and reliable to mount. In a similar way, the second cover body is of an integrated structure, so that the connection strength between the cover body and the elastic arm can be improved, and in addition, the cover body and the elastic arm can be integrally manufactured and produced in batches, so that the processing efficiency of products is improved, and the processing cost of the products is reduced. In addition, the cover body and the elastic arm are designed into an integrated structure, so that the integrity of the second cover body is improved, the number of parts is reduced, the installation procedures are reduced, the installation efficiency is improved, and the second cover body is more convenient and reliable to install.

In one possible design, further, the first cover and the second cover are both metal covers.

In this design, first lid and second lid are the metal lid, and first lid and second lid can all be prepared through casting process. The metal cover body has a fireproof function, prevents the parts in the cavity from being ignited and diffusing outwards, and improves the safety performance of the product.

According to a second aspect of the present invention, there is provided an electrical machine comprising a metal casing, a power supply cord and a cover assembly as provided in any of the above designs, the cover assembly being connected to the metal casing and enclosing a receiving cavity. Part of the power cord passes through the wire passing groove on the cover body assembly and extends into the accommodating cavity.

The motor provided by the utility model comprises the cover body assembly provided by any design, so that all beneficial effects of the cover body assembly are achieved, and the details are not repeated.

In a possible design, further, the motor further includes a control board, a stator assembly and a rotor assembly, wherein the control board is disposed on the cover assembly, the control board is located in the accommodating cavity, and the power line is welded on the control board. Stator module locates and holds the intracavity, and stator module includes stator winding, and stator winding's wiring end is connected on the control panel. The rotor assembly is sleeved on the outer side of the stator assembly.

In this design, the motor further includes a control board, a stator assembly and a rotor assembly, wherein the control board is disposed on the cover assembly, specifically, the control board is disposed on the inner side of the cover assembly, that is, the control board is located in the accommodating cavity, it should be noted that the cavity formed by the cover assembly itself constitutes a part of the accommodating cavity. The power cord stretches into the one end welding that holds the chamber on the control panel. Stator module locates and holds the intracavity, and stator module includes stator winding, and stator winding's wiring end is connected on the control panel, that is to say, and the power cord passes through the control panel to be connected with stator winding, and then realizes the current input to stator winding. Further, the rotor assembly is sleeved on the outer side of the stator assembly, namely the motor is an outer rotor motor.

According to a third aspect of the present invention, there is provided an air conditioning apparatus comprising a motor as provided in any of the above designs.

The air conditioning device provided by the utility model comprises the motor provided by any design, so that the air conditioning device has all the beneficial effects of the motor, and the details are not repeated.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic view of a part of the structure of an electric machine according to an embodiment of the utility model;

fig. 2 is a partial structural view of a cover assembly according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

100 of the cover body assembly, and a cover body assembly,

110 a first cover body, 111 an end wall, 112 a side wall, 113 a lap joint part, 114 a limiting groove,

120 a second cover body, 121 a cover body, 122 an elastic arm,

130, 131 a first notch, 132 a second notch,

140 protective elements, 141 rubber elements, 142 plastic sleeves,

151 mounting grooves, 152 fitting holes,

200 of the motor, and the motor is arranged,

210 power supply lines.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes the cover assembly 100, the motor 200, and the air conditioner according to the embodiment of the present invention with reference to fig. 1 and 2.

Example one

According to a first aspect of the present invention, as shown in fig. 1, there is provided a cover assembly 100 for a motor 200, which includes a first cover 110, a second cover 120 and a wire passing groove 130, wherein the wire passing groove 130 is disposed on the first cover 110, and a power wire 210 of the motor 200 can pass through the wire passing groove 130. The second cover 120 is detachably disposed on the first cover 110 and located at the wire passing groove 130, and a portion of the power cord 210 is located between the first cover 110 and the second cover 120.

In the cover assembly 100 provided by the present invention, the cover assembly 100 includes the first cover 110 and the second cover 120 connected to each other, the first cover 110 is provided with the wire passing groove 130, the wire passing groove 130 is disposed on the first cover 110 in a penetrating manner, and a part of the power line 210 of the motor 200 can pass through the wire passing groove 130. The second cover 120 is detachably disposed on the first cover 110, and the second cover 120 covers the wire passing groove 130 of the first cover 110, that is, the second cover 120 can function as a part of the wire passing groove 130 of the cover. When the second cover 120 is separated from the first cover 110, the wire passing groove 130 is completely exposed, and the power wire 210 can smoothly extend into the wire passing groove 130, so that the assembly difficulty of the power wire 210 is reduced, and the power wire 210 is prevented from being scratched and possibly damaged in the assembly process. When the second cover 120 is mounted on the first cover 110, the second cover 120 and the first cover 110 can clamp the power line 210, and in the operation process of the motor 200, the second cover 120 and the first cover 110 act on the power line 210, so that the position stability of the power line 210 can be effectively ensured, the safety use performance of the motor 200 is improved, and the power line 210 is prevented from being loosened to influence the normal use performance of the motor 200.

It should be noted that the wire passing groove 130 is circumferentially disposed on the first cover 110, so as to provide a sufficient installation space for the power cord 210.

Further, as shown in fig. 1 and 2, the first cover 110 includes an end wall 111 and a side wall 112, and the side wall 112 is connected to an outer edge of the end wall 111. The wire guide groove 130 includes a first notch 131 and a second notch 132 communicating with each other, the first notch 131 is disposed on the end wall 111, and the second cover 120 is located at the first notch 131. A second slot 132 is provided in the side wall 112, the second slot 132 being adapted to receive the power cord 210.

In this embodiment, the first cover 110 includes an end wall 111 and a side wall 112, the end wall 111 is a wall surface perpendicular to the axial direction of the motor 200, and the side wall 112 is connected to an outer edge of the end wall 111. It should be noted that, the end wall 111 is circular, the side wall 112 is connected to the outer peripheral wall of the end wall 111, and the side wall 112 extends along the axial direction, when the cover assembly 100 is applied to the motor 200, the end wall 111 and the end cover can form a cylindrical cavity, so that the end cover can be better adapted to the shapes of the stator assembly and the rotor assembly of the motor 200, and the structural layout rationality of the motor 200 is improved. The end wall 111 and the side wall 112 can form a cavity into which the power cord 210 can extend from the outside through the wire slot 130 during assembly of the power cord 210 to connect with other components within the cavity. The wire passage channel 130 is formed by two communicating parts, and specifically includes a first notch 131 provided on the end wall 111 and a second port provided on the side wall 112. The power cord 210 can extend into the cavity through the second slot 132. For example, when the second notch 132 is disposed on the left portion of the sidewall 112, as shown in fig. 1, the power cord 210 extends into the cavity through the second port in the left-to-right direction, which is convenient for operation. Further, the second cover body 120 can be connected to the first notch 131, as shown in fig. 1, that is, the second cover body 120 can be covered on the first notch 131 of the first cover body 110 along the direction from top to bottom, and an operator can install the second cover body 120 on the first cover body 110 only by pressing down, so that time and labor are saved, and the assembly is convenient.

Specifically, when the power cord 210 is mounted on the cover assembly 100 and the second cover 120 is mounted on the first cover 110, the first notch 131 is covered by the second cover 120, and a part of the power cord 210 is sandwiched between the first cover 110 and the second cover 120, so that the first cover 110 and the second cover 120 can not only provide a limit function for the power cord 210 in the axial direction, but also prevent the power cord 210 from loosening in the circumferential direction.

Further, as shown in fig. 1, the second cover 120 includes a cover body 121 and a plurality of elastic arms 122, and the cover body 121 includes a plurality of contact walls contacting the first cover 110. An elastic arm 122 is connected to a contact wall, and the elastic arm 122 can abut against the first cover 110.

In this embodiment, the second cover 120 includes a cover body 121 and a plurality of elastic arms 122, the cover body 121 has a plurality of contact walls, and when the second cover 120 is mounted on the first cover 110, the plurality of contact walls can contact the first cover 110, which can increase the contact area between the first cover 110 and the second cover 120, and improve the connection stability between the two. A plurality of elastic arms 122 are arranged on the cover body 121 at intervals, one contact wall includes one elastic arm 122, and the elastic arm 122 can abut against the first cover 110, so that the second cover 120 and the first cover 110 can be tightly fitted. Specifically, the elastic arm 122 is deformed by an external force and extends into the first cover 110, and after the external force is released, the elastic arm 122 can abut against the inner wall of the first cover 110 after recovering.

Specifically, as shown in fig. 1, the number of the elastic arms 122 is three, and the three elastic arms 122 are distributed on the cover body 121 at intervals, so that the first cover body 110 and the second cover body 120 are stressed uniformly, and the structural stability is improved.

Further, as shown in fig. 1 and 2, the lid assembly 100 further includes a lap portion 113, the lap portion 113 is disposed on the end wall 111, the lap portion 113 is located in the first notch 131, and a portion of the lid body 121 is overlapped on the lap portion 113.

In this embodiment, the lid assembly 100 further includes a lap portion 113, the lap portion 113 is connected to the end wall 111 of the first lid 110, the lap portion 113 is located in the first notch 131, a limit step is formed between the lap portion 113 and the end wall 111, the lid body 121 can be lapped on the lap portion 113, the lap portion 113 further increases the contact area between the lid body 121 and the first lid 110, and can provide axial support for the lid body 121, further ensuring the position reliability of the second lid 120. Specifically, a portion of the cap body 121 extends outward to form an outward extension, which is lapped on the lap portion 113.

It should be noted that, when the second cover body 120 is installed on the first cover body 110, the outer surface of the second cover body 120 is flush with the outer surface of the end wall 111 of the first cover body 110, that is, the whole axial end surface of the cover body assembly 100 is flush, so that on one hand, the aesthetic appearance of the motor 200 can be improved, and on the other hand, the appearance surface of the cover body assembly 100 is regular, and further, the second cover body 120 can be conveniently matched with other structural members of the motor 200.

Further, as shown in fig. 2, the number of the overlapping portions 113 is plural, and the plural overlapping portions 113 are provided at intervals in the first notch 131.

In this embodiment, the number of the overlapping portions 113 is plural, the plural overlapping portions 113 are spaced apart from each other in the first notch 131, and the plural overlapping portions 113 can provide a more reliable supporting function for the second cover 120.

It should be noted that, the arc transition between two adjacent wall surfaces on the overlapping part 113 prevents the power cord 210 from being scratched.

Further, as shown in fig. 1, the cover assembly 100 further includes a protection member 140, the protection member 140 is detachably disposed at the wire passing groove 130 and is interposed between the first cover 110 and the second cover 120, and a portion of the power line 210 is embedded in the protection member 140.

In this embodiment, the cover assembly 100 further includes a protection member 140, and the protection member 140 is used for protecting the ends of the power lines 210, and meanwhile, a plurality of power lines 210 can be integrated into a whole, so as to facilitate subsequent installation, welding and the like of the power lines 210. Specifically, a portion of the power cord 210 is embedded in the protector 140, and the power cord 210 and the protector 140 can be assembled as a whole during the assembly process. Specifically, the protection member 140 is detachably disposed at the wire passing groove 130, and the power line 210 can be prevented from directly contacting the first cover 110 and the second cover 120 by the protection member 140, so that the possibility of damage to the power line 210 is effectively reduced.

Further, as shown in fig. 2, the cover assembly 100 further includes a limiting groove 114, the limiting groove 114 is disposed on the side wall 112, the limiting groove 114 is communicated with the second notch 132, and a portion of the protection member 140 can be clamped in the limiting groove 114.

In this embodiment, the cover assembly 100 further includes a limiting groove 114, the limiting groove 114 is opened on the side wall 112 and communicates with the second notch 132, when the protection member 140 is mounted on the first cover 110, a portion of the protection member 140 can be clamped in the limiting groove 114, so that the protection member 140 can be prevented from moving relative to the second cover 120, and the position stability of the power line 210 can be further ensured.

Further, the protector 140 is a flexible member.

In this embodiment, the protection member 140 includes a rubber member 141 and a plastic member, the plastic member is a plastic sleeve 142, the plastic sleeve 142 is disposed on the power cord 210, and the rubber member 141 is bound to the plastic sleeve 142 by a binding band to seal and protect the power cord 210. When the protection member 140 is a flexible member, the flexible member can play a certain buffering role, and the assembly difficulty can be reduced due to the deformation of the flexible member.

Further, as shown in fig. 1 and 2, the cover assembly 100 further includes a mounting groove 151, the mounting groove 151 is disposed on the end wall 111, the mounting groove 151 is communicated with the wire through groove 130, and a portion of a bearing assembly of the motor 200 can be inserted into the mounting groove 151.

In this embodiment, the cover assembly 100 further includes a mounting groove 151, the mounting groove 151 being provided on the end wall 111, a portion of the bearing assembly of the motor 200 being able to be inserted into the mounting groove 151. Specifically, the bearing assembly includes a bearing mount and a bearing disposed on the bearing mount. A portion of the bearing mount protrudes to form a boss, and the boss can be embedded in the mounting groove 151, so that the bearing assembly can be positioned and mounted on the cover assembly 100. The mounting groove 151 has an irregular shape. Further, the mounting groove 151 is communicated with the wire passing groove 130, so that stress can be released, and the local stress concentration caused by the mounting of the bearing assembly and the second cover 120 on the first cover 110, the possible occurrence of fatigue fracture and the like can be avoided.

Further, as shown in fig. 1 and 2, the cover assembly 100 further includes a plurality of assembly holes 152, the plurality of assembly holes 152 are spaced apart from each other on the end wall 111, and the fasteners of the motor 200 can pass through the bearing assemblies and the assembly holes 152.

In this embodiment, the cover assembly 100 further includes a plurality of assembly holes 152, and the plurality of assembly holes 152 are spaced apart from each other on the end wall 111. Specifically, the fitting hole 152 may be a threaded hole, a staking hole, or the like. The fasteners of the motor 200 can pass through the bearing assembly and the assembly holes 152. The fasteners may be screws, rivets, etc. The mounting groove 151 can provide a pre-location for the installation of the bearing assembly, and the fastener passes through the bearing assembly and the mounting hole 152, thereby achieving a reliable connection between the bearing assembly and the cover assembly 100. It should be noted that a plurality of the mounting holes 152 may be evenly spaced on the end wall 111. Specifically, the number of the fitting holes 152 is three.

Further, the first cover 110 is an integrated structure. The second cover 120 is an integrated structure.

In this embodiment, the first cover 110 is an integral structure, and the mechanical property of the integral structure is good, so that the connection strength between the end wall 111 and the side wall 112 can be improved, and in addition, the end wall 111 and the side wall 112 can be integrally manufactured and mass-produced, so as to improve the processing efficiency of the product and reduce the processing cost of the product. In addition, the end wall 111 and the side wall 112 are designed to be an integral structure, so that the integrity of the first cover body 110 is improved, the number of parts is reduced, the number of mounting processes is reduced, the mounting efficiency is improved, and the first cover body 110 is more convenient and reliable to mount. Similarly, the second cover 120 is an integral structure, which can improve the connection strength between the cover body 121 and the elastic arm 122, and in addition, the cover body 121 and the elastic arm 122 can be integrally manufactured for mass production, so as to improve the processing efficiency of the product and reduce the processing cost of the product. In addition, the cover body 121 and the elastic arm 122 are designed to be an integral structure, so that the integrity of the second cover body 120 is improved, the number of parts is reduced, the number of mounting processes is reduced, the mounting efficiency is improved, and the second cover body 120 is more convenient and reliable to mount.

Further, the first cover 110 and the second cover 120 are both metal covers.

In this embodiment, the first cover 110 and the second cover 120 are both metal covers, and both the first cover 110 and the second cover 120 may be manufactured by a casting process. The metal cover body has a fireproof function, prevents the parts in the cavity from being ignited and diffusing outwards, and improves the safety performance of the product.

In a specific embodiment, as shown in fig. 1 and 2, the cover assembly 100 includes a first cover 110, a second cover 120, and a wire passing groove 130, wherein the wire passing groove 130 is disposed on the first cover 110, and a power cord 210 of the motor 200 can be inserted into the wire passing groove 130. The second cover 120 is detachably disposed on the first cover 110 and located at the wire passing groove 130, and a portion of the power cord 210 is located between the first cover 110 and the second cover 120. Specifically, when the second cover 120 is separated from the first cover 110, the wire passing groove 130 is completely exposed, and the power cord 210 can very smoothly extend into the wire passing groove 130, so that the assembly difficulty of the power cord 210 is reduced, and the power cord 210 is prevented from being scratched and possibly damaged in the assembly process. When the second cover 120 is mounted on the first cover 110, the second cover 120 and the first cover 110 can clamp the power line 210, and in the operation process of the motor 200, the second cover 120 and the first cover 110 act on the power line 210, so that the position stability of the power line 210 can be effectively ensured, the safety use performance of the motor 200 is improved, and the power line 210 is prevented from being loosened to influence the normal use performance of the motor 200.

The first cover 110 includes an end wall 111 and a side wall 112, and the side wall 112 is connected to an outer edge of the end wall 111. The wire guide groove 130 includes a first notch 131 and a second notch 132 communicating with each other, the first notch 131 is disposed on the end wall 111, and the second cover 120 is located at the first notch 131. A second slot 132 is provided in the side wall 112, the second slot 132 being adapted to receive the power cord 210. When the power cord 210 is mounted on the cover assembly 100 and the second cover 120 is mounted on the first cover 110, the first notch 131 is covered by the second cover 120, a part of the power cord 210 is clamped between the first cover 110 and the second cover 120, and the first cover 110 and the second cover 120 can not only provide a limit function for the power cord 210 in the axial direction, but also prevent the power cord 210 from loosening in the circumferential direction.

Specifically, the second cover 120 includes a cover body 121 and a plurality of elastic arms 122, and the cover body 121 includes a plurality of contact walls that contact the first cover 110. An elastic arm 122 is connected to a contact wall, and the elastic arm 122 can abut against the first cover 110. The elastic arm 122 is deformed by an external force and extends into the inner side of the first cover 110, and after the external force is released, the elastic arm 122 can abut against the inner wall of the first cover 110 after being recovered, so that the second cover 120 and the first cover 110 can be tightly matched.

Further, the lid assembly 100 further includes a lap portion 113, the lap portion 113 is disposed on the end wall 111, the lap portion 113 is disposed in the first notch 131, and a portion of the lid body 121 is overlapped on the lap portion 113. The overlapping portion 113 further increases the contact area between the cap body 121 and the first cap body 110, and can provide support in the axial direction for the cap body 121, further ensuring positional reliability of the second cap body 120. Specifically, the number of the overlapping portions 113 is plural, the overlapping portions 113 are spaced apart from each other in the first notch 131, and the overlapping portions 113 can provide a more reliable supporting function for the second cover 120.

Further, the cover assembly 100 further includes a protection member 140, the protection member 140 is detachably disposed at the wire passing groove 130 and is interposed between the first cover 110 and the second cover 120, and a portion of the power line 210 is embedded in the protection member 140. The protection member 140 is detachably disposed at the wire passing groove 130, and the power line 210 can be prevented from directly contacting the first cover 110 and the second cover 120 by the protection member 140, so that the possibility of damage to the power line 210 is effectively reduced.

Further, the cover assembly 100 further includes a limiting groove 114, the limiting groove 114 is disposed on the side wall 112, the limiting groove 114 is communicated with the second notch 132, and a portion of the protection member 140 can be clamped in the limiting groove 114, so as to prevent the protection member 140 from moving relative to the second cover 120, and further ensure the position stability of the power line 210.

Further, the cover assembly 100 further includes a structure for cooperating with a bearing assembly of the motor 200, such as a mounting groove 151 and a plurality of assembly holes 152, wherein the mounting groove 151 is disposed on the end wall 111, a portion of the bearing assembly of the motor 200 can be inserted into the mounting groove 151, and the mounting groove 151 is communicated with the wire through groove 130, so that stress can be released, and local stress concentration, possible fatigue fracture, and the like caused by the mounting of the bearing assembly and the second cover 120 on the first cover 110 can be avoided. The mounting groove 151 can provide a pre-location for the installation of the bearing assembly, and the fastener passes through the bearing assembly and the mounting hole 152, thereby achieving a reliable connection between the bearing assembly and the cover assembly 100.

Example two

According to a second aspect of the present invention, as shown in fig. 2, there is provided an electric machine 200 comprising a metal casing, a power supply line 210 and a cover assembly 100 provided in any of the above designs, the cover assembly 100 being connected to the metal casing and enclosing to form a receiving cavity. A portion of the power cord 210 extends through the cord passage slot 130 of the cover assembly 100 and into the receiving cavity.

The motor 200 provided by the present invention includes the cover assembly 100 provided by any of the above designs, so that all the advantages of the cover assembly 100 are provided, and no further description is provided herein.

Specifically, the cover assembly 100 includes a first cover 110, a second cover 120 and a wire passing groove 130, wherein the wire passing groove 130 is disposed on the first cover 110, and a power line 210 of the motor 200 can penetrate through the wire passing groove 130. The second cover 120 is detachably disposed on the first cover 110 and located at the wire passing groove 130, and a portion of the power cord 210 is located between the first cover 110 and the second cover 120. The first cover 110 is provided with a wire passing groove 130, the wire passing groove 130 penetrates the first cover 110, and a part of the power line 210 of the motor 200 can pass through the wire passing groove 130. The second cover 120 is detachably disposed on the first cover 110, and the second cover 120 covers the wire passing groove 130 of the first cover 110, that is, the second cover 120 can function as a part of the wire passing groove 130 of the cover. When the second cover 120 is separated from the first cover 110, the wire passing groove 130 is completely exposed, and the power wire 210 can smoothly extend into the wire passing groove 130, so that the assembly difficulty of the power wire 210 is reduced, and the power wire 210 is prevented from being scratched and possibly damaged in the assembly process. When the second cover 120 is mounted on the first cover 110, the second cover 120 and the first cover 110 can clamp the power line 210, and in the operation process of the motor 200, the second cover 120 and the first cover 110 act on the power line 210, so that the position stability of the power line 210 can be effectively ensured, the safety use performance of the motor 200 is improved, and the power line 210 is prevented from being loosened to influence the normal use performance of the motor 200.

The first cover 110 includes an end wall 111 and a side wall 112, and the side wall 112 is connected to an outer edge of the end wall 111. The wire guide groove 130 includes a first notch 131 and a second notch 132 communicating with each other, the first notch 131 is disposed on the end wall 111, and the second cover 120 is located at the first notch 131. A second slot 132 is provided in the side wall 112, the second slot 132 being adapted to receive the power cord 210. When the power cord 210 is mounted on the cover assembly 100 and the second cover 120 is mounted on the first cover 110, the first notch 131 is covered by the second cover 120, a part of the power cord 210 is clamped between the first cover 110 and the second cover 120, and the first cover 110 and the second cover 120 can not only provide a limit function for the power cord 210 in the axial direction, but also prevent the power cord 210 from loosening in the circumferential direction.

Specifically, the second cover 120 includes a cover body 121 and a plurality of elastic arms 122, and the cover body 121 includes a plurality of contact walls that contact the first cover 110. An elastic arm 122 is connected to a contact wall, and the elastic arm 122 can abut against the first cover 110. The elastic arm 122 is deformed by an external force and extends into the inner side of the first cover 110, and after the external force is released, the elastic arm 122 can abut against the inner wall of the first cover 110 after being recovered, so that the second cover 120 and the first cover 110 can be tightly matched.

Further, the motor 200 further includes a control board, a stator assembly and a rotor assembly, wherein the control board is disposed on the cover assembly 100, the control board is located in the accommodating cavity, and the power line 210 is welded on the control board. Stator module locates and holds the intracavity, and stator module includes stator winding, and stator winding's wiring end is connected on the control panel. The rotor assembly is sleeved on the outer side of the stator assembly.

In this embodiment, the motor 200 further includes a control board, a stator assembly and a rotor assembly, wherein the control board is disposed on the cover assembly 100, specifically, the control board is disposed on the inner side of the cover assembly 100, that is, the control board is located in the accommodating cavity, and it should be noted that the cavity formed by the cover assembly 100 itself constitutes a part of the accommodating cavity. The end of the power cord 210 extending into the receiving cavity is welded to the control panel. Stator module locates and holds the intracavity, and stator module includes stator winding, and stator winding's wiring end is connected on the control panel, that is to say, power cord 210 passes through the control panel to be connected with stator winding, and then realizes the current input to stator winding. Further, the rotor assembly is sleeved outside the stator assembly, that is, the motor 200 is an external rotor motor 200.

EXAMPLE III

According to a third aspect of the present invention, there is provided an air conditioning apparatus comprising a motor 200 provided in any of the above designs.

The air conditioner provided by the utility model comprises the motor 200 provided by any design, so that all the beneficial effects of the motor 200 are achieved, and the details are not repeated.

In particular, the air conditioning device comprises an air conditioning indoor unit, which has the advantages of being inexpensive and easy to install, generally for emergency use, for the refrigeration of small rooms.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (15)

1. A cover assembly for an electric machine, comprising:

a first cover body;

the wire passing groove is formed in the first cover body, and a power wire of the motor can penetrate through the wire passing groove;

the second cover body is detachably arranged on the first cover body and is positioned at the wire passing groove, and one part of the power wire is positioned between the first cover body and the second cover body.

2. The cover assembly of claim 1,

the first cover body includes:

an end wall;

a side wall connected to an outer edge of the end wall;

the wire passing groove comprises:

the first notch is formed in the end wall, and the second cover body is located at the first notch;

the second notch is arranged on the side wall and communicated with the first notch, and the second notch is used for accommodating the power line.

3. The cover assembly of claim 2, wherein the second cover comprises:

a cover body including a plurality of contact walls that contact the first cover body;

and one elastic arm is connected to one contact wall, and the elastic arm can abut against the first cover body.

4. The cover assembly of claim 3, further comprising:

and the lap joint part is arranged on the end wall and is positioned in the first notch, and one part of the cover body is lapped on the lap joint part.

5. The cover assembly of claim 4,

the number of the overlapping parts is multiple, and the overlapping parts are arranged in the first notch at intervals.

6. The cover assembly of claim 2, further comprising:

and the protection piece is detachably arranged at the wire passing groove and is clamped between the first cover body and the second cover body, and a part of the power wire is embedded in the protection piece.

7. The cover assembly of claim 6, further comprising:

and the limiting groove is formed in the side wall and communicated with the second notch, and one part of the protection piece can be clamped in the limiting groove.

8. The cover assembly of claim 6,

the protection member is a flexible member.

9. The cover assembly of any one of claims 2 to 8, further comprising:

the mounting groove is arranged on the end wall and communicated with the wire passing groove, and one part of a bearing assembly of the motor can be embedded into the mounting groove.

10. The cover assembly of claim 9, further comprising:

a plurality of assembly holes spaced apart on the end wall, the fasteners of the motor being capable of passing through the bearing assembly and the assembly holes.

11. The cover assembly according to any one of claims 1 to 8,

the first cover body is of an integrated structure; the second cover body is of an integrated structure.

12. The cover assembly according to any one of claims 1 to 8,

the first cover body and the second cover body are both metal cover bodies.

13. An electric machine, comprising:

a metal shell; and

the cover assembly of any one of claims 1-12, attached to the metal shell and enclosing a receiving cavity;

and a part of the power cord passes through the wire passing groove on the cover body assembly and extends into the accommodating cavity.

14. The electric machine of claim 13, further comprising:

the control panel is arranged on the cover body assembly and is positioned in the accommodating cavity, and the power line is welded on the control panel;

the stator assembly is arranged in the accommodating cavity and comprises a stator winding, and a wiring terminal of the stator winding is connected to the control board;

and the rotor assembly is sleeved on the outer side of the stator assembly.

15. An air conditioning apparatus, comprising: the electrical machine of claim 13 or 14.

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