CN211089272U

CN211089272U - Motor core structure convenient to dismantle maintenance

Info

Publication number: CN211089272U
Application number: CN202020078955.XU
Authority: CN
Inventors: 李叶韩
Original assignee: Foshan Shunde Sanxin Motor Co ltd
Current assignee: Foshan Shunde Sanxin Motor Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-07-24
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a motor core structure convenient to dismantle maintenance, including motor housing, a serial communication port, include: the stator core body comprises a fixing ring and a plurality of winding groups which are detachably and uniformly distributed on the inner wall of the fixing ring, wherein the winding groups are formed by superposing a plurality of I-shaped winding pieces with the same shape along the axial direction of the fixing ring; the rotor core is located the inside of stator core, and the center of rotor core is provided with rotor shaft mounting hole, and it has a plurality of wire winding holes to open on the rotor core, and the wire winding hole becomes first contained angle along the center pin direction of rotor core and rotor shaft mounting hole.

Description

Motor core structure convenient to dismantle maintenance

Technical Field

The utility model relates to a motor field, in particular to motor core structure convenient to dismantle maintenance.

Background

An electric motor is a device that converts electrical energy into mechanical energy. The stator is electrified with a coil to generate a rotating magnetic field and act on a rotor to form magnetoelectric power rotating torque. The traditional stator is installed in the motor casing in the following way: 1. the stator and the shell are in interference fit, and are pressed into the shell or installed into the shell by a shrink fit process during installation; 2. the stator and the shell are fixedly connected by glue; 3. and the stator is axially compressed and fixed in the shell through a pressing block. The above installation modes are difficult to disassemble, certain difficulty is caused to the maintenance of the motor, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a motor core structure convenient to dismantle maintenance can be convenient for separate the stator from the casing and dismantle, improves the efficiency of maintenance, reduces the maintenance cost.

According to the utility model discloses a motor core structure convenient to dismantle maintenance of first aspect embodiment, including motor housing, its characterized in that includes:

the stator core body comprises a fixing ring and a plurality of winding groups which are detachably and uniformly distributed on the inner wall of the fixing ring, wherein the winding groups are formed by superposing a plurality of I-shaped winding pieces with the same shape along the axial direction of the fixing ring;

the rotor core is located the inside of stator core, and the center of rotor core is provided with rotor shaft mounting hole, and it has a plurality of wire winding holes to open on the rotor core, and the wire winding hole becomes first contained angle along the center pin direction of rotor core and rotor shaft mounting hole.

According to the utility model discloses motor core structure convenient to dismantle maintenance has following beneficial effect at least: the core structure in this embodiment is equipped with the damping ring through the outside at solid fixed ring to utilize the connecting piece on the motor casing to cooperate with the hole site on the damping ring to be connected, realize motor casing and core mechanism's demountable installation, be convenient for separate the stator from the casing and dismantle, improve the efficiency of maintenance, reduce maintenance cost, and, winding group on the stator core also can be dismantled from the intra-annular T type inslot of fixed ring alone, be convenient for carry out maintenance to winding group on the stator core, avoid whole change to scrap, reduce maintenance cost.

According to some embodiments of the invention, the connector comprises a resilient plunger, a bolt or a split spring pin.

According to some embodiments of the utility model, the T type groove becomes the second contained angle each other with solid fixed ring's center pin direction.

According to some embodiments of the utility model, the winding group is the oblique type piece unanimous with T type groove incline direction, and the oblique type piece slope is inserted T type inslot with solid fixed ring's center pin.

According to some embodiments of the invention, the first angle and the second angle are opposite in direction with respect to a central axis of the stationary ring.

According to some embodiments of the utility model, a plurality of winding pieces are riveted each other and are constituteed the winding group.

According to some embodiments of the utility model, the damping ring is through moulding plastics integrated into one piece with solid fixed ring.

According to some embodiments of the utility model, inlay on the hole site and be equipped with the metal covering with the connecting piece butt.

Additional aspects and advantages of the invention 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 invention.

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 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure of an embodiment of the present invention.

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 function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 2, a motor core structure convenient to dismantle and maintain according to an embodiment of the first aspect of the present invention includes a motor housing, and is characterized by including:

the stator core body 100 comprises a fixing ring 110 and a plurality of winding groups 120 which are detachably and uniformly installed on the inner wall of the fixing ring 110, wherein the winding groups 120 are formed by overlapping a plurality of I-shaped winding pieces with the same shape along the axial direction of the fixing ring 110, an installation part 121 with a T-shaped section is arranged at the end part of each winding group 120, a plurality of T-shaped grooves 111 matched and connected with the installation parts 121 are formed in the inner wall of the fixing ring 110, the installation parts 121 of the winding groups 120 are slidably installed in the T-shaped grooves 111, a damping ring 130 is sleeved outside the fixing ring 110, hole sites 131 detachably connected with a motor shell are uniformly distributed on the outer wall of the damping ring 130, and a connecting piece matched with the hole sites 131;

the rotor core 200 is located inside the stator core 100, a rotor shaft mounting hole is formed in the center of the rotor core 200, a plurality of winding holes 210 are formed in the rotor core 200, and a first included angle is formed between each winding hole 210 and the rotor shaft mounting hole along the central axis direction of the rotor core 200. Because the winding holes 210 of the rotor core 200 are not parallel to the winding groups 120 of the stator core 100, when the rotor core 200 rotates, the winding holes 210 are always in force contact with the winding groups 120, the force applied to the same winding hole 210 is constant and stable, and the output stability of the motor is facilitated.

In the aforesaid, solid fixed ring 110 adopts the rigid material to make, optional alloy metal, in order to guarantee stator core 100's whole rigidity, a plurality of winding segments accessible welding on the winding group 120 or riveting connection form in addition, after the installation of each winding group 120 is accomplished, the coiling machine winds a plurality of winding groups 120, winding group 120 and solid fixed ring 110 adopt split type manufacturing, be convenient for reduce the degree of difficulty of manufacturing, simultaneously can dismantle winding group 120 alone and change, improve the durability of product. And the outside of the fixed ring 110 is sleeved with a shock absorption ring 130, so that the shock between the stator core 100 and the motor shell can be reduced, and the shock absorption ring 130 is made of soft materials, so that the gap between the shock absorption ring 130 and the motor shell is eliminated, the shock absorption ring is convenient to disassemble, and the follow-up maintenance is convenient.

In the core structure in this embodiment, the damping ring 130 is disposed outside the fixing ring 110, and the connecting member on the motor housing is connected to the hole 131 on the damping ring 130 in a matching manner, so as to achieve detachable mounting of the motor housing and the core mechanism, thereby facilitating separation and detachment of the stator from the motor housing, improving maintenance efficiency, and reducing maintenance cost, and the winding group 120 on the stator core 100 can also be detached from the T-shaped groove 111 in the fixing ring 110 alone, thereby facilitating maintenance of the winding group 120 on the stator core 100, avoiding scrapping of the whole replacement, and reducing maintenance cost.

In particular, according to some embodiments of the invention, the connecting member comprises a resilient plunger, a bolt or a split spring pin. The motor shell is provided with the mounting hole for mounting the connecting piece, so that the connecting piece extends into the stator core body 100 to form fixed connection and mounting, when the stator core body 100 is maintained, the stator core body 100 can be separated from the motor shell only by dismounting the connecting piece, the mounting and dismounting of the stator core body 100 are facilitated, and the mounting efficiency is improved.

Further, according to some embodiments of the present invention, the T-shaped groove 111 and the central axis of the fixing ring 110 form a second angle. The slotting direction of the T-shaped groove 111 is not parallel to the central axis of the fixing ring 110, so that the included angle between the winding hole 210 and the winding group 120 is increased, the winding hole 210 and the winding group 120 are always in force contact, the force applied to the same winding hole 210 is constant and stable, and the output of the motor is more stable.

Further, according to some embodiments of the present invention, in order to facilitate the installation of the winding group 120, the winding group 120 is a slanted block having a same direction as the T-shaped groove 111, and the slanted block is inserted into the T-shaped groove 111 together with the central axis of the fixing ring 110.

Specifically, according to some embodiments of the present invention, the first angle and the second angle are opposite to each other with respect to the central axis of the fixing ring 110.

Specifically, according to some embodiments of the present invention, the plurality of winding blades are riveted to each other to form the winding group 120.

Specifically, according to some embodiments of the present invention, the damping ring 130 and the fixing ring 110 are integrally formed by injection molding. The injection molding integrated molding can ensure that the connection between the shock absorption ring 130 and the fixing ring 110 is firm and reliable, improve the physical performance and prolong the service life.

Specifically, according to some embodiments of the present invention, the hole 131 is embedded with a metal sleeve abutting against the connecting member. Through the connection and matching of the metal sleeve and the connecting piece, the connection between the damping ring 130 and the motor shell is firm and reliable, and the failure rate is reduced.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides a motor core structure convenient to dismantle maintenance, includes motor housing, its characterized in that includes:

the stator core body comprises a fixing ring and a plurality of winding groups which are detachably and uniformly installed on the inner wall of the fixing ring, wherein the winding groups are formed by superposing a plurality of I-shaped winding pieces with the same shape along the axial direction of the fixing ring, the end part of each winding group is provided with an installation part with a T-shaped section, the inner wall of the fixing ring is provided with a plurality of T-shaped grooves in matched connection with the installation parts, the installation parts of the winding groups are slidably installed in the T-shaped grooves, the outside of the fixing ring is sleeved with a damping ring, hole sites detachably connected with the motor shell are uniformly distributed on the outer wall of the damping ring, and the motor shell is provided with a connecting piece matched with the hole sites;

the rotor core is located inside the stator core, the center of the rotor core is provided with a rotor shaft mounting hole, the rotor core is provided with a plurality of wire winding holes, and the wire winding holes form a first included angle with the rotor shaft mounting hole along the central axis direction of the rotor core.

2. The motor core structure convenient for disassembly and maintenance of claim 1, wherein: the connector comprises a resilient plunger, a bolt or a split spring pin.

3. The motor core structure convenient for disassembly and maintenance of claim 1, wherein: the T-shaped groove and the central axis direction of the fixing ring form a second included angle.

4. The motor core structure convenient for disassembly and maintenance of claim 3, wherein: the winding group is an inclined block which is consistent with the inclined direction of the T-shaped groove, and the inclined block and the central shaft of the fixing ring are inserted into the T-shaped groove.

5. The motor core structure convenient for disassembly and maintenance of claim 3, wherein: the first included angle and the second included angle are opposite to the direction of the central shaft of the fixing ring.

6. The motor core structure convenient for disassembly and maintenance of claim 1, wherein: and the winding pieces are riveted with each other to form the winding group.

7. The motor core structure convenient for disassembly and maintenance of claim 1, wherein: the damping ring and the fixing ring are integrally formed through injection molding.

8. The motor core structure convenient for disassembly and maintenance of claim 1, wherein: and a metal sleeve which is abutted against the connecting piece is embedded on the hole position.