Novel motor structure

Abstract

A novel motor structure comprises a casing. The stator is arranged in the machine shell in a sleeved mode. The fixing ring is fixedly arranged at the top opening end of the machine shell; the movable ring is arranged on the inner ring of the fixed ring and corresponds to the top end of the stator; the bearing bracket is buckled and fixed above the fixed ring and applies downward acting force to the movable ring; the rotor is arranged in the machine shell, one end of the rotor extends out of the bottom of the machine shell and is rotationally connected with the machine shell, and the other end of the rotor is rotationally connected with the bearing support. According to the novel motor structure provided by the utility model, when the bearing support is assembled on the fixed ring, an axial acting force can be applied to the movable ring at the same time, and the movable ring is arranged corresponding to the end part of the stator, so that the stator can be extruded into the casing and the planeness of the stator is ensured, and the novel motor structure is simple in structure, convenient to assemble and low in cost. And the product quality and the assembly efficiency can be improved.

Description

Technical Field

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

[0002] The electric motor, commonly known as "motor", refers to an electromagnetic device that converts electrical energy based on electromagnetic induction. Currently, electric motors are widely used and are ubiquitous in industrial production, home life, and transportation. They are widely used in various types of transportation, such as electric bicycles and electric vehicles.

[0003] At present, most motors are composed of a housing, a stator, a rotor, a bearing bracket and an end cover. The stator is fixed on the inner wall of the housing, the bearing bracket is fixed on the stator, the rotor is arranged in the housing, one end of the rotor extends out of the housing and is rotatably connected to the housing, and the other end is rotatably connected to the bearing bracket, and the end cover is arranged on the bearing bracket. In the prior art, the stator is usually adhered to the inner wall of the housing by brushing glue, and its flatness is difficult to ensure, which will cause uneven rotation of the motor, reduced performance, and increased noise.

[0004] Therefore, in view of the shortcomings of the prior art, it is necessary to design a new motor structure to solve the above problems. Utility Model Content

[0005] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a new motor structure.

[0006] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a new motor structure, including:

[0007] chassis;

[0008] A stator, wherein the stator is sleeved in the housing;

[0009] A fixing ring, the fixing ring being fixedly arranged at the top opening end of the casing;

[0010] A movable ring, which is arranged on the inner ring of the fixed ring and corresponds to the top of the stator;

[0011] A bearing bracket, the bearing bracket is buckled and fixed on the upper side of the fixed ring and applies a downward force to the movable ring;

[0012] The rotor is arranged in the casing, one end of the rotor extends out of the bottom of the casing and is rotatably connected to the casing, and the other end of the rotor is rotatably connected to the bearing bracket.

[0013] The preferred technical solution is: it also includes a circuit board, and the circuit board is fixed on the top of the bearing bracket by welding with welding feet.

[0014] A preferred technical solution is: it also includes an end cover, and the end cover is arranged on the circuit board.

[0015] The preferred technical solution is: a plurality of groups of notches are provided on the circumference of the fixing ring, and corresponding claws are provided on both sides of each group of notches.

[0016] The preferred technical solution is: a plurality of groups of outwardly extending support portions are formed on the circumference of the movable ring, the plurality of groups of support portions are arranged in a one-to-one correspondence in the plurality of groups of notches, and a protrusion is formed on the top side of the support portion.

[0017] The preferred technical solution is: a plurality of supporting feet are provided on the bottom side of the bearing bracket, locking buckles are provided on both sides of the supporting feet, and the plurality of supporting feet are correspondingly inserted into the plurality of groups of notches and exert a downward force on the protrusions.

[0018] Due to the application of the above technical solution, the utility model has the following beneficial effects:

[0019] The utility model proposes a novel motor structure. When the bearing bracket is assembled on the fixed ring, it can simultaneously apply an axial force to the movable ring. The movable ring is arranged corresponding to the end of the stator, so that the stator can be squeezed into the casing and the flatness of the stator can be ensured. The utility model has a simple structure and is easy to assemble. It can improve product quality and assembly efficiency and is suitable for promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic diagram of the explosion of the motor involved. DETAILED DESCRIPTION

[0021] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0022] See also Figure 1. It should be noted that in the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example:

[0025] like Figure 1 As shown, according to an overall technical concept of the utility model, a new motor structure is provided, including:

[0026] Housing 1;

[0027] Stator 2, stator 2 is sleeved in the casing;

[0028] A fixing ring 3, the fixing ring 3 is fixed to the top opening end of the housing 1;

[0029] A movable ring 4, which is arranged on the inner ring of the fixed ring 3 and corresponds to the top of the stator 2;

[0030] The bearing bracket 5 is buckled and fixed on the upper side of the fixed ring 3 and applies a downward force to the movable ring 4;

[0031] The rotor (not shown) is disposed in the casing 1 , one end of the rotor extends out of the bottom of the casing 1 and is rotatably connected to the casing 1 , and the other end of the rotor is rotatably connected to the bearing bracket 5 .

[0032] like Figure 1As shown, in an exemplary embodiment of the present invention, a circuit board 6 is also included, and the circuit board 6 is fixed on the upper side of the bearing bracket 5 by welding with welding feet.

[0033] like Figure 1 As shown, in an exemplary embodiment of the present utility model, an end cover (not shown) is also included, and the end cover is covered on the circuit board 6.

[0034] like Figure 1 As shown, in an exemplary embodiment of the present invention, a plurality of groups of notches are provided on the circumference of the fixing ring 3 , and corresponding claws 31 are provided on both sides of each group of notches.

[0035] like Figure 1 As shown, in an exemplary embodiment of the present invention, a plurality of groups of outwardly extending support portions are formed on the circumference of the movable ring 4, the plurality of groups of support portions are arranged in a one-to-one correspondence in the plurality of groups of notches, and a protrusion 41 is formed on the top side of the support portion.

[0036] like Figure 1 As shown, in an exemplary embodiment of the utility model, a plurality of supporting feet 51 are provided on the bottom side of the bearing bracket 5, and locking buckles 52 are provided on both sides of the supporting feet. The plurality of supporting feet 51 are correspondingly inserted into the plurality of notches one by one, so that the locking buckles 52 are engaged with the claws 31 and exert a downward force on the protrusions 41.

[0037] Therefore, the utility model has the following advantages:

[0038] The utility model proposes a novel motor structure. When the bearing bracket is assembled on the fixed ring, it can simultaneously apply an axial force to the movable ring. The movable ring is arranged corresponding to the end of the stator, so that the stator can be squeezed into the casing and the flatness of the stator can be ensured. The utility model has a simple structure and is easy to assemble. It can improve product quality and assembly efficiency and is suitable for promotion.

[0039] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A new motor structure, characterized in that: include: chassis; A stator, wherein the stator is sleeved in the housing; A fixing ring, the fixing ring being fixedly arranged at the top opening end of the casing; A movable ring, which is arranged on the inner ring of the fixed ring and corresponds to the top of the stator; A bearing bracket, the bearing bracket is buckled and fixed on the upper side of the fixed ring and applies a downward force to the movable ring; The rotor is arranged in the casing, one end of the rotor extends out of the bottom of the casing and is rotatably connected to the casing, and the other end of the rotor is rotatably connected to the bearing bracket.

2. A novel motor structure according to claim 1, characterized in that: It also includes a circuit board, which is fixed on the upper side of the bearing bracket by welding with welding feet.

3. A novel motor structure according to claim 2, characterized in that: It also includes an end cover, which is arranged on the circuit board.

4. A novel motor structure according to claim 1, characterized in that: A plurality of groups of notches are arranged on the circumference of the fixing ring, and corresponding claws are arranged on both sides of each group of notches.

5. A novel motor structure according to claim 4, characterized in that: A plurality of groups of outwardly extending support parts are formed on the circumference of the movable ring, and the plurality of groups of support parts are arranged in the plurality of groups of notches in a one-to-one correspondence, and a protrusion is formed on the top side of the support part.

6. A novel motor structure according to claim 5, characterized in that: A plurality of supporting feet are arranged on the bottom side of the bearing bracket, and locking buckles are arranged on both sides of the supporting feet. The plurality of supporting feet are correspondingly inserted into the plurality of groups of notches one by one and exert a downward force on the protrusion.

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