Motor bearing stator positioning structure

Abstract

The utility model discloses a motor bearing stator positioning structure, relates to the technical field of motor bearing stator positioning, and aims to solve the problems that an existing fixing mode cannot ensure the stability of a manufacturing process, and a reliability part cannot ensure the leakage of an oil path and block dust due to the fact that a bearing has no effective method, so that oil sludge is easy to generate, and the service life is shortened. Comprising a rotor, a stator groove is formed in the rotor, a rotor shaft is arranged in the middle of the interior of the stator groove, and the rotor shaft and the rotor are integrally formed; the positioning clamping groove is formed in the outer wall of the rotor; the bearing is mounted on the outer wall of the rotor shaft; the supporting seat is arranged on the outer side of the bearing, and a bearing positioning groove is formed in the supporting seat; the motor bearing stator positioning structure is mounted between the supporting seat and the rotor; the stator is installed on the outer side of the supporting base, and a supporting structure is arranged on the outer side of the supporting base.

Description

Technical Field

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

[0002] The stator is the stationary part of a motor or generator, which is used to generate a rotating magnetic field. In the prior art, the stator is mainly fixed by gluing or tight fitting.

[0003] However, the above fixing method cannot guarantee process stability. The reliability is partially due to the lack of effective methods to prevent oil leakage and block dust in the bearing, which easily generates sludge and shortens the service life. Therefore, we propose a motor bearing stator positioning structure to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to provide a motor bearing stator positioning structure to solve the problem that the existing fixing method proposed in the above background technology cannot guarantee the process stability, and the reliability is partially due to the lack of effective methods to prevent the oil circuit of the bearing from leaking and blocking dust, which easily generates sludge and shortens the service life.

[0005] To achieve the above object, the utility model provides the following technical solution: a motor bearing stator positioning structure, comprising a rotor, wherein a stator slot is arranged inside the rotor, a rotor shaft is arranged at a middle position inside the stator slot, and the rotor shaft and the rotor are integrally formed;

[0006] Also includes:

[0007] A positioning slot, which is arranged on the outer wall of the rotor;

[0008] A bearing mounted on the outer wall of the rotor shaft;

[0009] A support seat, which is arranged on the outer side of the bearing, and a bearing positioning groove is arranged inside the support seat;

[0010] A motor bearing stator positioning structure, which is installed between the support seat and the rotor;

[0011] The stator is installed on the outer side of the supporting seat.

[0012] Preferably, a supporting structure is provided on the outer side of the supporting seat.

[0013] Preferably, a limiting groove is provided inside the support structure, and there are three limiting grooves, and limiting blocks are provided inside the three limiting grooves. Positioning rods are provided around the lower end of the motor bearing stator positioning structure, and there are three positioning rods. A positioning block is provided at one end of the positioning rod. The motor bearing stator positioning structure is connected to the limiting groove in the support seat through the positioning rod, and the positioning block at one end of the positioning rod is engaged with the limiting block.

[0014] Preferably, a dust isolation groove is provided at the upper end of the motor bearing stator positioning structure.

[0015] Preferably, a bayonet is provided at the lower end of the dust isolation groove, and the motor bearing stator positioning structure is engaged and connected with the positioning slot on the outer wall of the rotor through the bayonet.

[0016] Preferably, a through hole is provided inside the bearing.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model provides a motor bearing stator positioning structure, uses a single part to fix the bearing, rotor and stator at the same time, simplifies the process, and relies on the dust isolation groove and the bayonet structure to prevent oil leakage and block dust, thereby improving the stability of the motor process and reducing costs, and solves the problem that the existing fixing method cannot guarantee the process stability and the reliability is poor because there is no effective way for the bearing to prevent oil leakage and block dust, which easily generates sludge and shortens the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is an explosion diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the motor bearing stator positioning structure of the utility model;

[0022] In the figure: 1. rotor; 101. stator slot; 102. rotor shaft; 103. positioning slot; 2. bearing; 201. through hole; 3. motor bearing stator positioning structure; 301. dust isolation slot; 302. bayonet; 303. positioning rod; 304. positioning block; 4. stator; 5. support seat; 501. support structure; 502. bearing positioning slot; 503. limit slot; 504. limit block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-3 The utility model provides an embodiment: a motor bearing stator positioning structure, comprising a rotor 1, a stator slot 101 is arranged inside the rotor 1, a rotor shaft 102 is arranged at a middle position inside the stator slot 101, and the rotor shaft 102 is integrally formed with the rotor 1;

[0025] Also includes:

[0026] A positioning slot 103, which is arranged on the outer wall of the rotor 1;

[0027] A bearing 2 mounted on the outer wall of the rotor shaft 102;

[0028] A support seat 5 is arranged on the outside of the bearing 2, and a bearing positioning groove 502 is arranged inside the support seat 5;

[0029] The motor bearing stator positioning structure 3 is installed between the support seat 5 and the rotor 1;

[0030] The stator 4 is installed on the outside of the supporting base 5 .

[0031] See also Figure 2 A support structure 501 is provided on the outer side of the support seat 5 , and the support structure 501 can play a role in supporting and limiting the stator 4 after the support seat 5 is engaged with the motor bearing stator positioning structure 3 .

[0032] See also Figure 2 A limiting groove 503 is arranged inside the support structure 501, and there are three limiting grooves 503, and limiting blocks 504 are arranged inside the three limiting grooves 503. Positioning rods 303 are arranged around the lower end of the motor bearing stator positioning structure 3, and there are three positioning rods 303. A positioning block 304 is arranged at one end of the positioning rod 303. The motor bearing stator positioning structure 3 is connected to the limiting groove 503 in the support seat 5 through the positioning rod 303, and the positioning block 304 at one end of the positioning rod 303 is engaged with the limiting block 504. The motor bearing stator positioning structure 3 is engaged with the support seat 5, and can clamp and fix the bearing 2.

[0033] See also Figure 2 A dust-proof groove 301 is provided at the upper end of the motor bearing stator positioning structure 3. After the motor bearing stator positioning structure 3 is connected to the rotor shaft 102, the dust-proof groove 301 at the top thereof can cover the edge of the connection of the rotor shaft 102 to reduce dust entry.

[0034] See also Figure 2 A bayonet 302 is provided at the lower end of the dust isolation groove 301, and the motor bearing stator positioning structure 3 is engaged with the positioning slot 103 on the outer wall of the rotor shaft 102 through the bayonet 302. The bayonet 302 can contact the oil-containing bearing 2 in the support seat 5, thereby blocking the oil path.

[0035] See also Figure 2 A through hole 201 is provided inside the bearing 2 , and the bearing 2 is sleeved on the outer wall of the rotor shaft 102 through the through hole 201 .

[0036] Working principle: When in use, first use the bayonet 302 on the motor bearing stator positioning structure 3 to snap it into the positioning slot 103 on the outer wall of the rotor shaft 102 to fix the motor bearing stator positioning structure 3 and the rotor 1, then place the bearing 2 in the bearing positioning slot 502 in the support seat 5, place the stator 4 between the support seat 5 and the motor bearing stator positioning structure 3, and snap the motor bearing stator positioning structure 3 with the support seat 5. When snapping, the motor bearing stator positioning structure 3 is locked with the support seat 5 through the three sets of positioning rods 303 at the bottom. The three limit grooves 503 are connected, and the positioning block 304 at the end of the positioning rod 303 is engaged with the limit block 504 to achieve the fixation of the motor bearing stator positioning structure 3 and the support seat 5, and the bearing 2 is clamped and limited. At the same time, the stator 4 is supported and limited by the support structure 501 outside the support seat 5 to achieve fixed assembly of various components. After assembly, the bayonet 302 can contact the oil-containing bearing 2 in the support seat 5, thereby blocking the oil path, and the dust isolation groove 301 can cover the edge of the connection between the rotor shaft 102 and reduce the entry of dust.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A motor bearing stator positioning structure, comprising a rotor (1), wherein a stator slot (101) is arranged inside the rotor (1), a rotor shaft (102) is arranged at a middle position inside the stator slot (101), and the rotor shaft (102) and the rotor (1) are integrally formed; Features: Also includes: A positioning slot (103) arranged on the outer wall of the rotor (1); A bearing (2) mounted on the outer wall of the rotor shaft (102); A support seat (5) is arranged on the outside of the bearing (2), and a bearing positioning groove (502) is arranged inside the support seat (5); A motor bearing stator positioning structure (3), which is installed between the support seat (5) and the rotor (1); The stator (4) is installed on the outside of the support seat (5).

2. The motor bearing stator positioning structure according to claim 1, characterized in that: A supporting structure (501) is arranged on the outer side of the supporting seat (5).

3. The motor bearing stator positioning structure according to claim 2, characterized in that: The support structure (501) is provided with a limiting groove (503) inside, and there are three limiting grooves (503), and limiting blocks (504) are provided inside the three limiting grooves (503). The motor bearing stator positioning structure (3) is provided with positioning rods (303) around the lower end, and there are three positioning rods (303). A positioning block (304) is provided at one end of the positioning rod (303). The motor bearing stator positioning structure (3) is connected to the limiting groove (503) in the support seat (5) through the positioning rod (303), and the positioning block (304) at one end of the positioning rod (303) is engaged with the limiting block (504).

4. The motor bearing stator positioning structure according to claim 1, characterized in that: The upper end of the motor bearing stator positioning structure (3) is provided with a dust isolation groove (301).

5. The motor bearing stator positioning structure according to claim 4, characterized in that: A bayonet (302) is provided at the lower end of the dust isolation groove (301), and the motor bearing stator positioning structure (3) is engaged and connected with the positioning slot (103) on the outer wall of the rotor (1) via the bayonet (302).

6. The motor bearing stator positioning structure according to claim 1, characterized in that: A through hole (201) is provided inside the bearing (2).

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