Motor stator frame structure
By improving the stator frame structure and adopting a welding connection method, the problem of redesigning stators of different lengths was solved, resulting in cost reduction and improved versatility, while ensuring the stability and performance of the motor stator.
Patent Information
- Application Number
- CN202520020952.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The existing motor stator frame needs to be redesigned according to stators of different lengths, which increases design and manufacturing time, increases production costs, and complicates material management.
The motor stator frame structure includes first and second intermediate upright plates, stator mounting holes, stator fixing plates, cover and reinforcing ribs, which are welded together to form a stable structure suitable for stator installation of different lengths.
It reduces production costs, improves the versatility and structural strength of the motor stator frame, reduces design workload and management costs, and ensures the stability and performance of the motor.
Smart Images
Figure CN223693757U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor stator technical field especially a motor stator frame structure. BACKGROUND
[0002] In prior art, motor stator needs to be fixed in frame after entering frame, and is welded and fixed through stator clamp ring and reserved position on frame. In actual production process, motor stator length is not fixed, and motor stator of different lengths needs to be produced. For motor stator of different lengths, middle stand position in frame needs to change together, and frame needs to be redesigned every time, which increases design and manufacturing man-hours and production cost, and a large amount of frame material number is generated, which is not conducive to material universality and factory material drawing management. CONTENT OF UTILITY MODEL
[0003] The application aims at the shortcomings in prior production technology, and provides a motor stator frame structure, which can be suitable for fixed installation of motor stator of different lengths, reduces production cost and improves universality of motor stator frame.
[0004] The technical scheme adopted by the utility model is as follows:
[0005] A motor stator frame structure comprises a motor shell, a first middle stand and a second middle stand are welded in the motor shell respectively, a left-right through stator mounting hole is arranged at the center position of the first middle stand and the second middle stand, a plurality of stator fixing plates are arranged axially in the stator mounting hole, both ends of each stator fixing plate are welded on the first middle stand and the second middle stand respectively, and both ends of the stator fixing plate respectively extend out of the stator mounting hole; a motor stator is arranged in the stator mounting hole, stator clamp rings are arranged at the left and right ends of the motor stator respectively, and the two stator clamp rings are welded on the left and right ends of the plurality of stator fixing plates respectively.
[0006] Further, the plurality of stator fixing plates are uniformly distributed along the circumferential direction.
[0007] Further, a cylindrical cover is arranged on the outer circle of the plurality of stator fixing plates, and the cover is welded and connected with the first middle stand and the second middle stand at the front end and the rear end respectively.
[0008] Further, a plurality of reinforcing rib plates are welded on the outer surface of the cover, the plurality of reinforcing rib plates are uniformly distributed along the circumferential direction, and both ends of the plurality of reinforcing rib plates are welded and connected with the first middle stand and the second middle stand respectively.
[0009] Further, a plurality of positioning installation grooves are arranged on the hole wall of the stator mounting hole, the plurality of positioning installation grooves are uniformly distributed along the circumferential direction, the stator fixing plate is located in the positioning installation groove and is welded and connected with the groove wall of the positioning installation groove.
[0010] Furthermore, multiple clearance grooves are provided on the wall of the stator mounting hole. The multiple clearance grooves are evenly distributed along the circumferential direction, and the multiple clearance grooves and the multiple stator mounting holes are distributed at intervals.
[0011] Furthermore, a first positioning protrusion structure is provided on the inner surface of one end of the stator fixing plate, and the side of the first positioning protrusion structure contacts the side of the stator clamping ring.
[0012] Furthermore, a second positioning protrusion structure is provided on the outer surface of one end of the stator fixing plate. The second positioning protrusion structure and the first positioning protrusion structure are located at the same end of the stator fixing plate, and the side of the second positioning protrusion structure contacts the side of the second intermediate vertical plate.
[0013] The beneficial effects of this utility model are as follows:
[0014] This utility model has a compact and reasonable structure. The motor stator can be welded to the stator fixing plate, which can be used for fixing and installing motor stators of different lengths, reducing production costs and improving the versatility of the motor stator frame. The stator fixing plate improves the overall structural strength of the motor stator frame and ensures that the motor stator frame is more stable. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0016] Figure 2 This is a side view of the present invention.
[0017] Figure 3 for Figure 2 Sectional view of AA.
[0018] Figure 4 This is a schematic diagram of the stator fixing plate and stator clamping ring assembly of this utility model.
[0019] The components are: 1. Motor housing; 2. First intermediate vertical plate; 3. Second intermediate vertical plate; 4. Cover; 5. Reinforcing rib plate; 6. Stator fixing plate; 7. Stator clamping ring; 8. Stator mounting hole; 9. Positioning mounting groove; 10. Clearance groove; 11. First positioning protrusion structure; 12. Second positioning protrusion structure. Detailed Implementation
[0020] The specific embodiments of this utility model are described below with reference to the accompanying drawings.
[0021] like Figure 1 As shown, a motor stator frame structure includes a motor housing 1, and a first intermediate plate 2 and a second intermediate plate 3 are welded into the motor housing 1 respectively. The first intermediate plate 2 and the second intermediate plate 3 are parallel to each other and spaced apart.
[0022] like Figure 1As shown in the drawings, the first intermediate vertical plate 2 and the second intermediate vertical plate 3 are provided with a left-right through stator mounting hole 8 at the center position, a plurality of stator fixing plates 6 are axially arranged in the stator mounting hole 8, the plurality of stator fixing plates 6 are uniformly distributed along the circumferential direction, both ends of each stator fixing plate 6 are respectively welded on the first intermediate vertical plate 2 and the second intermediate vertical plate 3, and both ends of the stator fixing plate 6 respectively protrude out of the stator mounting hole 8.
[0023] As shown in the drawings, Figure 1 The stator mounting hole 8 is provided with a motor stator, the motor stator is provided with a stator clamp ring 7 at both left and right ends, and the two stator clamp rings 7 are respectively welded on both left and right ends of the plurality of stator fixing plates 6. Since the length of the stator fixing plate 6 is greater than the distance between the first intermediate vertical plate 2 and the second intermediate vertical plate 3, the fixed position of the stator clamp ring 7 on the stator fixing plate 6 can be adjusted as needed to meet the installation requirements of motor stators of different lengths. At the same time, the axially arranged stator fixing plates 6 can improve the support strength of the motor stator, ensuring that the motor stator frame is more stable.
[0024] As shown in the drawings, Figure 1 The outer circle of the plurality of stator fixing plates 6 is provided with a cylindrical structure of a cover 4, the cover 4 is respectively welded and connected to the first intermediate vertical plate 2 and the second intermediate vertical plate 3 at the front and rear ends, and a plurality of reinforcing rib plates 5 are welded on the outer surface of the cover 4, the plurality of reinforcing rib plates 5 are uniformly distributed along the circumferential direction. Both ends of the plurality of reinforcing rib plates 5 are respectively welded and connected to the first intermediate vertical plate 2 and the second intermediate vertical plate 3. The cover 4 can form protection for the motor stator, and at the same time can improve the structural strength of the first intermediate vertical plate 2 and the second intermediate vertical plate 3.
[0025] As shown in the drawings, Figure 1 And Figure 2 A plurality of positioning installation grooves 9 are provided on the hole wall of the stator mounting hole 8, and the plurality of positioning installation grooves 9 are uniformly distributed along the circumferential direction. The positioning installation groove 9 can realize the positioning installation of the stator fixing plate 6, and the stator fixing plate 6 is located in the positioning installation groove 9 and is welded and connected with the groove wall of the positioning installation groove 9. A plurality of avoiding grooves 10 are provided on the hole wall of the stator mounting hole 8, and the plurality of avoiding grooves 10 are uniformly distributed along the circumferential direction. The plurality of avoiding grooves 10 and the plurality of stator mounting holes 8 are arranged in an interval, and the avoiding groove 10 is arranged to facilitate the installation of the motor stator.
[0026] As shown in the drawings, Figure 3 A first positioning protruding structure 11 is arranged on the inner side surface of one end of the stator fixing plate 6, the side surface of the first positioning protruding structure 11 is in contact with the side surface of the stator clamp ring 7, and the welding position of the stator fixing plate 6 and the stator clamp ring 7 is positioned.
[0027] As shown in the drawings, Figure 4As shown, the second positioning protruding structure 12 is arranged on the outer surface of one end of the stator fixing plate 6, and the second positioning protruding structure 12 and the first positioning protruding structure 11 are located on the same end of the stator fixing plate 6.
[0028] The motor stator frame structure of the utility model does not change with the change of the motor stator length, the internal structure is completely fixed, and only one specification of frame material needs to be designed for the same center height, thereby reducing about 50% of the design workload and management cost. At the same time, the standardized design also makes the preparation more convenient, and the high universality greatly reduces the emergence of stagnant inventory. At the same time of the structural standardization, the reliability is not reduced, and the produced motor is excellent in vibration and noise performance.
Claims
1. A motor stator frame structure comprising a motor housing (1), a first intermediate vertical plate (2) and a second intermediate vertical plate (3) are respectively welded in the motor housing (1), a stator mounting hole (8) is arranged in the center position of the first intermediate vertical plate (2) and the second intermediate vertical plate (3), characterized in that: A plurality of stator fixing plates (6) are arranged axially in the stator mounting hole (8), both ends of each stator fixing plate (6) are welded on the first intermediate vertical plate (2) and the second intermediate vertical plate (3) respectively, and both ends of the stator fixing plate (6) extend out of the stator mounting hole (8); a motor stator is arranged in the stator mounting hole (8), and stator clamping rings (7) are arranged at the left and right ends of the motor stator respectively, and the two stator clamping rings (7) are welded at the left and right ends of the plurality of stator fixing plates (6) respectively.
2. A motor stator frame structure as claimed in claim 1, characterized in that: The plurality of stator fixing plates (6) are uniformly distributed along the circumferential direction.
3. A motor stator frame structure as claimed in claim 2, characterised in that: The outer ring of the plurality of stator fixing plates (6) is provided with a cylindrical shell (4), and the front and rear ends of the shell (4) are welded and connected with the first intermediate vertical plate (2) and the second intermediate vertical plate (3) respectively.
4. A motor stator frame structure as claimed in claim 3, characterised in that: A plurality of reinforcing rib plates (5) are welded on the outer surface of the shell (4), the plurality of reinforcing rib plates (5) are uniformly distributed along the circumferential direction, and both ends of the plurality of reinforcing rib plates (5) are welded and connected with the first intermediate vertical plate (2) and the second intermediate vertical plate (3) respectively.
5. A motor stator frame structure as claimed in claim 1, characterized in that: A plurality of positioning installation grooves (9) are arranged on the hole wall of the stator mounting hole (8), the plurality of positioning installation grooves (9) are uniformly distributed along the circumferential direction, the stator fixing plate (6) is located in the positioning installation groove (9) and is welded and connected with the groove wall of the positioning installation groove (9).
6. A motor stator frame structure as claimed in claim 5, characterised in that: A plurality of avoidance grooves (10) are arranged on the hole wall of the stator mounting hole (8), the plurality of avoidance grooves (10) are uniformly distributed along the circumferential direction, and the plurality of avoidance grooves (10) are arranged in an interval with the plurality of stator mounting holes (8).
7. A motor stator frame structure as claimed in claim 1, characterized in that: A first positioning protruding structure (11) is arranged on the inner side surface of one end of the stator fixing plate (6), and the side surface of the first positioning protruding structure (11) is in contact with the side surface of the stator clamping ring (7).
8. A motor stator frame structure as claimed in claim 7, characterised in that: A second positioning protruding structure (12) is arranged on the outer side surface of one end of the stator fixing plate (6), the second positioning protruding structure (12) is located at the same end of the stator fixing plate (6) as the first positioning protruding structure (11), and the side surface of the second positioning protruding structure (12) is in contact with the side surface of the second intermediate vertical plate (3).