Motor rear end cover

Abstract

The utility model discloses a motor rear end cover, and belongs to the technical field of motors. A motor rear end cover comprises a rear end cover body; a shaft hole is formed in the rear end cover body; the fixed clamping ring is fixedly connected to the end wall of the rear end cover body; the limiting clamping ring is fixedly connected to the end wall of the rear end cover body. A clamping groove is formed in the inner wall of the fixed clamping ring; the embedded clamping ring is inserted into the fixed clamping ring; the embedded groove is formed in one end of the embedded clamping ring; the embedded clamping strip is fixedly connected to the side wall of the embedded clamping ring; the arc-shaped groove is formed in the side wall of the embedded clamping ring; the protruding block is fixedly connected to the arc-shaped groove. The motor rear end cover provided by the utility model has the beneficial effects that the strength of the rear end cover body is improved by arranging the steel embedded clamping ring.

Description

Technical Field

[0001] This application relates to the technical field of motors, and more particularly, to a motor rear end cover. Background Art

[0002] A motor is an electromagnetic device that realizes the conversion or transmission of electrical energy based on the law of electromagnetic induction. A motor generally includes a housing and a rotor installed inside the housing. A motor front end cover is installed at the front end of the housing, and a motor rear end cover is installed at the rear end of the housing. The rear end cover is made of aluminum alloy material, with relatively low hardness. After the motor starts for a long time, the rear end cover gets heated and is prone to deformation.

[0003] Now, a motor rear end cover is provided. Summary of the Utility Model

[0004] The content part of this application is used to briefly introduce concepts, which will be described in detail in the following detailed implementation part. The content part of this application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0005] To solve the technical problems mentioned in the above background art part, some embodiments of this application provide a motor rear end cover, including: a rear end cover body;

[0006] Characterized in that: a shaft hole is provided on the rear end cover body;

[0007] A motor rear end cover further includes:

[0008] A fixed retaining ring, fixedly connected to the end wall of the rear end cover body;

[0009] A limit retaining ring, fixedly connected to the end wall of the rear end cover body;

[0010] Wherein, a clamping groove is provided on the inner wall of the fixed retaining ring;

[0011] An embedded retaining ring, inserted into the fixed retaining ring;

[0012] Wherein, the embedded retaining ring is made of steel material;

[0013] An embedded groove is provided at one end of the embedded retaining ring;

[0014] An embedded clamping bar, fixedly connected to the side wall of the embedded retaining ring;

[0015] An arc-shaped groove is provided on the side wall of the embedded retaining ring;

[0016] A convex block, fixedly connected to the arc-shaped groove.

[0017] Furthermore, the motor rear end cover further includes:

[0018] The connecting block is fixedly connected to the side wall of the rear end cover body;

[0019] Wherein, a through hole is provided on the connecting block.

[0020] Furthermore, a plurality of connecting blocks are provided and fixedly connected to the side wall of the rear end cover body at equal intervals.

[0021] Furthermore, a connecting hole is provided on the connecting block.

[0022] Furthermore, a groove is provided on the inner wall of the fixing snap ring.

[0023] Furthermore, the embedded snap ring is strip-shaped and bent to form a tubular snap ring, and the arc surface of the embedded snap ring contacts the inner wall of the fixing snap ring.

[0024] Furthermore, a part of the embedded snap bar is inserted into the card slot.

[0025] Furthermore, a plurality of arc-shaped grooves are provided and arranged on the arc-shaped side wall of the embedded snap ring at equal intervals, and a plurality of convex blocks are provided and fixedly connected to the groove wall of the arc-shaped groove at equal intervals.

[0026] Furthermore, a part of the convex block protrudes out of the groove of the arc-shaped groove, and the protruding part of the convex block extends into the groove.

[0027] The beneficial effect of this application is: A motor rear end cover is provided, and by setting a steel embedded snap ring, the strength of the rear end cover body is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings constituting a part of this application are used to provide a further understanding of this application, making other features, purposes, and advantages of this application more obvious. The schematic embodiments of the drawings of this application and their descriptions are used to explain this application and do not constitute an improper limitation to this application.

[0029] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic, and the elements and elements are not necessarily drawn to scale.

[0030] In the drawings:

[0031] Figure 1 is the overall schematic diagram according to the embodiment of this application;

[0032] Figure 2 is Figure 1 the overall bottom view of

[0033] Figure 3 is the structural schematic diagram of a part of the embodiment, mainly showing the structure of the rear end cover body;

[0034] Figure 4A structural schematic diagram of a part of an embodiment, mainly showing an embedded snap ring structure.

[0035] Reference numerals:

[0036] 11. Rear end cover body; 12. Connecting block; 13. Through hole; 14. Connecting hole; 15. Shaft hole; 16. Fixed snap ring; 17. Limiting snap ring; 18. Card slot; 19. Embedded snap ring; 20. Embedded groove; 21. Embedded card strip; 22. Arc groove; 23. Protrusion; 24. Groove. Detailed implementation manners

[0037] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not used to limit the protection scope of the present disclosure.

[0038] In addition, it should be noted that for the sake of description, only the parts related to the relevant invention are shown in the drawings. Without conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.

[0039] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependent relationships.

[0040] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly specified in the context, it should be understood as "one or more".

[0041] The present disclosure will be described in detail below with reference to the drawings and in combination with the embodiments.

[0042] Refer to Figures 1-4 , the motor rear end cover includes: a rear end cover body 11, a fixed snap ring 16, a limiting snap ring 17, an embedded snap ring 19, an embedded card strip 21, and a protrusion 23.

[0043] The rear end cover body 11 is made of aluminum alloy material. An axial hole 15 is provided on the rear end cover body 11. A fixed snap ring 16 is fixedly connected to the end wall of the rear end cover body 11, and a limit snap ring 17 is fixedly connected to the end wall of the rear end cover body 11. A clamping groove 18 is provided on the inner wall of the fixed snap ring 16, and a groove 24 is provided on the inner wall of the fixed snap ring 16. A plurality of connecting blocks 12 are provided and fixedly connected to the side wall of the rear end cover body 11 at equal intervals. A through hole 13 is provided on the connecting block 12, and a connecting hole 14 is provided on the connecting block 12.

[0044] The embedded snap ring 19 is made of steel material. The embedded snap ring 19 is inserted into the fixed snap ring 16. An embedded groove 20 is provided at one end of the embedded snap ring 19, and an embedded strip 21 is fixedly connected to the side wall of the embedded snap ring 19. The embedded snap ring 19 is strip-shaped and bent to form a tubular snap ring. The arc surface of the embedded snap ring 19 contacts the inner wall of the fixed snap ring 16, and a part of the embedded strip 21 is inserted into the clamping groove 18.

[0045] A plurality of arc-shaped grooves 22 are provided at equal intervals on the side wall of the embedded snap ring 19. A plurality of convex blocks 23 are provided and fixedly connected to the groove wall of the arc-shaped grooves 22 at equal intervals. A part of the convex block 23 protrudes out of the groove of the arc-shaped groove 22, and the protruding part of the convex block 23 extends into the groove 24.

[0046] Working or installation process:

[0047] Weld the convex blocks 23 to the arc-shaped grooves 22 respectively and bend the embedded snap ring 19 into a tubular shape. Snap the convex blocks 23 into the groove 24 and make the arc surface of the embedded snap ring 19 fit with the inner wall of the fixed snap ring 16. Insert the rotating shaft of the motor into the axial hole 15 and make the motor rotating shaft extend out through the axial hole 15. Align the connecting blocks 12 on the rear end cover body 11 with the motor housing and fix the connecting blocks 12 to the motor housing by inserting bolts into the through holes 13, so that the rear end cover body 11 is fixedly connected to the motor housing. By connecting the embedded snap ring 19 with the rear end cover body 11, the strength of the rear end cover body 11 is improved.

[0048] The above description is only some preferred embodiments of the present disclosure and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by mutually replacing the above features with the (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure.

Claims

1. A motor rear end cover, comprising: Rear end cover body (11); It is characterized in that: a shaft hole (15) is provided on the rear end cover body (11); The motor rear end cover further includes: A fixed retaining ring (16), fixedly connected to the end wall of the rear end cover body (11); A limit retaining ring (17), fixedly connected to the end wall of the rear end cover body (11); Wherein, a clamping groove (18) is provided on the inner wall of the fixed retaining ring (16); An embedded retaining ring (19), inserted into the fixed retaining ring (16); Wherein, the embedded retaining ring (19) is made of steel; An embedded groove (20) is provided at one end of the embedded retaining ring (19); An embedded clamping strip (21), fixedly connected to the side wall of the embedded retaining ring (19); An arc-shaped groove (22) is provided on the side wall of the embedded retaining ring (19); A convex block (23), fixedly connected to the arc-shaped groove (22).

2. The motor rear end cover according to claim 1, characterized in that: The motor rear end cover further includes: A connecting block (12), fixedly connected to the side wall of the rear end cover body (11); Wherein, a through hole (13) is provided on the connecting block (12).

3. The motor rear end cover according to claim 2, characterized in that: A plurality of the connecting blocks (12) are provided and are fixedly connected to the side wall of the rear end cover body (11) at equal intervals.

4. The motor rear end cover according to claim 3, characterized in that: A connecting hole (14) is provided on the connecting block (12).

5. The motor rear end cover according to claim 1, characterized in that: A groove (24) is provided on the inner wall of the fixed retaining ring (16).

6. The motor rear end cover according to claim 5, characterized in that: The embedded retaining ring (19) is strip-shaped and bent to form a tubular retaining ring, and the arc surface of the embedded retaining ring (19) contacts the inner wall of the fixed retaining ring (16).

7. The motor rear end cover according to claim 6, characterized in that: A part of the embedded clamping strip (21) is inserted into the clamping groove (18).

8. The motor rear end cover according to claim 7, characterized in that: A plurality of the arc-shaped grooves (22) are provided and are arranged on the arc-shaped side wall of the embedded retaining ring (19) at equal intervals, and a plurality of the convex blocks (23) are provided and are fixedly connected to the groove wall of the arc-shaped groove (22) at equal intervals.

9. The motor rear end cover according to claim 8, characterized in that: A part of the convex block (23) protrudes out of the groove of the arc-shaped groove (22), and the protruding part of the convex block (23) extends into the groove (24).

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