End cover and pressing plate combined structure capable of adjusting pressure of bearing spring
By designing an end cap pressure plate assembly structure with adjustable bearing spring pressure, the problem of uneven bearing pressure was solved, thus improving the service life of the bearing and motor.
Patent Information
- Application Number
- CN202520009116.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-03
AI Technical Summary
The inconsistent compression distance of the spring washer between the bearing end face and the bottom of the bearing housing leads to uneven bearing pressure, affecting bearing life and motor noise.
An adjustable bearing spring pressure end cap pressure plate assembly structure was designed, comprising an end cap body, a machine body, an adjusting thread, an adjusting block, and a spring washer. The clamping distance of the spring washer is adjusted by adjusting the adjusting thread and the adjusting block to ensure consistent pressure.
By adjusting the clamping distance of the spring washer, the bearing pressure became uniform, which improved the bearing's service life, reduced motor noise, and increased the overall lifespan of the motor.
Smart Images
Figure CN223798025U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor technology, specifically to an end cover pressure plate assembly structure with adjustable bearing spring pressure. Background Technology
[0002] The bearing is placed in the bearing housing of the end cover. The distance between the bearing end face and the bottom of the bearing housing is adjusted by spring washers. Due to the machining tolerance of the shaft and end cover and other mating parts, the compression distance of the spring washers varies and the difference is large.
[0003] The varying compression distances of spring washers result in different adjustment pressures. Excessive pressure reduces bearing life, while insufficient pressure can cause noise problems. Therefore, even high-life motors often experience reduced lifespan due to excessive spring washer pressure, ultimately leading to motor failure after bearing damage. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides an end cap pressure plate assembly structure with adjustable bearing spring pressure.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: an end cap pressure plate assembly structure with adjustable bearing spring pressure, comprising an end cap body, a machine body, and a pressure plate assembly. An end cap body is provided on one side of the machine body, a bearing groove is provided within the end cap body, and a bearing body is disposed within the bearing groove. A pressure plate assembly is also provided at the end of the end cap body away from the machine body. The pressure plate assembly includes an adjusting thread, an adjusting block, and a spring washer. The adjusting thread passes through the end cap body and extends into the bearing groove. The adjusting block and the spring washer are also disposed within the bearing groove. The adjusting block is disposed between the adjusting thread and the spring washer, and the spring washer is disposed between the adjusting block and the bearing body.
[0008] In order to stabilize the extrusion of the adjusting block, the present invention is improved by setting the adjusting thread into several groups.
[0009] To facilitate the driving of the adjusting thread, this utility model is improved by providing a screw head at the end of the adjusting thread away from the machine body.
[0010] Preferably, the inner diameter of the spring washer is smaller than the inner diameter of the adjusting block.
[0011] Preferably, several sets of adjusting threads with the screw heads are evenly arranged.
[0012] (III) Beneficial Effects
[0013] Compared with the prior art, this utility model provides an end cap pressure plate assembly structure with adjustable bearing spring pressure, which has the following beneficial effects:
[0014] This adjustable bearing spring pressure end cover plate assembly structure incorporates an adjusting thread and an adjusting block. An adjusting caliper is used to determine the required adjustment distance. The distance between the adjusting block and the bearing cross-section is adjusted by rotating the adjusting thread, and the adjusting caliper is used again to confirm the desired adjustment distance. This standardizes the spring washer clamping distance, improves the problem of inconsistent spring washer pressure, ensures consistent spring washer pressure, extends bearing life, and consequently improves motor life. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the cross-section of the structure of this utility model;
[0017] In the diagram: 1. End cap body; 2. Machine body; 3. Bearing body; 4. Adjusting thread; 5. Adjusting pressure block; 6. Spring washer; 7. Screw head. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figure 1-2 An adjustable bearing spring pressure end cap pressure plate assembly structure includes an end cap body 1, a body 2, and a pressure plate assembly. The end cap body 1 is provided on one side of the body 2. A bearing groove is provided inside the end cap body 1. A bearing body 3 is provided inside the bearing groove. A pressure plate assembly is also provided at the end of the end cap body 1 away from the body 2. The pressure plate assembly includes an adjusting thread 4, an adjusting block 5, and a spring washer 6. The adjusting thread 4 passes through the end cap body 1 and extends into the bearing groove. The adjusting block 5 and the spring washer 6 are also provided inside the bearing groove. The adjusting block 5 is located between the adjusting thread 4 and the spring washer 6. The spring washer 6 is located between the adjusting block 5 and the bearing body 3.
[0020] In actual use, by rotating the adjusting screw 4, the adjusting block 5 can be fed towards the spring washer 6. The end cover body 1 provides stable support for the adjusting screw 4. The structure of adjusting the distance between the spring washer and the adjusting block 5 by rotating the adjusting screw to drive the adjusting screw 5 to move back and forth is used to adjust the pressing distance of the spring washer, thereby improving the problem of inconsistent pressure of the spring washer, making the pressure of the spring washer uniform, improving the bearing life, and thus greatly improving the motor life. The adjusting screw 4 is set in several groups, and the end of the adjusting screw 4 away from the machine body 2 is provided with a screw head 7. The several groups of adjusting screw 4 with the screw head 7 are evenly arranged. The screw head 7 can conveniently and stably drive the adjusting screw 4. With the several groups of evenly arranged adjusting screw 4, it is convenient to feed the adjusting block 5 evenly.
[0021] In this embodiment, the inner diameter of the spring washer 6 is smaller than the inner diameter of the adjusting block 5. As needed, the end cap body 1 can be provided with a through hole to place a caliper, further ensuring precise adjustment.
[0022] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.
[0023] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.
[0024] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.
[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An adjustable bearing spring pressure end cover plate assembly structure, the end cover plate assembly structure being mounted on a machine body (2), the end cover plate assembly structure comprising an end cover body (1) and a pressure plate assembly, characterized in that: An end cap body (1) is provided on one side of the body (2). A bearing groove is provided inside the end cap body (1). A bearing body (3) is provided inside the bearing groove. A pressure plate assembly is also provided at the end of the end cap body (1) away from the body (2). The pressure plate assembly includes an adjusting thread (4), an adjusting block (5), and a spring washer (6). The adjusting thread (4) passes through the end cap body (1) and extends into the bearing groove. The adjusting block (5) and the spring washer (6) are also provided inside the bearing groove. The adjusting block (5) is located between the adjusting thread (4) and the spring washer (6). The spring washer (6) is located between the adjusting block (5) and the bearing body (3).
2. The end cover pressure plate assembly structure with adjustable bearing spring pressure according to claim 1, characterized in that: The adjusting thread (4) is set into several groups.
3. The end cover pressure plate assembly structure with adjustable bearing spring pressure according to claim 2, characterized in that: The adjusting thread (4) is provided with a screw head (7) at the end away from the machine body (2).
4. The end cover pressure plate assembly structure with adjustable bearing spring pressure according to claim 3, characterized in that: The inner diameter of the spring washer (6) is smaller than the inner diameter of the adjusting block (5).
5. The end cover pressure plate assembly structure with adjustable bearing spring pressure according to claim 4, characterized in that: Several sets of adjusting threads (4) with the screw head (7) are evenly arranged.