Anti-skid structure for preventing bearing outer ring from being abraded
By setting a metal-rubber structural component between the bearing housing and the corrugated gasket, the contact area is increased and relative movement is prevented, which solves the problem of small contact area in traditional bearing structures, improves the bearing's load-bearing capacity and service life, and reduces maintenance requirements.
Patent Information
- Application Number
- CN202520012739.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-03
AI Technical Summary
The traditional structure of the wave washer in motors, which makes close contact with the bearing, results in a small contact area, stress concentration, reduced bearing load capacity and service life, and increased maintenance needs and costs.
The structure uses metal and rubber components, including metal gaskets and rubber gaskets. The contact area between the bearing body and the corrugated gasket is increased by the cooperation of the limiting groove and the limiting protrusion. The cavity pressure is formed by the air holes on the rubber gasket to prevent relative movement.
It effectively prevents wear on the outer ring of the bearing, increases the contact area and load-bearing capacity of the bearing, extends its service life, and reduces maintenance frequency and cost.
Smart Images
Figure CN223693766U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing technical field, concretely is a kind of anti-skid structure of preventing bearing outer ring abrasion. BACKGROUND
[0002] The structure of traditional motor waveform washer close point contact and bearing cooperation has the problem of small contact area, which can cause stress concentration at the contact point, increase the risk of bearing damage, due to small contact area, the carrying capacity of this structure is relatively limited, and it may not be able to withstand large load or impact load, under high speed or high frequency working condition, the design of point contact is easy to cause bearing wear, thereby affecting the service life of bearing, due to the design of point contact, frequent maintenance requirement is caused, maintenance cost and downtime are increased, in view of the above problems, the present application designs an anti-skid structure for preventing bearing outer ring abrasion. SUMMARY
[0003] (I) Technical problem solved
[0004] In view of the deficiencies of the prior art, the utility model provides an anti-skid structure for preventing bearing outer ring abrasion.
[0005] (II) Technical scheme
[0006] To achieve the above purpose, the utility model provides the following technical scheme: an anti-skid structure for preventing bearing outer ring abrasion, comprising a motor end cover, a bearing chamber is arranged at the middle position of the motor end cover, a waveform gasket and a bearing body are arranged in the bearing chamber, the waveform gasket is located at the bottom end of the bearing chamber, a metal rubber structural member for increasing the contact area is arranged in the bearing chamber, the metal rubber structural member is located between the bearing body and the waveform gasket, the metal rubber structural member comprises a metal gasket and a rubber gasket, the rubber gasket is fixed on the metal gasket, the metal gasket is in contact with the waveform gasket, the rubber gasket is in contact with the bearing body, a limiting sliding groove is formed on the inner side wall of the bearing chamber, a limiting protrusion adapted to the limiting sliding groove is arranged on the metal gasket, and the limiting protrusion is connected with the limiting sliding groove in an up-down sliding mode.
[0007] In order to increase the contact force between the rubber gasket and the bearing body, the utility model improves that a plurality of air holes are formed in the rubber gasket.
[0008] Further, the utility model improves that the rubber gasket is made of high-elastic rubber material.
[0009] (III) Beneficial effects
[0010] Compared with the prior art, the utility model provides an anti-skid structure for preventing bearing outer ring abrasion, which has the following beneficial effects:
[0011] The anti-skid washer structure preventing the bearing outer ring from wearing, by setting the metal-rubber structural member between the bearing body and the wave-shaped gasket, according to the metal gasket and the rubber anti-skid characteristics, and at the same time, the bearing chamber is provided with the limiting sliding groove fixing the metal gasket to prevent it from rotating, the contact area of the bearing body and the wave-shaped gasket is increased, the problems of the motor bearing outer ring wearing, the service life reducing and the like are effectively solved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a top view structure schematic diagram of the utility model;
[0013] Figure 2 It is a sectional view structure schematic diagram of the utility model;
[0014] Figure 3 It is a bottom structure schematic diagram of the metal-rubber structural member of the utility model;
[0015] Figure 4 It is a sectional view structure schematic diagram of the metal-rubber structural member of the utility model;
[0016] Figure 5 It is a top structure schematic diagram of the metal-rubber structural member of the utility model.
[0017] In the drawing: 1, motor end cover; 2, bearing chamber; 3, wave-shaped gasket; 4, bearing body; 5, metal gasket; 6, rubber gasket; 7, limiting sliding groove; 8, limiting protrusion; 9, air hole. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] Please refer to Figures 1-5The application discloses a structure for preventing the abrasion of a bearing outer ring, which comprises a motor end cover 1, a bearing chamber 2 arranged at the middle position of the motor end cover 1, a wave-shaped gasket 3 and a bearing body 4 arranged in the bearing chamber 2, wherein the wave-shaped gasket 3 is arranged at the bottom end of the bearing chamber 2, a metal-rubber structure is arranged in the bearing chamber 2 for increasing the contact area, the metal-rubber structure is arranged between the bearing body 4 and the wave-shaped gasket 3, the metal-rubber structure comprises a metal gasket 5 and a rubber gasket 6, the rubber gasket 6 is fixed on the metal gasket 5, the metal gasket 5 is in contact with the wave-shaped gasket 3, the rubber gasket 6 is in contact with the bearing body 4, a limiting sliding groove 7 is formed in the inner side wall of the bearing chamber 2, a limiting protrusion 8 is arranged on the metal gasket 5 and matched with the limiting sliding groove 7, and the limiting protrusion 8 is in up-down sliding connection with the limiting sliding groove 7.
[0020] During the assembly of the motor, the metal-rubber structure is arranged between the bearing body 4 and the wave-shaped gasket 3, the metal gasket 5 is in contact with the wave-shaped gasket 3, and the rubber gasket 6 is in contact with the bearing body 4; during the operation of the motor, due to the pre-tightening force, the wave-shaped gasket 3 acts on the metal gasket 5, so that the rubber gasket 6 is extruded against the outer ring of the bearing body 4, surface contact is formed, the contact area is increased, the limiting sliding groove 7 is formed in the bearing chamber 2 for fixing the metal-rubber structure and preventing the metal-rubber structure from rotating in the radial direction, and air holes 9 are formed in the rubber gasket 6, so that a cavity pressure is formed during the operation, the contact force with the bearing body 4 is further increased, and the relative movement between the outer ring of the bearing body 4 and the wave-shaped gasket 3 is prevented.
[0021] In order to increase the contact force of the rubber gasket 6 with the bearing body 4, a plurality of air holes 9 are formed in the rubber gasket 6 in the embodiment.
[0022] Further, in the embodiment, the rubber gasket 6 is made of high-elastic rubber material.
[0023] In order to describe the possible application scenarios, technical principles, specific implementation schemes and the purposes and effects of the application in detail, the specific embodiments are described below in combination with the drawings. The embodiments described in the present application are only used to more clearly illustrate the technical schemes of the application, and therefore only serve as examples, but cannot be used to limit the protection scope of the application.
[0024] In the present application, the term "embodiment" means that the specific features, structures or characteristics described in combination with the embodiments can be contained in at least one embodiment of the present application. The term "embodiment" appearing at various positions in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form a corresponding implementable technical scheme.
[0025] Unless otherwise defined, the meanings of technical terms used herein are the same as commonly understood by one of ordinary skill in the art to which this application belongs; the use of related terms in the present specification are merely to describe particular embodiments and are not intended to limit the application.
[0026] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.
Claims
1. A slip-proof structure for preventing wear of a bearing outer ring, comprising a motor end cover (1), characterized in that: The motor end cover (1) is provided with a bearing chamber (2) in the middle position, the bearing chamber (2) is provided with a wave gasket (3) and a bearing body (4), the wave gasket (3) is located at the bottom end of the bearing chamber (2), the bearing chamber (2) is provided with a metal rubber structure for increasing the contact area, the metal rubber structure is located between the bearing body (4) and the wave gasket (3), the metal rubber structure comprises a metal gasket (5) and a rubber gasket (6), the rubber gasket (6) is fixed on the metal gasket (5), the metal gasket (5) is in contact with the wave gasket (3), the rubber gasket (6) is in contact with the bearing body (4), a limiting sliding groove (7) is formed on the inner side wall of the bearing chamber (2), a limiting protrusion (8) is arranged on the metal gasket (5) and matched with the limiting sliding groove (7), and the limiting protrusion (8) is connected with the limiting sliding groove (7) in up-down sliding mode.
2. The anti-slip structure for preventing the wear of the outer ring of a bearing according to claim 1, characterized in that: A plurality of air holes (9) are formed in the rubber gasket (6).
3. The anti-slip structure of claim 2, wherein: The rubber gasket (6) is made of high-elastic rubber material.