Dustproof deep groove ball bearing with inner and outer ring offset

Abstract

The utility model relates to bearing technical field, and disclose a dustproof deep groove ball bearing with inner and outer ring offset, solved the problem that the bearing dustproof effect of existing is not good, it includes deep groove ball bearing body, the deep groove ball bearing body is by outer ring, inner race, retainer and a plurality of rolling body constitutes, inner race is located the inside of outer ring, and the retainer and rolling body all are located between outer ring and inner race, and the retainer is set up in rolling body, and the outer surface of inner race and the inner surface of outer ring all are provided with the groove that is matched with rolling body, and both sides between outer ring and inner race are provided with dustproof component no.

Description

Technical Field

[0001] This utility model belongs to the field of bearing technology, specifically a dustproof deep groove ball bearing with inner and outer ring offset. Background Technology

[0002] Deep groove ball bearings are the most widely used type of bearing, characterized by low frictional resistance, high speed, and suitability for applications involving radial loads or combined radial and axial loads. Existing deep groove ball bearings have grooves on both the inner and outer rings to limit the rolling elements and prevent misalignment. However, existing deep groove ball bearings also suffer from poor dust protection. When dust and impurities enter the bearing, they not only affect lubrication but also increase friction, potentially causing the inner ring to misalign due to resistance, thus affecting bearing life. Therefore, this application proposes a dustproof deep groove ball bearing with inner and outer ring misalignment. Utility Model Content

[0003] In view of the above situation and to overcome the defects of the prior art, this utility model provides a dustproof deep groove ball bearing with inner and outer ring offset, which effectively solves the problem of poor dustproof effect of existing bearings.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a dustproof deep groove ball bearing with inner and outer ring offset, comprising a deep groove ball bearing body, wherein the deep groove ball bearing body is composed of an outer ring, an inner ring, a cage and a plurality of rolling elements, the inner ring is located inside the outer ring, the cage and the rolling elements are both located between the outer ring and the inner ring, the cage is sleeved on the rolling elements, the outer surface of the inner ring and the inner surface of the outer ring are provided with grooves that match the rolling elements, and dustproof component one and dustproof component two are respectively provided on both sides between the outer ring and the inner ring;

[0005] Dustproof component one and dustproof component two are both composed of dustproof ring one and dustproof ring two. Dustproof ring one is installed on the side of the inner surface of the outer ring by several screws one, and dustproof ring two is installed on the side of the outer surface of the inner ring by several screws two. Dustproof ring one is composed of an annular base, an annular retaining ring and a side retaining ring. The annular retaining ring is connected to one side of the inner surface of the annular base, and the side retaining ring is connected to one side of the annular retaining ring. A rubber sealing ring is embedded on one side of the inner surface of dustproof ring two. The inner surface of the rubber sealing ring is provided with two rubber protrusions that fit against the outer surface of the side retaining ring.

[0006] Preferably, the annular base, the annular retaining ring, and the side retaining ring are an integral structure, the rubber sealing ring and the rubber protrusion are an integral structure, and the rubber sealing ring and the dustproof ring are a snap-fit ​​detachable connection structure.

[0007] Preferably, the inner surface of the outer ring is provided with annular groove 1 matching the dustproof ring 1 on both sides, and the outer surface of the inner ring is provided with annular groove 2 matching the dustproof ring 2 on both sides. The width of annular groove 1 and annular groove 2 is the same, and the width of the annular base is greater than the width of dustproof ring 2.

[0008] Preferably, a sealing gasket is provided between the first dustproof ring and the outer ring, and a sealing gasket is provided between the second dustproof ring and the inner ring.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] (1) In operation, by setting a deep groove ball bearing body consisting of an outer ring, an inner ring, a cage and several rolling elements, and setting grooves matching the rolling elements on the outer surface of the inner ring and the inner surface of the outer ring, the inner and outer rings are anti-displacement limit is achieved through the structure of the deep groove ball bearing itself, thereby improving the working stability of the deep groove ball bearing.

[0011] (2) By setting up a second dustproof ring and a first dustproof ring consisting of an annular base, an annular retaining ring and a side retaining ring, the dustproof effect can be improved. By setting up a rubber sealing ring, a rubber convex edge, a first sealing gasket and a second sealing gasket, the overall dustproof effect can be improved, preventing dust and impurities from entering the bearing and affecting the bearing lubrication, and also preventing the inner and outer rings from shifting due to dust and impurities. Attached Figure Description

[0012] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0013] In the attached diagram:

[0014] Figure 1 This is a schematic diagram of the dustproof deep groove ball bearing structure with inner and outer ring offset according to the present invention;

[0015] Figure 2 This is a cross-sectional view of the dustproof deep groove ball bearing with inner and outer ring offset according to the present invention;

[0016] Figure 3 This is a partial cross-sectional view of the dustproof deep groove ball bearing with inner and outer ring offset according to the present invention;

[0017] Figure 4 This is a partial cross-sectional view of the dustproof ring of this utility model;

[0018] Figure 5 This is a partial sectional view of the dustproof ring of this utility model;

[0019] In the diagram: 1. Deep groove ball bearing body; 2. Outer ring; 3. Inner ring; 4. Cage; 5. Rolling elements; 6. Dustproof assembly one; 7. Dustproof assembly two; 8. Dustproof ring one; 9. Dustproof ring two; 10. Screw one; 11. Screw two; 12. Annular base; 13. Annular retaining ring; 14. Side retaining ring; 15. Rubber seal ring; 16. Rubber protrusion; 17. Annular groove one; 18. Annular groove two; 19. Sealing washer one; 20. Sealing washer two. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] Depend on Figures 1 to 5 The present invention discloses a dustproof deep groove ball bearing with inner and outer ring offset, comprising a deep groove ball bearing body 1, which is composed of an outer ring 2, an inner ring 3, a cage 4 and a plurality of rolling elements 5. The inner ring 3 is located inside the outer ring 2, and the cage 4 and the rolling elements 5 are both located between the outer ring 2 and the inner ring 3. The cage 4 is sleeved on the rolling elements 5. The outer surface of the inner ring 3 and the inner surface of the outer ring 2 are provided with grooves that match the rolling elements 5. Dustproof component 1 6 and dustproof component 2 7 are respectively provided on both sides between the outer ring 2 and the inner ring 3.

[0022] The groove and cage 4 limit the rolling elements 5, improve the stability of the outer ring 2 and inner ring 3, and prevent misalignment. Dustproof component 1 6 and dustproof component 2 7 can improve the dustproof effect and prevent dust and impurities from entering the bearing.

[0023] Dustproof component 1 (6) and dustproof component 2 (7) are both composed of dustproof ring 1 (8) and dustproof ring 2 (9). Dustproof ring 1 (8) is installed on the side of the inner surface of the outer ring 2 by several screws 10. Dustproof ring 2 (9) is installed on the side of the outer surface of the inner ring 3 by several screws 2 (11). Dustproof ring 1 (8) is composed of an annular base 12, an annular retaining ring 13, and a side retaining ring 14. The annular retaining ring 13 is connected to one side of the inner surface of the annular base 12, and the side retaining ring 14 is connected to one side of the annular retaining ring 13. A rubber sealing ring 15 is embedded on one side of the inner surface of dustproof ring 2 (9). The inner surface of the rubber sealing ring 15 is provided with two rubber protrusions 16 that fit against the outer surface of the side retaining ring 14. The annular base 12, the annular retaining ring 13, and the side retaining ring 14 are an integral structure. The rubber sealing ring 15 and the rubber protrusions 16 are an integral structure. The rubber sealing ring 15 and the dustproof ring 2 (9) are a snap-fit ​​detachable connection structure.

[0024] Dustproof ring 18 and dustproof ring 29 form a staggered installation structure to improve the dustproof effect. The annular base 12 supports the annular retaining ring 13 and the side retaining ring 14. The side retaining ring 14 fits with the rubber protrusion 16 to further improve the dustproof effect and reduce friction. The rubber sealing ring 15 and dustproof ring 29 have a snap-fit ​​connection structure, which makes it easy to disassemble and replace the rubber sealing ring 15 regularly.

[0025] Both sides of the inner surface of the outer ring 2 are provided with annular grooves 17 that match the dustproof ring 8. Both sides of the outer surface of the inner ring 3 are provided with annular grooves 18 that match the dustproof ring 9. The width of annular grooves 17 and 18 is the same. The width of the annular base 12 is greater than the width of the dustproof ring 9. Annular grooves 17 and 18 can be used to install dustproof ring 8 and dustproof ring 9 respectively. The width of the annular base 12 is greater than the width of the dustproof ring 9, thus enabling misaligned installation.

[0026] A sealing gasket 19 is provided between the dustproof ring 8 and the outer ring 2, and a sealing gasket 20 is provided between the dustproof ring 9 and the inner ring 3, which can further improve the sealing performance of the connection.

[0027] In operation, the deep groove ball bearing body, consisting of an outer ring, an inner ring, a cage, and several rolling elements, and with grooves matching the rolling elements on both the outer and inner surfaces of the inner ring, achieves anti-misalignment and limiting of the inner and outer rings through its own structure, thus improving the working stability of the deep groove ball bearing. The dustproof effect is further enhanced by the inclusion of a second dustproof ring and a first dustproof ring consisting of an annular base, an annular retaining ring, and a side retaining ring. The overall dustproof effect is further improved by the inclusion of rubber seals, rubber convex edges, a first sealing gasket, and a second sealing gasket, preventing dust and impurities from entering the bearing and affecting lubrication, and also preventing misalignment of the inner and outer rings due to dust and impurities.

Claims

1. A dustproof deep groove ball bearing with inner and outer ring offset, comprising a deep groove ball bearing body (1), characterized in that: The deep groove ball bearing body (1) is composed of an outer ring (2), an inner ring (3), a cage (4) and several rolling elements (5). The inner ring (3) is located inside the outer ring (2). The cage (4) and the rolling elements (5) are both located between the outer ring (2) and the inner ring (3). The cage (4) is sleeved on the rolling elements (5). The outer surface of the inner ring (3) and the inner surface of the outer ring (2) are provided with grooves that match the rolling elements (5). Dustproof component one (6) and dustproof component two (7) are respectively provided on both sides between the outer ring (2) and the inner ring (3). Dustproof component one (6) and dustproof component two (7) are both composed of dustproof ring one (8) and dustproof ring two (9). Dustproof ring one (8) is installed on the side of the inner surface of the outer ring (2) by several screws one (10). Dustproof ring two (9) is installed on the side of the outer surface of the inner ring (3) by several screws two (11). Dustproof ring one (8) is composed of an annular base (12), an annular retaining ring (13) and a side retaining ring (14). The annular retaining ring (13) is connected to one side of the inner surface of the annular base (12), and the side retaining ring (14) is connected to one side of the annular retaining ring (13). A rubber sealing ring (15) is embedded on one side of the inner surface of dustproof ring two (9). The inner surface of the rubber sealing ring (15) is provided with two rubber protrusions (16) that fit against the outer surface of the side retaining ring (14).

2. A dustproof deep groove ball bearing with inner and outer ring offset according to claim 1, characterized in that: The annular base (12), annular retaining ring (13) and side retaining ring (14) are an integral structure, the rubber sealing ring (15) and the rubber protrusion (16) are an integral structure, and the rubber sealing ring (15) and the dustproof ring (9) are a snap-fit ​​detachable connection structure.

3. A dustproof deep groove ball bearing with inner and outer ring offset according to claim 1, characterized in that: The inner surface of the outer ring (2) is provided with annular grooves (17) that match the dustproof ring (8) on both sides. The outer surface of the inner ring (3) is provided with annular grooves (18) that match the dustproof ring (9) on both sides. The width of annular grooves (17) and annular grooves (18) is the same. The width of the annular base (12) is greater than the width of the dustproof ring (9).

4. A dustproof deep groove ball bearing with inner and outer ring offset according to claim 1, characterized in that: A sealing gasket (19) is provided between the first dustproof ring (8) and the outer ring (2), and a sealing gasket (20) is provided between the second dustproof ring (9) and the inner ring (3).

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