Oil leakage prevention device for bearing

Abstract

The utility model relates to a bearing oil leakage prevention device which comprises roller bearings and a connecting shaft, the connecting shaft is installed on the side faces of the roller bearings, a protection structure capable of achieving oil leakage prevention is arranged between the two sets of roller bearings, and the protection structure is inserted into the surface of the connecting shaft. The bearing sealing sleeve solves the problems that an existing bearing sealing sleeve cannot effectively prevent oil leakage, and bearing lubrication cannot be guaranteed when a bearing rotates.

Description

Technical Field

[0001] The utility model relates to the technical field, and specifically relates to an anti-oil leakage device for bearings. Background Technique

[0002] During the use of bearings, a sealing sleeve is often installed between two sets of ball bearings. The function of this sealing sleeve is to prevent oil leakage. Generally, the sealing sleeve is tightly sleeved on the surface of the connecting shaft.

[0003] The existing one is composed of a plastic shell and a very thin sealing strip in the middle. The sealing contact surface is narrow and the sealing effect is not good; when the vehicle is overweight or the road surface is bumpy, it is easy to cause oil leakage; the lubricating oil is easy to seep along the axle to the brake pads, and in serious cases, it will cause brake failure. Secondly, butter is applied to the existing bearings, but the existing sealing sleeve cannot prevent the butter from slipping due to the rotation of the bearing, thus reducing the lubricating effect on the bearing.

[0004] Therefore, in order to increase the sealing contact area, effectively prevent oil leakage, prevent serious accidents such as brake failure caused by oil leakage, and secondly prevent the butter from slipping when the bearing rotates and reducing the lubricating effect of the bearing, a bearing anti-oil leakage device is hereby proposed to solve the technical problems existing in the prior art. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides an anti-oil leakage device for bearings, which solves the problems that the existing bearing sealing sleeve cannot effectively prevent oil leakage and the bearing cannot ensure lubrication when rotating.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an anti-oil leakage device for bearings, including a roller bearing and a connecting shaft. The connecting shaft is installed on the side of the roller bearing. A protective structure capable of preventing oil leakage is arranged between two sets of roller bearings, and the protective structure is inserted into the surface of the connecting shaft.

[0007] Through the above technical solution, further, the protective structure includes a sealing sleeve, a rubber strip, a retaining ring, a raised plate, and a spring;

[0008] The retaining ring is installed on the inner side of the sealing sleeve. The inner side of the sealing sleeve is also provided with a raised plate. A spring is installed in the raised plate, and rubber strips are symmetrically arranged on the inner side of the sealing sleeve. The lower end surfaces of the rubber strips are in contact with the surface of the connecting shaft.

[0009] Further, a slot is opened on the surface of the connecting shaft, and the retaining ring is stuck in the slot.

[0010] Compared with the prior art, the utility model provides an anti-oil leakage device for bearings, which has the following beneficial effects:

[0011] 1. Insert a set of connecting shafts into the sealing sleeve so that the surface of the connecting shaft contacts the rubber strip. Through the action of the rubber strip, the contact surface of the seal is increased. Secondly, through the action of the spring and its elastic force, the rubber strip can contact the surface of the connecting shaft more tightly, thereby effectively preventing oil leakage and solving the problem that the existing bearing sealing sleeve cannot effectively prevent oil leakage.

[0012] 2. Secondly, the sealing sleeve in this device covers the surface of the connecting shaft. One end of the sealing sleeve is close to the right end of the roller bearing. Therefore, when butter is applied to the surface of the roller bearing, when the bearing rotates, the sealing sleeve in this device can prevent the butter from slipping off the surface of the bearing due to the rotation of the bearing, so as to ensure the lubrication effect of the roller bearing. Brief Description of the Drawings

[0013] Figure 1 It is a schematic structural diagram of a bearing oil leakage prevention device of the present utility model;

[0014] Figure 2 It is a bearing oil leakage prevention device of the present utility model Figure 1 Schematic cross-sectional view of the A-A structure;

[0015] Figure 3 It is a schematic structural diagram of the roller bearing of a bearing oil leakage prevention device of the present utility model;

[0016] Figure 4 It is a schematic structural diagram of the sealing sleeve of a bearing oil leakage prevention device of the present utility model;

[0017] Figure 5 It is a bearing oil leakage prevention device of the present utility model Figure 4 Schematic enlarged view of the partial structure at A;

[0018] Figure 6 It is a bearing oil leakage prevention device of the present utility model Figure 4 Schematic enlarged view of the partial structure at B.

[0019] In the figure: 1. Roller bearing; 2. Connecting shaft; 3. Sealing sleeve; 4. Rubber strip; 5. Retaining ring; 6. Raised plate; 7. Spring. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Embodiment

[0022] Please refer to Figures 1-6 , the present utility model provides the following technical solutions: An anti-oil leakage device for bearings, including a roller bearing 1 and a connecting shaft 2. The connecting shaft 2 is installed on the side of the roller bearing 1. A protective structure capable of preventing oil leakage is provided between two groups of roller bearings 1, and the protective structure is inserted onto the surface of the connecting shaft 2.

[0023] In this embodiment, the specific working principle is as follows: First, insert the connecting shaft 2 into the protective structure. Through the protective structure, a good sealing effect is achieved. The two connecting shafts 2 are connected together through the protective structure, thereby preventing the occurrence of oil leakage in the existing protective structure (here referring to the sealing sleeve 3). One end of the sealing sleeve 3 is close to the right end of the roller bearing 2. Therefore, when grease is applied to the surface of the roller bearing 2, when the roller bearing 2 rotates, the sealing sleeve 3 in this device can prevent the problem that the grease slides off the surface of the roller bearing 2 due to the rotation of the roller bearing 2, so that the lubricating effect of the roller bearing 2 cannot be ensured.

[0024] According to the above, as for how the protective structure achieves anti-oil leakage, specifically, please refer to Figure Figure 4 , Figure 5 , Figure 6 It can be seen that the protective structure includes a sealing sleeve 3, a rubber strip 4, a retaining ring 5, a raised plate 6, and a spring 7;

[0025] The retaining ring 5 is installed on the inner side surface of the sealing sleeve 3. The inner side surface of the sealing sleeve 3 is also provided with a raised plate 6. A spring 7 is installed inside the raised plate 6. Rubber strips 4 are symmetrically arranged on the inner side surface of the sealing sleeve 3. The lower end surface of the rubber strip 4 contacts the surface of the connecting shaft 2. The connecting shaft 2 will contact the rubber strip 4. Through the action of the rubber strip 4, the contact area with the surface of the connecting shaft 2 is increased. Secondly, through the action of the spring 7, the elastic acting force is increased, so that the rubber strip 2 is tightly connected to the surface of the connecting shaft 2, thereby effectively preventing the occurrence of oil leakage.

[0026] Specifically, please refer to Figure Figure 2 It can be seen that a slot is opened on the surface of the connecting shaft 2, and the retaining ring 5 is stuck in the slot.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A bearing anti-oil leakage device, comprising a roller bearing (1) and a connecting shaft (2), the connecting shaft (2) is installed on the side of the roller bearing (1), and is characterized in that: A protective structure capable of preventing oil leakage is provided between two groups of roller bearings (1), and the protective structure is inserted into the surface of the connecting shaft (2).

2. The bearing anti-oil leakage device according to claim 1, wherein: The protective structure includes a sealing sleeve (3), a rubber strip (4), a retaining ring (5), a raised plate (6), and a spring (7); The retaining ring (5) is installed on the inner side surface of the sealing sleeve (3), a raised plate (6) is further provided on the inner side surface of the sealing sleeve (3), a spring (7) is installed in the raised plate (6), and rubber strips (4) are symmetrically arranged on the inner side surface of the sealing sleeve (3), and the lower end surfaces of the rubber strips (4) are in contact with the surface of the connecting shaft (2).

3. The bearing anti-oil leakage device according to claim 1, wherein: A slot is formed on the surface of the connecting shaft (2), and the retaining ring (5) is stuck in the slot.

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