Bearing with good sealing performance

Abstract

The utility model belongs to the technical field of bearings, and particularly relates to a bearing with good sealing performance, which comprises a bearing shell and a sealing ring, the bearing shell is internally provided with a cavity for bearing the bearing, two sides of the bearing shell are provided with a mounting groove and a through groove for bearing the sealing ring, and the mounting groove is communicated with the through groove. A plurality of arc-shaped grooves are formed in the inner wall of the mounting groove, a plurality of sliding grooves are formed in the inner wall of the cavity, a moving assembly is arranged in each sliding groove, an arc-shaped sealing block is arranged on each moving assembly, a first magnetic surface is arranged on each arc-shaped sealing block, and a sealing cover located in the through groove and arc-shaped blocks arranged in the arc-shaped grooves are arranged on the sealing ring; and a second magnetic surface which repels the first magnetic surface is arranged on the arc-shaped block. The device can be used for sealing a mounting gap, so that the sealing effect of the bearing is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearings, and in particular relates to a bearing with good sealing performance. Background Art

[0002] In various mechanical equipment, bearings are common key components that support and rotate shafts to ensure smooth operation of the shafts. In order to protect bearings from dust, impurities and lubricant leakage, seals are usually used to provide a sealing effect.

[0003] However, conventional bearing seals may have some problems in actual use. First, the installation gap between the seal and the bearing housing easily leads to oil leakage and dust entering the cavity, which will have a negative impact on the performance and life of the bearing. Oil leakage will reduce the supply of lubricant, resulting in increased bearing wear, while dust entry may clog the bearing or cause particle wear.

[0004] In the existing technology, common sealing rings are usually simply installed on the bearing housing, relying on the elastic deformation of the sealing ring to achieve sealing. However, this sealing method may not be able to completely fill the installation gap during the installation process, leaving a potential oil leakage channel. In addition, due to the limited elasticity of the sealing ring, the sealing effect may gradually decrease under long-term use or under the influence of factors such as vibration.

[0005] To this end, we propose a bearing with good sealing performance, which can seal the installation gap, thereby improving the sealing effect of the bearing. Utility Model Content

[0006] The utility model aims to provide a bearing with good sealing performance. The device can seal the installation gap, thereby improving the sealing effect of the bearing.

[0007] The technical solutions adopted in this utility are as follows:

[0008] A bearing with good sealing performance, comprising a bearing housing and a sealing ring, wherein a cavity for bearing support is provided inside the bearing housing, a mounting groove and a through groove for supporting the sealing ring are provided on both sides of the bearing housing, the mounting groove is communicated with the through groove, a plurality of arc grooves are provided on the inner wall of the mounting groove, a plurality of slide grooves are provided on the inner wall of the cavity, a moving component is provided inside each of the slide grooves, an arc-shaped sealing block is provided on the moving component, and a first magnetic surface is provided on the arc-shaped sealing block;

[0009] The sealing ring is provided with a sealing cover located inside the through groove and an arc-shaped block inside the arc-shaped groove, and the arc-shaped block is provided with a second magnetic surface that repels the first magnetic surface.

[0010] Furthermore, the width of the through groove is the same as the width of the sealing cover.

[0011] Furthermore, the width of the arc block is greater than the length of the arc groove.

[0012] Furthermore, the mounting groove matches the sealing ring.

[0013] Furthermore, the width of the arc block matches the width of the arc groove.

[0014] Furthermore, the moving component includes a fixed shaft arranged inside the slide groove, a slider and a spring are sleeved on the fixed shaft, the springs are arranged on both sides of the slider, and one side of the slider is connected to the arc-shaped sealing block.

[0015] The technical effects achieved by this utility model are:

[0016] First, during installation, the sealing ring is inserted into the installation groove, and at the same time, the sealing ring brings the sealing cover into the through groove for sealing. At this time, there is an installation gap between the sealing cover and the through groove. This installation gap is prone to oil leakage and dust intrusion when the bearing is used. Therefore, when the sealing cover is installed, the arc block enters the arc groove and extends out, so that the second magnetic surface of the arc block repels the first magnetic surface of the arc sealing block, so that the arc sealing block moves down through the moving component and seals the installation gap. Figure 2 As shown, during the use of the bearing, lubricating oil and dust will not enter the cavity and cause damage to the bearing inside. The device can seal the installation gap, thereby improving the sealing effect of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the bearing housing of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the sealing ring of the utility model;

[0020] Figure 4 It is a cross-sectional view of the bearing housing of the utility model;

[0021] Figure 5 This utility model Figure 4 Schematic diagram of the structure of A.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. Bearing housing; 3. Sealing ring; 2. Cavity; 4. Mounting groove; 5. Through groove; 6. Arc groove; 7. Slide groove; 8. Arc sealing block; 9. Sealing cover; 10. Arc block; 11. Fixed shaft; 12. Slider; 13. Spring. DETAILED DESCRIPTION

[0024] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present invention, and does not strictly limit the scope of protection specifically requested by the present invention.

[0025] like Figure 1-5 As shown, the technical solution adopted by the utility model is specifically as follows: a bearing with good sealing performance comprises a bearing housing 1, a cavity 2 for bearing bearing is provided inside the bearing housing 1, a mounting groove 4 and a through groove 5 for bearing a sealing ring 3 are provided on both sides of the bearing housing 1, the mounting groove 4 is connected with the through groove 5, and a plurality of arc grooves 6 are provided on the inner wall of the mounting groove 4, a plurality of slide grooves 7 are provided on the inner wall of the cavity 2, a moving component is provided inside each slide groove 7, an arc sealing block 8 is provided on the moving component, and a first magnetic surface is provided on the arc sealing block 8;

[0026] The sealing ring 3 is provided with a sealing cover 9 located inside the through groove 5 and an arc block 10 located inside the arc groove 6. The arc block 10 is provided with a second magnetic surface that repels the first magnetic surface.

[0027] Its working principle is as follows: first, during installation, the sealing ring 3 is made to enter the installation groove 4, and at the same time, the sealing ring 3 brings the sealing cover 9 into the through groove 5 for sealing. At this time, there is an installation gap between the sealing cover 9 and the through groove 5. This installation gap is prone to oil leakage and dust intrusion when the bearing is used. Therefore, when the sealing cover 9 is installed, the arc block 10 enters the arc groove 6 and extends out, so that the second magnetic surface of the arc block 10 repels the first magnetic surface of the arc sealing block 8, so that the arc sealing block 8 moves down through the moving assembly and seals the installation gap. Figure 4 As shown, during the use of the bearing, lubricating oil and dust will not enter the cavity 2 to damage the bearing inside. The device can seal the installation gap, thereby improving the sealing effect of the bearing.

[0028] The through groove 5 is connected with the cavity 2. Such an arrangement can seal the cavity 2 when the sealing cover 9 enters the through groove 5, thereby improving the sealing effect.

[0029] At the same time, in order to prevent the sealing cover 9 from interfering with the bearing inside the cavity 2, the width of the through groove 5 is the same as the width of the sealing cover 9. This arrangement allows the sealing cover 9 to be exactly parallel when entering the through groove 5 and will not protrude, thereby preventing interference with the bearing.

[0030] The width of the arc block 10 is greater than the length of the arc groove 6. This arrangement enables the second magnetic surface of the arc block 10 to correspond to the first magnetic surface of the arc sealing block 8 when the arc block 10 enters the arc groove 6, thereby repelling each other.

[0031] The mounting groove 4 matches the sealing ring 3. Matching here means that the diameter and thickness are the same. The advantage of such a setting is that the sealing ring 3 can be installed without protruding, which will cause time and effort during subsequent installation.

[0032] like Figure 4 As shown, eight groups of arc-shaped sealing blocks 8 are provided. When the eight arc-shaped sealing blocks 8 are moved to seal the installation gap, the eight arc-shaped sealing blocks 8 fit together, thereby sealing the installation gap in all directions and improving the sealing effect.

[0033] The sealing ring 3 is a sealing ring 3 in the prior art, which is made of rubber and has elasticity and deformation capabilities. When the sealing ring 3 is installed in the utility model, it can also be installed by bolts. It belongs to the prior art and will not be described in detail here.

[0034] The sealing cover 9 is also made of rubber and performs the same sealing function as the sealing ring 3. The sealing cover 9 is integrated with the sealing ring 3 and can be manufactured during production, so no further details will be given here.

[0035] The arc-shaped sealing block 8 slides in contact with the inner wall of the cavity 2, and its length cannot interfere with the bearing operation inside the cavity 2. At the same time, the length of the arc-shaped block 10 extending from the arc-shaped groove 6 should be parallel to the arc-shaped sealing block 8, so as not to cause interference.

[0036] The width of the arc block 10 matches the width of the arc groove 6 , and the matching here means that the arc block 10 will not shake when entering the arc groove 6 .

[0037] The moving assembly includes a fixed shaft 11 arranged inside the slide groove 7 , a slider 12 and a spring 13 are sleeved on the fixed shaft 11 , springs 13 are arranged on both sides of the slider 12 , and one side of the slider 12 is connected to the arc-shaped sealing block 8 .

[0038] When the repulsive force is generated, the arc-shaped sealing block 8 drives the slider 12 to move the compression spring 13 on the fixed shaft 11, so that the arc-shaped sealing block 8 is displaced to seal the installation gap.

[0039] The slider 12 matches the slide groove 7, where matching means that the slider 12 can move inside the slide groove 7 without getting stuck.

[0040] The working principle of the utility model is as follows: first, during installation, the sealing ring 3 is made to enter the installation groove 4, and at the same time, the sealing ring 3 brings the sealing cover 9 into the through groove 5 for sealing. At this time, there is an installation gap between the sealing cover 9 and the through groove 5. This installation gap is prone to oil leakage and dust intrusion when the bearing is used. Therefore, when the sealing cover 9 is installed, the arc block 10 enters the arc groove 6 and extends out, so that the second magnetic surface of the arc block 10 repels the first magnetic surface of the arc sealing block 8, so that the arc sealing block 8 moves down through the moving component and seals the installation gap. Figure 2 As shown, during the use of the bearing, lubricating oil and dust will not enter the cavity 2 to damage the bearing inside. The device can seal the installation gap, thereby improving the sealing effect of the bearing.

[0041] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A bearing with good sealing performance, comprising a bearing housing (1) and a sealing ring (3), characterized in that: The bearing housing (1) has a cavity (2) for supporting the bearing, and the bearing housing (1) has mounting grooves (4) and through grooves (5) on both sides for supporting the sealing ring (3). The mounting groove (4) is connected to the through groove (5), and the mounting groove (4) has a plurality of arc grooves (6) on its inner wall. The cavity (2) has a plurality of slide grooves (7) on its inner wall. A moving component is arranged inside each of the slide grooves (7), and an arc-shaped sealing block (8) is arranged on the moving component. The arc-shaped sealing block (8) has a first magnetic surface. The sealing ring (3) is provided with a sealing cover (9) located inside the through groove (5), and an arc-shaped block (10) is provided inside the arc-shaped groove (6); and the arc-shaped block (10) is provided with a second magnetic surface that repels the first magnetic surface.

2. A bearing with good sealing performance according to claim 1, characterized in that: The width of the through groove (5) is the same as the width of the sealing cover (9).

3. A bearing with good sealing performance according to claim 1, characterized in that: The width of the arc block (10) is greater than the length of the arc groove (6).

4. A bearing with good sealing performance according to claim 1, characterized in that: The installation groove (4) matches the sealing ring (3).

5. A bearing with good sealing performance according to claim 1, characterized in that: The width of the arc block (10) matches the width of the arc groove (6).

6. A bearing with good sealing performance according to claim 1, characterized in that: The moving assembly comprises a fixed shaft (11) arranged inside the slide groove (7), a slider (12) and a spring (13) are sleeved on the fixed shaft (11), the springs (13) are arranged on both sides of the slider (12), and one side of the slider (12) is connected to the arc-shaped sealing block (8).

Images