Marine bearing

Abstract

The utility model relates to the technical field of bearings, in particular to a marine bearing which comprises an outer ring, an inner ring, balls, a retainer, a sealing ring and a fixing structure, annular ball grooves are formed in the inner walls of the outer ring and the inner ring, and a plurality of balls are arranged in the ball grooves of the outer ring and the inner ring. Retainers are arranged on the left sides and the right sides of the balls, sealing rings are arranged on the left side and the right side of the outer ring, a first sealing lip and a second sealing lip are arranged at the ends, close to the inner side, of the sealing rings, sliding grooves are formed in the front end and the rear end of the outer wall of the inner ring, and the sliding grooves of the inner ring are connected with the first sealing lip and the second sealing lip in a sliding mode; the fixing structure comprises a fixing ring, an inserting ring is arranged on the outer wall of the fixing ring, and the fixing ring is fixedly connected to the outer wall of the outer ring through six fixing bolts. The sealing ring is provided with the fixing structure, so that the sealing ring can be conveniently mounted and dismounted, the sealing ring can be conveniently replaced when aged, the operation efficiency is improved, and the sealing ring is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing technical field, concretely relates to a marine bearing. BACKGROUND

[0002] At present, in the field of marine accessories, the bearing for supporting between the rotating shaft and the shaft sleeve is also called bearing, and there are many factors affecting the service life of the bearing. In addition to the normal use affecting the service life of the bearing, the sealing property of the bearing is also a factor affecting the service life of the bearing, especially for the bearing in a relatively harsh environment, the sealing property of the bearing is often the most important factor affecting the service life of the bearing.

[0003] But the existing bearing is generally poor in sealing property, the mounting structure of the sealing ring is unstable, and the existing sealing ring structure is not convenient to disassemble after being installed into the bearing, needs to be replaced when the sealing ring is aged or worn, the existing sealing ring structure causes the difficulty in replacing the sealing element, and causes inconvenience in use, therefore, a marine bearing is urgently needed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to overcome the above technical problems, the purpose of the utility model is to provide a marine bearing, so as to solve the problems of the existing bearing being generally poor in sealing property, the mounting structure of the sealing ring being unstable, the existing sealing ring structure being not convenient to disassemble after being installed into the bearing, the existing sealing ring structure causing the difficulty in replacing the sealing element, and the inconvenience in use.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a marine bearing, comprising an outer ring, an inner ring, a ball, a retainer, a sealing ring and a fixing structure, the inner wall of the outer ring and the inner ring is provided with an annular ball groove, a plurality of balls are arranged in the ball groove of the outer ring and the inner ring, a retainer is arranged on the left and right sides of the plurality of balls, a sealing ring is arranged on the left and right sides of the outer ring, a sealing lip one and a sealing lip two are arranged on the end of the sealing ring close to the inner side, a sliding groove is arranged on the outer wall of the inner ring at the front and rear ends, the sealing lip one and the sealing lip two are connected to the sliding groove of the inner ring in a sliding mode, and the fixing structure comprises a fixing ring, the outer wall of the fixing ring is provided with a ring, and the fixing ring is fixedly connected to the outer wall of the outer ring through six fixing bolts.

[0006] Preferably, the outer ring, the inner ring, the ball, the retainer, the fixing ring and the ring are all made of stainless steel.

[0007] Preferably, the sealing ring, the sealing lip one and the sealing lip two are all made of rubber.

[0008] Preferably, the sealing lip one, the sealing lip two and the sealing ring are combined in a Y shape, the sealing lip one and the sealing lip two are provided with a sealing gap, and the sealing gap is filled with lubricating oil.

[0009] Preferably, the insertion ring is clamped at the gap between the sealing ring and the outer ring.

[0010] Preferably, the outer wall of the fixing ring is provided with a sealing ring one and a sealing ring two.

[0011] Preferably, the nut of the fixing bolt clamps a cover plate, the cover plate clamps the fixing ring, and the cover plate is made of rubber.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The marine bearing is provided with a sealing ring, a sealing ring one and a sealing ring two, when the sealing ring needs to be installed, a certain amount of lubricating oil is injected into the sealing gap and the sliding groove of the inner ring, the sealing lip one and the sealing lip two are clamped into the sliding groove of the inner ring by the elasticity of rubber, water is prevented from entering the gap between the fixing ring and the insertion ring and the sealing ring by the sealing ring one and the sealing ring two, the sealing property between the outer ring and the inner ring is improved by the sealing ring, the sealing ring one and the sealing ring two, water seepage in the bearing is prevented in humid weather, and rust in the bearing is prevented.

[0014] 2. The marine bearing is provided with a fixing structure, the fixing ring is covered on the sealing ring, the insertion ring is clamped into the gap between the sealing ring and the outer ring, thereby fixing the position of the sealing ring, the fixing ring can be fixed by screwing the fixing bolt, the fixing bolt can be sealed by the cover plate, rust of the fixing bolt caused by damp is prevented, water is prevented from entering the gap between the fixing ring and the insertion ring and the sealing ring by the sealing ring one and the sealing ring two, the sealing ring is convenient to install and disassemble by the fixing structure, the sealing ring is convenient to replace when aging, the operation efficiency is improved, and the marine bearing is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front perspective view of the utility model;

[0016] Figure 2 It is an explosion structure schematic view of the utility model;

[0017] Figure 3 It is a side sectional view of the utility model;

[0018] Figure 4 It is a side sectional view of the utility model;

[0019] Figure 5 It is an explosion structure schematic view of the fixing structure of the utility model.

[0020] In the figure: 1. Outer ring; 2. Inner ring; 3. Ball; 4. Cage; 5. Sealing ring; 51. Sealing lip 1; 52. Sealing lip 2; 53. Sealing gap; 6. Fixing structure; 61. Fixing ring; 62. Insert ring; 63. Sealing ring 1; 64. Sealing ring 2; 65. Fixing bolt; 66. Cover plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-5 The utility model provides an embodiment: a marine bearing, including an outer ring 1, an inner ring 2, balls 3, a retainer 4, a sealing ring 5 and a fixing structure 6. The inner walls of the outer ring 1 and the inner ring 2 are both provided with annular ball grooves, and a plurality of balls 3 are arranged in the ball grooves of the outer ring 1 and the inner ring 2. Retainers 4 are provided on the left and right sides of the plurality of balls 3. Sealing rings 5 ​​are provided on the left and right sides of the outer ring 1. The end of the sealing ring 5 close to the inner side is provided with a sealing lip 1 51 and a sealing lip 2 52. The outer wall of the inner ring 2 is provided with a sliding groove at both ends. The sliding groove of the inner ring 2 is slidably connected to the sealing lip 1 51 and the sealing lip 2 52. The fixing structure 6 includes a fixing ring 61, and the outer wall of the fixing ring 61 is provided with an insert ring 62. The fixing ring 61 is fixedly connected to the outer wall of the outer ring 1 by six fixing bolts 65.

[0023] Furthermore, the outer ring 1 , the inner ring 2 , the balls 3 , the retaining frame 4 , the fixing ring 61 and the insert ring 62 are all made of stainless steel.

[0024] Furthermore, the sealing ring 5 , the sealing lip 1 51 , and the sealing lip 2 52 are all made of rubber.

[0025] Furthermore, the sealing lip 1 51, the sealing lip 2 52 and the sealing ring 5 are combined into a Y shape, and the sealing lip 1 51 and the sealing lip 2 52 are provided with a sealing gap 53, and the sealing gap 53 is filled with lubricating oil. A certain amount of lubricating oil is injected into the sealing gap 53 and the slide groove of the inner ring 2, and the sealing lip 1 51 and the sealing lip 2 52 are clamped into the slide groove of the inner ring 2 by utilizing the elasticity of the rubber.

[0026] Furthermore, the insert ring 62 is clamped in the gap between the sealing ring 5 and the outer ring 1 , and the insert ring 62 is clamped in the gap between the sealing ring 5 and the outer ring 1 , thereby fixing the position of the sealing ring 5 .

[0027] Further, the outer wall of the fixed ring 61 is provided with a sealing ring one 63 and a sealing ring two 64, which prevent water from entering the gap between the fixed ring 61 and the sealing ring 5.

[0028] Further, the nut of the fixed bolt 65 is clamped to the cover plate 66, the cover plate 66 is clamped to the fixed ring 61, the cover plate 66 is made of rubber, and the cover plate 66 can be covered on the fixed bolt 65 to seal the fixed bolt 65, preventing the fixed bolt 65 from rusting due to moisture.

[0029] Working principle:

[0030] In use, when the sealing ring 5 needs to be installed, a certain amount of lubricating oil is injected into the sealing gap 53 and the sliding groove of the inner ring 2, the sealing lip one 51 and the sealing lip two 52 are clamped into the sliding groove of the inner ring 2 by the elasticity of rubber, the fixed ring 61 is covered on the sealing ring 5, the insertion ring 62 is clamped into the gap between the sealing ring 5 and the outer ring 1, thereby fixing the position of the sealing ring 5, the fixed bolt 65 is screwed to fix the fixed ring 61, the cover plate 66 is covered, the cover plate 66 can be covered on the fixed bolt 65 to seal the fixed bolt 65, preventing the fixed bolt 65 from rusting due to moisture, the sealing ring one 63 and the sealing ring two 64 prevent water from entering the gap between the fixed ring 61 and the insertion ring 62 and the sealing ring 5, the fixed structure 6 facilitates the installation and disassembly of the sealing ring 5, facilitates the replacement of the sealing ring 5 when it is aging, improves the operation efficiency, is convenient to use, the sealing ring 5, the sealing ring one 63 and the sealing ring two 64 improve the sealing between the outer ring 1 and the inner ring 2, prevent water from entering the bearing in humid weather, and prevent the bearing from rusting.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A marine bearing comprising an outer ring (1), an inner ring (2), balls (3), a cage (4), a seal ring (5) and a fixing structure (6), characterized in that: The inner wall of the outer ring (1) and the inner ring (2) is provided with an annular ball groove, a plurality of balls (3) are arranged in the ball groove of the outer ring (1) and the inner ring (2), a retainer (4) is arranged on the left and right sides of the plurality of balls (3), a sealing ring (5) is arranged on the left and right sides of the outer ring (1), one end of the sealing ring (5) close to the inner side is provided with a sealing lip one (51) and a sealing lip two (52), the outer wall of the inner ring (2) is provided with a sliding groove at the front and rear ends, the sealing lip one (51) and the sealing lip two (52) are connected to the sliding groove of the inner ring (2) in a sliding manner, the fixing structure (6) comprises a fixing ring (61), the outer wall of the fixing ring (61) is provided with an insertion ring (62), and the fixing ring (61) is fixedly connected to the outer wall of the outer ring (1) through six fixing bolts (65).

2. A marine bearing according to claim 1, characterised in that: The outer ring (1), the inner ring (2), the ball (3), the retainer (4), the fixing ring (61) and the insertion ring (62) are all made of stainless steel.

3. A marine bearing according to claim 1, wherein: The sealing ring (5), the sealing lip one (51) and the sealing lip two (52) are all made of rubber.

4. A marine bearing according to claim 1, wherein: The sealing lip one (51), the sealing lip two (52) and the sealing ring (5) are combined in a Y shape, the sealing lip one (51) and the sealing lip two (52) are provided with a sealing gap (53), and the sealing gap (53) is filled with lubricating oil.

5. A marine bearing according to claim 1, wherein: The insertion ring (62) is clamped between the sealing ring (5) and the outer ring (1).

6. A marine bearing according to claim 1, wherein: The outer wall of the fixing ring (61) is provided with a sealing ring one (63) and a sealing ring two (64).

7. A marine bearing according to claim 1, wherein: The nut of the fixing bolt (65) is clamped with a cover plate (66), the cover plate (66) is clamped with the fixing ring (61), and the cover plate (66) is made of rubber.

Images