CN211924741U - A bearing limit rear end cover - Google Patents

Abstract

The utility model discloses a bearing limit rear end cover, comprising an end cover body and a bearing outer ring fixing ring. The bearing outer ring fixing ring is arranged in the end cover body, and the front end of the bearing outer ring fixing ring and the inner wall of the end cover body Sliding connection, several buffer devices are installed on the outer surface of the bearing outer ring fixing ring, the buffer devices are fixedly connected to the inner wall of the end cover body, the number of buffer devices is four, and they are arranged in a cross shape on the outer surface of the bearing outer ring fixing ring, the utility model The first and second heat dissipation holes are used to dissipate heat from the bearing in operation, which improves the durability of the bearing and prolongs the practical life of the bearing. The first and second springs play a buffering role to buffer the radial effect of the bearing during rotation. It can prevent the bearing from jumping at high speed, reduce the friction of the bearing, and improve the stability and service life of the bearing.

Description

A bearing limit rear end cover

technical field

The utility model relates to the technical field of bearings, in particular to a bearing limit rear end cover.

Background technique

Bearings are an important component in contemporary machinery and equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. In order to prevent the dust from entering the bearing and causing the bearing to wear, a bearing end cover will be installed at the end of the bearing. Since the bearing will generate a lot of heat during the process of rotating friction, the internal temperature of the bearing will rise, which will easily deform the bearing and reduce the service life. At the same time, when the bearing is running at a high speed, the bearing will rub and run strongly due to high-speed rotation, which will affect the service life of the bearing. Therefore, the present invention provides a bearing limit rear end cover to solve the above-mentioned problems in the background art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a bearing limit rear end cover to solve the problems raised in the above-mentioned background art.

To achieve the above object, the utility model provides the following technical solutions:

A bearing limit rear end cover includes an end cover body and a bearing outer ring fixing ring, the bearing outer ring fixing ring is arranged in the end cover body, and the front end of the bearing outer ring fixing ring and the inner wall of the end cover body are slidably connected, and the bearing outer ring is slidably connected. Several buffer devices are installed on the outer surface of the ring fixing ring, the buffer devices are fixedly connected to the inner wall of the end cover body, the number of buffer devices is four, and they are arranged in a cross shape on the outer surface of the bearing outer ring fixing ring;

The buffer device includes a fixing block and a limiting device. A cavity is set in the fixing block. The left and right ends of cavity 1 are symmetrically opened with cavity 2. A limiting device is installed at the bottom of cavity 1, and a limiting plate is installed on the upper end of the limiting device. , a sliding rod is installed on the upper end of the limit plate, and the sliding rod passes through the cavity 1 and is fixedly connected to the bearing outer ring fixing ring, the outer surface of the limit device is sleeved with a spring 1, and a sliding plate is arranged in the cavity 2, and the sliding plate and the cavity 2 The inner wall is slidably connected, the second cavity is provided with the second spring, the connecting block is installed at one end of the sliding plate near the limiting device, and the connecting block passes through the second cavity, and the connecting rod is symmetrically installed at one end of the connecting block near the limiting device. One end of the connecting rod is rotatably connected with the connecting block, and the other ends of the two connecting rods are respectively rotatably connected with the limit plate and the inner bottom of the cavity;

The limiting device includes a hollow block and a solid block. A moving block is arranged in the hollow block, and the moving block is slidably connected to the inner wall of the hollow block. The lower end of the solid block passes through the upper end of the hollow block and is fixedly connected to the moving block.

As a further solution of the present invention, the left and right ends of the end cover body are symmetrically mounted with mounting blocks, and mounting holes are arranged in the mounting blocks.

As a further solution of the present invention, the upper end of the end cover body is provided with a plurality of heat dissipation holes, and the heat dissipation holes are arranged in a circle on the end cover body.

As a further solution of the present invention, the upper end of the bearing outer ring fixing ring is provided with a plurality of heat dissipation holes two, and the heat dissipation holes two are arranged in a circular shape on the bearing outer ring fixing ring.

As a further solution of the present invention, the upper end of the spring is fixedly connected to the limit plate, and the lower end of the spring is fixedly connected to the inner bottom of the cavity.

As a further solution of the present invention, two ends of the spring are fixedly connected to the sliding plate, and two ends of the spring are fixedly connected to the two inner walls of the cavity.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model dissipates heat to the working bearing through the first and second heat dissipation holes, improves the durability of the bearing in use, and prolongs the practical life of the bearing. The radial force prevents the bearing from jumping during high-speed operation, reduces the friction of the bearing, and improves the stability and service life of the bearing.

Description of drawings

FIG. 1 is a schematic structural diagram of a bearing limit rear end cover.

FIG. 2 is a schematic structural diagram of a mounting block in a bearing limit rear end cover.

FIG. 3 is a schematic structural diagram of a buffer device in a bearing limit rear end cover.

FIG. 4 is a schematic structural diagram of a limiting device in a bearing limiting rear end cover.

In the figure: 1. End cover body; 11. Heat dissipation hole one; 2. Mounting block; 21. Mounting hole; 3. Bearing outer ring fixing ring; 31. Heat dissipation hole II; 4. Buffer device; , cavity one; 43, cavity two; 5, limit plate; 51, sliding rod; 6, limit device; 61, hollow block; 62, solid block; 63, moving block; 7, spring one; 8, connecting block; 81, sliding plate; 82, spring two; 9, connecting rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIGS. 1 to 4 , in an embodiment of the present invention, a bearing limit rear end cover includes an end cover body 1 and a bearing outer ring fixing ring 3 , and the left and right ends of the end cover body 1 are symmetrically installed with mounting blocks 2 , and the mounting hole 21 is arranged in the mounting block 2, the bearing outer ring fixing ring 3 is arranged in the end cover body 1, and the front end of the bearing outer ring fixing ring 3 is slidingly connected with the inner wall of the end cover body 1, and the outer surface of the bearing outer ring fixing ring 3 is installed A number of buffer devices 4, the buffer devices 4 are fixedly connected to the inner wall of the end cover body 1, the number of the buffer devices 4 is four, and they are arranged in a cross shape on the outer surface of the bearing outer ring fixing ring 3, and the upper end of the end cover body 1 is provided with a number of heat dissipation devices The first hole is 11, and the heat dissipation hole one 11 is arranged on the end cover body 1 in a circular shape. The upper end of the bearing outer ring fixing ring 3 is provided with a number of heat dissipation holes 31, and the cooling holes 31 are arranged in a circular shape on the bearing outer ring fixing ring. 3, the buffer device 4 includes a fixing block 41 and a limiting device 6. The fixing block 41 is provided with a cavity 42, the left and right ends of the cavity 1 42 are symmetrically opened with a cavity 2 43, and a limiting device is installed in the bottom of the cavity 1 42. 6. A limit plate 5 is installed on the upper end of the limit device 6, a sliding rod 51 is installed on the upper end of the limit plate 5, and the sliding rod 51 is fixedly connected to the bearing outer ring fixing ring 3 through the cavity 1 42, and the outer surface of the limit device 6 is sleeved Spring one 7, the upper end of spring one 7 is fixedly connected to limit plate 5, the lower end of spring one 7 is fixedly connected to the inner bottom of cavity one 42, a sliding plate 81 is arranged in cavity two 43, and the sliding plate 81 is slidably connected to the inner wall of cavity two 43 , a spring two 82 is arranged in the cavity two 43, one end of the spring two 82 is fixedly connected to the sliding plate 81, one end of the spring two 82 is fixedly connected to the inner wall of the two cavity two 43, the sliding plate 81 is installed with a connecting block 8 at one end near the limit device 6, and the connecting block 8 Passing through the cavity 2 43, the connecting rod 9 is symmetrically installed at one end of the connecting block 8 near the limiting device 6, and one end of the two connecting rods 9 is rotatably connected with the connecting block 8, and the other ends of the two connecting rods 9 The inner bottom of plate 5 and cavity one 42 are rotatably connected. The limiting device 6 includes a hollow block 61 and a solid block 62. A moving block 63 is arranged in the hollow block 61, and the moving block 63 is slidably connected to the inner wall of the hollow block 61. The lower end of the solid block 62 The moving block 63 is fixedly connected through the upper end of the hollow block 61 .

The working principle of the utility model is as follows: put one end of the bearing into the bearing outer ring fixing ring 3, and dissipate heat to the working bearing through the first heat dissipation hole 11 and the second heat dissipation hole 31, which improves the durability of the bearing and prolongs the practicality of the bearing. Life, when the bearing shakes at high speed, the sliding rod 51 is forced to move, pushes the solid block 62 to move into the hollow block 61 through the limit plate 5, the spring 1 7 is compressed, and the limit plate 5 passes through the connecting rod 9 and The connecting block 8 pushes the sliding plate 81 to move in the second cavity 43 , the second spring 82 is compressed, and the first spring 7 and the second spring 82 play a buffering role.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A bearing limit rear end cover, comprising an end cover body (1) and a bearing outer ring fixing ring (3), characterized in that a bearing outer ring fixing ring (3) is arranged in the end cover body (1) , and the front end of the bearing outer ring fixing ring (3) is slidably connected to the inner wall of the end cover body (1). Several buffer devices (4) are installed on the outer surface of the bearing outer ring fixing ring (3). On the inner wall of the body (1), the number of buffer devices (4) is four, and they are arranged in a cross shape on the outer surface of the bearing outer ring fixing ring (3); The buffer device (4) comprises a fixing block (41) and a limiting device (6), a cavity 1 (42) is arranged in the fixing block (41), and cavity 2 (42) is symmetrically opened at the left and right ends of the cavity 1 (42). 43), a limit device (6) is installed at the inner bottom of the cavity one (42), a limit plate (5) is installed on the upper end of the limit device (6), and a sliding rod (51) is installed on the upper end of the limit plate (5), and slides The rod (51) passes through the first cavity (42) and is fixedly connected to the bearing outer ring fixing ring (3), the outer surface of the limiting device (6) is sleeved with a spring one (7), and the second cavity (43) is provided with a sliding plate ( 81), and the sliding plate (81) is slidably connected to the inner wall of the second cavity (43), a spring two (82) is arranged in the second cavity (43), and a connecting block is installed at one end of the sliding plate (81) near the limit device (6). (8), and the connecting block (8) passes through the second cavity (43), and the connecting block (8) near the limit device (6) is symmetrically installed at one end of the connecting rod (9), the two connecting rods (9) One end is rotatably connected with the connecting block (8), and the other ends of the two connecting rods (9) are rotatably connected with the limiting plate (5) and the inner bottom of the cavity one (42) respectively; The limiting device (6) comprises a hollow block (61) and a solid block (62), wherein a moving block (63) is arranged in the hollow block (61), and the moving block (63) and the inner wall of the hollow block (61) are slidably connected, The lower end of the solid block (62) is fixedly connected to the moving block (63) through the upper end of the hollow block (61). 2 . The bearing limit rear end cover according to claim 1 , wherein the left and right ends of the end cover body ( 1 ) are symmetrically mounted with mounting blocks ( 2 ), and the mounting blocks ( 2 ) are provided with mounting blocks ( 2 ). 3 . hole (21). 3 . The bearing limit rear end cover according to claim 1 , wherein the upper end of the end cover body ( 1 ) is provided with a plurality of cooling holes ( 11 ), and the cooling holes ( 11 ) are circular. 4 . are arranged on the end cap body (1). 4. A bearing limit rear end cover according to claim 1, characterized in that, the upper end of the bearing outer ring fixing ring (3) is provided with a plurality of cooling holes two (31), and the cooling holes two (31) Arranged in a circular shape on the bearing outer ring fixing ring (3). 5. A bearing limit rear end cover according to claim 1, characterized in that the upper end of the spring one (7) is fixedly connected to the limit plate (5), and the lower end of the spring one (7) is fixedly connected to the cavity one (42) Inner bottom. 6. A bearing limit rear end cover according to claim 1, wherein one end of the second spring (82) is fixedly connected to the sliding plate (81), and one end of the second spring (82) is fixedly connected to the second cavity (82). 43) Inner wall.

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