CN213332040U

CN213332040U - Many specifications dust proof bearing

Info

Publication number: CN213332040U
Application number: CN202021443547.6U
Authority: CN
Inventors: 张友详
Original assignee: Suzhou Xungu Precision Industry Co ltd
Current assignee: Suzhou Xungu Precision Industry Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-06-01
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a many specifications dust proof bearing relates to bearing technical field, including the bearing inner race, the outside fixedly connected with fixed plate of bearing inner race, the spacing groove has been seted up to the inside of bearing inner race, and the activity groove has been seted up at the middle part of spacing groove, and the draw-in groove has been seted up in the outside of activity groove, and the internal connection of draw-in groove has the limiting plate, and the middle part of limiting plate is provided with the ball, and the inside of spacing groove is provided with the inner tube, and the spout has been seted up at the middle part of inner tube, the equal fixedly connected with dust. This many specifications dust proof bearing can prevent through the spacing groove that the inner tube from rocking from top to bottom, can prevent through the limiting plate that the ball from scattering to can improve the reliability of bearing, can prevent through the dust cover that the dust from adhering to in the inner tube outside, can fix bearing inner race and inner tube through bolt and nut, and can reduce the change degree of difficulty of inner tube, thereby can improve the change speed of inner tube.

Description

Many specifications dust proof bearing

Technical Field

The utility model relates to a bearing technical field specifically is a many specifications dust proof bearing.

Background

The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision.

The bearings can be classified into rolling bearings and sliding bearings according to the frictional properties of the moving elements. Rolling bearings have been standardized and serialized, but have a larger radial size, vibration and noise, and a higher price than sliding bearings.

However, the analysis shows that the existing multi-specification dustproof bearing has the following defects: when the dustproof bearing is used, the inner cylinder shakes up and down, and when the size of the inner cylinder needs to be changed, the operation is complex, so that the change time of the inner cylinder is reduced, and therefore, the dustproof bearing with multiple specifications is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a many specifications dust proof bearing has solved the current many specifications dust proof bearing's that proposes problem in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a many specifications dust bearing, includes the bearing inner race, the outside fixedly connected with fixed plate of bearing inner race, the spacing groove has been seted up to the inside of bearing inner race, the activity groove has been seted up at the middle part of spacing groove, the draw-in groove has been seted up in the outside of activity groove, the internal connection of draw-in groove has the limiting plate, the middle part of limiting plate is provided with the ball, the inside of spacing groove is provided with the inner tube, the spout has been seted up at the middle part of inner tube, the equal fixedly connected with dust cover in both ends of bearing inner race, the middle part.

Furthermore, a through hole is formed in the middle of the fixing plate, and a bolt is movably connected inside the through hole;

the outer side of the bolt is in threaded connection with a nut;

the bearing inner barrel is provided with two bearing outer rings, and the two bearing outer rings are symmetrical about the symmetry axis of the inner barrel.

Furthermore, the inner part of the movable groove is movably connected with the outer side of the ball;

the inner part of the limiting groove is movably connected with the outer side of the inner barrel.

Furthermore, the outer side of the ball is movably connected with the inner part of the sliding groove;

the outer side of the rotating shaft is detachably and fixedly connected with the inner part of the inner cylinder.

Furthermore, the outer side of the rotating shaft is movably connected with the middle part of the dust cover;

one end of the bearing outer ring is detachably and fixedly connected with the outer side of the dust cover.

Furthermore, the number of the balls is multiple, and the balls are distributed in a circumferential array;

the middle part of the limiting plate is movably connected with the outer side of the ball.

(III) advantageous effects

The utility model provides a many specifications dust proof bearing possesses following beneficial effect:

1. this many specifications dust proof bearing can prevent through the spacing groove that the inner tube from rocking from top to bottom, can prevent through the limiting plate that the ball from scattering to can improve the reliability of bearing.

2. This many specifications dust proof bearing can prevent through the dust cover that the dust from adhering to in the inner tube outside, can fix bearing inner race and inner tube through bolt and nut to can reduce the change degree of difficulty of inner tube, thereby can improve the change speed of inner tube.

Drawings

Fig. 1 is a schematic structural diagram of a multi-specification dustproof bearing in a top view;

FIG. 2 is a schematic structural view of a front view cross-section of the multi-specification dustproof bearing of the present invention;

FIG. 3 is a schematic structural diagram of the inner tube structure of the multi-specification dustproof bearing according to the present invention;

fig. 4 is the utility model discloses many specifications dust proof bearing's limiting plate structure overlook the schematic diagram.

In the figure: 1. a bearing outer race; 2. a fixing plate; 3. a limiting groove; 4. a movable groove; 5. a card slot; 6. a limiting plate; 7. a ball bearing; 8. an inner barrel; 9. a chute; 10. a dust cover; 11. a rotating shaft; 12. a bolt; 13. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a multi-specification dustproof bearing comprises a bearing outer ring 1, a fixing plate 2 is fixedly connected to the outer side of the bearing outer ring 1, a through hole is formed in the middle of the fixing plate 2, a bolt 12 is movably connected to the inside of the through hole, a nut 13 is connected to the outer side of the bolt 12 in a threaded manner, two bearing outer rings 1 are arranged on the bearing outer ring 1, the two bearing outer rings 1 are symmetrical about the symmetry axis of an inner barrel 8, the bearing outer ring 1 and the inner barrel 8 can be fixed through the bolt 12 and the nut 13, the replacement difficulty of the inner barrel 8 can be reduced, the replacement speed of the inner barrel 8 can be improved, a limiting groove 3 is formed in the bearing outer ring 1, the inner barrel 8 can be prevented from shaking up and down through the limiting groove 3, a movable groove 4 is formed in the middle of the limiting groove 3, a clamping groove 5 is formed in the outer side, the plurality of balls 7 are distributed in a circumferential array, the middle part of the limiting plate 6 is movably connected with the outer sides of the balls 7, the inner part of the movable groove 4 is movably connected with the outer sides of the balls 7, the balls 7 can be prevented from scattering through the limiting plate 6, thereby improving the reliability of the bearing, the inner barrel 8 is arranged in the limiting groove 3, the inner part of the limiting groove 3 is movably connected with the outer side of the inner barrel 8, the outer side of the rotating shaft 11 is detachably and fixedly connected with the inner part of the inner barrel 8, the middle part of the inner barrel 8 is provided with a sliding groove 9, the outer side of the ball 7 is movably connected with the inner part of the sliding groove 9, both ends of the bearing outer ring 1 are fixedly connected with the dustproof cover 10, the outer side of the rotating shaft 11 is movably connected with the middle part of the dustproof cover 10, one end of the bearing outer ring 1 is detachably and fixedly, dust can be prevented from adhering to the outside of the inner cylinder 8 by the dust cover 10, and the rotation shaft 11 is provided in the middle of the inner cylinder 8.

The theory of operation, this many specifications dust proof bearing, during the use, can prevent through spacing groove 3 that inner tube 8 from rocking from top to bottom, can prevent through limiting plate 6 that ball 7 from scattering to can improve the reliability of bearing, can prevent through dust cover 10 that the dust is attached to the inner tube 8 outside, can be fixed bearing inner race 1 and inner tube 8 through bolt 12 and nut 13, and can reduce the change degree of difficulty of inner tube 8, thereby can improve the change speed of inner tube 8.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a many specifications dust proof bearing, includes bearing inner race (1), its characterized in that: the outer side fixedly connected with fixed plate (2) of bearing inner race (1), spacing groove (3) have been seted up to the inside of bearing inner race (1), activity groove (4) have been seted up at the middle part of spacing groove (3), draw-in groove (5) have been seted up in the outside of activity groove (4), the internal connection of draw-in groove (5) has limiting plate (6), the middle part of limiting plate (6) is provided with ball (7), the inside of spacing groove (3) is provided with inner tube (8), spout (9) have been seted up at the middle part of inner tube (8), the equal fixedly connected with dust cover (10) in both ends of bearing inner race (1), the middle part of inner tube (8) is provided with axis of rotation (11).

2. A multi-specification dust bearing as claimed in claim 1, wherein:

a through hole is formed in the middle of the fixing plate (2), and a bolt (12) is movably connected inside the through hole;

the outer side of the bolt (12) is in threaded connection with a nut (13);

the bearing outer ring (1) is provided with two, and the two bearing outer rings (1) are symmetrical about the symmetry axis of the inner cylinder (8).

3. A multi-specification dust bearing as claimed in claim 1, wherein:

the inner part of the movable groove (4) is movably connected with the outer side of the ball (7);

the inner part of the limiting groove (3) is movably connected with the outer side of the inner cylinder (8).

4. A multi-specification dust bearing as claimed in claim 1, wherein:

the outer side of the ball (7) is movably connected with the inside of the sliding groove (9);

the outer side of the rotating shaft (11) is detachably and fixedly connected with the inner part of the inner cylinder (8).

5. A multi-specification dust bearing as claimed in claim 1, wherein:

the outer side of the rotating shaft (11) is movably connected with the middle part of the dust cover (10);

one end of the bearing outer ring (1) is detachably and fixedly connected with the outer side of the dust cover (10).

6. A multi-specification dust bearing as claimed in claim 1, wherein:

the number of the balls (7) is multiple, and the balls (7) are distributed in a circumferential array;

the middle part of the limiting plate (6) is movably connected with the outer side of the ball (7).