CN213235795U

CN213235795U - Fastening device convenient to dismantle bearing

Info

Publication number: CN213235795U
Application number: CN202021920954.1U
Authority: CN
Inventors: 王清华; 王际舟
Original assignee: Kunming Yuanshi Mechanical Equipment Manufacturing Co ltd
Current assignee: Kunming Yuanshi Mechanical Equipment Manufacturing Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-18
Anticipated expiration: 2030-09-04

Abstract

The utility model relates to the technical field of bearings, in particular to a fastening device convenient for bearing disassembly, which comprises a bearing shell, wherein the inner wall of the bearing shell is provided with a plurality of spherical grooves, steel balls are arranged in the spherical grooves, and a bearing inner shell is arranged in the bearing shell; a fixing ring is arranged on one side of the bearing outer shell, an annular groove is formed in the circumferential inner wall of the fixing ring, a plurality of fixing plates which are arranged in an annular and equidistant mode are arranged on the circumferential wall of the bearing inner shell, and one end of each fixing plate extends into the annular groove; the fixed slot relative with the fixed plate position has been seted up to the one side that solid fixed ring kept away from bearing housing, and the draw-in groove has all been seted up to the both sides of fixed slot, the utility model discloses a fixed plate, solid fixed ring, ring channel, fixed slot, recess, fixed plate, rectangular channel, spring, activity post and the cooperation between the pressing plate of setting have solved and have dismantled the bearing, change the steel ball of inside into new, because the bearing is comparatively loaded down with trivial details at the dismantlement in-process, can waste the problem of more time.

Description

Fastening device convenient to dismantle bearing

Technical Field

The utility model relates to a bearing technical field specifically is a fastener convenient to dismantle bearing.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

The current bearing can cause serious damage to steel balls after being used for a long time, the rotation precision of the bearing is influenced, therefore, the bearing needs to be disassembled, the steel balls in the bearing are replaced by new steel balls, and the bearing is complex in the disassembling process and can waste more time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fastener convenient to dismantle bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fastening device convenient for bearing disassembly comprises a bearing outer shell, wherein a plurality of spherical grooves are formed in the inner wall of the bearing outer shell, steel balls are arranged in the spherical grooves, a bearing inner shell is arranged in the bearing outer shell, and the steel balls are located between the bearing outer shell and the bearing inner shell; a fixing ring is arranged on one side of the bearing outer shell, an annular groove is formed in the circumferential inner wall of the fixing ring, a plurality of first fixing plates which are arranged in an annular and equidistant mode are arranged on the circumferential wall of the bearing inner shell, and one end of each first fixing plate extends into the annular groove; a fixing groove opposite to the first fixing plate is formed in one side, away from the bearing shell, of the fixing ring, clamping grooves are formed in two sides of the fixing groove, a slot is formed in one side, close to the bearing shell, of each clamping groove, a second fixing plate is arranged in the fixing groove, clamping plates are arranged on two sides of the second fixing plate, an inserting column is arranged on one side, close to the bearing shell, of each clamping plate, each clamping plate is located in each clamping groove, each inserting column is located in each slot, a groove is formed in one side, away from the bearing inner shell, of each fixing groove, a rectangular groove communicated with each groove is formed in each second fixing plate, a through groove is formed in one side, away from the bearing shell, of each rectangular groove, a plurality of springs are arranged in each rectangular groove, movable columns are arranged at top ends of the springs, the top ends of the movable, and the pressing plate is positioned in the through groove.

Preferably, the bearing outer shell and the fixing ring are of an integrally formed structure, the bearing inner shell and the first fixing plate are of an integrally formed structure, the steel balls are rotatably connected with the spherical grooves, and the distance between the bearing inner shell and the fixing ring is smaller than the diameter of the steel balls.

Preferably, the second fixed plate, the clamping plate and the inserting column are of an integrally formed structure, the movable column and the pressing plate are of an integrally formed structure, the bottom end of the spring is tightly welded with the bottom of the rectangular groove, and the top end of the spring is tightly welded with the movable column.

Preferably, the second fixing plate is matched with the fixing groove in a clamping mode, the clamping plate is matched with the clamping groove in a clamping mode, and the inserting column is matched with the inserting groove in an inserting mode.

Preferably, the movable column is in inserting fit with the groove, the movable column is in sliding connection with the rectangular groove, and the pressing plate is in sliding connection with the through groove.

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

this fastener convenient to dismantle bearing is through the fixed plate that sets up, gu fixed ring, the ring channel, the fixed slot, a groove, the fixed plate, the rectangular channel, a spring, activity post and press the clamp plate, when needing to take off the steel ball of damage in the bearing, can push down the press plate, make activity post extrusion spring shrink, and simultaneously, the top of activity post moves into the rectangular channel from the recess, afterwards, can detain the fixed plate in the fixed slot, let the position of fixed plate and fixed slot align again, take out the bearing inner shell from the bearing shell with the hand again, at this moment, can take off the steel ball of damage in the bearing, guarantee that the bearing is dismantling the in-process, more quick succinct, avoid more time waste.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall explosion structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the fixing ring of the present invention;

fig. 4 is a detailed structural schematic diagram of the inner part of the fixing plate of the present invention;

fig. 5 is a schematic cross-sectional view of the middle fixing plate of the present invention.

The various reference numbers in the figures mean:

a bearing housing 1; a spherical groove 11;

steel balls 2;

a bearing inner housing 3; a first fixing plate 31;

a fixed ring 4; an annular groove 41; a fixing groove 42; a card slot 43; a slot 44; a groove 45;

a second fixing plate 5; a rectangular groove 51; a through groove 52;

a clamping plate 6; the insert post 61;

a spring 7;

a movable post 8;

pressing the plate 9.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

a fastening device convenient for bearing disassembly comprises a bearing outer shell 1, wherein a plurality of spherical grooves 11 are formed in the inner wall of the bearing outer shell 1, steel balls 2 are arranged in the spherical grooves 11, a bearing inner shell 3 is arranged in the bearing outer shell 1, and the steel balls 2 are positioned between the bearing outer shell 1 and the bearing inner shell 3; a fixing ring 4 is arranged on one side of the bearing outer shell 1, an annular groove 41 is formed in the circumferential inner wall of the fixing ring 4, a plurality of first fixing plates 31 which are arranged in an annular and equidistant mode are arranged on the circumferential wall of the bearing inner shell 3, and one end of each first fixing plate 31 extends into the annular groove 41; a fixing groove 42 opposite to the first fixing plate 31 is arranged on one side of the fixing ring 4 far away from the bearing housing 1, clamping grooves 43 are arranged on two sides of the fixing groove 42, a slot 44 is arranged on one side of the clamping groove 43 close to the bearing housing 1, a second fixing plate 5 is arranged in the fixing groove 42, clamping plates 6 are arranged on two sides of the second fixing plate 5, an inserting column 61 is arranged on one side of the clamping plate 6 close to the bearing housing 1, the clamping plate 6 is positioned in the clamping groove 43, the inserting column 61 is positioned in the slot 44, a groove 45 is arranged on one side of the fixing groove 42 far away from the bearing inner housing 3, a rectangular groove 51 communicated with the groove 45 is arranged in the second fixing plate 5, a through groove 52 is arranged on one side of the rectangular groove 51 far away from the bearing housing 1, a plurality of springs 7 are arranged in the rectangular groove 51, a movable column 8 is arranged at the top end of the plurality of springs, and the pressing plate 9 is positioned in the through groove 52.

Specifically, bearing shell 1 is the integrated into one piece structure with solid fixed ring 4, and bearing inner shell 3 is the integrated into one piece structure with first fixed plate 31, guarantees the stability of structure, and steel ball 2 rotates with spherical groove 11 to be connected, makes steel ball 2 can be normal rotation in spherical groove 11, and the distance between bearing inner shell 3 and the solid fixed ring 4 is less than steel ball 2 diameter, avoids steel ball 2 to break away from in the bearing.

Further, second fixed plate 5 and cardboard 6 and insert post 61 are integrated into one piece structure, and activity post 8 is integrated into one piece structure with pressing the clamp plate 9, and the bottom of spring 7 and rectangular channel 51 are closely welded, and the top of spring 7 and activity post 8 are closely welded, guarantee overall structure's stability.

Specifically, the second fixing plate 5 is in clamping fit with the fixing groove 42, the clamping plate 6 is in clamping fit with the clamping groove 43, the inserting column 61 is in inserting fit with the inserting groove 44, and when the inserting column 61 is inserted into the inserting groove 44 and the clamping plate 6 is clamped into the clamping groove 43, the second fixing plate 5 can be ensured not to shake in the fixing groove 42; when the second fixing plate 5 needs to be taken out of the fixing groove 42, the second fixing plate 5 can be manually pulled out of the fixing groove 42.

Furthermore, the movable column 8 is in inserting fit with the groove 45, when the upper end of the movable column 8 is inserted into the groove 45, the second fixing plate 5 can be fixed in the fixing groove 42, and the first fixing plate 31 is prevented from moving out through the fixing groove 42, so that the structural stability of the whole device is ensured, and the whole device can normally work; the movable column 8 is slidably connected with the rectangular groove 51, so that the movable column 8 can move up and down in the rectangular groove 51, the upper end of the movable column 8 can be inserted into the groove 45, or the upper end of the movable column 8 can move into the rectangular groove 51 from the groove 45, and the pressing plate 9 is slidably connected with the through groove 52, so that the pressing plate 9 can move up and down in the through groove 52.

It should be noted that, when one end of the movable column 8 contacts with one end of the groove 45 far away from the bearing inner housing 3, the pressing plate 9 and one end of the through groove 52 far away from the bearing inner housing 3 have a certain distance, so as to ensure that a finger can press on the top of the pressing plate 9, and ensure the stability of the whole structure.

It should be noted that, when the pressing plate 9 contacts with the end of the through groove 52 close to the bearing inner housing 3, the whole movable column 8 is located in the rectangular groove 51, so as to ensure that the bearing inner housing 3 can be taken out from the bearing outer housing 1, and the steel ball 2 can be replaced.

When the fastening device convenient for dismounting the bearing is used, the pressing plate 9 is pressed by hand, the pressing plate 9 moves towards the bearing inner shell 3 in the through groove 52, the pressing plate 9 drives one end of the movable column 8 to extrude the springs 7 in the rectangular groove 51 until the other end of the movable column 8 moves into the rectangular groove 51 from the groove 45, one side of the second fixing plate 5 close to the bearing inner shell 3 is pressed by hand, the second fixing plate 5 moves towards the direction far away from the bearing outer shell 1, the second fixing plate 5 moves out of the fixing groove 42, the clamping plate 6 moves out of the clamping groove 43, the inserting column 61 moves out of the inserting groove 44, then the bearing inner shell 3 is rotated, the first fixing plates 31 move in the annular groove 41 until the positions of the first fixing plates 31 and the fixing grooves 42 are aligned, the bearing inner shell 3 is pinched by hand, the bearing inner shell 3 is moved out of the bearing inner shell 1, the first fixing plate 31 is moved out to the outside through the fixing groove 42, and when the bearing inner housing 3 is completely moved out of the bearing outer housing 1, a new steel ball 2 may be replaced.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A fastening device for facilitating the disassembly of a bearing, comprising a bearing housing (1), characterized in that: the inner wall of the bearing outer shell (1) is provided with a plurality of spherical grooves (11), steel balls (2) are arranged in the spherical grooves (11), a bearing inner shell (3) is arranged in the bearing outer shell (1), and the plurality of steel balls (2) are positioned between the bearing outer shell (1) and the bearing inner shell (3); a fixing ring (4) is arranged on one side of the bearing outer shell (1), an annular groove (41) is formed in the circumferential inner wall of the fixing ring (4), a plurality of first fixing plates (31) which are arranged in an annular and equidistant mode are arranged on the circumferential wall of the bearing inner shell (3), and one end of each first fixing plate (31) extends into the annular groove (41); a fixing groove (42) opposite to the first fixing plate (31) is formed in one side, away from the bearing shell (1), of the fixing ring (4), clamping grooves (43) are formed in two sides of the fixing groove (42), a slot (44) is formed in one side, close to the bearing shell (1), of each clamping groove (43), a second fixing plate (5) is arranged in the fixing groove (42), clamping plates (6) are arranged on two sides of the second fixing plate (5), inserting columns (61) are arranged on one sides, close to the bearing shell (1), of the clamping plates (6), the clamping plates (6) are located in the clamping grooves (43), the inserting columns (61) are located in the slots (44), grooves (45) are formed in one side, away from the bearing inner shell (3), of the fixing groove (42), rectangular grooves (51) communicated with the grooves (45) are formed in the second fixing plate (5), and through grooves (52) are formed in one sides, away from the bearing shell (1), of the rectangular grooves, the spring pressing device is characterized in that a plurality of springs (7) are arranged in the rectangular groove (51), a plurality of movable columns (8) are arranged at the top ends of the springs (7), the top ends of the movable columns (8) penetrate through the rectangular groove (51) and extend into the grooves (45), a pressing plate (9) is arranged on one side of each movable column (8), and the pressing plate (9) is located in the through groove (52).

2. The fastening device for facilitating the removal of a bearing according to claim 1, wherein: bearing shell (1) and solid fixed ring (4) are the integrated into one piece structure, bearing inner shell (3) and first fixed plate (31) are the integrated into one piece structure, steel ball (2) rotate with spherical groove (11) and are connected, the distance between bearing inner shell (3) and solid fixed ring (4) is less than steel ball (2) diameter.

3. The fastening device for facilitating the removal of a bearing according to claim 1, wherein: the second fixing plate (5) and the clamping plate (6) as well as the inserting column (61) are of an integrally formed structure, the movable column (8) and the pressing plate (9) are of an integrally formed structure, the bottom end of the spring (7) is tightly welded with the bottom of the rectangular groove (51), and the top end of the spring (7) is tightly welded with the movable column (8).

4. The fastening device for facilitating the removal of a bearing according to claim 1, wherein: the second fixing plate (5) is matched with the fixing groove (42) in a clamping mode, the clamping plate (6) is matched with the clamping groove (43) in a clamping mode, and the inserting column (61) is matched with the inserting groove (44) in an inserting mode.

5. The fastening device for facilitating the removal of a bearing according to claim 1, wherein: the movable column (8) is in plug-in fit with the groove (45), the movable column (8) is in sliding connection with the rectangular groove (51), and the pressing plate (9) is in sliding connection with the through groove (52).