CN-224214588-U - Bearing supporting structure

CN224214588UCN 224214588 UCN224214588 UCN 224214588UCN-224214588-U

Abstract

The utility model discloses a bearing supporting structure which comprises a rotating shaft, a first bearing sleeve, a second bearing sleeve and a mounting seat, wherein a first bearing is arranged at a preset position of the rotating shaft, the first bearing is provided with a first side part and a second side part, one side of the first bearing sleeve is provided with a first mounting groove, one side of the second bearing sleeve is provided with a second mounting groove, the bearing supporting structure is provided with a shaft hole penetrating through the first bearing sleeve and the second bearing sleeve, the rotating shaft is arranged in the shaft hole, the first bearing sleeve and the second bearing sleeve are respectively positioned at two sides of the first bearing, the first side part of the first bearing is arranged in the first mounting groove, and the second side part of the first bearing is arranged in the second mounting groove. At least a portion of the second bearing sleeve of the bearing support structure extends into the second section groove of the first bearing sleeve, and at least a portion of the first bearing sleeve and the first bearing sleeve are arranged in a laminated manner in the radial direction, so that the structural strength can be improved, and the structural strength in the radial direction can be improved.

Inventors

HUANG WANRU
Zhang Bennan
HUANG JINDUO
HUANG JINKAI

Assignees

准提(上海)机械有限公司

Dates

Publication Date: 20260508
Application Date: 20250613

Claims (9)

1. A bearing support structure, comprising: A rotating shaft, a first bearing is installed at a preset position of the rotating shaft, and the first bearing is provided with a first side part and a second side part along the axial direction of the rotating shaft; The first bearing sleeve is provided with a first mounting groove at one side; a second bearing sleeve, one side of which is provided with a second mounting groove; the bearing support structure is provided with a shaft hole penetrating through the first bearing sleeve and the second bearing sleeve, the rotating shaft is installed in the shaft hole, the first bearing sleeve and the second bearing sleeve are respectively positioned at two sides of the first bearing, the first side part of the first bearing is installed in the first installation groove, and the second side part of the first bearing is installed in the second installation groove; The first mounting groove is provided with a first section groove close to the bottom and a second section groove close to the opening position, the diameter of the second section groove is larger than that of the first section groove, the diameter of the first section groove is matched with that of the first side part, the first side part is mounted in the first section groove, a gap is formed between the side wall of the second section groove and the first bearing, and the side wall of the second mounting groove of the second bearing sleeve is mounted in the gap; The mounting seat is provided with a mounting end and a supporting end, the mounting seat is also provided with a mounting hole penetrating through the mounting end and the supporting end, the mounting end is suitable for being fixed on application equipment, and the first bearing sleeve is mounted on the supporting end; The second bearing sleeve is provided with a first limiting convex ring and a second limiting convex ring, the first limiting convex ring axially extends in a direction away from the second mounting groove, the second limiting convex ring radially extends from the middle area of the second bearing sleeve, the first limiting convex ring is mounted in the mounting hole, and the second limiting convex ring is located between the first bearing sleeve and the mounting seat.
2. The bearing support structure of claim 1, wherein the circumferential side of the first bearing housing has a plurality of first fixing holes, and the support end of the mount has a plurality of second fixing holes corresponding to the plurality of first fixing holes; The bearing supporting structure further comprises a plurality of fixing pieces, wherein the fixing pieces are arranged in the first fixing holes and the second fixing holes and are used for fixedly connecting the first bearing sleeve with the mounting seat.
3. The bearing support structure of claim 2, wherein the shaft has a drive end with engagement teeth adapted to connect with a drive source and a rotating end with a plurality of fixing projections having notches therebetween, the notches being positioned to correspond to the first and second fixing holes, the fixing projections having fixing portions at ends thereof adapted to mount a roller.
4. The bearing support structure of claim 1, wherein the outer side surface of the first bearing is a surface with a middle high and two ends low, the surface of the first side portion and the surface of the second side portion of the first bearing are both arc surfaces, the inner surface of the first section groove is an arc surface matched with the surface of the first side portion, and the inner surface of the second mounting groove is an arc surface matched with the surface of the second side portion.
5. The bearing support structure of claim 2, wherein the first bearing housing includes a base plate and a fixing plate axially extending a predetermined length from an edge of the base plate, the first mounting groove is formed in the base plate, the first fixing hole is formed in the fixing plate, the fixing plate is located at one side of the mount in a radial direction, and the second fixing hole is located at a side of the mount.
6. The bearing support structure of claim 2, wherein the first bearing housing comprises a base plate, a fixed plate extending axially from an edge of the base plate a predetermined length, a first mounting plate extending radially outwardly from an end of the fixed plate remote from the base plate, the first mounting plate having first mounting holes therein; The mounting end of the mounting seat is provided with a second mounting plate extending along the radial direction, a preset position of the second mounting plate is provided with a third fixing hole corresponding to the first fixing hole, and the fixing piece is suitable for penetrating through the first fixing hole and the third fixing hole to fix the first bearing sleeve and the mounting seat to application equipment.
7. The bearing support structure of claim 6, wherein the predetermined position of the shaft is provided with a second bearing, the second bearing being disposed a predetermined distance from the first bearing; the bearing support structure further comprises a third bearing sleeve and a fourth bearing sleeve, wherein a third mounting groove is formed in one side of the third bearing sleeve, and a fourth mounting groove is formed in one side of the fourth bearing sleeve; The shaft hole penetrates through the third bearing sleeve and the fourth bearing sleeve, the third bearing sleeve and the fourth bearing sleeve are respectively positioned at two sides of the second bearing, one part of the second bearing is installed in the third installation groove, and the other part of the second bearing is installed in the fourth installation groove; The third bearing sleeve is provided with a third mounting plate extending from the side wall of the third mounting groove along the radial direction, and a fourth fixing hole is formed in the preset position of the third mounting plate; the fourth bearing sleeve is provided with a fourth mounting plate extending from the side wall of the fourth mounting groove along the radial direction, and a fifth fixing hole is formed in the preset position of the fourth mounting plate; The first mounting plate, the second mounting plate, the third mounting plate and the fourth mounting plate are arranged in a laminated mode, and the positions of the first fixing hole, the third fixing hole, the fourth fixing hole and the fifth fixing hole correspond to each other.
8. The bearing support structure of claim 6 wherein the outer surface of the first bearing sleeve has ribs extending from the fixed plate and the first mounting plate.
9. The bearing support structure of claim 1, further comprising a spacer mounted between the first bearing housing and the mount.

Description

Bearing supporting structure Technical Field The utility model relates to the field of bearings, and further relates to a bearing supporting structure. Background The bearing is an important part in mechanical equipment, and has the main functions of supporting the mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision. The bearing support structure is capable of providing support and fixation for the bearing during operation. It should be noted that, in the current bearing supporting structure, one fixing piece is usually disposed at each side of the bearing, and the two fixing pieces are fixedly connected to realize spacing fixation at two sides of the axial direction of the bearing, so that the structural strength of the structure in the radial direction of the bearing is lower. On the other hand, the existing structure generally adopts a two-piece structure, two pieces are required to be aligned and then fixed in the assembly process, and the assembly process is complicated. Disclosure of utility model In view of the above technical problems, an object of the present utility model is to provide a bearing support structure, in which at least a portion of a second bearing sleeve of the bearing support structure extends into a second section groove of a first bearing sleeve, at least a portion of the first bearing sleeve and the first bearing sleeve are stacked in a radial direction, so that the assembly is facilitated, and meanwhile, the structural strength in the radial direction can be improved. In order to achieve the above object, an object of the present utility model is to provide a bearing support structure including: A rotating shaft, a first bearing is installed at a preset position of the rotating shaft, and the first bearing is provided with a first side part and a second side part along the axial direction of the rotating shaft; The first bearing sleeve is provided with a first mounting groove at one side; a second bearing sleeve, one side of which is provided with a second mounting groove; the bearing support structure is provided with a shaft hole penetrating through the first bearing sleeve and the second bearing sleeve, the rotating shaft is installed in the shaft hole, the first bearing sleeve and the second bearing sleeve are respectively positioned at two sides of the first bearing, the first side part of the first bearing is installed in the first installation groove, and the second side part of the first bearing is installed in the second installation groove; The first mounting groove is provided with a first section groove close to the bottom and a second section groove close to the opening position, the diameter of the second section groove is larger than that of the first section groove, the diameter of the first section groove is matched with that of the first side part, the first side part is mounted in the first section groove, a gap is formed between the side wall of the second section groove and the first bearing, and the side wall of the second mounting groove of the second bearing sleeve is mounted in the gap; The mounting seat is provided with a mounting end and a supporting end, the mounting seat is also provided with a mounting hole penetrating through the mounting end and the supporting end, the mounting end is suitable for being fixed on application equipment, and the first bearing sleeve is mounted on the supporting end; The second bearing sleeve is provided with a first limiting convex ring and a second limiting convex ring, the first limiting convex ring axially extends in a direction away from the second mounting groove, the second limiting convex ring radially extends from the middle area of the second bearing sleeve, the first limiting convex ring is mounted in the mounting hole, and the second limiting convex ring is located between the first bearing sleeve and the mounting seat. In some embodiments, the circumference side of the first bearing housing has a plurality of first fixing holes, and the support end of the mounting seat has a plurality of second fixing holes corresponding to the plurality of first fixing holes; The bearing supporting structure further comprises a plurality of fixing pieces, wherein the fixing pieces are arranged in the first fixing holes and the second fixing holes and are used for fixedly connecting the first bearing sleeve with the mounting seat. In some embodiments, the rotating shaft has a driving end and a rotating end, the driving end has engagement teeth adapted to be connected with a driving source, the rotating end has a plurality of fixing protrusions, gaps are arranged between adjacent fixing protrusions, the positions of the gaps correspond to the first fixing holes and the second fixing holes, and the fixing protrusions have fixing portions at the ends, wherein the fixing portions are adapted to be used for installing rollers. In some embodiments, the outer side