CN218625098U

CN218625098U - Bearing structure

Info

Publication number: CN218625098U
Application number: CN202222746513.XU
Authority: CN
Inventors: 倪利波
Original assignee: Zigong Huashi Electrical Appliance Manufacturing Co ltd
Current assignee: Zigong Huashi Electrical Appliance Manufacturing Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-03-14
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a bearing structure relates to the bearing field, include: the spindle sleeve, the vallecular cavity has been seted up to the inboard of spindle sleeve, and the inboard of spindle sleeve is provided with upper bearing ring and lower bearing ring, the notch has been seted up to the upper end of upper bearing ring, and the lower extreme of notch is provided with the hole of stepping down, and the upper end of upper bearing ring sets up to last cylindricality portion, and the lower extreme of going up cylindricality portion is connected with toper portion, the upper end of lower bearing ring is provided with down the toper portion, and the lower extreme of toper portion is connected with down cylindricality portion to the connecting hole has been seted up to the inside of lower bearing ring. The utility model discloses a requirement at narrow and small space installation, and alleviateed whole weight, the dismouting of being convenient for.

Description

Bearing structure

Technical Field

The utility model relates to a construction technical field, concretely relates to bearing structure.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce its motion in-process, and guarantee its gyration precision.

However, the prior art bearing structure is generally divided into an outer ring, an inner ring, a cage and balls. The existing bearing structure is generally fixed according to the national standard, the size of the bearing is fixed, a large space is consumed during installation, the technical requirement cannot be met in the limited space, and the product weight cannot meet the requirement of a customer.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, a bearing structure is provided so as to solve the problems that the existing bearing structure is generally fixed according to the national standard, the bearing size is fixed, a large space is consumed during installation, the technical requirements cannot be met in a limited space, and the product weight cannot meet the customer requirements.

To achieve the above object, there is provided a bearing structure including: the utility model provides a bearing of the automobile engine, including main shaft cover, groove cavity has been seted up to the inboard of main shaft cover, and the inboard of main shaft cover is provided with upper bearing ring and lower bearing ring, the notch has been seted up to the upper end of upper bearing ring, and the lower extreme of notch is provided with the hole of stepping down, and the upper end of upper bearing ring sets up to last cylindricality portion, and the lower extreme of going up cylindricality portion is connected with toper portion, the upper end of lower bearing ring is provided with down the toper portion, and the lower extreme of toper portion is connected with down cylindricality portion to the connecting hole has been seted up to the inside of lower bearing ring.

Furthermore, the cross section of the groove cavity is provided with a transverse V-shaped structure, and the tip of the V-shaped structure faces outwards.

Further, the notch sets up to the horn mouth structure, and lets the hole set up to the round hole structure to the notch with let the hole be located same vertical line with the central point of connecting hole.

Furthermore, the inner hole wall of the connecting hole is provided with internal threads, the upper bearing ring and the lower bearing ring are connected through bolts, grooves symmetrical to the groove cavities are formed in the outer sides of the upper bearing ring and the lower bearing ring, and steel balls in rolling connection are arranged between the groove cavities and the grooves.

Furthermore, a rolling gap is formed between the main shaft sleeve and the upper bearing ring and between the main shaft sleeve and the lower bearing ring, and the upper end face and the lower end face of the upper bearing ring and the lower bearing ring are flush with the end face of the main shaft sleeve.

Furthermore, the slot cavity is arranged on the inner wall of the main shaft sleeve at equal intervals, and the circle center of the steel ball is positioned on the horizontal symmetrical axis of the slot cavity

The beneficial effects of the utility model reside in that, through the upper bearing frame and the lower bearing ring that set up, the external diameter of adjusting the bearing frame when adding man-hour to and the external diameter of spindle cover, be convenient for use in limited space, and be suitable for inside the installation space of non-standard size, the equipment of being convenient for has secondly reduced the use of holder, with the slot chamber that forms between spindle cover and the upper and lower bearing frame as the roll clearance, has reduced the quality of bearing, satisfies customer's demand.

Drawings

Fig. 1 is a schematic front sectional view of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a bearing according to an embodiment of the present invention;

fig. 3 is a schematic view of the upper and lower bearing ring structures according to the embodiment of the present invention.

In the figure: 1. a main shaft sleeve; 2. a slot cavity; 3. steel balls; 4. a notch; 5. an upper bearing ring; 51. an upper cylindrical portion; 52. an upper tapered portion; 6. a hole for abdication; 7. a lower bearing ring; 71. a lower cylindrical portion; 72. a lower tapered portion; 8. connecting holes; 9. a rolling gap.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Referring to fig. 1 to 3, the present invention provides a bearing structure, including: the main shaft sleeve 1, the steel balls 3, the upper bearing ring 5 and the lower bearing ring 7.

Specifically, the inner side of the spindle sleeve 1 is provided with a groove cavity 2, the inner side of the spindle sleeve 1 is provided with an upper bearing ring 5 and a lower bearing ring 7, the upper end of the upper bearing ring 5 is provided with a groove 4, the lower end of the groove 4 is provided with a relief hole 6, the upper end of the upper bearing ring 5 is provided with an upper cylindrical portion 51, the lower end of the upper cylindrical portion 51 is connected with an upper conical portion 52, the upper end of the lower bearing ring 7 is provided with a lower conical portion 72, the lower end of the lower conical portion 72 is connected with a lower cylindrical portion 71, and the inner portion of the lower bearing ring 7 is provided with a connecting hole 8.

In a preferred embodiment, the upper tapered portion 52 and the lower tapered portion 72 are correspondingly connected by bolts, the bolt heads are located inside the relief holes 6, and the inner diameter of the relief holes 6 is larger than that of the connecting holes 8.

When the spindle sleeve is used, the upper bearing ring 5, the lower bearing ring 7 and the spindle sleeve 1 are in rolling connection through the steel balls 3, the outer diameters of the upper bearing ring 5 and the lower bearing ring 7 can be machined according to the size of an installation space, after the spindle sleeve 1 is embedded and fixed, the rotating shaft part is connected to the lower end of the lower bearing ring 7 through the bolts, and then the rotating connection is achieved.

The section of the groove cavity 2 is provided with a transverse V-shaped structure, and the tip of the V-shaped structure faces outwards; the slot cavity 2 is arranged on the inner wall of the spindle sleeve 1 at equal intervals, and the circle center of the steel ball 3 is positioned on the horizontal symmetry axis of the slot cavity 2

In a preferred embodiment, the outer space of the steel ball 3 is a diamond structure, and the sides of the diamond are in a rolling structure with the steel ball 3.

Notch 4 sets up to the horn mouth structure, and steps down hole 6 and set up to the round hole structure to notch 4 and the central point that steps down hole 6 and connecting hole 8 are located same vertical line.

As a preferred embodiment, the notch 4 is set to be a conical structure, so as to facilitate the insertion guiding effect for the bolt.

The inner hole wall of the connecting hole 8 is provided with internal threads, the upper bearing ring 5 and the lower bearing ring 7 are connected through bolts, grooves symmetrical to the groove cavities 2 are formed on the outer sides of the upper bearing ring 5 and the lower bearing ring 7, and steel balls 3 in rolling connection are arranged between the groove cavities 2 and the grooves.

In a preferred embodiment, the steel balls 3 are spaced apart from each other, and the rolling of the steel balls 3 does not interfere with each other.

A rolling gap 9 is arranged between the main shaft sleeve 1 and the upper bearing ring 5 and between the main shaft sleeve 1 and the lower bearing ring 7, and the upper end face and the lower end face of the upper bearing ring 5 and the lower bearing ring 7 are flush with the end face of the main shaft sleeve 1.

The utility model discloses a bearing arrangement can effectively solve current bearing arrangement and generally according to national standard, and the bearing size is fixed, consumes great space during the installation, can not reach technical requirement in limited space, causes the problem that product weight can not satisfy customer's requirement, satisfies the too big requirement that can't install in narrow and small space of standard bearing, and has alleviateed whole weight, the dismouting of being convenient for.

Claims

1. A bearing structure comprising: spindle cover (1), its characterized in that: slot cavity (2) have been seted up to the inboard of main shaft cover (1), and the inboard of main shaft cover (1) is provided with upper bearing ring (5) and lower bearing ring (7), notch (4) have been seted up to the upper end of upper bearing ring (5), and the lower extreme of notch (4) is provided with abdicating hole (6), and the upper end of upper bearing ring (5) sets up to upper cylindrical portion (51), and the lower extreme of upper cylindrical portion (51) is connected with upper cone portion (52), the upper end of lower bearing ring (7) is provided with down cone portion (72), and the lower extreme of lower cone portion (72) is connected with down cone portion (71) to connecting hole (8) have been seted up to the inside of lower bearing ring (7).

2. A bearing construction according to claim 1, characterized in that the cross-section of the groove cavity (2) is provided with a transverse V-shaped configuration with the tip of the V facing outwards.

3. A bearing construction according to claim 1, characterized in that the notch (4) is arranged in a bell-mouth configuration and the relief hole (6) is arranged in a circular hole configuration, and that the notch (4) and the relief hole (6) are located on the same vertical line as the centre point of the connection hole (8).

4. A bearing construction according to claim 1, characterised in that the inner bore wall of the connection bore (8) is provided with an internal thread and the upper bearing ring (5) and the lower bearing ring (7) are connected by means of a bolt, and that a groove symmetrical to the groove cavity (2) is formed on the outer side of the upper bearing ring (5) and the lower bearing ring (7), and that a steel ball (3) is provided between the groove cavity (2) and the groove for a rolling connection.

5. Bearing arrangement according to claim 1, characterized in that a rolling gap (9) is provided between the spindle sleeve (1) and the upper bearing ring (5) and the lower bearing ring (7), and in that the upper and lower end faces of the upper bearing ring (5) and the lower bearing ring (7) are flush with the end face of the spindle sleeve (1).

6. A bearing arrangement according to claim 1, characterized in that the pockets (2) are arranged equidistantly on the inner wall of the spindle housing (1) and the centre of the ball (3) is located on the horizontal symmetry axis of the pocket (2).