CN212055545U

CN212055545U - Bearing sealing structure

Info

Publication number: CN212055545U
Application number: CN201922407289.XU
Authority: CN
Inventors: 倪传传
Original assignee: Jiangsu Shuangzheng Machinery Co ltd
Current assignee: Jiangsu Shuangzheng Machinery Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-12-01
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a bearing seal structure relates to bearing technical field, including transmission shaft, bearing main part and bearing frame, one side fixed mounting of bearing frame has solid fixed ring, gu fixed ring and the coaxial setting of bearing frame, gu seted up three fixed orifices on the fixed ring, three through-hole has been seted up to one side of bearing frame, gu fixed ring is close to one side of bearing frame and sets up the three seal groove that corresponds with the through-hole, and is three all inlay in the seal groove and have the rubber packing pad. The utility model discloses a seted up the through-hole on the bearing frame, the convenience adds the replenishment to lubricating grease for the bearing, avoids influencing the normal use of bearing because of lacking lubricating grease for the bearing, through being provided with solid fixed ring, seals the through-hole through the rubber packing pad on the solid fixed ring, avoids the leakage of lubricating grease for the bearing, and simple structure is practical.

Description

Bearing sealing structure

Technical Field

The utility model relates to a bearing technical field, in particular to bearing seal structure.

Background

The electric automobile industry is rapidly developed, the motor is one of cores of electric automobiles, the stability and the reliability of the motor are critical to the whole automobile, in the research and development stage of the motor, the motor is durable and is tested in the impact experiment stage, so that the batch production stage basically adopts a tool transmission mode, the motor needs to be connected with a dynamometer through the tool to complete the test, aiming at the motor with high rotating speed spline output, the tool needs a bearing to ensure the stable operation of a transmission shaft, the high-speed operation of the bearing can generate high heat, the bearing can operate at high temperature for a long time, the service life of the bearing can be shortened, the bearing can be damaged in advance, the damage of the bearing can not be timely found, more heat can be generated, the bearing can be locked seriously, the transmission shaft is damaged, and the experiment is interrupted.

The utility model discloses a bearing heat radiation structure disclosed in chinese utility model patent application publication specification CN209510934U, though, this bearing heat radiation structure distributes the outside air through aluminium system fin, because multiunit aluminium system fin has increased heat exchange area, make radiating efficiency show the increase, realize the real-time heat dissipation in the bearing use, avoid the bearing locking, guarantee the steady operation, realize the rapid cooling after the bearing uses, eliminate long-pending hot cracking problem, however, this bearing heat radiation structure is inconvenient supplements lubricating grease for the bearing, influence the normal use of bearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing seal structure 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 bearing sealing structure comprises a transmission shaft, a bearing main body and a bearing seat, wherein a fixing ring is fixedly installed on one side of the bearing seat, the fixing ring and the bearing seat are coaxially arranged, three fixing holes are formed in the fixing ring, and three through holes are formed in one side of the bearing seat;

one side of the fixing ring, which is close to the bearing seat, is provided with three sealing grooves corresponding to the through holes, and rubber sealing gaskets are embedded in the three sealing grooves.

Optionally, the bearing main body is sleeved on the outer side surface of the transmission shaft, and the bearing seat is sleeved on the outer side surface of the bearing main body.

Optionally, the three fixing holes are distributed in an annular array around the ring center.

Optionally, the three through holes are communicated with an inner cavity of the bearing main body, and the three through holes are distributed in an annular array around the axis of the bearing seat.

Optionally, the three sealing grooves and the three fixing holes are distributed in a staggered manner.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a seted up the through-hole on the bearing frame, the convenience adds the replenishment to lubricating grease for the bearing, avoids influencing the normal use of bearing because of lacking lubricating grease for the bearing.

2. The utility model discloses a be provided with solid fixed ring, seal up through the rubber packing on the solid fixed ring and seal up the through-hole, avoid the leakage of lubricating grease for the bearing, simple structure is practical.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic view of the bearing seat of the present invention.

Fig. 3 is a schematic sectional view of the bearing seat of the present invention.

Fig. 4 is a schematic view of the fixing ring of the present invention.

Fig. 5 is a perspective view of the rubber gasket of the present invention.

In the figure: 1. a drive shaft; 2. a bearing body; 3. a bearing seat; 4. a fixing ring; 5. a fixing hole; 6. A through hole; 7. a sealing groove; 8. a rubber gasket is provided.

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", "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.

The utility model provides a bearing sealing structure as shown in figures 1-5, which comprises a transmission shaft 1, the bearing comprises a bearing main body 2 and a bearing seat 3, wherein the bearing main body 2 is sleeved on the outer side surface of a transmission shaft 1, the bearing seat 3 is sleeved on the outer side surface of the bearing main body 2, a fixing ring 4 is fixedly installed on one side of the bearing seat 3, the fixing ring 4 and the bearing seat 3 are coaxially arranged, three fixing holes 5 are formed in the fixing ring 4, the fixing ring 4 is conveniently fixed on the bearing seat 3 by using fixing bolts, the three fixing holes 5 are distributed in an annular array around the center of the ring, three through holes 6 are formed in one side of the bearing seat 3, the lubricating grease for the bearing can be conveniently added and supplemented, the influence on the normal use of the bearing due to the lack of the lubricating grease for the bearing is avoided, the three through holes;

one side that solid fixed ring 4 is close to bearing frame 3 is seted up three seal groove 7 that corresponds with through-hole 6, all inlays in three seal groove 7 and has sealed 8 of rubber packing, avoids the leakage of lubricating grease for the bearing, and simple structure is practical, three seal groove 7 and three fixed orifices 5 crisscross distribution.

The utility model discloses a theory of operation:

through having seted up through-hole 6 on bearing frame 3, conveniently add the replenishment to lubricating grease for the bearing, avoid influencing the normal use of bearing because of lacking lubricating grease for the bearing, through being provided with solid fixed ring 4, seal through the sealed 8 of rubber packing on solid fixed ring 4 to through-hole 6, avoid the leakage of lubricating grease for the bearing, simple structure is practical.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a bearing seal structure, includes transmission shaft (1), bearing main part (2) and bearing frame (3), its characterized in that: a fixing ring (4) is fixedly mounted on one side of the bearing seat (3), the fixing ring (4) and the bearing seat (3) are coaxially arranged, three fixing holes (5) are formed in the fixing ring (4), and three through holes (6) are formed in one side of the bearing seat (3);

one side of the fixing ring (4) close to the bearing seat (3) is provided with three sealing grooves (7) corresponding to the through holes (6), and the three sealing grooves (7) are internally embedded with rubber sealing gaskets (8).

2. A bearing seal structure according to claim 1, wherein:

the bearing main body (2) is sleeved on the outer side face of the transmission shaft (1), and the bearing seat (3) is sleeved on the outer side face of the bearing main body (2).

3. A bearing seal structure according to claim 1, wherein:

the three fixing holes (5) are distributed in an annular array around the ring center.

4. A bearing seal structure according to claim 1, wherein:

the three through holes (6) are communicated with the inner cavity of the bearing main body (2), and the three through holes (6) are distributed in an annular array around the axial lead of the bearing seat (3).

5. A bearing seal structure according to claim 1, wherein:

the three sealing grooves (7) and the three fixing holes (5) are distributed in a staggered mode.