CN210623406U

CN210623406U - Vertical installation bearing seal

Info

Publication number: CN210623406U
Application number: CN201921214195.4U
Authority: CN
Inventors: 胡凯; 况毅军
Original assignee: Shanghai Liancheng Group Co Ltd
Current assignee: Shanghai Liancheng Group Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-26
Anticipated expiration: 2029-07-30

Abstract

The utility model provides a vertical installation bearing seal, including the axle, the outside of axle cup joints the bearing housing, the bearing housing outside cup joints the bearing, the bearing outside cup joints the bearing body, the bearing upper end is equipped with the latch segment, the latch segment cup joints in the bearing housing outside, the bearing top is equipped with the upper gland, the outside of axle still is equipped with down the gland, down the gland includes interior crown plate, outer crown plate and clamp plate, the clearance between interior crown plate embedding bearing housing and the axle, the annular groove setting of outer crown plate embedding bearing body lower extreme, clamp plate upper end and interior crown plate and outer crown plate lower extreme fixed connection; the utility model has the advantages that: the vertical bearing sealing structure is improved, the bearing mounting structure is changed, and a bearing sleeve is mounted between the bearing inner ring and the shaft and used as a quick-wear part, so that the abrasion waste is reduced; the structure of the lower pressing cover is improved, the problem that lubricant is easy to leak is solved, and waste of part materials is reduced.

Description

Vertical installation bearing seal

Technical Field

The utility model relates to a bearing seal field especially relates to a vertical installation bearing seal.

Background

The prior art vertical mounting bearing seal is shown in fig. 1, in which the reference numbers are as follows: 1, 2, an upper gland, 3, a locking mechanism, 4, 5, a bearing body, 6, 7, an oil seal and 8, a lower gland; the bearing 4 is arranged on the shaft 1, the upper end face of the bearing 4 is positioned by the locking mechanism 3, the lower end face of the bearing 4 is positioned by an upper shaft shoulder boss of the shaft 1, the upper gland 2 is arranged on the bearing body 5 in a matching way, the lower gland 8 is arranged below the bearing body 5 in a matching way, and the sealing ring 6 is arranged between the lower gland 8 and the bearing body 5 and used for sealing lubricant in the bearing body; an oil seal 7 is installed between the lower gland 8 and the shaft 1 for sealing lubricant inside the bearing body.

The above structure has certain disadvantages:

and once a sealing ring or an oil seal is damaged, internal lubricant leaks from the damaged part to pollute equipment. In particular, the oil seal belongs to dynamic seal and is worn, so that the overhaul rate is high and leakage often occurs.

The bearing is easy to wear, the bearing is directly arranged on the shaft, and after the bearing inner ring and the shaft are worn, the tolerance fit size does not meet the use requirement, so that the pump shaft or the bearing needs to be replaced, and waste is caused.

The power loss, the friction between the oil seal and the shaft, can cause the extra energy loss of the unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical installation bearing seal.

In order to realize the purpose, the technical scheme of the utility model is that:

a vertical mounting bearing seal comprises a shaft, wherein a bearing sleeve is sleeved on the outer side of the shaft, and is characterized in that the bearing sleeve is provided with a screw in a penetrating manner along the radial direction, a convex key is arranged on the outer side of the shaft, a concave key is sleeved on the bearing sleeve, the concave key is matched with the convex key, the bearing sleeve is fixedly connected with the shaft through the combination of the screw, the convex key and the concave key, a bearing is sleeved on the outer side of the bearing sleeve, a bearing body is sleeved on the outer side of the bearing, a locking block is arranged at the upper end of the bearing, the locking block is sleeved on the outer side of the bearing sleeve, an upper gland is arranged above the bearing, the inner side of the upper end of the upper gland is arranged around the outer side of the bearing sleeve, the lower end of the upper gland is connected with the upper end of the bearing body, a lower gland is further arranged on the outer side of the shaft, the, the pressing plate is annular, the inner ring plate is embedded into a gap between the bearing sleeve and the shaft, the outer ring plate is embedded into an annular groove at the lower end of the bearing body, and the upper end of the pressing plate is fixedly connected with the inner ring plate and the lower end of the outer ring plate.

Further, a bearing lubricant is coated in a space formed by the inner ring plate, the outer ring plate, the pressure plate and the bearing body.

The utility model has the advantages that: the vertical bearing sealing structure is improved, the bearing mounting structure is changed, and a bearing sleeve is mounted between the bearing inner ring and the shaft and used as a quick-wear part, so that the abrasion waste is reduced; the improved lower press cover structure is provided with an inner ring fixing structure and an outer ring fixing structure, and a lubricant is coated in a space formed by the inner ring plate, the outer ring plate, the press plate and the bearing body, so that the problem that the lubricant is easy to leak is solved, and the waste of part materials is reduced.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

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

fig. 3 is a schematic structural view of the middle lower gland of the present invention.

Reference numerals:

1 axle

2 upper gland

3 locking mechanism

4 bearing

5 bearing body

6 sealing ring

7 oil seal

8 push down lid

801 inner ring plate

802 outer ring plate

803 press plate

9 convex key

10 bearing sleeve

11 screws.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

The utility model discloses a vertical installation bearing seal, as shown in figure 2, including axle 1, bearing housing 10 is cup jointed in the outside of axle 1, bearing housing 10 radially runs through and is equipped with screw 11, the outside of axle 1 is equipped with protruding key 9, bearing housing 10 is equipped with the concave key, concave key and the cooperation of protruding key 9, bearing 4 is cup jointed in the outside of bearing housing 10, bearing body 5 is cup jointed in the outside of bearing 4, the upper end of bearing 4 is equipped with latch segment 3, latch segment 3 cup joints the outside at bearing housing 10, the top of bearing 4 is equipped with gland 2, the inboard of going up gland 2 upper end is encircleed the outside setting of bearing housing 10, the lower extreme of going up gland 2 is connected with bearing body 5's upper end, the outside of axle 1 still is equipped with down gland 8.

As shown in fig. 3, the lower gland 8 includes an inner ring plate 801, an outer ring plate 802, and a pressing plate 803, the inner ring plate 801 and the outer ring plate 802 are cylindrical, the pressing plate 803 is annular, the inner ring plate 801 is fitted into a gap between the bearing housing 10 and the shaft 1, the outer ring plate 802 is fitted into an annular groove at the lower end of the bearing body 5, and the upper end of the pressing plate 803 is fixedly connected to the lower ends of the inner ring plate 801 and the outer ring plate 802.

During the concrete implementation, bearing housing 10 is installed on axle 1, and bearing housing 10 passes through the combination of convex key 9 and concave key and the fastening of screw 11 on axle 1, and bearing 4 installs on bearing housing 10, and the bearing 4 up end is fixed a position by locking mechanism 3, and locking mechanism 3 installs on bearing housing 10, and the terminal surface relies on the boss location of the shaft shoulder on bearing housing 10 under the bearing 4, goes up 2 cooperations of gland and installs in bearing body 5 upper end, and 8 cooperations of gland are installed in the lower extreme of bearing body 5 down.

The lower gland 8 is formed by respectively welding an inner ring plate 801 and an outer ring plate 802 on a pressure plate 803, when the lower gland is installed, the inner ring plate 801 is inserted into a gap between the shaft 1 and the bearing sleeve 10, the outer ring plate 802 is inserted into a groove of the bearing body 5, and the bearing lubricant plays a role in lubricating in a space formed by the inner ring plate 801, the outer ring plate 802, the pressure plate 803 and the bearing body 5.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A vertical mounting bearing seal comprises a shaft, wherein a bearing sleeve is sleeved on the outer side of the shaft, and is characterized in that the bearing sleeve is provided with a screw in a penetrating manner along the radial direction, a convex key is arranged on the outer side of the shaft, a concave key is sleeved on the bearing sleeve, the concave key is matched with the convex key, the bearing sleeve is fixedly connected with the shaft through the combination of the screw, the convex key and the concave key, a bearing is sleeved on the outer side of the bearing sleeve, a bearing body is sleeved on the outer side of the bearing, a locking block is arranged at the upper end of the bearing, the locking block is sleeved on the outer side of the bearing sleeve, an upper gland is arranged above the bearing, the inner side of the upper end of the upper gland is arranged around the outer side of the bearing sleeve, the lower end of the upper gland is connected with the upper end of the bearing body, a lower gland is further arranged on the outer side of the shaft, the, the pressing plate is annular, the inner ring plate is embedded into a gap between the bearing sleeve and the shaft, the outer ring plate is embedded into an annular groove at the lower end of the bearing body, and the upper end of the pressing plate is fixedly connected with the inner ring plate and the lower end of the outer ring plate.

2. A vertical mount bearing seal according to claim 1 wherein the space defined by the inner ring plate, the outer ring plate, the pressure plate and the bearing body is coated with a bearing lubricant.