CN212412922U

CN212412922U - Motor bearing gland structure

Info

Publication number: CN212412922U
Application number: CN202021006072.4U
Authority: CN
Inventors: 黎德宇; 刘国伟
Original assignee: Shanghai Xiangfei Electric Co ltd
Current assignee: Shanghai Xiangfei Electric Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-26
Anticipated expiration: 2030-06-04

Abstract

The utility model provides a motor bearing gland structure, including outside epaxial retaining ring, left gland, right gland, interior epaxial retaining ring, the rubber buffer, annotate the oil pocket, first sealing washer and lubricated chamber, left gland is installed to the front end housing left end face, the annular side has clamped outside epaxial retaining ring in the left gland, left gland annular side upside card sleeve has the rubber buffer, the oil pocket has been seted up to the inside upside of left gland, the embedding of left gland right-hand member face upside has first sealing washer, right gland is installed to the front end housing right-hand member face, the annular side has clamped interior epaxial retaining ring in the right gland, lubricated chamber has been seted up to the inside upside of right gland, this design has solved the inconvenient problem that carries out the oiling lubrication to the motor bearing of original gland structure, the utility model discloses it is rational in infrastructure, conveniently carry out the oiling lubrication to the bearing, simple structure, low in.

Description

Motor bearing gland structure

Technical Field

The utility model relates to a motor bearing gland structure belongs to motor technical field.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor bearing is also named as a motor bearing or a motor bearing, and is a special bearing specially applied to a motor or a motor. The bearing used in the motor is a part for supporting the shaft, and can guide the rotation of the shaft and bear the idle part on the shaft.

Motor bearing need use the gland to fix a position the bearing when the installation, and traditional gland is inconvenient when using to bearing supplementary lubricating oil, need dismantle the gland just can to bearing supplementary lubricating oil, and the convenience of use is not good enough, needs a motor bearing gland structure now promptly to solve the above-mentioned problem that appears.

Disclosure of Invention

The utility model aims at providing a motor bearing gland structure to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, it is lubricated that the oiling is conveniently carried out to the bearing, simple structure, and use cost is low.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a motor bearing gland structure, includes motor main part, front end housing, lubricated spacing subassembly, transmission shaft, bearing and installation base, the front end housing is installed to motor main part left end face, the terminal surface welding has the installation base under the motor main part, annular side clamps the bearing in the front end housing, annular side clamps the transmission shaft in the bearing, the inside lubricated spacing subassembly that is provided with of front end housing, lubricated spacing subassembly includes outside axle with sealing ring, left gland, right gland, interior axle with sealing ring, rubber buffer, notes oil pocket, first sealing washer, lubrication chamber and second sealing washer, left gland is installed to front end housing left end face, annular side clamps outside axle with sealing ring in the left gland, left gland annular side upside clamping sleeve has the rubber buffer, the notes oil pocket has been seted up to the inside upside of left gland, left gland right end face upside embedding has first sealing washer, the right end face of the front end cover is provided with a right gland, the inner annular side face of the right gland is clamped with a sealing retainer ring for an inner side shaft, the upper side inside the right gland is provided with a lubricating cavity, and the upper side of the left end face of the right gland is embedded with a second sealing ring.

Furthermore, a first sealing gasket is clamped on the right end face of the left gland, and a second sealing gasket is clamped on the left end face of the right gland.

Furthermore, an oil passing cavity is formed in the upper side inside the front end cover, the left end face of the oil passing cavity is communicated with the oil injection cavity, and the right end face of the oil passing cavity is communicated with the lubricating cavity.

Furthermore, the inner diameters of the outside shaft sealing retainer ring and the inside shaft sealing retainer ring are slightly smaller than the outer diameter of the transmission shaft.

Furthermore, the inner annular side face of the bearing is matched with the annular side face of the transmission shaft, and the bearing is fixed on the inner annular side face of the front end cover in a clamping mode.

Furthermore, left side gland and right gland are detachable construction, the front end housing passes through the bolt fastening at motor main part left end face.

The utility model has the advantages that: the utility model discloses a motor bearing gland structure, because of the utility model discloses added outside axle and used retainer ring, left gland, right gland, interior axle and used retainer ring, rubber buffer, notes oil pocket, first sealing washer, lubricated chamber and second sealing washer, this design convenience is lubricated and is spacing to motor bearing, has solved the inconvenient problem that carries out the oiling lubrication to motor bearing of original gland structure, has improved the utility model discloses a lubricated spacing effect.

Because of left gland right-hand member face card is equipped with first sealed pad, right gland left end face card has the sealed pad of second, first sealed pad has improved the leakproofness between left gland and the front end housing, the sealed pad of second has improved the leakproofness between right gland and the front end housing, the oil pocket has been seted up because of the inside upside of front end housing, it has a perfect understanding mutually with the oiling chamber to cross oil pocket left end face, cross oil pocket right-hand member face and have a perfect understanding mutually with the lubrication chamber, lubricating oil flows into the lubrication chamber in this design makes things convenient for the oiling chamber, slightly less than the transmission shaft external diameter because of outside for the axle circlip and inside for the axle circlip internal diameter, this design has improved outside for the axle circlip and inside for the axle circlip transmission shaft sealing capacity, the utility model discloses rational in infrastructure, conveniently carry out the oiling lubrication to the.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a motor bearing gland structure of the present invention;

fig. 2 is a front sectional view of a lubrication limiting assembly in a motor bearing gland structure according to the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

in the figure: 1-a motor main body, 2-a front end cover, 3-a lubrication limiting component, 4-a transmission shaft, 5-a bearing, 6-a mounting base, 21-an oil passing cavity, 31-a sealing retainer ring for an outer shaft, 32-a left gland, 33-a right gland, 34-a sealing retainer ring for an inner shaft, 35-a rubber plug, 36-an oil injection cavity, 37-a first sealing ring, 38-a lubrication cavity, 39-a second sealing ring, 321-a first sealing gasket and 331-a second sealing gasket.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a motor bearing gland structure, includes motor main part 1, front end housing 2, lubricated spacing subassembly 3, transmission shaft 4, bearing 5 and installation base 6, and front end housing 2 is installed to motor main part 1 left end face, and the end welding has installation base 6 under motor main part 1, and 2 interior annular sides of front end housing have clamped bearing 5, and 5 interior annular sides of bearing have clamped

transmission shaft

4, and 2 inside lubricated spacing subassemblies 3 that are provided with of front end housing.

The lubrication limiting component 3 comprises an outer shaft sealing retainer ring 31, a left gland 32, a right gland 33, an inner shaft sealing retainer ring 34, a rubber plug 35, an oil injection cavity 36, a first sealing ring 37, a lubrication cavity 38 and a second sealing ring 39, the left end surface of the front end cover 2 is provided with the left gland 32, the inner annular side surface of the left gland 32 is clamped with the outer shaft sealing retainer ring 31, the upper side of the annular side surface of the left gland 32 is clamped with the rubber plug 35, the upper side inside the left gland 32 is provided with the oil injection cavity 36, the upper side of the right end surface of the left gland 32 is embedded with the first sealing ring 37, the right end surface of the front end cover 2 is provided with the right gland 33, the inner annular side surface of the right gland 33 is clamped with the inner shaft sealing retainer ring 34, the upper side inside the right gland 33 is provided, this design has been solved original gland structure and has been inconvenient carries out the lubricated problem of oiling to the motor bearing.

The right end face of the left gland 32 is clamped with a first sealing gasket 321, the left end face of the right gland 33 is clamped with a second sealing gasket 331, the first sealing gasket 321 improves the sealing property between the left gland 32 and the front end cover 2, the second sealing gasket 331 improves the sealing property between the right gland 33 and the front end cover 2, the upper side inside the front end cover 2 is provided with an oil passing cavity 21, the left end face of the oil passing cavity 21 is communicated with the oil filling cavity 36, the right end face of the oil passing cavity 21 is communicated with the lubricating cavity 38, the design is convenient for lubricating oil in the oil filling cavity 36 to flow into the lubricating cavity 38, the inner diameters of the sealing retainer ring 31 for the outer shaft and the sealing retainer ring 34 for the inner shaft are slightly smaller than the outer diameter of the transmission shaft 4, the sealing capacity of the sealing retainer ring 31 for the outer shaft and the sealing retainer ring 34 for the inner shaft on the transmission shaft 4 is improved, the annular side face of the bearing 5, this design is convenient to clamp bearing 5 fixedly, and left gland 32 and right gland 33 are detachable construction, and front end housing 2 passes through the bolt fastening at motor element 1 left end face, and this design is convenient to left gland 32 and right gland 33 dismouting, and the bolt is convenient to be fixed the installation of front end housing 2 at motor element 1 left end face.

As an embodiment of the present invention: firstly, a bearing 5 is clamped and fixed on the inner annular side surface of a front end cover 2, then a left gland 32 is arranged and fixed at a designated position of the left end surface of the front end cover 2, a right gland 33 is arranged and fixed at a designated position of the right end surface of the front end cover 2, then the bearing 5 is clamped and sleeved on the annular side surface of a transmission shaft 4, the front end cover 2 is arranged and fixed on the left end surface of a motor main body 1 through bolts, at the moment, the transmission shaft 4 is sealed by a sealing retainer ring 31 for an outer shaft and a sealing retainer ring 34 for an inner shaft, lubricating oil in the bearing 5 is prevented from overflowing from the transmission shaft 4 to the outside, when the bearing 5 needs to be lubricated, a rubber plug 35 is pulled off, a proper amount of lubricating oil is injected into an oil injection cavity 36 through an external injection tool, at the moment, the lubricating oil is firstly injected into the oil cavity 36 and then flows into a lubricating cavity 38 through an, The sealing effect between oil passing cavity 21 and lubricating cavity 38 is better, fills in the rubber buffer 35 to the normal position again after the completion of pouring into, avoids lubricating oil to spill over to left gland 32 outside from oiling chamber 36, and lubricating oil in lubricating cavity 38 and the oiling chamber 36 can lubricate terminal surface about bearing 5, because bearing 5 is in the rotation state at the during operation to carry out comprehensive lubrication, extension bearing 5 life inside bearing 5.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a motor bearing gland structure, includes motor main part, front end housing, lubricated spacing subassembly, transmission shaft, bearing and installation base, its characterized in that: the motor is characterized in that a front end cover is mounted on the left end face of the motor main body, a mounting base is welded on the lower end face of the motor main body, a bearing is clamped on the inner annular side face of the front end cover, a transmission shaft is clamped on the inner annular side face of the bearing, and a lubricating limiting assembly is arranged in the front end cover;

lubricated spacing subassembly includes outside for the axle retaining ring, left gland, right gland, interior for the axle retaining ring, rubber buffer, annotates oil pocket, first sealing washer, lubricated chamber and second sealing washer, left gland is installed to the front end cover left end face, the annular side has clamped outside for the axle retaining ring in the left side gland, left side gland annular side upside card sleeve has the rubber buffer, the oil pocket has been seted up to the inside upside of left side gland, left side gland right-hand member face upside embedding has first sealing washer, right gland is installed to the front end cover right-hand member face, the annular side has clamped interior for the axle retaining ring in the right side gland, lubricated chamber has been seted up to the inside upside of right side gland, the embedding of right side gland left end face upside has the second sealing washer.

2. A motor bearing gland structure according to claim 1, wherein: the right end face of the left gland is clamped with a first sealing gasket, and the left end face of the right gland is clamped with a second sealing gasket.

3. A motor bearing gland structure according to claim 1, wherein: the oil filling device is characterized in that an oil passing cavity is formed in the upper side inside the front end cover, the left end face of the oil passing cavity is communicated with the oil filling cavity, and the right end face of the oil passing cavity is communicated with the lubricating cavity.

4. A motor bearing gland structure according to claim 1, wherein: the inner diameters of the sealing retainer ring for the outer shaft and the sealing retainer ring for the inner shaft are slightly smaller than the outer diameter of the transmission shaft.

5. A motor bearing gland structure according to claim 1, wherein: the bearing inner annular side face is matched with the transmission shaft annular side face, and the bearing is fixed on the front end cover inner annular side face in a clamping mode.

6. A motor bearing gland structure according to claim 1, wherein: the left gland and the right gland are of detachable structures, and the front end cover is fixed on the left end face of the motor main body through bolts.