CN216158133U

CN216158133U - Sealing shaft sleeve for angular contact ball bearing

Info

Publication number: CN216158133U
Application number: CN202122277119.1U
Authority: CN
Inventors: 车德和; 刘振善; 车玉琳
Original assignee: Dalian Julida Rolling Mill Bearing Co ltd
Current assignee: Beijing Gaofu Power Technology Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-04-01
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a sealing shaft sleeve based on an angular contact ball bearing, which comprises a shaft sleeve and a first annular plate, wherein the outer surface of the shaft sleeve is provided with a first thread, the inner annular surfaces of the first annular plates are provided with a second thread, the first annular plate is in threaded connection with the shaft sleeve through the first thread and the second thread, and the optical axis of the outer surface of the shaft sleeve is sleeved with an angular contact ball bearing body. According to the utility model, the screw rod is rotated through the nut, the annular groove can be pushed through the screw rod, the sealing gasket can be driven to move through the annular groove until the sealing gasket is attached to the angular contact ball bearing body, and the angular contact ball bearing body can be sealed through the sealing gasket, so that the installation work is finished.

Description

Sealing shaft sleeve for angular contact ball bearing

Technical Field

The utility model relates to a sealing shaft sleeve, in particular to a sealing shaft sleeve for an angular contact ball bearing.

Background

The sleeve of the protective shaft made into a whole cylinder is called a shaft sleeve, the bearing bush is equivalent to the outer ring of a sliding bearing, the shaft sleeve is integral and moves relative to the shaft, the bearing bush is divided into sections and rotates relative to the shaft, the shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing, and generally, the shaft sleeve and the bearing seat are in interference fit and are in clearance fit with the shaft.

Although the existing sealing shaft sleeve can meet the basic requirements of a sealing bearing, the steps of mounting and dismounting are complex, the bearing is maintained in the later period, when lubricating oil needs to be filled into the bearing, the sealing shaft sleeve needs to be dismounted firstly, so that great troubles are caused to workers, and according to the problems, the sealing shaft sleeve for the angular contact ball bearing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing shaft sleeve for an angular contact ball bearing, which aims to solve the problems that the existing sealing shaft sleeve in the background art is complicated in mounting and dismounting steps, and the sealing shaft sleeve needs to be dismounted firstly when lubricating oil needs to be filled into the bearing in later-stage bearing maintenance, so that workers are troubled.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a based on sealed axle sleeve for angular contact ball bearing, includes axle sleeve and annular slab one, two screw threads one, two have been seted up to the axle sleeve surface the interior anchor ring of annular slab one is provided with screw thread two, and annular slab one through screw thread one and screw thread two and axle sleeve threaded connection, the surface optical axis department of axle sleeve has cup jointed angular contact ball bearing body, the joint has two sliding sleeves in the annular slab one, and sliding connection has the slide bar in the sliding sleeve, and the looks remote site of front and back both sides slide bar respectively with two ring channel fixed connection.

As a preferred technical scheme of the utility model, the outer surface of the sliding rod is sleeved with a first spring, and two ends of the first spring are respectively and fixedly connected with the first annular plate and the annular groove.

As a preferred technical scheme of the utility model, a threaded sleeve is clamped in the first annular plate, a screw rod is connected in the threaded sleeve in a threaded manner, opposite ends of the two screw rods are respectively lapped with the opposite surfaces of the two annular grooves, and nuts are fixedly connected to the opposite surfaces of the two screw rods.

As a preferable technical scheme of the utility model, the annular groove is connected with a second annular plate in a sliding manner, the front side wall and the rear side wall of the annular groove are respectively provided with a first opening, the second annular plate is provided with a second opening, and one side of the second annular plate and one side of the annular groove are respectively and fixedly connected with a first fixing rod and a second fixing rod.

As a preferable technical scheme of the utility model, the first fixing rod and the second fixing rod are respectively and fixedly connected with two ends of the second spring, and the other end of the first fixing rod penetrates through the first opening.

As a preferred technical scheme of the utility model, two threaded holes are formed in the shaft sleeve, and the threaded holes are connected with bolts in an internal thread mode.

According to a preferable technical scheme of the utility model, the opposite surfaces of the two annular grooves are respectively provided with a sealing gasket, and the sealing gaskets are matched with the angular contact ball bearing body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the screw rod is rotated through the nut, the annular groove can be pushed through the screw rod, the sealing gasket can be driven to move through the annular groove until the sealing gasket is attached to the angular contact ball bearing body, and the angular contact ball bearing body can be sealed through the sealing gasket, so that the installation work is finished.

2. According to the utility model, the annular plate II is moved through the fixing rod I, so that the opening I and the opening II are overlapped, therefore, engine oil can be directly filled into the angular contact ball bearing body through the opening I and the opening II, and the shaft sleeve does not need to be detached, thereby representing the portability of the device in the use process.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

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

FIG. 3 is a schematic perspective view of the annular groove of the present invention;

FIG. 4 is a schematic perspective view of a second annular plate of the present invention;

FIG. 5 is a schematic perspective view of a ring groove according to the present invention;

FIG. 6 is a schematic perspective sectional view of the annular groove of the present invention;

FIG. 7 is a schematic perspective view of an angular contact ball bearing body according to the present invention;

FIG. 8 is a schematic perspective view of the sleeve of the present invention;

fig. 9 is a schematic perspective view of the shaft sleeve according to the present invention.

In the figure: the angular contact ball bearing comprises a shaft sleeve 1, an angular contact ball bearing body 2, an annular plate I3, a thread I4, a sliding sleeve 5, a sliding rod 6, a spring I7, a thread sleeve 8, a screw rod 9, a nut 10, an annular groove 11, a thread II 12, a threaded hole 13, a fixing rod I14, a spring II 15, a fixing rod II 16, an annular plate II 17, a sealing gasket 18 and a bolt 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 9, the present invention provides a technical solution: a sealing shaft sleeve based on an angular contact ball bearing comprises a shaft sleeve 1 and a first annular plate 3, wherein the outer surface of the shaft sleeve 1 is provided with a first thread 4, the inner annular surfaces of the first annular plate 3 are provided with a second thread 12, the first annular plate 3 is in threaded connection with the shaft sleeve 1 through the first thread 4 and the second thread 12, the first thread 4 and the second thread 12 are arranged, the shaft sleeve 1 and the first annular plate 3 are convenient to connect or disassemble, an angular contact ball bearing body 2 is sleeved at the optical axis of the outer surface of the shaft sleeve 1, two sliding sleeves 5 are clamped in the first annular plate 3, sliding rods 6 can be limited through the arrangement of the sliding sleeves 5, so that the sliding rods 6 have stability in the moving process, sliding rods 6 are connected in the sliding sleeves 5 in a sliding mode, opposite ends of the sliding rods 6 on the front side and the rear side are respectively and fixedly connected with two annular grooves 11, the outer surface of the sliding rods 6 is sleeved with a first spring 7, and two ends of the first spring 7 are respectively and fixedly connected with the first annular plates 3 and the annular grooves 11, one end of a screw rod 9 can be in lap joint with one side of an annular groove 11 through traction of a spring I7, a thread sleeve 8 is clamped in the annular plate I3, the thread sleeve 8 is in threaded connection with the screw rod 9, opposite ends of the two screw rods 9 are respectively in lap joint with the back faces of the two annular grooves 11, the screw rod 9 is connected through rotation of a nut 10, the annular groove 11 can be pushed through the screw rod 9, a sealing gasket 18 can be driven to move through the annular groove 11 until the sealing gasket 18 is attached to the angular contact ball bearing body 2, the nut 10 is fixedly connected to the back faces of the two screw rods 9, the screw rod 9 can be rotated by a tool through the nut 10, an annular plate II 17 is connected in the annular groove 11 in a sliding mode, openings I are formed in the front side wall and the rear side wall of the annular groove 11, an opening II is formed in the annular plate II 17, and one side of the annular plate II 17 and one side of the annular groove 11 is fixedly connected with a fixing rod I14 and a fixing rod II 16 respectively, the first annular plate 17 is moved through the first fixing rod 14, the first opening is overlapped with the second opening, so that engine oil can be directly filled into the angular contact ball bearing body 2 through the first opening and the second opening, the first fixing rod 14 and the second fixing rod 16 are respectively fixedly connected with the two ends of the second spring 15, the other end of the first fixing rod 14 penetrates through the first opening, two threaded holes 13 are formed in the shaft sleeve 1, bolts 19 are connected to the threaded holes 13 in an internal thread mode, sealing gaskets 18 are arranged on the opposite surfaces of the two annular grooves 11, the sealing gaskets 18 are matched with the angular contact ball bearing body 2, and the angular contact ball bearing body 2 can be sealed through the sealing gaskets 18.

The method comprises the following operation steps:

rotate screw rod 9 through nut 10, can promote annular groove 11 through screw rod 9, can drive sealed 18 removal of filling up through annular groove 11, until sealed 18 and the laminating of angular contact ball bearing body 2 of filling up, can seal angular contact ball bearing body 2 through sealed 18, through the traction of spring 7, can make one end of screw rod 9 and one side of annular groove 11 keep the overlap joint, remove annular plate two 17 through dead lever one 14, make opening one and two coincidences of opening, thereby alright directly to annotate machine oil in the angular contact ball bearing body 2 through opening one and opening two, rotatory bolt 19, make bolt 19's one end and pivot surface joint, thereby can improve the fastness that axle sleeve 1 and pivot are connected.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a based on angular contact ball bearing is with sealed axle sleeve, includes axle sleeve (1) and annular plate one (3), its characterized in that: two screw threads I (4) are arranged on the outer surface of the shaft sleeve (1), two screw threads II (12) are arranged on the inner annular surface of the annular plate I (3), the annular plate I (3) is in threaded connection with the shaft sleeve (1) through the screw threads I (4) and the screw threads II (12), an angular contact ball bearing body (2) is sleeved on the outer surface optical axis of the shaft sleeve (1), two sliding sleeves (5) are connected in the annular plate I (3) in a clamping mode, sliding rods (6) are connected in the sliding sleeves (5) in a sliding mode, and opposite ends of the sliding rods (6) on the front side and the rear side are fixedly connected with the two annular grooves (11) respectively.

2. The seal bushing for angular contact ball bearing according to claim 1, wherein: the outer surface of the sliding rod (6) is sleeved with a first spring (7), and two ends of the first spring (7) are fixedly connected with the first annular plate (3) and the annular groove (11) respectively.

3. The seal bushing for angular contact ball bearing according to claim 1, wherein: threaded sleeve (8) have been pegged graft in annular plate (3), and threaded sleeve (8) internal thread connection has screw rod (9), and the looks back overlap joint with two ring channels (11) respectively of the looks remote site of two screw rods (9), and the equal fixedly connected with nut (10) in the back of the body of two screw rods (9) mutually.

4. The seal bushing for angular contact ball bearing according to claim 1, wherein: and the annular groove (11) is internally and slidably connected with an annular plate II (17), an opening I is formed in each of the front side wall and the rear side wall of the annular groove (11), an opening II is formed in the annular plate II (17), and one side of the annular plate II (17) and one side of the annular groove (11) are respectively and fixedly connected with a first fixing rod (14) and a second fixing rod (16).

5. The seal bushing for angular contact ball bearing according to claim 4, wherein: the first fixing rod (14) and the second fixing rod (16) are fixedly connected with two ends of the second spring (15) respectively, and the other end of the first fixing rod (14) penetrates through the first opening.

6. The seal bushing for angular contact ball bearing according to claim 1, wherein: two threaded holes (13) are formed in the shaft sleeve (1), and bolts (19) are connected with the threaded holes (13) in an internal thread mode.

7. The seal bushing for angular contact ball bearing according to claim 1, wherein: and sealing gaskets (18) are arranged on the opposite surfaces of the two annular grooves (11), and the sealing gaskets (18) are matched with the angular contact ball bearing body (2).