CN214788632U

CN214788632U - Bearing adapter sleeve convenient to fix

Info

Publication number: CN214788632U
Application number: CN202120921595.XU
Authority: CN
Inventors: 姜忠熙
Original assignee: Ningbo Eurotec Precision Industry Co ltd
Current assignee: Ningbo Eurotec Precision Industry Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-19
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a bearing adapter sleeve convenient to fix, relating to the technical field of bearing adapter sleeves, comprising a shaft sleeve and a fixed sleeve, wherein the shaft sleeve is sleeved on a shaft and used for installing a bearing, and the fixed sleeve is installed at one end of the shaft sleeve; the inner ring of the fixed sleeve is provided with at least one slot, the slot enables the inner ring of the fixed sleeve to form a compression block, one end of the compression block is connected with the fixed sleeve, the other end of the compression block is suspended, the outer ring of the fixed sleeve is provided with a set screw, and the compression block can be extruded by screwing the set screw, so that the compression block is further compressed and abutted against the shaft sleeve; the bearing adapter sleeve convenient to fix has a simple structure, and compared with the mode that the clamping groove of the nut on the adapter sleeve needs to be limited through a clamping piece in the prior art, the utility model adopts the design of the movable pressing block, and the adapter sleeve is correspondingly matched with the clamping screw through the clamping screw, so that the fixation of the adapter sleeve is very conveniently realized; the design that can also adopt a plurality of compact heap plays the synchronization to the great axle of diameter.

Description

Bearing adapter sleeve convenient to fix

Technical Field

The utility model belongs to the technical field of bearing adapter sleeve technique and specifically relates to a fixed convenient bearing adapter sleeve.

Background

In the existing mechanical structure, a taper sleeve bearing is widely applied due to the unique structure, the taper sleeve bearing comprises a bearing and a fastening sleeve, and the taper sleeve bearing is used in a group, wherein an inner hole of the bearing is designed into a taper hole, the fastening sleeve is arranged in the taper hole to realize the static matching state of a shaft and the bearing, and the fastening sleeve is the most commonly used part when the bearing with the taper hole is positioned on a cylindrical shaft, and the taper sleeve can be used for an optical axis or a stepped shaft; the adapter sleeve is used for installing the rotating shaft in a positioning mode on a tool fitting inside the bearing, and the shaft and the bearing can be tightly matched and conveniently detached through the adapter sleeve. The current tight cover of deciding is in the use, need carry on spacingly through the draw-in groove of a buckle piece nut on with the tight cover, because of its quantity is limited, can not guarantee that any angle can both fix, need tighten a bit more or the pine bit can guarantee that buckle piece and draw-in groove correspond the joint most of the time, influence the fixed effect of bearing.

The quick detachable adapter sleeve disclosed in the Chinese invention patent CN106944972A comprises an adapter sleeve, an adapter sleeve and slots, wherein a narrow groove is formed in one side of the adapter sleeve, a wide groove is formed below the narrow groove and is communicated with the narrow groove, the adapter sleeve is in threaded connection with one side of the adapter sleeve close to the bottom end, notches are formed in the outer wall of the adapter sleeve, four groups of notches are formed in the four groups of notches, the four groups of notches are circularly and uniformly distributed on the outer side of the adapter sleeve, a bolt hole is formed in one side of the adapter sleeve, a fastening screw is in threaded connection with the center of the bolt hole, a protective gasket is welded on one side of the fastening screw, and the slots are formed in the outer wall of the adapter sleeve; the adapter sleeve of the invention can not ensure that the fixing can be carried out at any angle.

SUMMERY OF THE UTILITY MODEL

First, technical problem to be solved

The utility model discloses an above-mentioned defect to prior art existence especially provides a fixed convenient bearing adapter sleeve, solves the unable problem of fixing in the most suitable position of current bearing adapter sleeve.

Second, technical scheme

In order to solve the technical problem, the bearing adapter sleeve convenient to fix provided by the utility model comprises a shaft sleeve and a fixing sleeve, wherein the shaft sleeve is sleeved on a shaft and used for installing a bearing, and the fixing sleeve is installed at one end of the shaft sleeve;

the fixed cover is internally provided with at least one slot, the slot enables the inner ring of the fixed cover to form a pressing block, one end of the pressing block is connected with the fixed cover, the other end of the pressing block is suspended, the outer ring of the fixed cover is provided with a set screw, and the pressing block can be pressed by screwing the set screw, so that the pressing block and the shaft sleeve are further pressed and abutted.

The shaft sleeve is provided with an axial groove, a bearing sleeving end and a fixed end, the bearing sleeving end is conical, the diameter of the bearing sleeving end close to the fixed end is smaller than that of the bearing sleeving end far away from the fixed end, and the fixed end is in threaded connection with the fixed sleeve.

Wherein, the fluting includes a section of arc wall to and a section separates the groove.

Wherein, the arc-shaped groove and the fixed sleeve are in the same circle center.

Wherein, a gasket is arranged in the slot.

Wherein, the gasket is a wedge-shaped gasket.

Wherein, fluting quantity is 3, and the equipartition is sheathe in the fixed to form 3 compact heap, every compact heap all is equipped with holding screw in the fixed cover outer lane correspondence.

The bearing adapter sleeve convenient to fix provided by the utility model comprises a shaft sleeve and a fixed sleeve, wherein the shaft sleeve is sleeved on a shaft and used for installing a bearing, and the fixed sleeve is installed at one end of the shaft sleeve;

the inner ring of the fixed sleeve is provided with a movable pressing block through the slotting, the outer ring of the fixed sleeve is provided with a set screw, and the pressing block can be pressed through screwing the set screw, so that the pressing block is further pressed and abutted against the shaft sleeve;

the open slot comprises an arc-shaped slot and two partition slots at two sides of the arc-shaped slot.

Third, beneficial effect

Compared with the prior art, the bearing adapter sleeve convenient to fix has a simple structure, and compared with the mode that the clamping groove of the nut on the adapter sleeve needs to be limited through a clamping piece in the prior art, the utility model adopts the design of the movable pressing block, and the fixing of the adapter sleeve is conveniently realized through the corresponding matching of the fastening screw and the clamping block;

to the great axle of diameter, can also adopt the design of a plurality of compact heap to play the synchronization action, have fine commonality, adopt this design simultaneously can make the bearing tight fit fix in the most suitable position and fix.

Drawings

FIG. 1 is a perspective view of a bearing adapter sleeve of the present invention;

fig. 2 is a structural view of a fixing sleeve in embodiment 2 of the present invention;

fig. 3 is a structural view of the fixing sleeve of embodiment 1 of the present invention;

fig. 4 is a structural view of a fixing sleeve in embodiment 3 of the present invention;

in the figure: 2 is a shaft sleeve; 3 is a fixed sleeve; 4, axially slotting; 5 is a bearing sleeve connection end; 6 is a fixed end; 7, slotting; 8 is a pressing block; 9 is a fastening screw; 10 is a gasket; 11 is an arc-shaped groove; 12 is a separating groove.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1 and 3, the bearing adapter sleeve convenient to fix comprises a shaft sleeve 2 and a fixing sleeve 3, the shaft sleeve 2 is sleeved on a shaft and used for mounting a bearing, and the fixing sleeve 3 is mounted at one end of the shaft sleeve 2;

fixed cover 3 is inside to be equipped with an at least fluting 7, fluting 7 makes fixed cover 3 inner circle form a compact heap 8, compact heap 8 one end is connected with fixed cover 3, the compact heap 8 other end is unsettled, fixed cover 3 outer lane is equipped with a holding screw 9, compact heap 8 can be extruded through twisting holding screw 9 soon, make compact heap 8 and axle sleeve 2 further compress tightly the butt, specifically speaking, in this embodiment, fluting 7 includes one section arc wall 11, and one section rupture groove 12, and arc wall 11 is same centre of a circle with fixed cover 3, through the design of this fluting 7, make when twisting holding screw 9 extrusion compact heap 8 soon, can make compact heap 8 carry out deformation to a certain extent, thereby it is fixed with axle sleeve 2 locking through fixed cover 3, and then fixing bearing.

As shown in fig. 1, the shaft sleeve 2 is provided with an axial slot 4, a bearing sleeved end 5 and a fixed end 6, the bearing sleeved end 5 is conical, the diameter of the bearing sleeved end 5 close to the fixed end 6 is smaller than that of the bearing sleeved end far away from the fixed end 6, and the fixed end 6 is in threaded connection with the fixed sleeve 3.

In this embodiment, be equipped with gasket 10 in the fluting 7 to gasket 10 is the wedge gasket, makes holding screw 9 more even to the pressure of compact heap 8 through gasket 10 on the one hand, increase of service life, and establishes into the wedge with gasket 10, further improves and compresses tightly fixed effect.

Example 2:

compared with embodiment 1, in this embodiment, as shown in fig. 2, for a shaft with a large diameter, the number of the slots 7 is 3, the slots are uniformly distributed on the fixing sleeve 3, and 3 pressing blocks 8 are formed, and each pressing block 8 is correspondingly provided with a fastening screw 9 on the outer ring of the fixing sleeve 3.

Example 3:

as shown in fig. 4, compared with embodiment 1, in this embodiment, the bearing adapter sleeve convenient to fix includes a shaft sleeve 2 and a fixing sleeve 3, the shaft sleeve 2 is sleeved on the shaft and used for mounting the bearing, and the fixing sleeve 3 is mounted at one end of the shaft sleeve 2;

the inner part of the fixed sleeve 3 is provided with at least one slot 7, the slot 7 enables the inner ring of the fixed sleeve 3 to form a movable pressing block 8, the outer ring of the fixed sleeve 3 is provided with a set screw 9, and the pressing block 8 can be pressed by screwing the set screw 9, so that the pressing block 8 is further pressed and abutted against the shaft sleeve 2;

as shown in fig. 1, the slot 7 includes a segment of arc-shaped slot 11 and two segments of partition slots 12 on both sides of the arc-shaped slot 11, i.e. the movable range of the pressing block 8 is larger.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The bearing adapter sleeve convenient to fix is characterized by comprising a shaft sleeve (2) and a fixing sleeve (3), wherein the shaft sleeve (2) is sleeved on a shaft and used for mounting a bearing, and the fixing sleeve (3) is mounted at one end of the shaft sleeve (2);

fixed cover (3) inside is equipped with an at least fluting (7), fluting (7) makes fixed cover (3) inner circle forms a compact heap (8), compact heap (8) one end is connected with fixed cover (3), compact heap (8) other end is unsettled, fixed cover (3) outer lane is equipped with a holding screw (9), through revolving soon holding screw (9) can extrude compact heap (8), makes compact heap (8) and fixed cover (3) further compress tightly the butt.

2. A conveniently fixed bearing adapter sleeve according to claim 1, wherein the shaft sleeve (2) is provided with an axial slot (4), a bearing sleeve end (5) and a fixed end (6), the bearing sleeve end (5) is conical, the diameter of the bearing sleeve end (5) near the fixed end (6) is smaller than that of the bearing sleeve end far from the fixed end (6), and the fixed end (6) is in threaded connection with the fixed sleeve (3).

3. A fastening-facilitating bearing adapter sleeve according to claim 1, characterized in that the slot (7) comprises an arc-shaped slot (11) and a partition slot (12).

4. A conveniently fixed bearing adapter sleeve according to claim 3, characterized in that said arc-shaped slot (11) is concentric with the fixing sleeve (3).

5. A fastening-facilitating bearing adapter sleeve according to claim 1, characterized in that a gasket (10) is provided in the slot (7).

6. A fastening facilitating bearing adapter sleeve according to claim 5, characterized in that the shim (10) is a wedge-shaped shim.

7. A conveniently fixed bearing adapter sleeve according to claim 1, characterized in that said slots (7) are 3 in number, are uniformly distributed on said sleeve (3) and form 3 compression blocks (8), each compression block (8) being provided with a corresponding set screw (9) on the outer ring of the sleeve (3).

8. The bearing adapter sleeve convenient to fix is characterized by comprising a shaft sleeve (2) and a fixing sleeve (3), wherein the shaft sleeve (2) is sleeved on a shaft and used for mounting a bearing, and the fixing sleeve (3) is mounted at one end of the shaft sleeve (2);

at least one slot (7) is formed in the fixed sleeve (3), the slot (7) enables the inner ring of the fixed sleeve (3) to form a movable pressing block (8), a set screw (9) is arranged on the outer ring of the fixed sleeve (3), and the pressing block (8) can be pressed by screwing the set screw (9), so that the pressing block (8) is further pressed and abutted against the shaft sleeve (2);

the open groove (7) comprises an arc-shaped groove (11) and two partition grooves (12) at two sides of the arc-shaped groove (11).