CN207724233U - Bearing inner ring detaching device - Google Patents
Bearing inner ring detaching device Download PDFInfo
- Publication number
- CN207724233U CN207724233U CN201820091322.5U CN201820091322U CN207724233U CN 207724233 U CN207724233 U CN 207724233U CN 201820091322 U CN201820091322 U CN 201820091322U CN 207724233 U CN207724233 U CN 207724233U
- Authority
- CN
- China
- Prior art keywords
- fixing piece
- bearing inner
- outer ring
- mounting portion
- mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model discloses a kind of bearing inner ring detaching devices, including outer ring fixing piece, the second fixing piece, mounting portion and driving portion, outer ring fixing piece is arranged by the second fixing piece in mounting portion front end, outer ring fixing piece is provided with multiple, mounting portion rear end is provided with driving portion, driving portion is equipped with threaded hole and driving bolt, threaded hole and driving bolt are equipped with mutually matched screw thread, the bearing inner ring detaching device that the utility model provides a kind of reasonable for structure, convenient disassembly, is applicable in different model bearing.
Description
Technical field
The utility model is related to mechanical mounting or dismounting tools fields, are more particularly to a kind of bearing inner ring detaching device.
Background technology
It is very universal in the application of machinery field middle (center) bearing, but for the bearing outer ring being installed in hole and be set in
The dismounting of bearing inner race in axis class is more inconvenient, and the method for generally use has three classes：1, hammering method, using tool directly or
Tap indirectly and be allowed to fall in the outer ring of bearing or inner ring, but this method have a defect that be only applicable to through-hole or
Person both ends do not have the axis of other parts；2, patterning method, using cutting equipment by the outer ring of bearing or inner ring, this method exists
Defect can not effectively control the installation part of not cut wound bearing when being using cutting equipment；3, heating, to bearing outer ring or
Person's inner ring position is heated, and is allowed to expanded by heating, you can fall off, this method has a defect that the installation part due to bearing is also
Metal heated also to expand, dismounting effect is bad.
Utility model content
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of reasonable for structure, convenient disassembly, be applicable in
The bearing inner ring detaching device of different model bearing.
One side according to the present utility model, provides bearing inner ring detaching device, including outer ring fixing piece, second solid
Determine part, mounting portion and driving portion, outer ring fixing piece is arranged by the second fixing piece in mounting portion front end, and outer ring fixing piece is provided with
Multiple, mounting portion rear end is provided with driving portion, and driving portion is equipped with threaded hole and driving bolt, is set on threaded hole and driving bolt
There is mutually matched screw thread, bearing inner race is fixed by outer ring fixing piece, withstands shaft end using driving bolt and push ahead, profit
Bearing inner race is easily dismantled with uniform screw drives.
In some embodiments, outer ring fixing piece is equipped with the first fixing piece, the first mounting hole and fixing groove, and second is solid
Determine part and be fastened in fixing groove to be fixedly connected with mounting portion by the first mounting hole, convenient for connecting into outer ring fixing piece with mounting portion
One entirety.
In some embodiments, the second fixing piece be equipped with the second mounting hole and bolt, bolt pass through the second mounting hole and
First mounting hole is fixedly connected, convenient for outer ring fixing piece and mounting portion are connected into an entirety.
In some embodiments, mounting portion is tubulose, and one end of mounting portion is equipped with the third mounting hole other end and is equipped with the
Four mounting holes, the second fixing piece are mounted in third mounting hole, and the thickness of the second fixing piece is more than the thickness of mounting portion tube wall, just
In outer ring fixing piece and mounting portion are connected into an entirety.
In some embodiments, driving portion is mounted in the 4th mounting hole, is convenient for driving portion impeller-hub, is easily removed
Bearing inner race.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model bearing inner ring detaching device；
Fig. 2 is the assembling schematic diagram of the utility model bearing inner ring detaching device；
Fig. 3 is the sectional view in the directions A-A in Fig. 2.
Specific implementation mode
The utility model is further described With reference to embodiment.
It is fixed as shown in Figure 1, a kind of bearing inner ring detaching device described in the utility model includes outer ring fixing piece 1, second
Part 2, mounting portion 3 and driving portion 4, outer ring fixing piece 1 are fixedly mounted on 3 front end of mounting portion by the second fixing piece 2, and outer ring is fixed
Part 1 be equipped with it is several, 3 rear end of mounting portion is provided with driving portion 4.Outer ring fixing piece 1 is typically provided 3-5 and is evenly distributed on mounting portion
In 3 inside circumferences.
Outer ring fixing piece 1 is equipped with the first fixing piece 11, the first mounting hole 12 and fixing groove 13, the engaging of the second fixing piece 2
Mounting portion is fixedly connected with by the first mounting hole 12 in fixing groove 13, outer ring fixing piece 1 is arranged to justify with 3 inner tubal wall of mounting portion
Fitting it is arc-shaped, high spot of first fixing piece 11 in 1 inside circular arc protrusion of outer ring fixing piece, the first fixing piece 11 with
Ball grooves fitting on bearing inner race.This dismountable first fixing piece 11 can be arranged to not according to the difference of bearing designation
Same size, in order to the dismounting suitable for no bearing inner race.
Second fixing piece 2 is equipped with the second mounting hole 21 and bolt 22.Mounting portion 3 is tubulose, and one end of mounting portion 3 is equipped with the
Three mounting holes, 31 other end is equipped with the 4th mounting hole 32, and the second fixing piece 2 is mounted in third mounting hole 31, the second fixing piece 2
Thickness be more than 3 tube wall of mounting portion thickness.The shape of third mounting hole 31 is consistent with 2 shape of the second fixing piece, and second fixes
Part 2 is mounted in third mounting hole 31, since the second fixing piece 2 is thicker, is had part and is protruded in 3 inner wall of mounting portion, protrusion
Part is fastened in the fixing groove 13 on outer ring fixing piece 1, and bolt 22 passes through the second mounting hole 21 and the first mounting hole 12 to fix
Connection makes outer ring fixing piece 1 connect into an entirety with mounting portion 2.
Driving portion 4 is equipped with threaded hole 41 and driving bolt 42, and threaded hole 41 and driving bolt 42 are equipped with and cooperate
Screw thread.Optimal 4th mounting hole 32 is that symmetrical two the 4th mounting holes 32 are arranged on mounting portion 3, by driving portion when installation
4 are inserted directly into two the 4th mounting holes 32, and the both ends of driving portion 4 are exposed independent from the 4th mounting hole 32, are convenient for stress；By long-term
Using threaded hole 41 and driving bolt 42 coordinate screw thread can wear, be conveniently replaceable driving portion 4.
As shown in Figures 2 and 3, the second fixing piece 2 is inserted into third mounting hole 31 first when use and protruded in mounting portion 3
The part of inner wall, protrusion is fastened in the fixing groove 13 on outer ring fixing piece 1, and bolt 22 is pacified across the second mounting hole 21 and first
Dress hole 12 is fixedly connected, and outer ring fixing piece 1 is made to connect into an entirety with mounting portion 2, and driving portion 4 is then inserted into two the 4th
In mounting hole 32, the both ends of driving portion 4 are exposed independent from the 4th mounting hole 32, and driving bolt 42 is finally screwed in threaded hole 41, makes drive
Dynamic bolt 42 withstands bearing inner race installation axle, and continues rotation driving bolt 42 and drive bearing inner race installation axle de- with bearing inner race
From during whole dismounting, bearing inner race is opposing stationary, and tearing open for bearing inner race is realized in driving bearing inner race installation axle movement
It unloads.
Using the technical program, the position of stress is mainly the first fixing piece 11 and driving portion 4, to bearing inner race installation axle
It will not have an impact, not interfere with installing and using again.
Above-described is only some embodiments of the utility model, it is noted that for the ordinary skill of this field
For personnel, under the premise of not departing from the concept of the utility model, other modification and improvement can also be made, these are all
Belong to the scope of protection of the utility model.
Claims (5)
1. bearing inner ring detaching device, including outer ring fixing piece (1), the second fixing piece (2), mounting portion (3) and driving portion (4),
The outer ring fixing piece (1) is arranged by the second fixing piece (2) in mounting portion (3) front end, and the outer ring fixing piece (1) is provided with
Multiple, mounting portion (3) rear end is provided with driving portion (4), and the driving portion (4) is equipped with threaded hole (41) and driving bolt
(42), the threaded hole (41) and driving bolt (42) are equipped with mutually matched screw thread.
2. bearing inner ring detaching device according to claim 1, which is characterized in that the outer ring fixing piece (1) is equipped with
First fixing piece (11), the first mounting hole (12) and fixing groove (13), second fixing piece (2) are fastened in fixing groove (13)
It is fixedly connected with mounting portion (3) by the first mounting hole (12).
3. bearing inner ring detaching device according to claim 2, which is characterized in that second fixing piece (2) is equipped with the
Two mounting holes (21) and bolt (22), the bolt (22) pass through the second mounting hole (21) and the fixed company of the first mounting hole (12)
It connects.
4. bearing inner ring detaching device according to claim 3, which is characterized in that the mounting portion (3) is tubulose, described
One end of mounting portion (3) is equipped with third mounting hole (31) other end and is equipped with the 4th mounting hole (32), the second fixing piece (2) peace
In third mounting hole (31), the thickness of second fixing piece (2) is more than the thickness of mounting portion (3) tube wall.
5. bearing inner ring detaching device according to claim 4, which is characterized in that the driving portion (4) is mounted on the 4th
In mounting hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091322.5U CN207724233U (en) | 2018-01-19 | 2018-01-19 | Bearing inner ring detaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091322.5U CN207724233U (en) | 2018-01-19 | 2018-01-19 | Bearing inner ring detaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207724233U true CN207724233U (en) | 2018-08-14 |
Family
ID=63083007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820091322.5U Expired - Fee Related CN207724233U (en) | 2018-01-19 | 2018-01-19 | Bearing inner ring detaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207724233U (en) |
-
2018
- 2018-01-19 CN CN201820091322.5U patent/CN207724233U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20190119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |