CN112628288A - High-smoothness spacer bush - Google Patents
High-smoothness spacer bush Download PDFInfo
- Publication number
- CN112628288A CN112628288A CN202011303045.8A CN202011303045A CN112628288A CN 112628288 A CN112628288 A CN 112628288A CN 202011303045 A CN202011303045 A CN 202011303045A CN 112628288 A CN112628288 A CN 112628288A
- Authority
- CN
- China
- Prior art keywords
- spacer
- connecting seat
- spacer bush
- bush
- seat
- 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.)
- Pending
Links
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 134
- 230000003746 surface roughness Effects 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 7
- 239000003082 abrasive agent Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the technical field of mechanical accessories, in particular to a high-smoothness spacer bush, which comprises an outer spacer bush, wherein a first connecting seat is arranged on the left side inside the outer spacer bush, limiting seats are symmetrically arranged on the upper and lower sides of the inner wall of the outer spacer bush, a second connecting seat is arranged on the right side inside the outer spacer bush through the limiting seats, an inner spacer bush is arranged inside the outer spacer bush through the first connecting seat and the second connecting seat, threaded through holes are uniformly formed in the cross section of the inner spacer bush, a positioning spacer bush is arranged on the right side of the inner spacer bush in the length direction, a workpiece shaft is arranged inside the inner spacer bush and the positioning spacer bush, magnetic grinding and polishing are adopted through the outer spacer bush, the inner spacer bush and the positioning spacer bush, magnetic grinding and polishing are realized by forming an abrasive brush under the action of a magnetic field by using magnetic abrasives, and the workpiece is ground and processed, so that the method has high, the working condition is good, the proper abrasive material is adopted, the surface roughness can reach Ra0.1 mu m, and the flatness and the smoothness of the whole surface are high.
Description
Technical Field
The invention relates to the technical field of mechanical parts, in particular to a high-smoothness spacer bush.
Background
The bearing clearance is also called bearing clearance, which is the amount of movement when a bearing is not mounted on a shaft or a bearing housing, the bearing clearance being the amount of movement when one of the inner ring or the outer ring is fixed and then the other is moved in the radial direction or the axial direction. According to the direction of movement, radial play and axial play can be divided. The magnitude of the play during operation (referred to as the working play) has an influence on the rolling fatigue life of the bearing, the temperature rise, the noise, the vibration, and other properties. In the middle of the installed bearing (angular contact bearing), in order to be able to adjust the play and the preload of the bearing, a spacer with high smoothness is therefore required to improve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a spacer bush with high smoothness so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high smooth degree spacer, includes outer spacer, the inside left side of outer spacer is provided with first connecting seat, the inner wall longitudinal symmetry of outer spacer is provided with spacing seat, the second connecting seat is installed through spacing seat in the inside right side of outer spacer, the inner spacer is installed through first connecting seat and second connecting seat in the inside of outer spacer, the threaded through-hole has evenly been seted up in the cross-section of inner spacer, the inner spacer is provided with the location spacer along the length direction right side, the internally mounted of inner spacer and location spacer has the work piece axle.
Preferably, one fifth of second connecting seat is located the outside setting of outer spacer, the second connecting seat is the semicircle type structure setting.
Preferably, the limiting seat is arranged in a right-angled triangle structure.
Preferably, the side surface of the first connecting seat, the inclined surface of the limiting seat and the side surface of the second connecting seat are in adaptive structure arrangement.
Preferably, the depth of the first connecting seat is one half of the depth of the outer spacer, and the depth of the second connecting seat is three quarters of the depth of the outer spacer.
Preferably, the left section of the positioning spacer bush along the length direction is provided with a threaded through hole corresponding to the inner spacer bush.
Preferably, the inner spacer sleeve is matched with the first connecting seat, the limiting seat and the second connecting seat to form an annular groove.
Preferably, the inner spacer sleeve is connected with the positioning spacer sleeve through a threaded through hole by using a connecting bolt.
Preferably, the outer spacer bush, the inner spacer bush and the positioning spacer bush are all polished by magnetic grinding, and the surface roughness can reach Ra0.1 μm.
Preferably, the inner arc central angle of the cross section of the first connecting seat passing through the circle center is 90 °, and the outer arc central angle of the cross section of the first connecting seat passing through the circle center is 105 °.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the spacer bush is arranged in the middle of the oppositely-arranged bearing (angular contact bearing), the play and the prepressing of the bearing can be adjusted, the spacer bush is arranged outside the bearing, the force of the locking nut pressing the inner ring of the bearing can be more uniform, the bearing can be protected from being damaged, the nut can be screwed in a more abundant space during installation, and the function of pressing the nut by a flat cushion is similar to that of a common nut; on the other hand, an oil seal can be arranged outside the spacing ring, the shaft is protected from being abraded by the oil seal, magnetic grinding and polishing are adopted by the outer spacing sleeve, the inner spacing sleeve and the positioning spacing sleeve, magnetic grinding and polishing are to form an abrasive brush under the action of a magnetic field by utilizing magnetic abrasives, and a workpiece is ground and processed.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a view showing a part of the connection structure of the present invention;
FIG. 3 is a front view of the overall outer spacer of the present invention;
FIG. 4 is a rear view structural view of the integral outer cup of the present invention;
FIG. 5 is a schematic view of an inner spacer sleeve according to the present invention;
FIG. 6 is a view showing the construction of the positioning spacer bush connected to the workpiece shaft according to the present invention;
FIG. 7 is a plan view of the outer cup of the present invention.
In the figure: 1-outer spacer bush, 2-first connecting seat, 3-limiting seat, 4-second connecting seat, 5-inner spacer bush, 6-threaded through hole, 7-positioning spacer bush and 8-workpiece shaft.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example (b): referring to fig. 1-7, a spacer with high smoothness comprises an outer spacer 1, a first connecting seat 2 is arranged on the left side inside the outer spacer 1, limiting seats 3 are symmetrically arranged on the upper and lower sides of the inner wall of the outer spacer 1, a second connecting seat 4 is arranged on the right side inside the outer spacer 1 through the limiting seats 3, an inner spacer 5 is arranged inside the outer spacer 1 through the first connecting seat 2 and the second connecting seat 4, threaded through holes 6 are uniformly formed in the cross section of the inner spacer 5, a positioning spacer 7 is arranged on the right side of the inner spacer 5 in the length direction, a workpiece shaft 8 is arranged inside the inner spacer 5 and the positioning spacer 7, the spacer is arranged in the middle of a bearing (angular contact bearing) which is oppositely arranged, so that the clearance and the pre-pressing of the bearing can be adjusted, the spacer is arranged outside the bearing, the force of a lock nut pressing the inner ring of the bearing is relatively uniform through the spacer, and the bearing can be protected from damage, when the nut is installed, the nut is screwed in a sufficient space, and the action of pressing the nut by a flat gasket is similar to that of a common nut when a wrench is used; on the other hand, an oil seal can be arranged outside the spacing ring, the shaft is protected from being abraded by the oil seal, magnetic grinding and polishing are adopted by the outer spacing sleeve 1, the inner spacing sleeve 5 and the positioning spacing sleeve 7, magnetic grinding and polishing are to form an abrasive brush under the action of a magnetic field by using magnetic abrasives, and a workpiece is ground and processed.
Example (b): referring to fig. 3-4, one fifth of the second connecting seats 4 is located outside the outer spacer 1, and the second connecting seats 4 are arranged in a semicircular structure; the limiting seat 3 is arranged in a right-angled triangle structure; the side surface of the first connecting seat 2, the inclined surface of the limiting seat 3 and the side surface of the second connecting seat 4 are arranged in an adaptive structure; the depth of the first connecting seat 4 is one half of the depth of the outer spacer bush 1, the depth of the second connecting seat 4 is three quarters of the depth of the outer spacer bush 1, and a threaded through hole 6 is formed in the left section of the positioning spacer bush 7 along the length direction and corresponds to the inner spacer bush 5; the inner spacer 5 is matched with the first connecting seat 2, the limiting seat 3 and the second connecting seat 4 to form an annular groove; inner spacer 5 adopts connecting bolt to be connected with location spacer 7 through threaded through-hole 6, through the first connecting seat 2 that sets up, second connecting seat 4 and spacing seat 4 set up with the outer wall adaptation structure of inner spacer 5, can make inner spacer 5 and outer spacer 1's installation suitability and connection stability height, adopt connecting bolt to be connected through the inner spacer 5 that sets up and location spacer 7, can let location spacer 7 stabilize spacing to work piece axle 8, it is high to improve the stability of work piece axle 8 installation.
Example (b): referring to fig. 1-7, the outer spacer 1, the inner spacer 5 and the positioning spacer 7 are all polished by magnetic grinding, the surface roughness can reach ra0.1 μm, the inner arc center angle of the first connecting seat 2 passing through the section of the circle center is 90 °, the outer arc center angle of the first connecting seat 2 passing through the section of the circle center is 105 °, the outer spacer 1, the inner spacer 5 and the positioning spacer 7 are all polished by magnetic grinding, the magnetic grinding and polishing are to form an abrasive brush under the action of a magnetic field by using magnetic abrasives, and the workpiece is ground.
The working process of the invention is as follows: when the device is used, the first connecting seat 2, the second connecting seat 4, the limiting seat 4 and the outer wall adaptive structure of the inner spacer 5 are arranged, so that the installation adaptability and the connection stability of the inner spacer 5 and the outer spacer 1 are high, the inner spacer 5 and the positioning spacer 7 are connected by adopting a connecting bolt, the positioning spacer 7 can stably limit a workpiece shaft 8, the installation stability of the workpiece shaft 8 is improved, the spacer is arranged in the middle of a butt-mounted bearing (angular contact bearing), the play and the prepressing of the bearing can be adjusted, the device is arranged outside the bearing, the force for tightly locking a nut to press an inner ring of the bearing can be more uniform through the spacer, the bearing can be protected from being damaged, a sufficient space is provided for screwing the nut during installation, and the function of pressing the wrench is similar to that a common nut is pressed by a flat gasket; on the other hand can adorn the oil blanket outside the space stop collar, also protected the axle not worn and torn by the oil blanket, through the first connecting seat 2 that sets up, second connecting seat 4 and spacing seat 4 set up with the outer wall adaptation structure of inner spacer 5, can make inner spacer 5 and outer spacer 1's installation suitability and connection stability height, adopt connecting bolt to be connected through the inner spacer 5 that sets up and location spacer 7, can let location spacer 7 stabilize spacingly to work piece axle 8, it is high to improve the stability of work piece axle 8 installation.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a high smoothness spacer, includes outer spacer (1), its characterized in that: the utility model discloses a spacer sleeve, including outer spacer sleeve (1), second connecting seat (4) are installed through spacing seat (3), the inside right side of outer spacer sleeve (1) is provided with first connecting seat (2), the inner wall longitudinal symmetry of outer spacer sleeve (1) is provided with spacing seat (3), the inside right side of outer spacer sleeve (1) is installed second connecting seat (4) through spacing seat (3), inner spacer sleeve (5) are installed through first connecting seat (2) and second connecting seat (4) to the inside of outer spacer sleeve (1), threaded through-hole (6) have evenly been seted up in the cross-section of inner spacer sleeve (5), inner spacer sleeve (5) are provided with location spacer sleeve (7) along the length direction right side, the internally mounted of inner spacer sleeve (5) and location spacer sleeve (7) has work.
2. A high smoothness spacer according to claim 1 wherein: one fifth of second connecting seat (4) is located the outside setting of outer spacer (1), second connecting seat (4) are the setting of semicircle type structure.
3. A high smoothness spacer according to claim 1 wherein: the limiting seat (3) is arranged in a right-angled triangle structure.
4. A high smoothness spacer according to claim 1 wherein: the side surface of the first connecting seat (2) is matched with the inclined surface of the limiting seat (3) and the side surface of the second connecting seat (4) in structure.
5. A high smoothness spacer according to claim 1 wherein: the depth of the first connecting seat (4) is one half of the depth of the outer spacer bush (1), and the depth of the second connecting seat (4) is three quarters of the depth of the outer spacer bush (1).
6. A high smoothness spacer according to claim 1 wherein: the left side section of the positioning spacer bush (7) along the length direction is provided with a threaded through hole (6) corresponding to the inner spacer bush (5).
7. A high smoothness spacer according to claim 1 wherein: the inner spacer sleeve (5) is matched with the first connecting seat (2), the limiting seat (3) and the second connecting seat (4) to form an annular groove.
8. A high smoothness spacer according to claim 1 wherein: the inner spacer sleeve (5) is connected with the positioning spacer sleeve (7) through a threaded through hole (6) by adopting a connecting bolt.
9. A high smoothness spacer according to claim 1 wherein: the outer spacer bush (1), the inner spacer bush (5) and the positioning spacer bush (7) are all polished by magnetic grinding, and the surface roughness can reach Ra0.1 mu m.
10. A high smoothness spacer according to claim 1 wherein: the inner arc central angle of the first connecting seat (2) passing through the section of the circle center is 90 degrees, and the outer arc central angle of the first connecting seat (2) passing through the section of the circle center is 105 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011303045.8A CN112628288A (en) | 2020-11-19 | 2020-11-19 | High-smoothness spacer bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011303045.8A CN112628288A (en) | 2020-11-19 | 2020-11-19 | High-smoothness spacer bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112628288A true CN112628288A (en) | 2021-04-09 |
Family
ID=75303657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011303045.8A Pending CN112628288A (en) | 2020-11-19 | 2020-11-19 | High-smoothness spacer bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112628288A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150098668A1 (en) * | 2013-10-08 | 2015-04-09 | Kice Industries, Inc. | Bearing assembly with spacer for locating a seal sleeve |
| CN106402167A (en) * | 2016-09-27 | 2017-02-15 | 邢建岭 | Plummer block of improved structure |
| CN206072140U (en) * | 2016-09-21 | 2017-04-05 | 东莞市埃弗米数控设备科技有限公司 | A kind of novel bearing pre-pressing structure |
| US20180163739A1 (en) * | 2016-12-12 | 2018-06-14 | Honeywell International Inc. | Turbocharger assembly |
| CN110985552A (en) * | 2019-12-26 | 2020-04-10 | 广州恩梯恩裕隆传动系统有限公司 | Tool for eliminating pre-tightening force of angular contact shaft |
-
2020
- 2020-11-19 CN CN202011303045.8A patent/CN112628288A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150098668A1 (en) * | 2013-10-08 | 2015-04-09 | Kice Industries, Inc. | Bearing assembly with spacer for locating a seal sleeve |
| CN206072140U (en) * | 2016-09-21 | 2017-04-05 | 东莞市埃弗米数控设备科技有限公司 | A kind of novel bearing pre-pressing structure |
| CN106402167A (en) * | 2016-09-27 | 2017-02-15 | 邢建岭 | Plummer block of improved structure |
| US20180163739A1 (en) * | 2016-12-12 | 2018-06-14 | Honeywell International Inc. | Turbocharger assembly |
| CN110985552A (en) * | 2019-12-26 | 2020-04-10 | 广州恩梯恩裕隆传动系统有限公司 | Tool for eliminating pre-tightening force of angular contact shaft |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |
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| RJ01 | Rejection of invention patent application after publication |