CN209262065U - It is a kind of with pre-tightening the linear bearing system of gap function of disappearing - Google Patents
It is a kind of with pre-tightening the linear bearing system of gap function of disappearing Download PDFInfo
- Publication number
- CN209262065U CN209262065U CN201821934744.0U CN201821934744U CN209262065U CN 209262065 U CN209262065 U CN 209262065U CN 201821934744 U CN201821934744 U CN 201821934744U CN 209262065 U CN209262065 U CN 209262065U
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- Prior art keywords
- hole
- bearing
- linear bearing
- ring
- mounting ring
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 55
- 230000004308 accommodation Effects 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
It is a kind of with pre-tightening the linear bearing system of gap function of disappearing comprising bearing mounting base and linear bearing.The bearing mounting base includes that card sets slot.The linear bearing includes mounting ring and sealing ring.The bearing body includes mounting ring accommodation groove and sealing ring setting position.The mounting ring accommodation groove radial thickness is greater than or equal to the maximum radial thickness of the mounting ring.The mounting ring is fastened on the card along the radial part of the through-hole and sets in slot when the mounting ring is arranged along the radial expansion of the through-hole and the linear bearing is mounted in the bearing mounting base, and rest part is accommodated in the mounting ring accommodation groove.Sealing ring setting position includes multiple spaced elastic gear pieces, and the maximum gauge of the sealing ring is greater than the diameter of the through-hole.This linear bearing system is fitted together the bearing mounting base with bearing body using the mounting ring.Simultaneously because can achieve the purpose for further eliminating gap under the action of sealing ring squeezes bearing gear piece.
Description
Technical field
The utility model belongs to technical field of bearings, especially a kind of with the linear bearing system for pre-tightening the gap function that disappears.
Background technique
In the mating application of generic linear bearing completed products, in bearing sleeve of the elder generation Product Assembly to matching, as
Fixed and positioning.Again to bearing bore diameter and diameter bearing major diameter fit it is mating after, carry out linear running work.But practical mating
In, bearing bore diameter is upper tolerance, and linear bearing outer diameter is lower tolerance, it is excessively loose sometimes in the two cooperation, and gap is excessive, makes
It will affect service performance precision in.Bearing bore diameter be lower tolerance, linear bearing be upper tolerance, the two cooperation when again compared with
Tightly, gapless not only consumes the excessive energy in use, and is easily damaged the external diameter surface roughness of linear bearing, thus also shadow
Ring its service performance.Meanwhile even if the precision of linear bearing and bearing block is very high, using a period of time, due to former linear bearing
Abrasion meeting between bearing so that the internal diameter gap between axis and bearing increases so that occur in motion process vibration,
Noise even not can guarantee linear precision, and then shorten service life, influence the service life of the other components of complete machine yet.
Utility model content
In view of this, the present invention provides a kind of the straight of gap function that disappear can be pre-tightened to avoid having for above-mentioned problem
Line bearing arrangement.
It is a kind of with pre-tightening the linear bearing system of gap function of disappearing comprising a bearing mounting base and an installation
Linear bearing in the bearing mounting base.The bearing mounting base includes a through-hole and a setting described logical
Card on hole sets slot.The linear bearing plugs in the through hole and including a bearing body, and one is set in the axis
Hold outer body mounting ring and at least one the sealing ring of the axial end portion of the bearing body is set.The bearing
Ontology includes an ontology, and a mounting ring accommodation groove being arranged on the outer body wall and at least one setting exist
Position is arranged in the sealing ring of the axial end portion of the ontology.The mounting ring accommodation groove is greater than or waits along the radial thickness of the through-hole
In the mounting ring along the maximum radial thickness of the through-hole.The card sets slot and is less than the peace along the radial thickness of the through-hole
Ring is filled along the maximum radial thickness of the through-hole.Radial expansion setting and the linear bearing of the mounting ring along the through-hole
The mounting ring is fastened on the card along the radial part of the through-hole and sets in slot when being mounted in the bearing mounting base,
Remaining part point is accommodated in the mounting ring accommodation groove.Sealing ring setting position includes multiple spaced elastic gear pieces, institute
The maximum gauge for stating sealing ring is greater than the diameter of the through-hole.
Further, described to block the center overlapping of axles for setting the central axis and the through-hole of slot.
Further, the center overlapping of axles of the central axis of the mounting ring accommodation groove and the through-hole.
Further, the mounting ring is a C-shaped ring.
Further, the mounting ring has multiple stretching structures along its peripheral direction, perpendicular to the mounting ring
Central axis section on, the stretching structure be V-arrangement, "the" shape, waveform.
Further, the mounting ring is greater than the outer diameter of the ontology in the minimum diameter of reset condition.
Further, the bearing body further includes multiple chip spaces being arranged on the ontology inner sidewall, Yi Jiduo
A supporting beam between any two chip space, the supporting beam and the elastic gear piece are integrally formed.
Further, on the section of the central axis perpendicular to the through-hole, the arc length of the supporting beam and the elasticity
The arc length of gear piece is equal.
Further, the cross section of the sealing ring is rectangular and including a clamping groove, and sealing ring setting position is L
Shape, the bearing body further include the clamping ring being coupled with the clamping groove.
Further, the sealing ring is O-ring, and sealing ring setting position is flute profile.
Compared with prior art, provided by the utility model that there is the linear bearing system for pre-tightening the gap function that disappears, it is installing
The mounting ring is reduced and is contained in the mounting ring accommodation groove by Shi Shouxian, it is made to be inserted into the bearing together with bearing body
The through-hole of mounting base, until the card that the mounting ring card sets the bearing mounting base is set in slot.Because the card sets slot along institute
The radial thickness for stating through-hole is less than the mounting ring along the maximum radial thickness of the through-hole, so that the mounting ring is along described logical
The radial part in hole is fastened on the card and sets in slot, and rest part is accommodated in the mounting ring accommodation groove, thus reach by
The purpose that the bearing mounting base and bearing body fit together.When the bearing body is installed into the bearing mounting base
Afterwards, since the maximum gauge of the sealing ring on the bearing body is greater than the diameter of the through-hole, so that it squeezes the interval
The elastic gear piece of setting and its press to the function of reaching on axis and eliminate gap.With axis and bearing bore diameter phase mutual friction, bearing sheet
The thickness of the elastic gear piece of body can reduce, but due to sealing ring under the action of, which still can be extruded in the axis, reach
The linear bearing system can also be improved to the further purpose for eliminating gap so as to achieve the purpose that extend bearing life
The stability of system.
Detailed description of the invention
Fig. 1 is the decomposition knot with the linear bearing system for pre-tightening the gap function that disappears that the utility model first embodiment provides
Structure schematic diagram.
The cross section structure schematic diagram with the linear bearing system for pre-tightening the gap function that disappears that Fig. 2 is Fig. 1.
Fig. 3 is that having for Fig. 1 pre-tightens the structure of another kind mounting ring possessed by the linear bearing system of gap function that disappears and show
It is intended to.
Fig. 4 is that having for Fig. 1 pre-tightens the structure of another kind mounting ring possessed by the linear bearing system of gap function that disappears and show
It is intended to.
Fig. 5 is that the structure with the linear bearing system for pre-tightening the gap function that disappears that the utility model second embodiment provides is shown
It is intended to.
Specific embodiment
Specific embodiment of the utility model is further elaborated below.It should be understood that herein to this
The explanation of utility model embodiment is not used to limit the protection scope of the utility model.
As shown in Figures 1 to 4, a kind of disappear the straight of gap function with pre-tightening for what the practical example of the utility model first provided
The structural schematic diagram of line bearing arrangement.It is described that there is the linear bearing system for pre-tightening the gap function that disappears to include a bearing mounting base
10 and a linear bearing 20 being mounted in the bearing mounting base 10.It is envisioned that it is described have to pre-tighten disappear gap
The linear bearing system of function further includes other some functional modules, as described in setting in described be plugged in linear bearing 20
Axis, the lubricating oil etc. between the linear bearing 20 and axis is set, which is a technique known to those skilled in the art,
This is repeated no more.
The bearing mounting base 10 includes that a through-hole 11 and a card being arranged on the through-hole 11 set slot 12.
It is envisioned that the bearing mounting base 10 further includes some other functional structures, such as bearing mounting base 10 is pacified for this
The mounting structure etc. being attached in use occasion, is no longer described in detail herein.The through-hole 11 is used to assemble the linear bearing 20,
Therefore, the diameter of the through-hole 11 should be suitable with the diameter of the linear bearing 20.The card sets slot 12 for assembling the straight line
Bearing 20.In order to accurately install the linear bearing 20, that is, the straightness of the linear bearing 20 is improved, the card is set in slot 12
Mandrel should be with the center overlapping of axles of the through-hole 11.The structure and working principle that the card sets slot 12 will combine straight line below
Bearing 20 is described in detail.
The linear bearing 20 is plugged in the through-hole 11 and including a bearing body 21, and one is set in the axis
It holds the mounting ring 22 on the outside of ontology 21 and the sealing ring 23 of the axial end portion of the bearing body 21 is arranged at least one.
It is envisioned that the linear bearing 20 further includes other some functional modules, bearing body 21 is outer as described in setting
The technology groove etc. of side.The bearing body 21 includes an ontology 211, a peace being arranged on 211 lateral wall of ontology
Accommodation groove 212 is filled, the sealing ring setting position 213 of the axial end portion of the ontology 211 is arranged at least one, multiple to be arranged in institute
State the chip space 214 on 211 inner sidewall of ontology and multiple supporting beams 215 between any two chip space 214.Institute
Stating ontology 211 is a tubular, can be made of plastics.The central axis and the through-hole 11 of the installation accommodation groove 212
The middle position of the lateral wall of the ontology 211 is arranged in center overlapping of axles, and the radial depth along the through-hole 11 has
Strict requirements will set slot 12 with the card later and mounting ring 22 is illustrated together.The installation accommodation groove 212
Quantity can be decided according to the actual requirements, and in the present embodiment, there are two install accommodation groove 212 for the setting of bearing body 21.
The sealing ring setting position 213 is for being arranged the sealing ring 23.In the present embodiment, the sealing ring 23 is an O-ring,
Sealing ring setting position 213 is flute profile, and the sealing ring 23 is fixed on sealing ring setting position 213.The chip space 214
It is specific multiple, and it is spaced setting, extending direction should be parallel with the central axis of the through-hole 11.Due to the chip space 214
Presence so that forming a supporting beam 215 between any two adjacent chip spaces 214.The supporting beam 215 at first with
Axis directly contacts.Sealing ring setting position 213 includes multiple spaced elastic gear pieces so that the elasticity gear piece by
When to external force, it can shrink or homing.On the section of the central axis perpendicular to the through-hole 11, the supporting beam 215
Arc length it is equal with the elastic arc length of gear piece, and be integrally formed.
The mounting ring 22 can be arranged along the radial expansion of the through-hole 11.Therefore, the mounting ring 22 can be C-shaped
Ring, as shown in Figure 1.The mounting ring 22 can also include the stretching structure of other forms, to reach the diameter along the through-hole 11
To flexible purpose.Therefore, the mounting ring 22 has multiple stretching structures 221 along its peripheral direction.Perpendicular to described
On the section of the central axis of mounting ring 22, the stretching structure 221 can be V-arrangement, "the" shape or waveform.Such as Fig. 3 institute
Show, the stretching structure 221 is "the" shape.As shown in figure 4, the stretching structure 221 is waveform.Due to the mounting ring
22 have above-mentioned stretching structure, when by external force radially, diminution is cancelled external force by the diameter of the mounting ring 22
When, which will restore again.The mounting ring 22 is greater than the outer of the ontology 211 in the minimum diameter of reset condition
Diameter, to can push up to the card of the bearing mounting base 10 after cancelling external force and set slot 12.The size of the mounting ring 22 is answered
It is advisable when the bearing mounting base 10 and bearing body 21 can be assembled, specifically, the mounting ring accommodation groove 212 is along described
The radial thickness of through-hole 11 is greater than or equal to the mounting ring 22 along the maximum radial thickness of the through-hole 11.The card sets slot 12
It is less than the mounting ring 22 along the maximum radial thickness of the through-hole 11 along the radial thickness of the through-hole 11.During installation first
The mounting ring 22 is reduced and is contained in the mounting ring accommodation groove 212, it is made to be inserted into the axis together with bearing body 21
The through-hole 11 of mounting base 10 is held, until the card that the mounting ring 22 card sets the bearing mounting base 10 is set in slot 12, is being cancelled
External force restores the diameter of installation script.Because the card, which sets slot 12, is less than the mounting ring along the radial thickness of the through-hole 11
22 along the through-hole 11 maximum radial thickness so that the mounting ring 22 is fastened on institute along the radial part of the through-hole 11
Card is stated to set in slot 12, rest part is accommodated in the mounting ring accommodation groove 212, thus reach by the bearing mounting base 10 with
The purpose that bearing body 21 fits together, while enhancing axial fixation.
The sealing ring 23 is an O-ring, and setting is on sealing ring setting position 213.In the present embodiment, institute
Stating sealing ring 23 also includes two.The outer diameter of the sealing ring 23 is greater than the diameter of the through-hole 11, to work as the sealing ring
When 23 insertion through-hole 11, which is arranged position 213 for the sealing ring and squeezes towards the center of institute's through-hole 11, from
And position 213 can be arranged in the sealing ring and be pressed against axis, and eliminate the gap between the bearing body 10 and axis.With the axis
With 21 phase mutual friction of bearing body, the thickness of the elastic gear piece of bearing body 21 can reduce, but due to sealing ring 23 under the action of,
The elasticity gear piece still can be extruded in the axis, achieve the purpose that further to eliminate gap, extend the bearing longevity so as to reach
The purpose of life can also improve the stability of the linear bearing system.
Compared with prior art, provided by the utility model that there is the linear bearing system for pre-tightening the gap function that disappears, it is installing
The mounting ring 22 is reduced and is contained in the mounting ring accommodation groove 212 by Shi Shouxian, is inserted into it together with bearing body 21
The through-hole 11 of the bearing mounting base 10, until the card that the mounting ring 22 card sets the bearing mounting base 10 is set in slot 12.
Because the card, which sets slot 12, is less than the mounting ring 22 along the maximum radial of the through-hole 11 along the radial thickness of the through-hole 11
Thickness is set in slot 12 so that the mounting ring 22 is fastened on the card along the radial part of the through-hole 11, and rest part holds
It sets in the mounting ring accommodation groove 212, fits together the bearing mounting base 10 with bearing body 21 to reach
Purpose.After the bearing body 21 is installed into bearing mounting base 10, due to the sealing ring 23 on the bearing body 21
Maximum gauge be greater than the diameter of the through-hole 11 so that it squeezes the spaced elastic gear piece and it presses to and reaches on axis
To the function of eliminating gap.With the axis and 21 phase mutual friction of bearing body, the thickness of the elastic gear piece of bearing body 21 can subtract
It is small, but due to sealing ring 23 under the action of, which still can be extruded in the axis, reach further eliminate gap mesh
, so as to achieve the purpose that extend bearing life, the stability of the linear bearing system can also be improved.
As shown in figure 5, there is the linear bearing system for pre-tightening the gap function that disappears for what the utility model second embodiment provided
Structural schematic diagram.The difference of the linear bearing system of the linear bearing system and first embodiment of the second embodiment is
Sealing ring, and the setting sealing ring sealing ring setting position structure it is different from shape.The linear axis of the second embodiment
Holding system includes a bearing mounting base 30 and a linear bearing 40 being arranged on the bearing mounting base 30.It is described
The sealing ring 42 at the both ends of the bearing body 41 is arranged in including a bearing body 41 and two for linear bearing 40.
There are two the sealing ring at the both ends for being separately positioned on bearing body 41 setting positions 411 for the both ends tool of the bearing body 41.This is close
Seal setting position 411 is for installing and fixing the sealing ring 42, therefore the structure and the sealing of sealing ring setting position 411
The structure of circle 42 should match.The cross section of the sealing ring 42 is rectangular and including a clamping groove 421.The sealing ring
Setting position 411 is L shape.The bearing body 41 further includes the clamping ring 412 being coupled with the clamping groove 421.Work as peace
When filling the sealing ring 42, the card of clamping groove 421 of the sealing ring 42 is set on the clamping ring 412, to fix the sealing
The relative position of circle 42 and bearing body 41.
The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.
Claims (10)
1. a kind of with pre-tightening the linear bearing system of gap function of disappearing, it is characterised in that: it is described have pre-tighten the straight of gap function that disappear
Line bearing arrangement includes a bearing mounting base and a linear bearing being mounted in the bearing mounting base, the axis
Holding mounting base includes that a through-hole and a card being arranged on the through-hole set slot, and the linear bearing is plugged in described
In through-hole and including a bearing body and a mounting ring being set on the outside of the bearing body and at least one
The sealing ring of the axial end portion of the bearing body is set, and the bearing body includes an ontology, and one is arranged described
Mounting ring accommodation groove and at least one sealing ring that the axial end portion of the ontology is arranged on outer body wall are arranged
Position, the mounting ring accommodation groove are greater than or equal to the mounting ring along the maximum diameter of the through-hole along the radial thickness of the through-hole
To thickness, the maximum radial thickness for blocking the radial thickness for setting slot along the through-hole less than the mounting ring along the through-hole,
Radial expansion setting and the linear bearing of the mounting ring along the through-hole are mounted on Shi Suoshu in the bearing mounting base
Mounting ring is fastened on the card along the radial part of the through-hole and sets in slot, and rest part is accommodated in the mounting ring accommodation groove
In, sealing ring setting position includes multiple spaced elastic gear pieces, and the maximum gauge of the sealing ring is greater than described logical
The diameter in hole.
2. as described in claim 1 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: the card sets slot
The center overlapping of axles of central axis and the through-hole.
3. as described in claim 1 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: the mounting ring is held
Set the central axis of slot and the center overlapping of axles of the through-hole.
4. as described in claim 1 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: the mounting ring is
One C-shaped ring.
5. as described in claim 1 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: the mounting ring exists
There are multiple stretching structures, on the section of the central axis perpendicular to the mounting ring, the stretching structure along its peripheral direction
For V-arrangement, "the" shape, waveform.
6. as described in claim 1 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: the mounting ring exists
The minimum diameter of reset condition is greater than the outer diameter of the ontology.
7. as described in claim 1 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: the bearing body
It further include multiple chip spaces being arranged on the ontology inner sidewall and multiple supports between any two chip space
Beam, the supporting beam and the elastic gear piece are integrally formed.
8. as claimed in claim 7 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: perpendicular to described
On the section of the central axis of through-hole, the arc length of the supporting beam is equal with the elastic arc length of gear piece.
9. as described in claim 1 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: the sealing ring
Cross section is rectangular and including a clamping groove, and sealing ring setting position is L shape, and the bearing body further includes one and institute
State the clamping ring that clamping groove is coupled.
10. as described in claim 1 have the linear bearing system for pre-tightening the gap function that disappears, it is characterised in that: the sealing ring
For O-ring, sealing ring setting position is flute profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934744.0U CN209262065U (en) | 2018-11-22 | 2018-11-22 | It is a kind of with pre-tightening the linear bearing system of gap function of disappearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934744.0U CN209262065U (en) | 2018-11-22 | 2018-11-22 | It is a kind of with pre-tightening the linear bearing system of gap function of disappearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262065U true CN209262065U (en) | 2019-08-16 |
Family
ID=67563865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821934744.0U Withdrawn - After Issue CN209262065U (en) | 2018-11-22 | 2018-11-22 | It is a kind of with pre-tightening the linear bearing system of gap function of disappearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340256A (en) * | 2018-11-22 | 2019-02-15 | 浙江长盛塑料轴承技术有限公司 | It is a kind of with pre-tightening the linear bearing system of gap function of disappearing |
-
2018
- 2018-11-22 CN CN201821934744.0U patent/CN209262065U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340256A (en) * | 2018-11-22 | 2019-02-15 | 浙江长盛塑料轴承技术有限公司 | It is a kind of with pre-tightening the linear bearing system of gap function of disappearing |
| CN109340256B (en) * | 2018-11-22 | 2024-06-11 | 浙江长盛塑料轴承技术有限公司 | Linear bearing system with pretension clearance eliminating function |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190816 Effective date of abandoning: 20240611 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190816 Effective date of abandoning: 20240611 |