CN204851994U - Amortization bearing - Google Patents
Amortization bearing Download PDFInfo
- Publication number
- CN204851994U CN204851994U CN201520601352.2U CN201520601352U CN204851994U CN 204851994 U CN204851994 U CN 204851994U CN 201520601352 U CN201520601352 U CN 201520601352U CN 204851994 U CN204851994 U CN 204851994U
- Authority
- CN
- China
- Prior art keywords
- connecting base
- ring
- overcoat
- inner ring
- outer shroud
- 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
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a bearing, especially, relate to an amortization bearing, including bearing outer ring, bearing inner ring, holder and a plurality of rolling element, bearing outer ring includes outer loop endotheca and outer loop overcoat, and the bottom of outer loop endotheca is provided with first connecting seat, and the bottom of outer loop overcoat is provided with the second connecting seat, and the top of outer loop endotheca is provided with the third connecting seat, and the top of outer loop overcoat is provided with prominent first holding ring, and the bottom of third connecting seat is provided with first constant head tank, is provided with first sealing washer between first connecting seat and the second connecting seat, is provided with the second sealing washer between third connecting seat and the outer loop overcoat, be first vacuum cavity between outer loop overcoat and the outer loop endotheca, be provided with the first air cock that is linked together with first vacuum cavity on the outer loop overcoat, the top and the bottom inboard of outer loop endotheca all are fixed with fender dirt lid, keep off having the clearance between dirt lid and the bearing inner ring, the utility model discloses an amortization bearing, the during operation noise is less.
Description
Technical field
The utility model relates to a kind of bearing, particularly relates to a kind of noise reduction bearing.
Background technique
Bearing is in mechanical transmission course, play parts that are fixing and reduction load friction factor.Alternatively, when other parts produce relative movement each other on axle, be used for reducing the fixing parts of friction factor in power transmission process and retainer shaft central position.Bearing is a kind of very important component in contemporary machinery, and its major function is supported mechanical solid of rotation, in order to reduce the mechanical load friction factor of equipment in transmission process.Bearing is a kind of widely used component of machine, no matter be aircraft, automobile, boats and ships, lathe, motor, or household electric appliance etc., every place having swivel bearing, all be unable to do without bearing.Bearing sealed ring is the main seal part in bearing, is not only kept in bearing by lubricating grease, prevents again foreign debris or dust from entering in bearing simultaneously, effectively can improve the working life of bearing.Along with development, the quality requirement of user to bearing sealed ring is more and more higher, not only require that bearing has highi degree of accuracy, long lifetime, but also require that bearing has low vibration, low noise, temperature rise, to leak fat, dust-proof property indices good, particularly in recent years, along with the development and application of super high speed electric instrument (more than 30000r/min), in some matched host machine, what bearing produced holds noise comparatively greatly, and as supporting bearing dustproof cover, its anti-acoustic capability is poor, the noise that bearing produces cannot be eliminated, create noise pollution.
Model utility content
For solving the problems of the technologies described above, the noise reduction bearing that when the purpose of this utility model is to provide a kind of work, noise is less.
Noise reduction bearing of the present utility model, comprise outer race, bearing inner ring, retainer and several rolling elements, be provided with raceway between described outer race and described bearing inner ring, described rolling element is placed on described raceway, and is fixed by described retainer, described outer race comprises outer shroud inner sleeve and is enclosed within the outer shroud overcoat outside outer shroud inner sleeve, the bottom of described outer shroud inner sleeve gives prominence to the first connecting base into annular laterally, the bottom of described outer shroud overcoat gives prominence to the second connecting base into annular to the inside, the 3rd connecting base into annular is given prominence on the top of described outer shroud inner sleeve laterally, described first connecting base and the second connecting base are connected with the inwall of described outer shroud overcoat and the outer wall thread of outer shroud inner sleeve respectively, the top of described outer shroud overcoat arranges bossed first positioning ring, the bottom of described 3rd connecting base is provided with the first locating slot for clamping described first positioning ring, the first seal ring is provided with between described first connecting base and the second connecting base, the second seal ring is provided with between described 3rd connecting base and outer shroud overcoat, be the first vacuum chamber between described outer shroud overcoat and outer shroud inner sleeve, outside described outer shroud, put the first valve being provided with and being connected with the first vacuum chamber, all be fixed with the dust shield cover of the glass mat material of ring-type inside the top of described outer shroud inner sleeve and bottom, between described dust shield cover and bearing inner ring, there is gap.
Further, described bearing inner ring comprises inner ring inner sleeve and is enclosed within the inner ring overcoat outside inner ring inner sleeve, the bottom of described inner ring inner sleeve gives prominence to the 4th connecting base into annular laterally, the bottom of described inner ring overcoat gives prominence to the 5th connecting base into annular to the inside, the 6th connecting base into annular is given prominence on the top of described inner ring inner sleeve laterally, described 4th connecting base is connected with the inwall of described inner ring overcoat and the outer wall thread of inner ring inner sleeve respectively with the 5th connecting base, the top of described inner ring overcoat arranges bossed second positioning ring, the bottom of described 6th connecting base is provided with the second locating slot for clamping described second positioning ring, the 3rd seal ring is provided with between described 4th connecting base and the 5th connecting base, the 4th seal ring is provided with between described 6th connecting base and inner ring overcoat, be the second vacuum chamber between described inner ring overcoat and inner ring inner sleeve, in described inner ring, put the second valve being provided with and being connected with the second vacuum chamber.
Further, the outer wall of described outer shroud inner sleeve is fixed with multiple first supporting post, the top of described first supporting post is provided with rubber pad.
Further, the outer wall of described inner ring inner sleeve is fixed with multiple second supporting post, the top of described second supporting post is provided with rubber pad.
Further, described second seal ring is two, and lays respectively at the both sides of the first positioning ring.
Further, described 4th seal ring is two, and lays respectively at the both sides of the second positioning ring.
By such scheme, the utility model at least has the following advantages: owing to being provided with the good vacuum chamber of soundproof effect, during work, noise is less.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model noise reduction bearing.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
See Fig. 1, a kind of noise reduction bearing of the utility model one preferred embodiment, comprises outer race 1, bearing inner ring 2, retainer 3 and several rolling elements 4, is provided with raceway between outer race 1 and bearing inner ring 2, rolling element 4 is placed on raceway, and is fixed by retainer 3, outer race 1 comprises outer shroud inner sleeve 11 and is enclosed within the outer shroud overcoat 12 outside outer shroud inner sleeve, the bottom of outer shroud inner sleeve 11 gives prominence to the first connecting base 13 into annular laterally, the bottom of outer shroud overcoat 12 gives prominence to the second connecting base 14 into annular to the inside, the 3rd connecting base 15 into annular is given prominence on the top of outer shroud inner sleeve 11 laterally, first connecting base 13 is connected with the inwall of outer shroud overcoat 12 and the outer wall thread of outer shroud inner sleeve 11 respectively with the second connecting base 14, the top of outer shroud overcoat 12 arranges bossed first positioning ring 16, the bottom of the 3rd connecting base 15 is provided with the first locating slot for clamping the first positioning ring 16, the first seal ring 17 is provided with between first connecting base 13 and the second connecting base 14, the second seal ring 18 is provided with between 3rd connecting base 15 and outer shroud overcoat 12, be the first vacuum chamber 19 between outer shroud overcoat 12 and outer shroud inner sleeve 11, outer shroud overcoat 12 be provided with the first valve 10 be connected with the first vacuum chamber 19, all be fixed with the dust shield cover 5 of the glass mat material of ring-type inside the top of outer shroud inner sleeve 11 and bottom, between dust shield cover 5 and bearing inner ring 2, there is gap.
Bearing inner ring 2 comprises inner ring inner sleeve 21 and is enclosed within the inner ring overcoat 22 outside inner ring inner sleeve, the bottom of inner ring inner sleeve 21 gives prominence to the 4th connecting base 23 into annular laterally, the bottom of inner ring overcoat 22 gives prominence to the 5th connecting base 24 into annular to the inside, the 6th connecting base 25 into annular is given prominence on the top of inner ring inner sleeve 21 laterally, 4th connecting base 23 is connected with the inwall of inner ring overcoat 22 and the outer wall thread of inner ring inner sleeve 21 respectively with the 5th connecting base 24, the top of inner ring overcoat 22 arranges bossed second positioning ring 26, the bottom of the 6th connecting base 25 is provided with the second locating slot for clamping the second positioning ring 26, the 3rd seal ring 27 is provided with between 4th connecting base 23 and the 5th connecting base 24, the 4th seal ring 28 is provided with between 6th connecting base 25 and inner ring overcoat 22, be the second vacuum chamber 29 between inner ring overcoat and inner ring inner sleeve, inner ring inner sleeve 21 be provided with the second valve 20 be connected with the second vacuum chamber 29.
Working principle of the present utility model is as follows: by outer race and bearing inner ring are set to double layer construction, and vacuum chamber is set wherein, can on the basis not affecting bearing working stability and structural strength, the noise blazed abroad by bearing inner ring and outer race produced in effective minimizing bearing operation process, dust shield cover is set to glass mat, the noise produced when can reduce work further, only need valve to be connected with vacuum pump during use, make vacuum chamber become vacuum; If arrange separately the dust shield cover of sound insulation, then noise can be blazed abroad by bearing inner ring and outer race, can not noise reduction well.
In order to improve the working strength of bearing further, prevent the double layer construction generation deformation of outer race and bearing inner ring, noise reduction bearing of the present utility model, the top outer wall of outer shroud inner sleeve 11 being fixed with multiple first supporting post 6, first supporting post is provided with rubber pad 8; The top outer wall of inner ring inner sleeve 21 being fixed with multiple second supporting post 7, second supporting post is provided with rubber pad 8.The effect of rubber pad is the mutual sheathing facilitated between inner sleeve and overcoat.
In order to improve sealing effect, noise reduction bearing of the present utility model, the second seal ring 18 is two, and lays respectively at the both sides of the first positioning ring 16; 4th seal ring 28 is two, and lays respectively at the both sides of the second positioning ring 26.
The above is only preferred implementation of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (6)
1. a noise reduction bearing, is characterized in that: comprise outer race, bearing inner ring, retainer and several rolling elements, be provided with raceway between described outer race and described bearing inner ring, described rolling element is placed on described raceway, and is fixed by described retainer, described outer race comprises outer shroud inner sleeve and is enclosed within the outer shroud overcoat outside outer shroud inner sleeve, the bottom of described outer shroud inner sleeve gives prominence to the first connecting base into annular laterally, the bottom of described outer shroud overcoat gives prominence to the second connecting base into annular to the inside, the 3rd connecting base into annular is given prominence on the top of described outer shroud inner sleeve laterally, described first connecting base and the second connecting base are connected with the inwall of described outer shroud overcoat and the outer wall thread of outer shroud inner sleeve respectively, the top of described outer shroud overcoat arranges bossed first positioning ring, the bottom of described 3rd connecting base is provided with the first locating slot for clamping described first positioning ring, the first seal ring is provided with between described first connecting base and the second connecting base, the second seal ring is provided with between described 3rd connecting base and outer shroud overcoat, be the first vacuum chamber between described outer shroud overcoat and outer shroud inner sleeve, outside described outer shroud, put the first valve being provided with and being connected with the first vacuum chamber, all be fixed with the dust shield cover of the glass mat material of ring-type inside the top of described outer shroud inner sleeve and bottom, between described dust shield cover and bearing inner ring, there is gap.
2. noise reduction bearing according to claim 1, it is characterized in that: described bearing inner ring comprises inner ring inner sleeve and is enclosed within the inner ring overcoat outside inner ring inner sleeve, the bottom of described inner ring inner sleeve gives prominence to the 4th connecting base into annular laterally, the bottom of described inner ring overcoat gives prominence to the 5th connecting base into annular to the inside, the 6th connecting base into annular is given prominence on the top of described inner ring inner sleeve laterally, described 4th connecting base is connected with the inwall of described inner ring overcoat and the outer wall thread of inner ring inner sleeve respectively with the 5th connecting base, the top of described inner ring overcoat arranges bossed second positioning ring, the bottom of described 6th connecting base is provided with the second locating slot for clamping described second positioning ring, the 3rd seal ring is provided with between described 4th connecting base and the 5th connecting base, the 4th seal ring is provided with between described 6th connecting base and inner ring overcoat, be the second vacuum chamber between described inner ring overcoat and inner ring inner sleeve, in described inner ring, put the second valve being provided with and being connected with the second vacuum chamber.
3. noise reduction bearing according to claim 2, is characterized in that: the outer wall of described outer shroud inner sleeve is fixed with multiple first supporting post, and the top of described first supporting post is provided with rubber pad.
4. noise reduction bearing according to claim 2, is characterized in that: the outer wall of described inner ring inner sleeve is fixed with multiple second supporting post, and the top of described second supporting post is provided with rubber pad.
5. noise reduction bearing according to claim 2, is characterized in that: described second seal ring is two, and lays respectively at the both sides of the first positioning ring.
6. noise reduction bearing according to claim 2, is characterized in that: described 4th seal ring is two, and lays respectively at the both sides of the second positioning ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520601352.2U CN204851994U (en) | 2015-08-11 | 2015-08-11 | Amortization bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520601352.2U CN204851994U (en) | 2015-08-11 | 2015-08-11 | Amortization bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851994U true CN204851994U (en) | 2015-12-09 |
Family
ID=54742545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520601352.2U Expired - Fee Related CN204851994U (en) | 2015-08-11 | 2015-08-11 | Amortization bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851994U (en) |
-
2015
- 2015-08-11 CN CN201520601352.2U patent/CN204851994U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: SIWENSI M&E EQUIPMENT (BEIJING) CO., LTD. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20170811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |