CN204878380U - Pedestal seat with special sealing washer - Google Patents
Pedestal seat with special sealing washer Download PDFInfo
- Publication number
- CN204878380U CN204878380U CN201520629983.5U CN201520629983U CN204878380U CN 204878380 U CN204878380 U CN 204878380U CN 201520629983 U CN201520629983 U CN 201520629983U CN 204878380 U CN204878380 U CN 204878380U
- Authority
- CN
- China
- Prior art keywords
- ring
- bearing
- lip
- rolling element
- shaft sleeve
- 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
- 238000007789 sealing Methods 0.000 title abstract 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title abstract 2
- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 241000237983 Trochidae Species 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 208000035126 Facies Diseases 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model provides a pedestal seat with special sealing washer, including bearing shell and bearing, axle contracting draws together outer lane, inner circle and rolling element, the drain pan includes first dish portion and first axle sleeve portion, the top shell includes second dish portion and second axle sleeve portion, the rolling element both sides are provided with the retaining ring, the retaining ring is including encircling bottom surface, the global and turn -ups portion of ring, it fastens mutually to encircle global medial surface with the outer lane, turn -ups portion fastens with the side of outer lane mutually, the retaining ring outside is equipped with the sealing washer, the sealing washer includes the skeleton and the rubber body, skeleton and retaining ring fasten mutually, rubber body top surface and skeleton facies bonding, the rubber body is equipped with the radial seal lip, radial seal lip bottom offsets with the inner circle, the utility model discloses simplified procedure, reduction in production cost can make things convenient for the installation of bearing, and the while reduces the wearing and tearing of bearing inside effectually preventing dust entering bearing, improves the life of bearing.
Description
Technical field
The utility model relates to bearing, particularly a kind of Separable bearing block with special seal circle.
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.Its major function is supported mechanical solid of rotation, and in order to reduce the mechanical load friction factor of equipment in transmission process, the bearing be not arranged in box body hole needs to use bearing support to support.
The bearing support of existing market adopts casting technique to produce mostly, not only processes loaded down with trivial details, because bearing support two opening diameter is less than bearing diameter, installs and puts to no little inconvenience, and may cause wear damage to bearing and bearing support in installation process for bearing; Moreover the Environmental Conditions of bearing is more severe, dust pollution is serious, bearing is in the market generally double-layer seal, namely a back-up ring to also be installed additional in the outside of conventional seals circle, but existing back-up ring is all the bore ends being positioned at inner ring, form clearance seal between the endoporus of back-up ring and inner ring, dust easily enters from the gap between back-up ring and inner ring endoporus, affects bearing working life.
Model utility content
For the deficiencies in the prior art part, the utility model provides a kind of Separable bearing block with special seal circle, which simplify procedure, reduce cost of production, the installation of bearing can be facilitated, can effectively prevent dust from entering Bearing inner simultaneously, reduce the wearing and tearing of bearing, improve the working life of bearing.
The technological scheme provided for reaching above-mentioned object the utility model is: a kind of Separable bearing block with special seal circle, comprise bearing case and bearing, described bearing assemble is inner at bearing case, described bearing comprises outer ring, inner ring and rolling element, described bearing case is formed by drain pan and the stacked assembly connection of top shell, described drain pan comprises the first dish portion and the first shaft sleeve part, described top shell comprises the second dish portion and the second shaft sleeve part, described first dish portion and the second dish portion have the mounting hole run through, described rolling element both sides are provided with back-up ring, described back-up ring is the basin shape with flanging, described back-up ring comprises ring bottom surface, ring side face and turn-up portion, the inner side end of described ring side face and outer ring is fastened, the side of described turn-up portion and outer ring is fastened, the termination of described ring bottom surface is near inner ring, seal ring is provided with outside described back-up ring, described seal ring comprises skeleton and rubber body, described skeleton and back-up ring are fastened, described rubber body end face and skeleton bonding, described rubber body is provided with radial seal lip, offset with inner ring bottom described radial seal lip.
Further, the middle part of described drain pan and top shell forward surface axially extends to form annular protrusion, described annular protrusion and the first dish portion endoporus form the first shaft sleeve part jointly, and the diameter of bore that described first shaft sleeve part and the second shaft sleeve part are held in opposite directions is greater than the maximum diameter of outer ring.
Further, described top shell is provided with the annular recess suitable with described annular protrusion, and after described annular protrusion stretches into annular recess, the endoporus of the first shaft sleeve part and the second shaft sleeve part forms the interior concave spherical surface suitable with described outer ring outer round surface jointly.
Further, described radial seal lip comprises epipharynx, middle lip and outer lip, side and the back-up ring at described epipharynx top offset, offset with inner ring bottom described epipharynx, described epipharynx and back-up ring form an interlayer, described middle lip is between epipharynx and outer lip, and described middle lip and epipharynx are provided with the first hollow layer, is provided with the second hollow layer between described middle lip and outer lip.
Further, the internal diameter of described radial seal lip is less than the external diameter of described outer ring, and after described seal ring is installed, radial seal lip ecto-entad tilts.
Further, described rolling element is between outer ring and inner ring, and described rolling element is circular, and described rolling element cover has retainer, and rolling element and rolling element are isolated by described retainer.
Further, described inner ring is provided with extension part, and described extension part stretches out in outer ring, and described extension part is provided with top wire hole, in top wire hole, jackscrew is housed.
Compared with prior art, there is following beneficial effect:
1. rolling element both sides described in the utility model are provided with back-up ring, described back-up ring is the basin shape with flanging, described back-up ring comprises ring bottom surface, ring side face and turn-up portion, the inner side end of described ring side face and outer ring is fastened, the side of described turn-up portion and outer ring is fastened, the termination of described ring bottom surface is near inner ring, seal ring is provided with outside described back-up ring, described seal ring comprises skeleton and rubber body, described skeleton and back-up ring are fastened, described rubber body end face and skeleton bonding, described rubber body is provided with radial seal lip, offset with inner ring bottom described radial seal lip, well dust can be stopped, effective prevention dust enters Bearing inner.
2. bearing case described in the utility model is formed by drain pan and the stacked assembly connection of top shell, described drain pan comprises the first dish portion and the first shaft sleeve part, described top shell comprises the second dish portion and the second shaft sleeve part, described first dish portion and the second dish portion have the mounting hole run through, the middle part of described drain pan and top shell forward surface axially extends to form annular protrusion, described annular protrusion and the first dish portion endoporus form the first shaft sleeve part jointly, the diameter of bore that described first shaft sleeve part and the second shaft sleeve part are held in opposite directions is greater than the maximum diameter of outer ring, described top shell is provided with the annular recess suitable with described annular protrusion, after described annular protrusion stretches into annular recess, the endoporus of the first shaft sleeve part and the second shaft sleeve part forms the interior concave spherical surface suitable with described outer ring outer round surface jointly, bearing can easily be installed into bearing case, well prevent from causing wear damage to bearing and bearing case in installation process, improve the working life of bearing.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model bearing case structural representation;
Fig. 3 is the utility model seal ring and bearing jointing structure enlarged view;
Fig. 4 is the utility model ring structure schematic diagram.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment
As shown in Figures 1 to 4, a kind of Separable bearing block with special seal circle, comprise bearing case 1 and bearing 2, it is inner that described bearing 2 is assemblied in bearing case 1, described bearing 2 comprises outer ring 21, inner ring 22 and rolling element 23, described rolling element 23 is between outer ring 21 and inner ring 22, described rolling element 23 is circular, described rolling element 23 cover has retainer 24, rolling element 23 and rolling element 23 are isolated by described retainer 24, the material of retainer 24 has some strength, and thermal conductivity is good, friction factor is little, wear resistance is good, impact toughness is strong, density less and linear expansion coefficient and rolling element 23 are close, described inner ring 22 is provided with extension part 25, and described extension part 25 stretches out in outer ring 21, and described extension part 25 is provided with top wire hole 26, and jackscrew 27 is housed in top wire hole 26, and bearing 2 is arranged on axle, and jackscrew can play good fixation.
Described bearing case 1 is formed by drain pan 11 and the stacked assembly connection of top shell 12, described drain pan 11 comprises the first dish portion 13 and the first shaft sleeve part 14, described top shell 12 comprises the second dish portion 15 and the second shaft sleeve part 16, described first dish portion 13 and the second dish portion 15 have the mounting hole 3 run through, described drain pan 11 axially extends to form annular protrusion 17 with the middle part of top shell 12 forward surface, described annular protrusion 17 and the first dish portion 13 endoporus form the first shaft sleeve part 14 jointly, the diameter of bore that described first shaft sleeve part 14 and the second shaft sleeve part 16 are held in opposite directions is greater than the maximum diameter of outer ring 21, described top shell 12 is provided with the annular recess 18 suitable with described annular protrusion 17, after described annular protrusion 17 stretches into annular recess 18, the endoporus of the first shaft sleeve part 14 and the second shaft sleeve part 16 forms the interior concave spherical surface suitable with described outer ring 21 outer round surface jointly, bearing 2 and bearing case 1 is facilitated to assemble, when well preventing assembling, wear damage is caused to bearing 2 and bearing case 1, reduce cost of production again.
Described rolling element 23 both sides are provided with back-up ring 4, described back-up ring 4 is for having the basin shape of flanging, described back-up ring 4 comprises ring bottom surface 41, ring side face 42 and turn-up portion 43, described ring side face 42 is fastened with the inner side end of outer ring 21, described turn-up portion 43 is fastened with the side of outer ring 21, the termination of described ring bottom surface 41 is near inner ring 22, seal ring 5 is provided with outside described back-up ring 4, described seal ring 5 comprises skeleton 51 and rubber body 52, described skeleton 51 and back-up ring 4 are fastened, described rubber body 52 end face and skeleton 51 bonding, described rubber body 52 is provided with radial seal lip 6, offset with inner ring 22 bottom described radial seal lip 6.The seal ring 6 of many bead structures, effectively can stop that dust enters bearing 2 inner, reduce bearing 2 wear damage.
The internal diameter of described radial seal lip 6 is less than the external diameter of described outer ring 21, after described seal ring 6 is installed, radial seal lip 6 ecto-entad tilts, described radial seal lip 6 comprises epipharynx 61, middle lip 62 and outer lip 63, side and the back-up ring 4 at described epipharynx 61 top offset, offset with inner ring 22 bottom described epipharynx 61, described epipharynx 61 forms an interlayer with back-up ring 4, described middle lip 62 is between epipharynx 61 and outer lip 63, described middle lip 62 is provided with the first hollow layer 64 with epipharynx 61, the second hollow layer 65 is provided with between described middle lip 62 and outer lip 63, when machinery produces dust in the process of work, dust enters bearing 2, to cover before this on the plane of inclination of outer lip 63, dust is cumulative, the plane of inclination of outer lip 63 will be compressed into the second hollow layer 65, middle lip 62 and epipharynx 61 also can press down along with sloping inwardly, whole radial seal lip 6 increases with the surface of contact of inner ring 21, it is inner that effective prevention dust enters bearing 2.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. one kind has the Separable bearing block of special seal circle, comprise bearing case and bearing, described bearing assemble is inner at bearing case, described bearing comprises outer ring, inner ring and rolling element, it is characterized in that: described bearing case is formed by drain pan and the stacked assembly connection of top shell, described drain pan comprises the first dish portion and the first shaft sleeve part, described top shell comprises the second dish portion and the second shaft sleeve part, described first dish portion and the second dish portion have the mounting hole run through, described rolling element both sides are provided with back-up ring, described back-up ring is the basin shape with flanging, described back-up ring comprises ring bottom surface, ring side face and turn-up portion, the inner side end of described ring side face and outer ring is fastened, the side of described turn-up portion and outer ring is fastened, the termination of described ring bottom surface is near inner ring, seal ring is provided with outside described back-up ring, described seal ring comprises skeleton and rubber body, described skeleton and back-up ring are fastened, described rubber body end face and skeleton bonding, described rubber body is provided with radial seal lip, offset with inner ring bottom described radial seal lip.
2. the Separable bearing block with special seal circle according to claim 1, it is characterized in that: the middle part of described drain pan and top shell forward surface axially extends to form annular protrusion, described annular protrusion and the first dish portion endoporus form the first shaft sleeve part jointly, and the diameter of bore that described first shaft sleeve part and the second shaft sleeve part are held in opposite directions is greater than the maximum diameter of outer ring.
3. the Separable bearing block with special seal circle according to claim 2, it is characterized in that: described top shell is provided with the annular recess suitable with described annular protrusion, after described annular protrusion stretches into annular recess, the endoporus of the first shaft sleeve part and the second shaft sleeve part forms the interior concave spherical surface suitable with described outer ring outer round surface jointly.
4. the Separable bearing block with special seal circle according to claim 1, it is characterized in that: described radial seal lip comprises epipharynx, middle lip and outer lip, side and the back-up ring at described epipharynx top offset, offset with inner ring bottom described epipharynx, described epipharynx and back-up ring form an interlayer, described middle lip is between epipharynx and outer lip, and described middle lip and epipharynx are provided with the first hollow layer, is provided with the second hollow layer between described middle lip and outer lip.
5. the Separable bearing block with special seal circle according to claim 4, is characterized in that: the internal diameter of described radial seal lip is less than the external diameter of described outer ring, and after described seal ring is installed, radial seal lip ecto-entad tilts.
6. the Separable bearing block with special seal circle according to claim 1, it is characterized in that: described rolling element is between outer ring and inner ring, described rolling element is circular, and described rolling element cover has retainer, and rolling element and rolling element are isolated by described retainer.
7. the Separable bearing block with special seal circle according to claim 1, it is characterized in that: described inner ring is provided with extension part, described extension part stretches out in outer ring, and described extension part is provided with top wire hole, in top wire hole, jackscrew is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629983.5U CN204878380U (en) | 2015-08-20 | 2015-08-20 | Pedestal seat with special sealing washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629983.5U CN204878380U (en) | 2015-08-20 | 2015-08-20 | Pedestal seat with special sealing washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878380U true CN204878380U (en) | 2015-12-16 |
Family
ID=54822756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520629983.5U Expired - Fee Related CN204878380U (en) | 2015-08-20 | 2015-08-20 | Pedestal seat with special sealing washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269722A (en) * | 2017-07-04 | 2017-10-20 | 安徽利达汽车轴承制造有限公司 | One kind is usherd to seat ball bearing |
-
2015
- 2015-08-20 CN CN201520629983.5U patent/CN204878380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269722A (en) * | 2017-07-04 | 2017-10-20 | 安徽利达汽车轴承制造有限公司 | One kind is usherd to seat ball bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160820 |