CN203796756U - Full-needle roller bearing with specially-shaped sealing ring - Google Patents
Full-needle roller bearing with specially-shaped sealing ring Download PDFInfo
- Publication number
- CN203796756U CN203796756U CN201420139653.3U CN201420139653U CN203796756U CN 203796756 U CN203796756 U CN 203796756U CN 201420139653 U CN201420139653 U CN 201420139653U CN 203796756 U CN203796756 U CN 203796756U
- Authority
- CN
- China
- Prior art keywords
- seal ring
- shaped
- specially
- sealing ring
- bearing
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 title abstract description 15
- 230000004323 axial length Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004080 punching Methods 0.000 abstract 4
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 7
- 230000032683 aging Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a full-needle roller bearing with a specially-shaped sealing ring. The full-needle roller bearing comprises an outer punching ring, a sealing ring, a gasket and a plurality of needle rollers, wherein the sealing ring, the gasket and the needle rollers are sequentially positioned in a roller way in the outer punching ring from left to right along the axial direction of the outer punching ring; the sealing ring is the specially-shaped sealing ring with a specially-shaped section; the radial length of the specially-shaped section is greater than the axial length, and the radial end, in contact with a shaft, of the specially-shaped section is circular-arc-shaped; the needle rollers are uniformly distributed in the roller way of the outer punching ring. In the mode, a traditional sealing ring with the circular cross section is replaced by the specially-shaped sealing ring, the space is saved while is sealing effect is ensured, and the needle rollers can be lengthened, so that the carrying capacity of the bearing is improved.
Description
Technical field
The utility model relates to bearing machining and manufactures field, particularly relates to a kind of full pin needle bearing with fixing ring.
Background technique
In bearing machining manufacturing, seal ring mainly contains round seal ring, V-shaped seal ring and rectangular seal etc.
The load that a kind of drawn cup needle roller bearing with seal ring and pad of full pin need bear because of service condition is large, and supporting surface is narrow, therefore requires needle roller to want corresponding lengthening.Because the restriction of bearing usage space makes bearing height overall limited, and needle roller needs to lengthen, therefore propose to solve problem by dwindling seal ring, but because radial dimension is large, can not compresses seal wire diameter in diametric(al).
By analyzing after rectangular seal, though can play seal action equally, but the surface of contact of rectangle and axle increases, and is larger interference fit between the internal diameter of seal ring and axle, and seal ring external diameter is limited by outer ring raceway in addition, thereby whole magnitude of interference is all added on axle, while causing axle rotation, damping increases, and can cause axle heating, the working life of reducing axle, thereby accelerate the aging inefficacy of seal ring, therefore rectangular seal is not suitable in full pin needle bearing.
Although round seal ring and V-shaped seal ring can meet sealing effect preferably, but space all can not be saved in its " o " type cross section and " V " type cross section, in addition the internal diameter of V-shaped seal ring and the surface of contact of axle are large, all can not make the limited lower lengthening needle roller of full pin needle bearing height overall to improve its bearing capacity.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of full pin needle bearing with fixing ring, by using special-shaped seal ring to substitute traditional o-ring, when meeting sealing effect, save space, thereby needle roller is lengthened, improved bearing load carrying capacity.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of full pin needle bearing with fixing ring is provided, comprise: drawn cup, along described drawn cup, be axially from left to right arranged in successively a seal ring of the raceway of described drawn cup, a pad and several needle rollers, described seal ring is the special-shaped seal ring with odd-shaped cross section, the radial length of described odd-shaped cross section is greater than axial length and is circular arc with the tactile radially one end that is coupling, and described needle roller is distributed in the raceway of described drawn cup.
In preferred embodiment of the utility model, the radially the other end that the odd-shaped cross section of described seal ring contacts with described drawn cup is also circular arc.
In preferred embodiment of the utility model, the track type that described odd-shaped cross section is the upper and lower symmetry of two " U " types and snaps together.Can effectively dwindle the axial dimension of seal ring, needle roller is lengthened, improve the bearing capacity of bearing; Can reduce the surface of contact of internal diameter of the seal ring and axle simultaneously, while making axle rotation damping little, the heating value when reducing axle and rotating, effective working life of extending shaft, and can effectively delay seal ring ageing failure.
In preferred embodiment of the utility model, the seal ring of described special-shaped seal ring for being made by rubber.Low cost of manufacture, and there is good sealing effect, can reduce the inner various damages that form because of impurity infringement of bearing, can effectively extend the working life of bearing.
In preferred embodiment of the utility model, described drawn cup is shaped by sheet metal precision stamping.Structure space is little, and has larger load capacity.
The beneficial effects of the utility model are: the full pin needle bearing of the utility model band fixing ring, by using special-shaped seal ring to substitute traditional o-ring, when meeting sealing effect, save space, thereby needle roller is lengthened, improved bearing load carrying capacity.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of full pin needle bearing with fixing ring of the utility model;
In accompanying drawing, the mark of each parts is as follows: 1, drawn cup, 2, seal ring, 3, pad, 4, needle roller.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Refer to Fig. 1, the utility model is embodiment comprise:
A kind of full pin needle bearing with fixing ring, comprise: drawn cup 1, the seal ring 2 along the raceway that is axially from left to right arranged in successively described drawn cup 1 of described drawn cup 1, pad 3 and several needle rollers 4, described seal ring 2 is for having the special-shaped seal ring of odd-shaped cross section, the radial length of described odd-shaped cross section is greater than axial length, the radially the other end that described odd-shaped cross section is circular arc with the tactile radially one end that is coupling, contact with described drawn cup 1 is also circular arc, and described needle roller 4 is distributed in the raceway of described drawn cup 1.Described odd-shaped cross section has effectively been saved the inside space of bearing shaft, thereby can make described needle roller 4 lengthen, to improve the bearing capacity of bearing.
Preferably, the track type that described odd-shaped cross section is the upper and lower symmetry of two " U " types and snaps together, the axial dimension of the more round seal ring of its axial dimension is short, can effectively lengthen the length of needle roller 4, thereby improves the bearing capacity of bearing; Can reduce the surface of contact of internal diameter of the seal ring and axle simultaneously, while making axle rotation damping little, the heating value when reducing axle and rotating, effective working life of extending shaft, and can effectively delay seal ring ageing failure.In addition have other odd-shaped cross sections and be also fine as the seal ring of oval odd-shaped cross section, its axial dimension is less than common round seal ring, and the surface of contact of internal diameter and axle is little simultaneously, can meet the demands equally.
Described special-shaped seal ring 2 is seal rings of being made by rubber, there is good sealing effect and low cost of manufacture, the inside of the full pin needle bearing of energy maintenance and extraneous in isolation, the various lubricant oil that full pin needle bearing inside is added, the number of dropouts of lubricated lipid material is minimum, and lubricated effect is increased dramatically, can completely cut off in addition full pin needle bearing inner with the contacting of extraneous all kinds of materials, reduce dust, the materials such as harmful gas enter the probability of bearing cavity, reduce the inner various damages that form because of impurity infringement of bearing, can effectively extend the working life of bearing.
Described drawn cup is shaped by sheet metal precision stamping, and structure space is little, and has larger load capacity.
This installation step with the full pin needle bearing of special-shaped seal ring is: seal ring 2 and pad 3 are knocked in the raceway of drawn cup 1, and then needle roller 4 is arranged in the raceway of drawn cup 1 by grease.
The utility model has disclosed a kind of full pin needle bearing with fixing ring, and the load that need bear because of service condition is large, and supporting surface is narrow, therefore requires needle roller to want corresponding lengthening.Because the restriction of bearing usage space makes bearing height overall limited, and needle roller needs to lengthen, therefore propose to solve problem by dwindling seal ring, but because radial dimension is large, can not compresses seal wire diameter in diametric(al), therefore adopt special-shaped seal ring to substitute traditional o-ring, when meeting sealing effect, saved space, thereby being lengthened, needle roller improves bearing load carrying capacity.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. the full pin needle bearing with fixing ring, it is characterized in that, comprise: drawn cup, along described drawn cup, be axially from left to right arranged in successively a seal ring of the raceway of described drawn cup, a pad and several needle rollers, described seal ring is the special-shaped seal ring with odd-shaped cross section, the radial length of described odd-shaped cross section is greater than axial length and is circular arc with the tactile radially one end that is coupling, and described needle roller is distributed in the raceway of described drawn cup.
2. the full pin needle bearing with fixing ring according to claim 1, is characterized in that, the radially the other end that the odd-shaped cross section of described seal ring contacts with described drawn cup is also circular arc.
3. the full pin needle bearing with fixing ring according to claim 2, is characterized in that, the track type that described odd-shaped cross section is the upper and lower symmetry of two " U " types and snaps together.
4. the full pin needle bearing with fixing ring according to claim 1, is characterized in that, the seal ring of described special-shaped seal ring for being made by rubber.
5. the full pin needle bearing with fixing ring according to claim 1, is characterized in that, described drawn cup is shaped by sheet metal precision stamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139653.3U CN203796756U (en) | 2014-03-26 | 2014-03-26 | Full-needle roller bearing with specially-shaped sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139653.3U CN203796756U (en) | 2014-03-26 | 2014-03-26 | Full-needle roller bearing with specially-shaped sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796756U true CN203796756U (en) | 2014-08-27 |
Family
ID=51378969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420139653.3U Expired - Lifetime CN203796756U (en) | 2014-03-26 | 2014-03-26 | Full-needle roller bearing with specially-shaped sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899651A (en) * | 2014-03-26 | 2014-07-02 | 苏州金诚轴承有限公司 | Crowded rolling needle bearing provided with abnormal-shaped seal ring |
-
2014
- 2014-03-26 CN CN201420139653.3U patent/CN203796756U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899651A (en) * | 2014-03-26 | 2014-07-02 | 苏州金诚轴承有限公司 | Crowded rolling needle bearing provided with abnormal-shaped seal ring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204628265U (en) | A kind of sealed type roller bearing | |
| CN203796756U (en) | Full-needle roller bearing with specially-shaped sealing ring | |
| CN104314972A (en) | Rolling bearing | |
| CN202867555U (en) | Single-row self-aligning roller bearing | |
| CN205823956U (en) | A kind of oval channel contact type clutch release bearing | |
| CN202493584U (en) | Double-row full-complement snap ring type cylindrical roller bearing | |
| CN204003997U (en) | A kind of retainer of roller bearing | |
| CN201774348U (en) | Adjustable shaft seal structure of electric motor | |
| CN103899651A (en) | Crowded rolling needle bearing provided with abnormal-shaped seal ring | |
| CN206429531U (en) | A kind of flexible cross roller bearing | |
| CN202082271U (en) | Stamped angular contact sealed ball bearing for steering gear of automobile | |
| CN212643317U (en) | Multi-ring composite roller bearing | |
| CN204458824U (en) | A kind of Double-layer seal type double row spherical roller bearing of reducing | |
| CN103790942A (en) | Novel double-row tapered bearing based on outer-ring lubrication grooves | |
| CN202493597U (en) | Double-row full-complement cylindrical roller bearing with sealing ring | |
| CN204437073U (en) | A kind of combination-inlaying formula self oiling bearing | |
| CN203717719U (en) | Novel besides-star wheel one-way clutch with bearing support | |
| CN203906570U (en) | Bearing used on scooter | |
| CN203604436U (en) | Cylindrical roller bearing for crane | |
| CN204003964U (en) | A kind of cylindrical roller combination bearing | |
| CN201858260U (en) | Comb-shaped retainer for aligning roller bearings | |
| CN103185066A (en) | Double-sealed turntable bearing | |
| CN205715298U (en) | A kind of release bearing unit preventing lasso and outer housing from mutually sliding | |
| CN201593564U (en) | Bearing with deformable clamp ring groove | |
| CN202531644U (en) | Omniseal biserial cylindrical roller bearing with flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |