CN105317847A - Insert of rolling bearing sealing device, sealing device, universal joint and bearing sleeve - Google Patents
Insert of rolling bearing sealing device, sealing device, universal joint and bearing sleeve Download PDFInfo
- Publication number
- CN105317847A CN105317847A CN201510461239.3A CN201510461239A CN105317847A CN 105317847 A CN105317847 A CN 105317847A CN 201510461239 A CN201510461239 A CN 201510461239A CN 105317847 A CN105317847 A CN 105317847A
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- CN
- China
- Prior art keywords
- seal
- inserts
- seal arrangement
- bearing sleeve
- 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.)
- Granted
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/385—Bearing cup; Bearing construction; Bearing seal; Mounting of bearing on the intermediate member
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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
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
- F16C21/005—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement the external zone of a bearing with rolling members, e.g. needles, being cup-shaped, with or without a separate thrust-bearing disc or ring, e.g. for universal joints
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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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7809—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for needle roller bearings
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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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
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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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/466—Needle bearings with one row or needles comprising needle rollers and an outer ring, i.e. subunit without inner ring
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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
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
- F16C33/605—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings with a separate retaining member, e.g. flange, shoulder, guide ring, secured to a race ring, adjacent to the race surface, so as to abut the end of the rolling elements, e.g. rollers, or the cage
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/08—Details or arrangements of sealings not provided for in group F16D3/84
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
- F16D3/41—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes with ball or roller bearings
Abstract
The invention relates to a sealing device (11) having an insert (12) used for a rolling bearing, the insert has a pre-tensioning structure (19) designed for pre-tensioning a rolling body (15) of the rolling bearing along an axial direction, and the pre-tensioning structure (19) and the insert (12) are integrally formed; the sealing device also has at least one sealing body (18) designed for sealing a gap between a shell (13) and a member rotatably supported in the shell (13), and the sealing device (11) is at least partially inserted in the gap; the insert (12) has at least one section protruding from the sealing body (18) and used as a holding mechanism (21); and the holding structure is designed for fixing the insert (12) and/or sealing device (11) on the shell (13). The invention also relates to a universal joint having a bearing sleeve (13) and/or a bearing sleeve (13) which have the abovementioned sealing device (11), wherein the sealing device (11) is at least partially inserted in the bearing sleeve (13).
Description
Technical field
The inserts that the present invention relates to the seal arrangement for rolling bearing, the seal arrangement with this inserts, there is the bearing sleeve of seal arrangement and there is the universal joint of bearing sleeve.
Background technique
Seal arrangement can use in many bearing meanss or rolling bearing.In most cases by the gap between seal arrangement seal casinghousing and component, described member being rotatable ground is arranged in the housing.For various reasons, such as, in order to stable or reinforce seal arrangement or also can in order to be fixed on housing by seal arrangement, seal arrangement can comprise inserts or supporting ring or similar structure.
The seal arrangement with inserts such as can be used in the bearing sleeve for joint (may be universal joint or cross shaped joint).In order to ensure the lasting functional of universal joint or bearing sleeve, need to caused by design, the sealing gap that exists between bearing sleeve and the axle journal of wherein rotating support respectively.Seal arrangement should stop the oiling agent be stored in bearing sleeve to flow out and the inside that another aspect is stopped or at least decreasing pollution thing invades bearing sleeve from environment as used herein.
Fig. 2 shows the schematic diagram of the cross section of the conventional sealing apparatus 1 of the conventional insert 2 of the bearing sleeve 3 had for universal joint.Wherein whole universal joint is not shown but region 4 is only shown, the unshowned axle journal of universal joint is arranged in this region, and it is arranged in bearing sleeve 3 rotationally.For arranging multiple cylindrical rolling element between the region 4 of axle journal and bearing sleeve 3, wherein rolling element 5 can be seen.
Seal arrangement 1 has outside seal ring 6 and inner sealing ring 7, and they are adjacent to arrange vertically.Inner sealing ring 7 has seal 8 and inserts 2, and this inserts is partly arranged on the inside of seal 8.Inner sealing ring 7 is arranged on rolling element 5 side on the inner circumference of bearing sleeve 3 vertically at intervals, and torsionally with is hermetically connected with bearing sleeve 3 at this.The portion section outstanding from the seal 8 of inner sealing ring 7 of inserts 2 embeds the recess of the inner circumference of bearing sleeve 3.Inner sealing ring 7 is anti-is thus locked axially.This is especially needs due to the effect of disc spring 9, and this disc spring is arranged between inner sealing ring 7 and rolling element 5 vertically.Disc spring 9 is pressed on unshowned block plate by axially opposed for rolling element 5, and this block plate abuts on same unshowned bearing sleeve base plate, and disc spring 9 is bearing on inner sealing ring 7 at this.Because rolling element 5 is clamped in this way, therefore bearing sleeve 3 and seal arrangement 1 and rolling element 5 are operated as a unit, and as unit by pushing sleeve on unshowned axle journal.This disc spring 9 is independent components, and it is assembled as independent part when seal arrangement 1 assembles.
Need to provide and assemble a large amount of independent parts in a word in bearing sleeve 3 with the preassembly of rolling element 5, sleeve self, inside and outside seal ring 7 and 8 and disc spring 9.Assembling thus and preparing different component is separately sometimes compare to expend with troublesome.The described assembling about independent part, the expending to increase and certainly also can occur in for the encapsulation scheme of other bearing of storage and preparation, such as, when on the outer ring that seal arrangement is arranged on rolling bearing.
Summary of the invention
Therefore technical problem to be solved by this invention is, in simple assembling, especially improve the technological scheme being used for sealed rolling bearing.
This technical problem is solved by a kind of seal arrangement with inserts for rolling bearing, and wherein, inserts has the pre-pressing structure of the rolling element being designed for pretension rolling bearing vertically, and this pre-pressing structure and inserts are integrally formed; Described seal arrangement also has at least one seal, and it is designed for enclosing housing and is rotatably supported in the gap between the component in housing, and described seal arrangement embeds in described gap at least in part;
Wherein, inserts has at least one section of giving prominence to from seal, and this section is used as holding structure;
Wherein, this holding structure is designed for and inserts and/or seal arrangement is fixed on housing.
Have in the seal arrangement of inserts according to of the present invention for rolling bearing, the pre-pressing structure being designed for the rolling element of pretension rolling bearing vertically of this inserts and inserts are integrally formed.Not independent component by pre-pressing structure, the quantity of independent part can be reduced in certain embodiments.Therefore reduce the quantity of installation step if desired or simplify assembling.
In certain embodiments, pre-pressing structure comprises disc spring.Therefore can realize pretension similar or even identically with legacy system, between inserts and rolling element, embed dismountable disc spring in conventional systems.
As a supplement or alternative, inserts comprises holding structure, and holding structure is designed for and inserts and/or seal arrangement is fixed on housing.In certain embodiments inserts therefore also achieve fixing and/or keep function and seal arrangement at least vertically and even may circumferentially be fixed.
As a supplement or alternative, inserts is configured to stabilizers section at least in part, for stabilized seal device.Therefore the sealing characteristics of seal arrangement can be improved in certain embodiments if desired, because the distortion of seal arrangement is limited by stabilizers section at least in some regions.
Embodiments of the invention also relate to a kind of for rolling bearing, the seal arrangement with the inserts described according at least one embodiment.Described seal arrangement comprises seal, and it is designed for seal casinghousing and is rotatably supported in the gap between the component in housing.Because seal arrangement need not assemble together with independent disc spring or pre-pressing structure, but be fixed on inserts by pre-pressing structure, then seal arrangement can assemble more easily in certain embodiments and be assembled with less independent number of spare parts.
As a supplement, inserts comprises at least one arm stretched out towards rolling element from seal vertically, and this arm forms pre-pressing structure.In certain embodiments, pre-pressing structure therefore can method manufacture in a straightforward manner.Pre-pressing structure can also comprise other component, such as, be arranged on a part for portion's section of seal inside and/or the part of seal itself.
As a supplement, inserts have in certain embodiments at least another from portion's section that seal stretches out, this section be used as holding structure.The axis that this holding structure extends beyond seal extends, and can realize seal arrangement simple and/or improvement fixing on housing, if desired even without the need to making seal be out of shape by this holding structure.
As a supplement or alternative, the end face directed vertically of pre-pressing structure abuts on the directed vertically end face of the seal of the radially inner side being arranged on inserts at least in part in certain embodiments.Therefore pre-pressing structure can be made to contribute to the reinforcement of seal arrangement or seal and/or stablize.
As a supplement or alternative, be connected to seal and pre-pressing structure form fit.Therefore inserts can be assembled as a component together with pre-pressing structure and seal in certain embodiments.
Embodiments of the invention also relate to the universal joint with bearing sleeve or the bearing sleeve had according to the seal arrangement described at least one embodiment, and wherein seal arrangement embeds in bearing sleeve at least in part.The quantity of the independent part in certain embodiments therefore in universal joint or bearing sleeve is lowered.Assembling can also be reduced thus expend.
In the foregoing written description, embodiment disclosed in accompanying drawing and their independent feature also can realize the multiple modification of embodiment individually in any combination.
Accompanying drawing explanation
The present invention is described in detail below by accompanying drawing.In accompanying drawing:
Fig. 1 illustrates the schematic diagram with the cross sectional view of the seal arrangement of the inserts according to a kind of embodiment on bearing sleeve.
Fig. 2 illustrates the schematic diagram of the already described cross sectional view of seal arrangement traditional on bearing sleeve.
Embodiment
In the following explanation of accompanying drawing, some exemplary embodiments are only shown, identical or that function is identical parts are marked with identical reference character.In addition can be that parts and object use the reference character of summarizing, they repeatedly occur in embodiment or accompanying drawing, but are jointly described in view of one or more feature.The parts described with reference character that is identical or that summarize or object can in its individual characteristics, multiple feature or whole characteristic aspect, such as implement in the same manner in their size, but also can differently implement if desired, as long as expressly or implicitly do not draw other content by specification.
Fig. 1 illustrates the schematic diagram of the cross sectional view of the seal arrangement 11 bearing sleeve 13 with the inserts 12 according to a kind of embodiment.Inserts 12 for the seal arrangement 11 of rolling bearing comprises pre-pressing structure 19, and it is designed for the rolling element 15 of m pretension rolling bearing vertically.Pre-pressing structure 19 and inserts 12 are integrally formed.
This axial m is the direction with the rotation axis parallel of rolling bearing at this, and seal arrangement 11 or inserts 12 are arranged in rolling bearing.According to bearing construction form or the shape of rolling bearing, the power that pre-pressing structure 19 applies on rolling element 15 or forced direction are parallel to axial orientation, or also can in both direction and the angle axially surrounding 0 ° to 15 °.
In the embodiment in figure 1, pre-pressing structure 19 is disc springs.In other unshowned embodiments, this pre-pressing structure can be or comprise any component, it is designed for the rolling element of pretension rolling bearing vertically, and it is such as the elastic element, spring, disc spring, flexural spring, helical spring, diaphragm spring, sheet spring, elastomeric spring and/or the like that are made up of elastomer.
In the embodiment in figure 1, rolling element 15 is the needle rollers for the bearing sleeve 13 in universal joint.In other unshowned embodiments, also can arrange other rolling element all possible, they achieve the relative housing of component and movably support, and rolling element is such as cylindrical roller, tapered roller, ball, barreled roller and/or similar.In traditional universal joint bearing, mostly use disc spring at main sealing device or between seal arrangement and rolling element group (as described in Figure 2), for pretension rolling element vertically or the needle roller group that uses as rolling element.The independent component of the most of conduct of disc spring uses for this reason.In the inserts 12 of the embodiment of Fig. 1, relatively the function of disc spring or pre-pressing structure 19 is integrated in inserts 12, and inserts 12 also can be called as the insert structure of seal arrangement 11.Therefore can saving member cost and assembly cost when assembling, component self and assembly process.
Not shown whole universal joint in FIG, but the region 14 of the unshowned axle journal for universal joint is only shown, this axle journal to be rotatably supported in bearing sleeve 13 and to introduce the inside of bearing sleeve 13 for this reason from the first axial end portion 20 of bearing sleeve 13.For between the region 14 of axle journal and bearing sleeve 13 except the visible rolling element of Fig. 1 also arranges multiple cylindrical rolling element, they are circumferentially spaced.Rolling element 15 can be lubricated by oiling agent in some cases.Unshowned block plate on the base plate of axle journal and rolling element 15 relative bearing sleeve 13 vertically respectively by against, be positioned at bottom this on end opposed with the first axial end portion 20 of relative bearing sleeve 13.In the region of the first axial end portion 20, there is annulus in (after axle journal is assembled) between axle journal and bearing sleeve 13, and it is closed by seal arrangement 11.
Seal arrangement 11 has outside seal ring 16 and comprises the inner sealing ring 17 of inserts 12.Two seal rings 16 and 17 are adjacent to arrange vertically.In the region of the first axial end portion 20 of bearing sleeve 13, the outside of bearing sleeve 13 is arranged at this outside seal ring 16.The inner sealing ring 17 with inserts 12 and pre-pressing structure 19 is arranged on the inside of bearing sleeve 13, and directly abuts rolling element 15.
Inner sealing ring 17 also has seal 18 except the inserts 12 (it is also referred to as supporting ring) with pre-pressing structure 19, and it has radially outward and to recline the parts 18-a of inserts and the parts 18-b of the inserts that radially-inwardly reclines.Therefore inserts 12 is at least partially disposed in seal 18.Inserts 12 be arranged on that seal 18 is inner or overlapping with seal 18 vertically and the portion's section contacting seal 18 is called as stabilizers section 23, it is for stabilized seal device 11 or inner sealing ring 17.
Seal 18 can be made up of fluorine rubber, other elastomeric material and/or other elastic material.Inserts 12 and/or pre-pressing structure 19 can be made up of all viable material, such as metal, steel or spring steel.Inserts 12 and pre-pressing structure 19 can be manufactured from the same material.The material of seal 18 is such as different from the material of inserts 12.Seal 18 is connected with inserts 12 in the embodiment shown in fig. 1 or combines.For this reason, inserts has unshowned opening (multiple), meets at the parts 18-b of opening radially outer and the parts 18-a of inner radial and is interconnected.In other unshowned embodiments, these openings can be cancelled and/or also can cancel the seal of radial outside at least in part or even fully.Such as seal and inserts can form fit and/or the attachments mutually of frictional fit ground.This inserts is such as a component, and it abuts on seal at least in part.Described inserts can have harder than seal or that elasticity is more weak material.
There is the inserts 12 of pre-pressing structure 19 as blanking part manufacture.In other unshowned embodiments, also can realize described integrality by alternate manner and method.The connection of the integral type of two components, such as inserts and pre-pressing structures such as by the connection of two components, such as realized by the connection of form fit and/or force closure, such as rivet, weld, crimp, bolt connection, soldering, bonding and/or similar connection.Alternatively, two components also can integrally be made, such as, as component or the like parts of blanking part, forge piece, foundry goods, cutting manufacture.
Inserts 12 has Z-shaped shape in cross-section, and wherein two arms stretch out from seal 18.Described arm is connected respectively vertically opposedly with in seal 18 inside, already described stabilizers section 23.An arm is used at least partly as holding structure 21, and bench shape is formed.Holding structure 21 exceedes seal 18 vertically and extends to a radial height (holding structure 21 stretches out from seal 18 on this height) and the side extending to pre-pressing structure 19 dorsad vertically.By holding structure 21, seal arrangement 11 can be fixed on bearing sleeve 13 or other housing, in such as, hole in outer ring or housing.In order to circumferentially fixing seal device 11 or seal ring 17, holding structure can have the diameter forming interference fit with the internal surface of bearing sleeve 13 on its excircle.
Another, comprise already described pre-pressing structure 19 towards rolling element 15 from the arm that seal 18 stretches out vertically.This pre-pressing structure 19 abuts in the end face pointed to vertically on the end face directed equally vertically of the parts 18-a of seal 18 at least partly.Pre-pressing structure 19 does not abut on the end face 24 directed vertically on the parts 18-b of seal 18.
Seal 18 or parts 18-a in the region of the radially inner side of diameter m (rolling element 15 is arranged on this diametrically with its central point) with pre-pressing structure 19 separately.In other unshowned embodiments, pre-pressing structure also can continue radially-inwardly or outwards to abut on seal.
Inner sealing ring 17 also vertically compartment of terrain rolling element 15 side, be arranged on bearing sleeve 13 inner circumference on and at this torsionally and be connected with bearing sleeve 13 hermetically.This realizes on the one hand thus, and namely the seal 18 of inner sealing ring 17 abuts on bearing sleeve 2 by pretightening force.On the other hand, the holding structure 21 stretched out from seal 18 of inserts 12 embeds the recess of inner circumference of bearing sleeve 13 as previously mentioned, that is occlusion axial stop 22.Do not have in the embodiment of the radially outer element of seal at some, the relative bearing sleeve of holding structure is only fixed by interference fit.In other unshowned embodiments, these connections can be carried out by other housing relatively, and axle journal or other component can be rotated to support in this other housing.
Inner sealing ring 17 is by holding structure 21 locking axial slip.This is especially in view of the effect of pre-pressing structure 19 is needs.Rolling element 15 is pressed on unshowned block plate by pre-pressing structure 19 vertically, and this block plate to be arranged on unshowned bottom and to be arranged on the side of seal arrangement dorsad 11 of bearing sleeve 13.Because rolling element 15 is clamped in this way, the bearing sleeve 13 comprising seal arrangement 11 and rolling element 15 can be operated as a unit and pushing sleeve on axle journal.
The inner circumference of the seal 18 of inner sealing ring 17 forms sealing lip 27, and it abuts on axle journal in assembling condition.By around helical spring (it is also referred to as screw thread spring) sealing lip 27 can be pressed on axle journal.Near sealing lip 27, form sealing lip 29, its have very long extension shape and by the orientation that outwards departs from from axial-radial towards the outside seal ring 16 extend and abut in its seal.In other unshowned embodiments, other shape also can be cancelled or have to the second sealing lip.Sealing ring also has other sealing lip alternatively.
Outside seal ring 16 is fixed in radial groove 30 vertically, and on the face that its radially outward being positioned at bearing sleeve 13 points to, it also can be other housing or other outer ring.Outside seal ring 16 has seal 31 and supporting ring 32 or inserts equally.The seal 31 of outside seal ring 16 is preferably made up of fluorine rubber or other elastomeric material.The supporting ring 32 of outside seal ring 16 is made of metal and has the cross section of C shape.
Even if water or other foreign material invade in the region sealed by outside seal ring 16, they also can not arrive in the inside of bearing sleeve 13, but may be stopped by inner sealing ring 17, this inner sealing ring also can be called as the seal arrangement of the universal-joint bushing for having integrated disc spring.In some unshowned embodiments, seal arrangement only comprises inner sealing ring.It also can combine with other outside seal ring alternatively, such as, do not have inserts or have the seal ring of sealing lip of varying number.
According to the inserts of a kind of embodiment and/or seal arrangement also can in all possible rolling bearing (not only as described in accompanying drawing) for the bearing sleeve of universal joint.Such as seal arrangement and/or inserts may be used in all possible bearing, and it is rotatably support two components such as, and bearing is such as in vehicle, in Work machine, on axle, in speed changer, in joint shaft, in universal-joint bushing and/or similar means.At this, bearing is such as the ball bearing of row or multiple row layout, tapered roller bearing, needle bearing, roller bearing and/or similar bearing.
In the foregoing written description, embodiment disclosed in accompanying drawing and their independent feature also can realize the various structures modification of embodiment individually in any combination.
List of numerals
1 seal arrangement
2 inserts
3 bearing sleeves
4 for the region of axle journal
5 rolling elements
6 outside seal rings
7 inner sealing rings
8 seals
9 disc springs
11 seal arrangements
12 inserts
13 bearing sleeves
14 for the region of axle journal
15 rolling elements
16 outside seal rings
17 inner sealing rings
18 seals
19 pre-pressing structures
20 axial end portions
21 holding structures
22 axial stop
23 stabilizers sections
24 end faces
27 sealing lips
28 helical springs
29 sealing lips
30 radial grooves
31 seals
32 supporting rings
M axially
Claims (7)
1. the seal arrangement (11) with inserts (12) for rolling bearing, wherein, described inserts has pre-pressing structure (19), and it is designed for the rolling element (15) of pretension rolling bearing vertically; Wherein, pre-pressing structure (19) and inserts (12) are integrally formed;
Described seal arrangement (11) has at least one seal (18), its be designed for be enclosed in housing (13) and be rotatably supported in this housing (13) component between gap, seal arrangement (11) embeds in described gap at least in part;
Wherein, inserts (12) has at least one section of giving prominence to from seal (18), and this section is used as holding structure (21);
Wherein, this holding structure is designed for and inserts (12) and/or seal arrangement (11) is fixed on housing (13).
2. according to seal arrangement according to claim 1, wherein, inserts (12) comprises at least one vertically towards the arm that rolling element (15) stretches out from seal (18), and this arm forms described pre-pressing structure (19).
3. according to the seal arrangement one of aforementioned claim Suo Shu, wherein, inserts is configured to stabilizers section (23) at least in part, for stabilized seal device (11).
4. according to the seal arrangement one of aforementioned claim Suo Shu, wherein, pre-pressing structure (19) comprises disc spring.
5. according to the seal arrangement one of aforementioned claim Suo Shu, wherein, the end face directed vertically of pre-pressing structure (19) abuts on the directed vertically end face of the seal (18) of the radially inner side being arranged on inserts (12) at least in part.
6. according to the seal arrangement one of aforementioned claim Suo Shu, wherein, seal (18) is connected with pre-pressing structure (19) form fit ground.
7. one kind has universal joint and/or a kind of bearing sleeve (13) of bearing sleeve (13), they have according to the seal arrangement (11) one of aforementioned claim Suo Shu, wherein, described seal arrangement (11) embeds in bearing sleeve (13) at least in part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014215000.0A DE102014215000B4 (en) | 2014-07-30 | 2014-07-30 | Seal for a roller bearing, universal joint and bearing bush with the seal |
| DE102014215000.0 | 2014-07-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105317847A true CN105317847A (en) | 2016-02-10 |
| CN105317847B CN105317847B (en) | 2021-05-11 |
Family
ID=55079475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510461239.3A Active CN105317847B (en) | 2014-07-30 | 2015-07-30 | Insert for a rolling bearing seal, universal joint and bearing bush |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN105317847B (en) |
| BR (1) | BR102015018187B1 (en) |
| DE (1) | DE102014215000B4 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017205270A1 (en) | 2017-02-09 | 2018-09-20 | Aktiebolaget Skf | Universal joint bearings |
| US10570965B2 (en) | 2017-05-23 | 2020-02-25 | Aktiebolaget Skf | Universal joint bearing |
| US11168739B2 (en) | 2019-05-24 | 2021-11-09 | Aktiebolaget Skf | Structural unit, universal joint bearing and assembling procedure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017107511B4 (en) | 2017-04-07 | 2021-12-30 | Schaeffler Technologies AG & Co. KG | Sealing element and bearing arrangement with this |
| JP7252824B2 (en) * | 2019-05-08 | 2023-04-05 | 株式会社ジェイテクト | Sealed structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050571A (en) * | 1997-01-17 | 2000-04-18 | Ina Walzlager Schaeffler Ohg | Sealing arrangement for a cardan spider bushing |
| JP2002106593A (en) * | 2000-09-28 | 2002-04-10 | Koyo Seiko Co Ltd | Universal joint |
| JP2002106594A (en) * | 2000-09-28 | 2002-04-10 | Koyo Seiko Co Ltd | Universal joint |
| CN1844687A (en) * | 2005-04-07 | 2006-10-11 | Skf股份公司 | Bearing device comprising bearing sheath and a sealed assembly |
| US20080131044A1 (en) * | 2006-12-04 | 2008-06-05 | Ab Skf | Antifriction Bearing for Supporting an Axle or Journal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7037239U (en) | 1971-01-07 | Nadella Rueil Malmaison | ||
| DE9014393U1 (en) | 1990-10-17 | 1991-01-03 | Skf Gmbh, 8720 Schweinfurt, De | |
| DE4128179A1 (en) | 1991-08-24 | 1993-02-25 | Skf Gmbh | Seal for bearing sockets esp. for cross joints - has dirty water chamber drained off to outside when bearing is stationary |
| DE20300853U1 (en) | 2003-01-21 | 2003-03-20 | Skf Ab | Roller bearing arrangement comprises outer part, relatively to which inner part rotates and roller body arranged between parts, roller body having elongated shape, with seal sealing outer part to inner part |
| DE202004006818U1 (en) | 2004-04-28 | 2005-09-08 | Ab Skf | Bearing unit for mounting of a journal comprises an axial stop disk which consists of a plastic material based on polyphenyl sulphide or polyphthalamide |
-
2014
- 2014-07-30 DE DE102014215000.0A patent/DE102014215000B4/en active Active
-
2015
- 2015-07-29 BR BR102015018187-6A patent/BR102015018187B1/en active IP Right Grant
- 2015-07-30 CN CN201510461239.3A patent/CN105317847B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050571A (en) * | 1997-01-17 | 2000-04-18 | Ina Walzlager Schaeffler Ohg | Sealing arrangement for a cardan spider bushing |
| JP2002106593A (en) * | 2000-09-28 | 2002-04-10 | Koyo Seiko Co Ltd | Universal joint |
| JP2002106594A (en) * | 2000-09-28 | 2002-04-10 | Koyo Seiko Co Ltd | Universal joint |
| CN1844687A (en) * | 2005-04-07 | 2006-10-11 | Skf股份公司 | Bearing device comprising bearing sheath and a sealed assembly |
| US20080131044A1 (en) * | 2006-12-04 | 2008-06-05 | Ab Skf | Antifriction Bearing for Supporting an Axle or Journal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017205270A1 (en) | 2017-02-09 | 2018-09-20 | Aktiebolaget Skf | Universal joint bearings |
| US10859114B2 (en) | 2017-02-09 | 2020-12-08 | Aktiebolaget Skf | Universal joint bearing |
| US10570965B2 (en) | 2017-05-23 | 2020-02-25 | Aktiebolaget Skf | Universal joint bearing |
| US11168739B2 (en) | 2019-05-24 | 2021-11-09 | Aktiebolaget Skf | Structural unit, universal joint bearing and assembling procedure |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014215000A1 (en) | 2016-02-04 |
| DE102014215000B4 (en) | 2022-09-29 |
| BR102015018187B1 (en) | 2022-08-16 |
| BR102015018187A2 (en) | 2016-03-15 |
| CN105317847B (en) | 2021-05-11 |
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