CN104696357A - Knuckle bearing and steering system adopting same - Google Patents
Knuckle bearing and steering system adopting same Download PDFInfo
- Publication number
- CN104696357A CN104696357A CN201510112311.1A CN201510112311A CN104696357A CN 104696357 A CN104696357 A CN 104696357A CN 201510112311 A CN201510112311 A CN 201510112311A CN 104696357 A CN104696357 A CN 104696357A
- Authority
- CN
- China
- Prior art keywords
- seal groove
- inner ring
- outer ring
- ring seal
- link
- 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.)
- Pending
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Classifications
-
- 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
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0666—Sealing means between the socket and the inner member shaft
- F16C11/0671—Sealing means between the socket and the inner member shaft allowing operative relative movement of joint parts due to flexing of the sealing means
-
- 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
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0614—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part of the joint being open on two sides
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a knuckle bearing and a steering system adopting the same. The knuckle bearing comprises an outer ring (12), an inner ring (14), a seal element (30), a first connecting element (50) and a second connecting element (150), wherein the seal element (30) is provided with a first edge (32) arranged in an inner ring seal groove (40) in the end part of the inner ring (14) and a second edge (34) arranged in an outer ring seal groove (42) in the end part of the outer ring (12); the first connecting element (50) is arranged between the first edge of the seal element (30) and the inner ring seal groove (40) and enables the first edge and the inner ring seal groove to slide relatively; the second connecting element (150) is arranged between the second edge of the seal element (30) and the outer ring seal groove (42) and enables the second edge and the outer ring seal groove to slide relatively.
Description
Technical field
The present invention relates to joint shaft bearing, particularly relate to the joint shaft bearing for vehicle, the invention still further relates to the steering system using this joint shaft bearing.
Background technique
Joint shaft bearing generally comprises and is placed in outer ring and the inner ring that can rotate in this outer ring.Described inner ring has an outer surface, and described outer ring has for holding and keeping an internal surface of this inner ring, thus the outer surface of this inner ring is engaged with the internal surface of described outer ring in sliding manner.In some cases, stuffing box gland can also be used to seal, the abutted surface of described inner ring and outer ring to prevent the above-mentioned two sliding type engaging surfaces of contaminating impurity such as dirt, water, particulate matter.
Generally speaking, described stuffing box gland is stretched on the abutted surface of described inner ring and outer ring.One edge of described stuffing box gland is fixedly held in the seal groove on described inner ring, and the second edge of described stuffing box gland is then fixedly held in the seal groove on described outer ring.Under this Placement, the described two edges of stuffing box gland are fixed and put in place and cannot move.Thus the rotation of described inner ring in outer ring can make the material of stuffing box gland by phase strain stretch.
Along with repeatedly stretching of stuffing box gland, can there is plastic deformation in the material making sealing cover in time gradually.The plastic deformation of this material can make stuffing box gland performance impairment, thus brings adverse effect to the joint shaft bearing using sealing to overlap.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of joint shaft bearing of improvement, brings adverse effect to avoid stuffing box gland to produce less desirable plastic deformation in bearing using process to bearing.
For solving the problems of the technologies described above, a first aspect of the present invention provides a kind of joint shaft bearing, comprising: outer ring, has a central shaft, and the position near cycle surface on the outer surface of described outer ring is provided with outer ring seal groove; Inner ring, to be arranged in described outer ring and can around the relatively described outer ring rotating of the central shaft of described outer ring, and the position near inner ring end face on the outer surface of described inner ring is provided with inner ring seal groove, and described inner ring seal groove is not blocked by described outer ring; Sealing, has the first edge being arranged in inner ring seal groove and the second edge being arranged in outer ring seal groove; And to be located between the first edge of described Sealing and inner ring seal groove and to make can produce between described first edge and inner ring seal groove the first link of relative sliding, and/or to be located between the second edge of described Sealing and outer ring seal groove and to make can produce between described second edge and outer ring seal groove the second link of relative sliding.
A second aspect of the present invention also provides a kind of steering system, comprising: a framework; One the steering gear and two wheel hubs, be connected to described framework all in a rotatable manner, each wheel hub all has an outwardly directed control arm, wherein, one far-end of each described control arm is connected with described the steering gear in a rotatable manner respectively by a pull bar, each wheel hub also has a plunger arm, and one end of described plunger arm is connected on corresponding control arm in a rotatable manner, and the other end of described plunger arm is connected to described framework in a rotatable manner; And aforesaid joint shaft bearing, be arranged at the opposite end of each described pull bar and each described plunger arm, thus formed with at least one in described framework, control arm and the steering gear and be connected turnably.
By arranging link between the edge and corresponding seal groove of Sealing, the edge energy opposing seal groove of Sealing is slided, thus when the inner ring of joint shaft bearing rotates in outer ring, Sealing can rotate together along with inner ring and/or outer ring, avoid the repeatedly flexible of Sealing and plastic deformation, effectively can extend the working life of Sealing, and and then guarantee joint shaft bearing and adopt its steering system normally to work.
Accompanying drawing explanation
Fig. 1 is the joint shaft bearing sectional view of the present invention one specific embodiment.
The partial cross section figure that Fig. 2 is joint shaft bearing shown in Fig. 1.
The partial cross section figure that Fig. 3 is joint shaft bearing shown in Fig. 1, for showing stuffing box gland and link.
The three-dimensional cross-section diagram of the link that Fig. 4 is joint shaft bearing shown in Fig. 1.
The partial cross section figure that Fig. 5 is another specific embodiment of joint shaft bearing shown in Fig. 1.
Fig. 6 is schematic diagram when joint shaft bearing shown in Fig. 1 is installed in steering system.
Embodiment
As shown in Figure 1, be the joint shaft bearing sectional view of the present invention one specific embodiment.The inner ring 14 that described joint shaft bearing 10 comprises an outer ring 12 and is arranged in described outer ring 12.This inner ring 14 is approximately a spheroid, and its end to protrude from beyond outer ring 12 and has the through hole 15 run through wherein, and this through hole shows greatly axis centered by the axis A through joint shaft bearing 10.Through hole 15 for receiver portion axis body or other element, but the present invention is not limited thereto, and the elements such as inner ring 14 and axis body can also be formed one, or on the whole as a part for element.In addition, although above hole 15 is described and be illustrated as the through hole running through inner ring 14 completely, the present invention is not limited to this.Described hole also can not through inner ring and only extend to a certain position of its inside.
In the illustrated embodiment, described outer ring 12 is for having a ring bodies of an internal surface 16.This internal surface 16 is concave spherical surface, for holding the convex spherical 20 of inner ring 14.The internal surface 16 of described outer ring 12 can be movable relatively with the convex spherical 20 of inner ring 14, inner ring 14 can be rotated around axis A in outer ring 12, in addition, also can produce relative sliding between inner ring 14 and outer ring 12, the axis body making to be connected to inner ring or be arranged in inner ring produces the motion departing from above-mentioned axis A.Although above, outer ring 12 is described and be illustrated as a ring bodies, the present invention is not limited to this.When not departing from other side of the present invention, outer ring can have the shape of any practical application, or as the parts of other elements such as shell.
Joint shaft bearing 10 comprises the bearing seal cover 30 (hereinafter referred to as " stuffing box gland 30 ") be located on outer ring 12 and inner ring 14 abutted surface, enter in joint shaft bearing 10 for preventing chip and impurity, more specifically, for preventing chip and impurity from falling into the slidingsurface be made up of above-mentioned convex spherical 20 and internal surface 16.As shown in the figure, joint shaft bearing 10 can comprise two the described stuffing box glands 30 being placed in relative both sides respectively.
Inner ring 14 can be made up of steel or other metal based alloys, includes but not limited to, aluminium, titanium, nickel, copper, cobalt etc.Such as, inner ring 14 can by AISI 52100, AISI 440C, 4340 or 4130 alloyed steels, and the materials such as 17-4PH, 15-5PH, 13PH-8MO are made.Inner ring 14 also can have enough hardness by other or make by the material that heat treatment or surface treatment obtain enough hardness.In addition, can also chromium plating on inner ring 14.
Outer ring 12 can by steel, alloyed steel, or other suitable material is made.Described alloyed steel includes but not limited to 4340,4130,17-4PH, 15-5PH, 13PH-8MO etc.Outer ring 12 also can be made up of the material being suitable for making the convex spherical self-lubricating coat in use material of inner ring 14 or the matching effect face of glossy metal to metal bearing.Described outer ring 12 and inner ring 14 can be made up of commaterial or different materials.
As shown in Figure 2, inner ring 14 is formed with the inner ring seal groove 40 of annular near the position of a side end face.Outer ring 12 is formed near the position of the same side end face the outer ring seal groove 42 of annular.In joint shaft bearing 10, the central shaft of inner ring seal groove 40 and the central shaft of outer ring seal groove 42 all roughly overlap with axis A, and inner ring seal groove 40 is not blocked by outer ring 12.
Continue with reference to figure 2, joint shaft bearing 10 also can comprise the self-lubrication coating material be coated on inner ring 14 convex spherical, for the formation of a smooth liner 24.But the present invention is not limited thereto, described smooth liner 24 is optional.In the embodiment using smooth liner 24, the self-lubrication coating material of the smooth liner 24 of above-mentioned formation can coat one in the convex spherical 20 of inner ring 14 and the internal surface 16 of outer ring 12 or both on.Use at joint shaft bearing 10 in the embodiment of smooth liner 24, suitable process is carried out to reach the surface roughness (as sand blast) of expectation to the one in the convex spherical 20 of inner ring 14 and the internal surface 16 of outer ring 12 or both.After described surface cleaning drying, apply described cladding material thereon by techniques such as spraying, spin coating, dip-coating, note painting, snearings.After self-lubrication coating material coating terminates, above-mentioned cladding material is made to harden and be machined to required size, to form above-mentioned smooth liner 24 by appropriate process.
Smooth liner 24 is the liner systems that a yarn fabric be made into by teflon (PTFE) fiber or its blend fiber is formed.The fiber that can mix with PTFE includes but not limited to cotton fiber, polyester fibre, glass fibre, carbon fiber, nylon and aramid fiber etc.Wherein, aramid fiber can use E.I.Du Pont Company to produce
and
product.In addition, can also at above-mentioned yarn fabric outer wrapping thermosetting property or thermoplastic resin material.Except other fiber and described resin, PTFE fiber also can use shortly cuts PTFE fiber.
As shown in Figures 2 and 3, first edge 32 of stuffing box gland 30 is for being arranged in inner ring seal groove 40, unlike the prior art, joint shaft bearing 10 of the present invention is provided with the first link 50 between first edge 32 and inner ring seal groove 40 of stuffing box gland 30, makes can produce relative sliding between described first edge 32 and inner ring seal groove 40.For achieving the above object, suitable material can be selected, make the first friction factor between the first link 50 and the first edge 32 be different from the second friction factor between the first link 50 and inner ring seal groove 40.In the present embodiment, the first friction factor between the first link 50 and the first edge 32 is made to be greater than the second friction factor between the first link 50 and inner ring seal groove 40, and preferably, make more than the first friction factor order of magnitude larger than the second friction factor, thus the first link 50 is under the effect of frictional force, relative first edge 32 is static, and can relatively slide by inner ring seal groove 40, when the first link 50 rotates in inner ring seal groove 40, it almost can rotate in the mode synchronous with it with movable sealing sleeve 30.So, just can eliminate the resistance (as frictional force) between stuffing box gland 30 material and inner ring 14 material, thus prevent stuffing box gland material to be excessively stretched.It will be appreciated by persons skilled in the art that and also above-mentioned first friction factor can be set to be less than above-mentioned second friction factor, the first link 50 can be slided at relative first edge 32, and inner ring seal groove 40 is static relatively.
Second edge 34 (see Fig. 5) of stuffing box gland 30 is arranged in outer ring seal groove 42 (see Fig. 2) in an interference fit.When being snapped in by stuffing box gland 30 after in above-mentioned two seal grooves, described stuffing box gland just can rotate relative to inner ring 14, and provides a blocking layer by tension force, with the convex spherical 20 of the internal surface 16 and inner ring 14 that prevent chip and contaminating impurity outer ring 12.Although the foregoing describe, the first link 50 is arranged in inner ring seal groove 40 and the mode of execution be arranged in an interference fit at the second edge 34 in outer ring seal groove 42, the present invention is not limited thereto.Can also change into and the second link 150 (see Fig. 5) is set in outer ring seal groove 42, or the first and second links 50 and 150 are set in seal groove 40 and 42, to improve stuffing box gland 30 rotatably simultaneously.
Although stuffing box gland 30 is herein ring bodies, the present invention is not limited thereto.The shape of stuffing box gland 30 can change according to the shape of outer ring 12, inner ring 14 and joint shaft bearing 10.
In the illustrated embodiment, the material making stuffing box gland 30 is elastomeric material, and stuffing box gland 30 can by such as natural rubber, silica gel, or is made up of synthetic elastomer materials such as nitrile, carbamate, polyurethane.Generally speaking, stuffing box gland 30 is made up of the material with certain hardness, to ensure its sealing effect and serviceability.In addition, as shown in Figure 3, stuffing box gland 30 can comprise a pleated portions 54, and this pleated portions 54 is folding or stretch with the relative sliding of inner ring 14 and outer ring 12.
As shown in Figure 4, the first link 50 comprises a ring body that cross section roughly takes the shape of the letter U and this ring body covers the whole internal surface of inner ring seal groove 40.Concrete, this ring body has the first side wall 60 and the second sidewall 62, covers respectively on the inwall of inner ring seal groove 40.First link 50 can have a kerf and make by having enough flexible material, to ensure that the first link 50 can be broken into two with one's hands and snap in inner ring seal groove 40.In addition, the shape roughly taken the shape of the letter U of the first link 50 can make it overlap first edge 32 of 30 by described the first side wall 60 and the second sidewall 62 fixing seal.As shown in the figure, the surface portion of the first side wall 60 in the described U-shaped of formation of the first link 50 also comprises from the first side wall 60 outwards substantially vertical flange 66 extended.When the first link 50 is snapped in inner ring seal groove 40, this flange 66 is in the respective edges place of inner ring 14, thus the first edge 32 of stuffing box gland 30 is directly contacted with not producing between inner ring seal groove 40, ensures the smooth and easy of its relative sliding.
In the illustrated embodiment, the first link 50 is made up of polymer, but the present invention is not limited thereto.First link can be made up of any its material slided in inner ring seal groove 40 that makes.The shape of the first link 50 is also not limited to cross section as shown in the figure and is roughly the shape of U-shaped, also can adopt any suitable shape (as V-arrangement, rectangle etc.).
As shown in Figure 5, joint shaft bearing 10 also can comprise the second link 150, and in the embodiment with the second link 150, described second link is arranged in outer ring seal groove 42, and connects the second edge 34 of stuffing box gland 30.Second link 150 is roughly identical with the first link 50, that is, having the cross section be at least made up of the first and second sidewalls is the shape of U-shaped.By arranging the second link 150 in joint shaft bearing 10, stuffing box gland 30 almost rotates with the rotational synchronization of the second link 150 in outer ring seal groove 42, thus the resistance (as frictional force) can eliminated between stuffing box gland 30 material and inner ring 14 material, be excessively stretched to prevent stuffing box gland material.The present invention is not limited to the mode of execution that the second link 150 and the first link 50 use simultaneously.In other embodiments, joint shaft bearing 10 also can only include the second link.
Joint shaft bearing 10 of the present invention can be used to, in different occasion and application, include, but not limited to suspension system and the steering system of vehicle.In one embodiment, joint shaft bearing 10 can be used for the suspension system of vehicle, in the suspension system of the especially military use such as tank and haulage vehicle vehicle.The application of joint shaft bearing 10 is not limited thereto, and can also be used for other purposes, such as, and the heavy equipments such as heavy-duty truck, dumping car, fire-fighting truck, mining and construction equipment vehicle.
As shown in Figure 6, be the steering system 70 comprising a steering gear 72 and two wheel hubs 74.The steering gear 72 and wheel hub 74 are fixed on the diverse location of vehicle frame 76 all in a rotatable manner.Each wheel hub 74 all has outwardly directed control arm 78, and the far-end 80 of each control arm 78 is connected with the steering gear 72 in a rotatable manner by a pull bar 82.In addition, each wheel hub 74 also has a plunger arm 84, and its one end is connected to the position near described far-end 80 on corresponding control arm 78 in a rotatable manner, and the other end is connected on vehicle frame 76 in a rotatable manner.Each plunger arm 84 includes the trunk portion 86 be slidably arranged in a sleeve part 88, thus make the opposite end of plunger arm 84 can according to the power be applied to it close to each other or away from.
The two ends of each pull bar 82 and each plunger arm 84 are provided with above-mentioned joint shaft bearing 10, for by its in a rotatable manner with vehicle frame 76, control arm 78, and/or the steering gear 72 connects.The steering system 70 herein mentioned can be applicable to the highway of operation in high pollution environment with in heavy haul truck.The application of the invention joint shaft bearing 10, can improve lubrication effect and reduce the pollution of impurity to joint shaft bearing, thus can extend the working life of the steering system 70 be used in this type of heavy haul truck.
Although more than invention has been described by specific embodiment, it should be appreciated by those skilled in the art, without departing from the present invention, can also multiple change be made to it and use coordinate to replace its various key element.In addition, when not departing from basic categories of the present invention, according to enlightenment of the present invention, can also make improvements for particular condition or material.Therefore, the scope of the present invention is not limited to each specific embodiment of disclosed above, and should comprise all mode of executions fallen in previously described scope.
Claims (10)
1. a joint shaft bearing (10), is characterized in that, comprising:
Outer ring (12), has a central shaft, and the position near cycle surface on the outer surface of described outer ring is provided with outer ring seal groove (42);
Inner ring (14), to be arranged in described outer ring (12) and can around the relatively described outer ring rotating of the central shaft of described outer ring, position near inner ring end face on the outer surface of described inner ring (14) is provided with inner ring seal groove (40), and described inner ring seal groove (40) is not blocked by described outer ring (12);
Sealing (30), has the first edge being arranged in inner ring seal groove (40) and the second edge being arranged in outer ring seal groove (42); And
To be located between the first edge of described Sealing (30) and inner ring seal groove (40) and to make can produce between described first edge and inner ring seal groove first link (50) of relative sliding, and/or to be located between the second edge of described Sealing (30) and outer ring seal groove (42) and to make can produce between described second edge and outer ring seal groove second link (150) of relative sliding.
2. joint shaft bearing (10) as claimed in claim 1, it is characterized in that, the first friction factor between described first link (50) and the first edge is greater than or less than the second friction factor between described first link (50) and inner ring seal groove (40); The 3rd friction factor between described second link (150) and the second edge is greater than or less than the 4th friction factor between described second link (150) and outer ring seal groove (42).
3. joint shaft bearing (10) as claimed in claim 2, is characterized in that, more than described first friction factor or the little order of magnitude larger than described second friction factor; More than described 3rd friction factor or the little order of magnitude larger than described 4th friction factor.
4. joint shaft bearing (10) as claimed in claim 1, it is characterized in that, described first link (50) covers the whole internal surface of described inner ring seal groove (40); Described second link (150) covers the whole internal surface of described outer ring seal groove (42).
5. joint shaft bearing (10) as claimed in claim 4, is characterized in that, described first link (50) also covers in the inner peripheral surface between described inner ring seal groove (40) and contiguous inner ring end face; Described second link (150) also covers on the outer peripheral surface between described outer ring seal groove (42) and contiguous cycle surface.
6. joint shaft bearing (10) as claimed in claim 1, is characterized in that, shape and the size of described first link (50) make described first edge not produce with described inner ring seal groove (40) directly to contact; Shape and the size of described second link (150) make described second edge not produce with described outer ring seal groove (42) directly to contact.
7. joint shaft bearing (10) as claimed in claim 1, is characterized in that, also comprise the self-lubrication coating material between the surface of contact being arranged on described inner ring (14) and described outer ring (12).
8. joint shaft bearing (10) as claimed in claim 1, it is characterized in that, described outer ring (12) and inner ring (14) are made of metal, described Sealing (30) is made up of the composition of any one or more in natural rubber, silica gel, nitrile, carbamate and polyurethane, described first and second links (50,150) are made up of polymer.
9. joint shaft bearing (10) as claimed in claim 1, it is characterized in that, (50,150) have at least one otch to described first and second links.
10. a steering system (70), is characterized in that, comprising:
One framework (76);
One the steering gear (72) and two wheel hubs (74), be connected to described framework (76) all in a rotatable manner, each wheel hub all has an outwardly directed control arm (78), wherein, one far-end (80) of each described control arm is connected with described the steering gear (72) in a rotatable manner respectively by a pull bar (82), each wheel hub (74) also has a plunger arm (84), one end of described plunger arm is connected on corresponding control arm (78) in a rotatable manner, the other end of described plunger arm is connected to described framework (76) in a rotatable manner, and
Joint shaft bearing as claimed in any one of claims 1-9 wherein (10), be arranged at the opposite end of each described pull bar (82) and each described plunger arm (84), thus formed with at least one in described framework (76), control arm (78) and the steering gear (72) and be connected turnably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112311.1A CN104696357A (en) | 2015-03-13 | 2015-03-13 | Knuckle bearing and steering system adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112311.1A CN104696357A (en) | 2015-03-13 | 2015-03-13 | Knuckle bearing and steering system adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104696357A true CN104696357A (en) | 2015-06-10 |
Family
ID=53343796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510112311.1A Pending CN104696357A (en) | 2015-03-13 | 2015-03-13 | Knuckle bearing and steering system adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696357A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956548A (en) * | 2017-05-17 | 2017-07-18 | 中冶赛迪工程技术股份有限公司 | One kind fine setting heart roller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157187A (en) * | 1977-11-28 | 1979-06-05 | Crane Packing Limited | Rotary mechanical face seals |
| US20040028302A1 (en) * | 1999-03-17 | 2004-02-12 | Zf Lemforder Metallwaren Ag | Ball-and-socket joint |
| WO2013117238A1 (en) * | 2012-02-10 | 2013-08-15 | Schaublin Sa | Boot seal with sliding ring for spherical plain bearing |
| US20140016888A1 (en) * | 2011-04-01 | 2014-01-16 | Roller Bearing Company Of America, Inc. | Spherical bearing with sealing member |
| CN104040194A (en) * | 2011-07-21 | 2014-09-10 | 美国滚柱轴承公司 | Low friction seal for bearings |
| CN204716755U (en) * | 2015-03-13 | 2015-10-21 | 肖柏林股份有限公司 | Joint shaft bearing and adopt its steering system |
-
2015
- 2015-03-13 CN CN201510112311.1A patent/CN104696357A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157187A (en) * | 1977-11-28 | 1979-06-05 | Crane Packing Limited | Rotary mechanical face seals |
| US20040028302A1 (en) * | 1999-03-17 | 2004-02-12 | Zf Lemforder Metallwaren Ag | Ball-and-socket joint |
| US20140016888A1 (en) * | 2011-04-01 | 2014-01-16 | Roller Bearing Company Of America, Inc. | Spherical bearing with sealing member |
| CN104040194A (en) * | 2011-07-21 | 2014-09-10 | 美国滚柱轴承公司 | Low friction seal for bearings |
| WO2013117238A1 (en) * | 2012-02-10 | 2013-08-15 | Schaublin Sa | Boot seal with sliding ring for spherical plain bearing |
| CN204716755U (en) * | 2015-03-13 | 2015-10-21 | 肖柏林股份有限公司 | Joint shaft bearing and adopt its steering system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956548A (en) * | 2017-05-17 | 2017-07-18 | 中冶赛迪工程技术股份有限公司 | One kind fine setting heart roller |
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Application publication date: 20150610 |
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