CN103807294B - A kind of seeder shaft connecting bearing - Google Patents
A kind of seeder shaft connecting bearing Download PDFInfo
- Publication number
- CN103807294B CN103807294B CN201410032831.7A CN201410032831A CN103807294B CN 103807294 B CN103807294 B CN 103807294B CN 201410032831 A CN201410032831 A CN 201410032831A CN 103807294 B CN103807294 B CN 103807294B
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- turning cylinder
- raceway groove
- forms
- outer ring
- bending part
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Abstract
The invention discloses a kind of seeder shaft connecting bearing, comprise turning cylinder and outer ring, the nearly two ends place of the main linkage section in rear portion of described turning cylinder forms two outer raceway grooves, on the inwall of outer ring, form two interior raceway grooves, two interior raceway grooves are corresponding one by one with two outer raceway grooves, two groups of ball retainer assemblies are mutually isolated and are arranged between turning cylinder and outer ring, the steel ball of ball retainer assembly is arranged on outer raceway groove and therewith between the corresponding interior raceway groove of outer raceway groove, between turning cylinder and outer ring, is provided with sealing ring; On the rear end face of turning cylinder, form center screw, in the section of being spirally connected that the middle part of turning cylinder forms, form two radial direction through hole; Described interior raceway groove and outer raceway groove are peach-shaped ditch. Its steel ball adopts 4 contacts, improves the use bearing capacity of bearing and reduces axial float, improves bearing stability, and its center screw and radial direction through hole can better be fixed on equipment bearing.
Description
Technical field:
The present invention relates to technical field of bearings, more specifically to a kind of seeder axle connecting shaftHold.
Background technology:
Existing seeder generally adopts turning cylinder and overcoat and is arranged on rotation with shaft connecting bearingSealing ring composition between axle and overcoat, makes turning cylinder logical thereby its turning cylinder is provided with the section of being spirally connectedCross on the corresponding component that the mode being spirally connected is connected to seeder, as used on cooling water pump, due toJust adopt the mode being spirally connected, service time is of a specified duration just easily loosening, and impact is used.
Meanwhile, it is simple in structure for the sealing ring at its two ends of existing shaft connecting bearing, and it is close that it adoptsSeal is the limit portion moulding bending part of planar chip, at the back side of sealing ring, seal lip is set and carries outSealing, because sealing ring is its intensity of bending part of limit portion moulding of planar chip little,Used easy distortion of a specified duration, and it is very easy to come off.
And the steel ball adopting between existing outer ring and turning cylinder coordinates with it employing is darkDitch ball mode, its 2 contact bearing capacitys are little, and axial float is large, and bearing is used notStable.
Summary of the invention:
The object of the invention is to overcome the deficiencies in the prior art, a kind of seeder axle connecting shaft is providedHold, its steel ball adopts 4 contacts, and improve the use bearing capacity of bearing and reduce axial float,Improve bearing stability, its center screw and radial direction through hole make bearing better be fixed on and to establishStandby upper, the mode that its sealing ring adopts repeatedly bending is to ensure to improve it in lightweight situation strongDegree, makes it more stable.
The scheme that the present invention solve the technical problem is:
A kind of seeder shaft connecting bearing, comprises turning cylinder and outer ring, the rear portion of described turning cylinderThe nearly two ends place of main linkage section forms two outer raceway grooves, on the inwall of outer ring, forms in twoRaceway groove, two interior raceway grooves are corresponding one by one with two outer raceway grooves, and two groups of ball retainer assemblies are mutualIsolation is arranged between turning cylinder and outer ring, and the steel ball of ball retainer assembly is arranged on outer raceway grooveBetween the corresponding interior raceway groove of outer raceway groove, between turning cylinder and outer ring, be provided with sealing ring therewith;
On the rear end face of turning cylinder, form center screw, what the middle part of turning cylinder formed is spirally connectedIn section, form two radial direction through hole, two radial direction through hole intersect and are connected;
Described interior raceway groove and outer raceway groove are peach-shaped ditch, and steel ball and interior raceway groove, outer raceway groove are respectively2 contacts.
Described sealing ring is made up of skeleton and seal lip, in the middle of the middle part of described skeleton formsThrough hole, the limit portion of skeleton forms the axial bending part of inside bending, axially the end of bending partForm radially bending part, radially the end of bending part forms the bending part of inside bending, foldingThe end of turn of bilge forms the connecting portion radially extending, and the end of connecting portion forms elasticity and pegs graftEnd, the outside bending in end of elasticity inserted terminal, axially bending part and the radially junction of bending partInwall on be fixed with seal lip;
The two ends sleeve of the main linkage section in rear portion of turning cylinder in the central through hole of two sealing rings,Seal lip elasticity is pressed against on the lateral wall of the main linkage section in rear portion, outside elasticity inserted terminal is nested inIn the annular groove forming on the madial wall at the two ends of circle.
The front end of described turning cylinder is for connecting end, connect the diameter of end be less than turning cylinder inThe diameter of the section of being spirally connected that portion forms.
Angle between described two radial direction through hole is 45 °.
Described steel ball is respectively at 2 with interior raceway groove, outer raceway groove and contacts, and its contact angle is 30 °.
Described ball retainer assembly by the arrangement being fixed with on retainer and retainer ringwiseMultiple steel balls composition.
Outstanding effect of the present invention is:
1, its steel ball adopts 4 contacts, improves the use bearing capacity of bearing and reduces axiallyPlay, improves bearing stability.
2, on the rear end face of its turning cylinder, form center screw, facilitate miscellaneous part passableBe connected with turning cylinder, and the radial direction through hole that forms two intersections is held in being spirally connected of turning cylinder,Limit turning cylinder by two alignment pins being plugged in radial direction through hole like this, improve turning cylinderWith other equipment connection effects, bearing can be better fixed on equipment.
3, its sealing ring adopts the mode of repeatedly bending to improve in the lightweight situation of guaranteeIts intensity, makes it more stable.
4, the elasticity inserted terminal of its sealing ring is nested in moulding on the madial wall at two ends of outer ringIn some annular grooves, make like this that sealing ring is more enough to be better fixed on bearing, ensure closeFeng Xing, the service life of improving bearing.
Brief description of the drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial sectional view of turning cylinder of the present invention;
Fig. 3 is partial enlarged drawing of the present invention.
Detailed description of the invention:
Embodiment, is shown in as shown in Figures 1 to 3, and a kind of seeder shaft connecting bearing, comprises rotationAxle 1 and outer ring 2, the nearly two ends place of the main linkage section 11 in rear portion of described turning cylinder 1 formsTwo outer raceway grooves 12, form 21, two interior raceway grooves of two interior raceway grooves on the inwall of outer ring 221 is corresponding one by one with two outer raceway grooves 12, two groups of ball retainer assembly 3 isolation settings mutuallyBetween turning cylinder 1 and outer ring 2, the steel ball 31 of ball retainer assembly 3 is arranged on outer fissureBetween the corresponding interior raceway groove 21 of road 12 and therewith outer raceway groove 12, turning cylinder 1 and outer ring 2Between be provided with sealing ring 4;
On the rear end face of turning cylinder 1, form center screw 13, the middle part moulding of turning cylinder 1In the section of being spirally connected having 14, forming 15, two radial direction through hole 15 of two radial direction through hole intersectsAnd be connected;
Described interior raceway groove 21 and outer raceway groove 12 are peach-shaped ditch, steel ball 31 and interior raceway groove 21,Outer raceway groove 12 is respectively 2 contacts.
Described sealing ring 4 is made up of skeleton 41 and seal lip 42, in described skeleton 41Portion forms intermediate throughholes 411, and the limit portion of skeleton 41 forms the axial bending of inside bendingPortion 412, axially the end of bending part 412 forms radially bending part 413, radially bending part413 end forms the bending part 414 of inside bending, and the end of bending part 414 formsThe connecting portion 415 radially extending, the end of connecting portion 415 forms elasticity inserted terminal 416,The outside bending in end of elasticity inserted terminal 416, axially bending part 412 and radially bending part 413The inwall of junction on be fixed with seal lip 42;
The two ends sleeve of the main linkage section 11 in rear portion of turning cylinder 1 is at the center of two sealing rings 4In through hole 411, seal lip 42 elasticity are pressed against on the lateral wall of the main linkage section 11 in rear portion,Elasticity inserted terminal 416 is nested in the annular groove forming on the madial wall at two ends of outer ring 2In 22.
The front end of described turning cylinder 1 is for connecting end 16, connects the diameter of end 16 and is less than and turnsThe diameter of the section of being spirally connected 14 that the middle part of moving axis 1 forms.
Angle between described two radial direction through hole 15 is 45 °.
Described steel ball 31 is respectively at 2 with interior raceway groove 21, outer raceway groove 12 and contacts, its contactAngle is 30 °.
Described ball retainer assembly 3 is by the arrangement being fixed with on retainer 32 and retainer 32Ringwise multiple steel ball 31 forms.
Wherein, in the time making, the outer raceway groove 12 of turning cylinder 1 and the surface of axle journal 20 all adoptImpewdance matching processing, and then machining center screw 13 on the rear end face of turning cylinder 1, like thisHave case hardness high, accuracy of thread is high has toughness, and installs reliably, and center spiral shellHole 13 is left hand thread, with the direction of rotation of turning cylinder 1, makes to be like this connected to turnThe parts of moving axis 1 are along with the rotation of turning cylinder 1 is more and more tighter, can loose or dislocations, and twoRadial direction through hole 15 can improve locking effect, can better determine by inserting two alignment pinsPosition is fixing.
Claims (5)
1. a seeder shaft connecting bearing, comprises turning cylinder (1) and outer ring (2), described inThe nearly two ends place of the main linkage section in rear portion (11) of turning cylinder (1) forms two outer raceway grooves (12),On the inwall of outer ring (2), form two interior raceway grooves (21), two interior raceway grooves (21) and twoIndividual outer raceway groove (12) is corresponding one by one, and two groups of ball retainer assemblies (3) mutually isolation arrangeBetween turning cylinder (1) and outer ring (2), the steel ball (31) of ball retainer assembly (3)Be arranged on outer raceway groove (12) and therewith between the corresponding interior raceway groove (21) of outer raceway groove (12),Between turning cylinder (1) and outer ring (2), be provided with sealing ring (4), it is characterized in that: described in turnOn the rear end face of moving axis (1), form center screw (13), the middle part of turning cylinder (1) becomesIn the section of being spirally connected (14) that type has, form two radial direction through hole (15), two radial direction through hole (15)Intersect and be connected;
Described interior raceway groove (21) and outer raceway groove (12) are peach-shaped ditch, steel ball (31) with inRaceway groove (21), outer raceway groove (12) are respectively 2 contacts;
Described sealing ring (4) is made up of skeleton (41) and seal lip (42), described boneThe middle part of frame (41) forms intermediate throughholes (411), the limit portion of skeleton (41) form toThe axial bending part (412) of interior bending, axially the end of bending part (412) forms radiallyBending part (413), radially the end of bending part (413) forms the bending part of inside bending(414), the end of bending part (414) forms the connecting portion (415) radially extending, and connectsThe end that meets portion (415) forms elasticity inserted terminal (416), elasticity inserted terminal (416)The outside bending in end, the junction of axial bending part (412) and radially bending part (413)On inwall, be fixed with seal lip (42);
The two ends sleeve of the main linkage section in rear portion (11) of turning cylinder (1) is at two sealing rings (4)Central through hole (411) in, seal lip (42) elasticity is pressed against the main linkage section in rear portion (11)Lateral wall on, elasticity inserted terminal (416) is nested on the madial wall at two ends of outer ring (2)In the annular groove (22) forming.
2. a kind of seeder shaft connecting bearing according to claim 1, is characterized in that:The front end of described turning cylinder (1) is for connecting end (16), and the diameter that connects end (16) is littleThe diameter of the section of being spirally connected (14) forming in the middle part of turning cylinder (1).
3. a kind of seeder shaft connecting bearing according to claim 1, is characterized in that:Angle between described two radial direction through hole (15) is 45 °.
4. a kind of seeder shaft connecting bearing according to claim 1, is characterized in that:Described steel ball (31) is respectively at 2 and contacts with interior raceway groove (21), outer raceway groove (12), itsContact angle is 30 °.
5. a kind of seeder shaft connecting bearing according to claim 1, is characterized in that:Described ball retainer assembly (3) is by being fixed with on retainer (32) and retainer (32)The ringwise multiple steel balls of arrangement (31) compositions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032831.7A CN103807294B (en) | 2014-01-24 | 2014-01-24 | A kind of seeder shaft connecting bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032831.7A CN103807294B (en) | 2014-01-24 | 2014-01-24 | A kind of seeder shaft connecting bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103807294A CN103807294A (en) | 2014-05-21 |
| CN103807294B true CN103807294B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410032831.7A Active CN103807294B (en) | 2014-01-24 | 2014-01-24 | A kind of seeder shaft connecting bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN103807294B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879379B (en) * | 2015-04-21 | 2016-02-24 | 徐州德源汽车零部件制造有限公司 | A kind of integral shaft connects formula fan clutch bearing |
| CN112576628A (en) * | 2020-12-30 | 2021-03-30 | 青岛泰德汽车轴承股份有限公司 | Combined bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960333A (en) * | 1989-10-16 | 1990-10-02 | The Torrington Company | Antifriction bearing assembly speed sensor |
| CN2437896Y (en) * | 2000-08-01 | 2001-07-04 | 云南省玉溪轴承有限责任公司 | Shaft coupling bearing |
| CN2599307Y (en) * | 2002-12-18 | 2004-01-14 | 金坛市天驰轴承有限公司 | four-point contact ball bearing |
| CN201363365Y (en) * | 2009-03-10 | 2009-12-16 | 镇江飞亚轴承有限责任公司 | Bolt type double row deep-groove ball bearing |
| CN201391547Y (en) * | 2009-04-24 | 2010-01-27 | 江苏苏新轴座有限公司 | Insert bearing with full-spherical surface seal |
| CN203756733U (en) * | 2014-01-24 | 2014-08-06 | 浙江五洲新春集团股份有限公司 | Coupling bearing for seeding machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6896415B2 (en) * | 2001-07-10 | 2005-05-24 | Nsk, Ltd. | Rolling bearing and bearing apparatus |
-
2014
- 2014-01-24 CN CN201410032831.7A patent/CN103807294B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960333A (en) * | 1989-10-16 | 1990-10-02 | The Torrington Company | Antifriction bearing assembly speed sensor |
| CN2437896Y (en) * | 2000-08-01 | 2001-07-04 | 云南省玉溪轴承有限责任公司 | Shaft coupling bearing |
| CN2599307Y (en) * | 2002-12-18 | 2004-01-14 | 金坛市天驰轴承有限公司 | four-point contact ball bearing |
| CN201363365Y (en) * | 2009-03-10 | 2009-12-16 | 镇江飞亚轴承有限责任公司 | Bolt type double row deep-groove ball bearing |
| CN201391547Y (en) * | 2009-04-24 | 2010-01-27 | 江苏苏新轴座有限公司 | Insert bearing with full-spherical surface seal |
| CN203756733U (en) * | 2014-01-24 | 2014-08-06 | 浙江五洲新春集团股份有限公司 | Coupling bearing for seeding machine |
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| Publication number | Publication date |
|---|---|
| CN103807294A (en) | 2014-05-21 |
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