WO2024254804A1 - Ensemble roulement à billes à rainure profonde ayant un bon effet anti-poussière - Google Patents

Ensemble roulement à billes à rainure profonde ayant un bon effet anti-poussière Download PDF

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Publication number
WO2024254804A1
WO2024254804A1 PCT/CN2023/100329 CN2023100329W WO2024254804A1 WO 2024254804 A1 WO2024254804 A1 WO 2024254804A1 CN 2023100329 W CN2023100329 W CN 2023100329W WO 2024254804 A1 WO2024254804 A1 WO 2024254804A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
ring
sealing
bearing body
contact
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.)
Ceased
Application number
PCT/CN2023/100329
Other languages
English (en)
Chinese (zh)
Inventor
李建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinfa Bearing Co Ltd
Original Assignee
Jinfa Bearing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jinfa Bearing Co Ltd filed Critical Jinfa Bearing Co Ltd
Priority to PCT/CN2023/100329 priority Critical patent/WO2024254804A1/fr
Publication of WO2024254804A1 publication Critical patent/WO2024254804A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing

Definitions

  • the utility model belongs to the field of bearing technology and relates to a deep groove ball bearing assembly with good dustproof effect.
  • Deep groove ball bearings formerly known as radial ball bearings, are the most widely used rolling bearings. They are characterized by low friction resistance and high speed. They can be used on parts that bear radial loads or combined loads acting in radial and axial directions at the same time. They can also be used on parts that bear axial loads, such as small power motors, automobile and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.
  • the bearing seat is a matching component of the bearing, which is used to limit the position of the bearing and facilitate the assembly of the bearing with other structures.
  • impurities are more likely to accumulate than at other assembly positions, which may cause impurities to enter the bearing seat, thereby aggravating wear and affecting the service life of the bearing assembly.
  • the purpose of the utility model is to address the above-mentioned problems existing in the prior art and to provide a deep groove ball bearing assembly that is easy to assemble in corners and has good sealing performance.
  • a deep groove ball bearing assembly with good dustproof effect including a bearing body and an assembly seat body for installing the bearing body, characterized in that the assembly seat body is composed of an assembly ring for installing the above-mentioned bearing body and an assembly unit that is fixedly connected to the assembly ring and convenient for assembling the corners of the assembly ring, and both end surfaces of the assembly ring are provided with limiting rings connected to the assembly ring and used to limit the position of the bearing body, and both of the limiting rings are provided with sealing units to enhance the sealing performance.
  • the assembly unit is composed of a horizontal plate integrally formed with the assembly ring and a vertical plate also integrally formed with the assembly ring, and the central axis of the horizontal plate is perpendicular to the central axis of the vertical plate, and the horizontal plate and the vertical plate are both provided with assembly holes for facilitating the assembly of the horizontal plate and the vertical plate, and the horizontal plate and the vertical plate are located on two symmetrically arranged convex edges on the corresponding outer end surfaces.
  • the limiting rings are connected to the assembly rings through studs, and the end faces where the limiting rings and the assembly rings fit together are provided with axially outward protrusions, and are slidably embedded in the assembly rings and annularly abutting portions that abut against the bearing body.
  • the sealing unit is composed of a sealing ring and a contact ring.
  • the above-mentioned limiting ring is provided with an installation groove for the corresponding sealing ring to be embedded and installed.
  • the inner wall of the sealing ring located at the outer end is provided with a sealing lip which protrudes radially inward and is used to enhance the sealing performance.
  • the sealing lip is inclined.
  • the inner wall of the sealing ring located at the inner end is provided with a raised portion which protrudes radially inward and is also used to enhance the sealing performance. External chamfers are provided at both edges of the raised portion.
  • the two ends of the contact ring are respectively in contact with the bearing body and the sealing ring.
  • the sealing ring is provided with an assembly groove for one end of the contact ring to be inserted and installed.
  • a plurality of balls are arranged between the contact ring and the bearing body and are spaced apart along the circumferential direction of the contact ring.
  • the end face of the contact ring that contacts the bearing body is provided with a plurality of contact holes whose number is the same as the number of balls and for the installation of corresponding balls, and a gap is left between the contact ring and the bearing body through the balls.
  • the deep groove ball bearing assembly with good dustproof effect has the following advantages:
  • the assembly seat body is composed of an assembly ring for installing the above-mentioned bearing body and an assembly unit which is fixedly connected to the assembly ring and is convenient for assembling the assembly ring at the corners.
  • the two end surfaces of the assembly ring are provided with limiting rings which are connected to it and are used to limit the position of the bearing body.
  • the two limiting rings are both provided with sealing units to enhance the sealing performance.
  • the arrangement of the above-mentioned structure facilitates the limited assembly of the bearing body in corners or edges, and also ensures the sealing performance during operation.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the deep groove ball bearing assembly with good dustproof effect.
  • Figure 2 is a schematic diagram of the cross-sectional structure of the deep groove ball bearing assembly with good dustproof effect.
  • bearing body 2. assembly ring; 3. limit ring; 4. horizontal plate; 5. vertical plate; 6. assembly hole; 7. convex edge; 8. annular resistance part; 9. sealing ring; 10. resistance ring; 11. sealing lip; 12. raised part; 13. assembly groove; 14. ball.
  • the deep groove ball bearing assembly with good dustproof effect includes a bearing body 1 and an assembly seat body for installing the bearing body 1.
  • the bearing body 1 is composed of an inner ring, an outer ring, a retaining frame, a sealing ring and a plurality of steel balls.
  • the assembly seat body is composed of an assembly ring 2 for installing the above-mentioned bearing body 1 and an assembly unit that is fixedly connected to the assembly ring 2 and is convenient for assembling the edges or corners of the assembly ring 2.
  • Limiting rings 3 connected to the two end surfaces of the assembly ring 2 and used to limit the position of the bearing body 1 are arranged.
  • the two limiting rings 3 are connected to the two end surfaces of the assembly ring 2 and are used to limit the position of the bearing body 1.
  • the ring 3 is provided with a sealing unit to enhance the sealing performance.
  • the assembly unit is composed of a horizontal plate 4 integrally formed with the assembly ring 2 and a vertical plate 5 also integrally formed with the assembly ring 2.
  • the central axis of the horizontal plate 4 is perpendicular to the central axis of the vertical plate 5.
  • the horizontal plate 4 and the vertical plate 5 are both provided with assembly holes 6 for facilitating the assembly of the horizontal plate 4 and the vertical plate 5.
  • the outer ends of the horizontal plate 4 and the vertical plate 5 extend out of the assembly ring 2.
  • the above-mentioned assembly holes 6 are arranged on the outer ends of the corresponding horizontal plate 4 and the vertical plate 5.
  • the horizontal plate 4 and the vertical plate 5 are located on the corresponding outer end surfaces.
  • the sealing unit is composed of a sealing ring 9 and a contact ring 10, and the sealing ring 9 is made of elastic material, and the above-mentioned limiting ring 3 is provided with an installation groove for the corresponding sealing ring 9 to be embedded and installed, and the inner wall of the sealing ring 9 located at the outer end is provided with a sealing lip 11 that protrudes radially inward and is used to enhance the sealing performance, and the sealing lip 11 1 is arranged obliquely, and a convex portion 12 which protrudes radially inward and is also used to enhance the sealing performance is arranged on the inner wall of the sealing ring 9 at the inner end, and outer chamfers are arranged at both edges of the convex portion 12.
  • the two ends of the abutment ring 10 respectively abut against the bearing body 1 and the sealing ring 9, and an assembly groove 13 for one end of the abutment ring 10 to be inserted and installed is provided on the sealing ring 9.
  • the vertical section of the abutment ring 10 is arranged in two symmetrical L-shaped structures, and a convex portion which protrudes radially outward is arranged on the inner wall of the sealing ring 9 at the assembly groove 13.
  • the limit ring 3 is connected to the assembly ring 2 through a stud, and the end surface where the limit ring 3 and the assembly ring 2 are in contact is provided with an axial outward protrusion, and is slidably embedded in the ring hole of the assembly ring 2 and is in contact with the bearing body 1.
  • a plurality of balls 14 are arranged between the contact ring 10 and the bearing body 1 and are spaced apart along the circumferential direction of the contact ring 10.
  • the end face of the contact ring 10 that contacts the bearing body 1 is provided with a plurality of contact holes, the same number as the number of balls 14, for the installation of the corresponding balls 14, so that a gap is left between the contact ring 10 and the bearing body 1 through the balls 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Bearings (AREA)

Abstract

L'invention concerne un ensemble roulement à billes à rainure profonde ayant un bon effet anti-poussière, l'ensemble roulement à billes à rainure profonde comprenant un corps de roulement (1) et un corps de siège d'ensemble destiné au montage du corps de roulement, le corps de siège d'ensemble étant composé d'une bague d'assemblage (2) pour monter le corps de roulement et d'une unité d'assemblage qui est reliée à demeure à la bague d'assemblage et qui facilite l'assemblage d'un coin de la bague d'assemblage, des bagues de limitation (3) qui sont reliées à la bague d'assemblage et sont conçues pour limiter la position du corps de roulement étant disposées sur deux faces d'extrémité de la bague d'assemblage, et des unités d'étanchéité destinées à améliorer les performances d'étanchéité étant disposées sur deux bagues de limitation. L'ensemble roulement présente les avantages d'être pratique à assembler au niveau du coin du corps de roulement et de présenter d'excellentes performances d'étanchéité.
PCT/CN2023/100329 2023-06-15 2023-06-15 Ensemble roulement à billes à rainure profonde ayant un bon effet anti-poussière Ceased WO2024254804A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/100329 WO2024254804A1 (fr) 2023-06-15 2023-06-15 Ensemble roulement à billes à rainure profonde ayant un bon effet anti-poussière

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/100329 WO2024254804A1 (fr) 2023-06-15 2023-06-15 Ensemble roulement à billes à rainure profonde ayant un bon effet anti-poussière

Publications (1)

Publication Number Publication Date
WO2024254804A1 true WO2024254804A1 (fr) 2024-12-19

Family

ID=93851224

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/100329 Ceased WO2024254804A1 (fr) 2023-06-15 2023-06-15 Ensemble roulement à billes à rainure profonde ayant un bon effet anti-poussière

Country Status (1)

Country Link
WO (1) WO2024254804A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010002021A (ja) * 2008-06-23 2010-01-07 Ntn Corp 密封型転がり軸受
CN214617496U (zh) * 2021-04-30 2021-11-05 山东袁氏精密轴承制造有限公司 一种高速防尘密封深沟球轴承
CN215673216U (zh) * 2021-09-06 2022-01-28 台州市永宁轴承制造有限公司 一种防尘深沟球轴承
CN217207321U (zh) * 2022-02-28 2022-08-16 台州市永宁轴承制造有限公司 一种防偏移深沟球轴承组件
CN217381287U (zh) * 2022-05-27 2022-09-06 进发轴承有限公司 一种防尘式深沟球轴承
CN218440228U (zh) * 2022-10-24 2023-02-03 进发轴承有限公司 一种防尘效果好的深沟球轴承组件
CN218468086U (zh) * 2022-11-04 2023-02-10 南京轴承有限公司 一种离合器分离轴承防尘组件

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010002021A (ja) * 2008-06-23 2010-01-07 Ntn Corp 密封型転がり軸受
CN214617496U (zh) * 2021-04-30 2021-11-05 山东袁氏精密轴承制造有限公司 一种高速防尘密封深沟球轴承
CN215673216U (zh) * 2021-09-06 2022-01-28 台州市永宁轴承制造有限公司 一种防尘深沟球轴承
CN217207321U (zh) * 2022-02-28 2022-08-16 台州市永宁轴承制造有限公司 一种防偏移深沟球轴承组件
CN217381287U (zh) * 2022-05-27 2022-09-06 进发轴承有限公司 一种防尘式深沟球轴承
CN218440228U (zh) * 2022-10-24 2023-02-03 进发轴承有限公司 一种防尘效果好的深沟球轴承组件
CN218468086U (zh) * 2022-11-04 2023-02-10 南京轴承有限公司 一种离合器分离轴承防尘组件

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