CN111503139B - Double-row ball water pump shaft connecting bearing - Google Patents

Double-row ball water pump shaft connecting bearing Download PDF

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Publication number
CN111503139B
CN111503139B CN202010222669.0A CN202010222669A CN111503139B CN 111503139 B CN111503139 B CN 111503139B CN 202010222669 A CN202010222669 A CN 202010222669A CN 111503139 B CN111503139 B CN 111503139B
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CN
China
Prior art keywords
positioning
groove
ball
grooves
raceway groove
Prior art date
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Application number
CN202010222669.0A
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Chinese (zh)
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CN111503139A (en
Inventor
李伯建
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.)
Shanghai Qingzheng Automobile Bearing Co ltd
Shanghai C&U Group Co Ltd
C&U Co Ltd
Original Assignee
Shanghai Qingzheng Automobile Bearing Co ltd
Shanghai C&U Group Co Ltd
C&U Co Ltd
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Application filed by Shanghai Qingzheng Automobile Bearing Co ltd, Shanghai C&U Group Co Ltd, C&U Co Ltd filed Critical Shanghai Qingzheng Automobile Bearing Co ltd
Priority to CN202010222669.0A priority Critical patent/CN111503139B/en
Publication of CN111503139A publication Critical patent/CN111503139A/en
Application granted granted Critical
Publication of CN111503139B publication Critical patent/CN111503139B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/38Ball cages
    • F16C33/3818Ball cages formed of unconnected segments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/38Ball cages
    • F16C33/40Ball cages for multiple rows of balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/583Details of specific parts of races

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention discloses a double-row ball water pump shaft connecting bearing, which comprises an outer ring and a mandrel, wherein a raceway groove is formed between the outer ring and the mandrel, steel balls are arranged in the raceway groove in a rolling manner, a positioning frame is arranged on the inner wall of the outer ring between the two raceway grooves, the section of the positioning frame is in a T-shaped arrangement, the positioning frame comprises a base, a first positioning flange and a second positioning flange, positioning grooves are arranged on the first positioning flange at intervals, positioning ring grooves are arranged on the second positioning flange, ball receiving grooves are arranged on the outer ring corresponding to the raceway grooves and communicated with the raceway grooves, the ball receiving grooves are arranged in the middle of the positioning grooves, a first retaining side frame and a second retaining side frame are clamped on two sides of the outer ring, positioning protrusions extend from the first retaining side frame, arc-shaped grooves are formed on two sides of the end parts of the positioning protrusions, and retaining grooves are arranged on the second retaining side frame at intervals. The novel high-load-capacity load-bearing device is simple in structure and easy to machine, and can meet the use requirements of high load and conventional load in two modes.

Description

Double-row ball water pump shaft connecting bearing
Technical Field
The invention relates to the technical field of bearings, in particular to a double-row ball water pump shaft connecting bearing.
Background
The water pump shaft connecting bearing is the core of a mechanical engine and comprises a shaft core, an outer ring, a retainer and a roller; the outer ring is generally fixedly arranged on the water pump shell and does not rotate; one end of the shaft core protrudes out of the outer ring and is connected with the impeller; the other end of the shaft core is connected with a pulley shaft, and the pulley shaft is connected with a pulley to transmit power to the impeller. The existing water pump shaft connecting bearing is generally of a double-row structure, when the borne load is smaller, the structure of double-row balls can meet the requirement, when the stress of a belt wheel end is larger, a cylindrical roller can be adopted at the belt wheel end to increase the load bearing capacity, the impeller end is not changed, the structure of the double-row balls is adopted, so that the belt wheel end is of a row of columns, the double-row structure of a row of balls is adopted, but the price of the cylindrical roller and the processing cost of a roller path are more expensive compared with the steel ball structure, meanwhile, higher processing precision is required, the production and processing cost of enterprises is improved, the popularization and the use of products are not facilitated, the pure double-ball form is adopted, the steel ball at the belt wheel end is larger in bearing capacity, larger in abrasion degree, the service life is influenced, the maintenance and the replacement are not facilitated, and the use cost of the products is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a double-row ball water pump shaft connecting bearing which is simple in structure and easy to process, and can meet the use requirements of high load and conventional load by adopting two modes.
In order to achieve the purpose, the invention provides a double-row ball water pump shaft connecting bearing, which comprises an outer ring and a mandrel, wherein a first track groove and a second track groove are formed between the outer ring and the mandrel, the first track groove is arranged close to the belt wheel end of the mandrel, the second track groove is arranged close to the impeller end, steel balls are arranged in the first track groove and the second track groove in a rolling manner, a positioning frame is arranged between the first track groove and the second track groove on the inner wall of the outer ring, the cross section of the positioning frame is in a T-shaped arrangement, the positioning frame comprises a substrate and a first positioning flange and a second positioning flange which are respectively arranged at two sides of the substrate, the first positioning flange is arranged close to the first track groove, a plurality of positioning grooves are arranged on the first positioning flange at intervals corresponding to the positions of the steel balls, the width of the positioning grooves is larger than the sum of the widths of the two steel balls, the second positioning flange is arranged close to the second track groove, the ball receiving groove is arranged at the middle position of the positioning groove, the outer ring is provided with a ball receiving groove used for placing the steel ball into the first raceway groove, the number of the ball receiving groove is the same as that of the positioning groove, the ball receiving groove is communicated with the first raceway groove, the ball receiving groove is arranged at the middle position of the positioning groove, the two sides of the outer ring are respectively connected with a first holding side frame and a second holding side frame in a clamping mode, the first holding side frame extends into the ball receiving groove to form a positioning protrusion, the two sides of the end portion of the positioning protrusion are formed with arc-shaped grooves, the arc-shaped grooves and the corresponding edges of the positioning grooves form a combination to position the steel ball in the positioning groove, the second holding side frame is provided with holding grooves corresponding to the intervals of the positions of the steel ball, and the holding grooves are combined to form a limit to the steel ball in the positioning groove. The structure is simple, the processing is easy, and simultaneously, the use requirements of high load and conventional load can be met by adopting two forms.
The beneficial effect who so sets up is: through the structure, the structure at the end of the belt wheel is arranged, two types of bearings can be produced by using one production line, only one set of mould is needed, under the condition of common bearing capacity, only one steel ball needs to be accommodated in the positioning groove, under the requirement of high bearing capacity, one steel ball is arranged in the positioning groove through the ball accommodating groove, so that the two steel balls are arranged in the positioning groove, the bearing capacity of the end position of the belt wheel is effectively improved, the ball accommodating groove is preferably set to be 1.6 times the diameter of the steel ball, the steel ball is convenient to arrange, simultaneously, after the steel ball is arranged, the first holding side frame is arranged, the positioning bulge on the first holding side frame can be inserted into the ball accommodating groove, meanwhile, the end part of the positioning bulge is provided with an arc-shaped groove, the two steel balls can be separated and positioned, the condition that the steel balls are mutually interfered is avoided, and simultaneously, the arc-shaped groove can form a combination with the edge of the corresponding positioning groove to position the steel ball, the steel balls are prevented from deviating, the using effect is guaranteed, the mounting mode of the side frames can be kept and fixed in a close-fitting mode, the overall using effect is guaranteed, the holding grooves are formed in the second side frame, the steel balls at the end positions of the impellers can be guaranteed to be distributed uniformly and independently, and the operating stability is guaranteed. By adopting the structure, the production is convenient, and the production and processing efficiency is improved.
As a further arrangement of the invention, the shape of the positioning bulge is matched with the shape of the ball receiving groove.
The beneficial effect who so sets up is: the ball receiving grooves can be better filled, the steel balls are prevented from shaking in the using process, the using effect of the overall structure is guaranteed, the structure is simple, the realization is facilitated, the connecting effect of the first keeping side frame is further guaranteed, and the smooth operation of the overall structure is guaranteed.
As a further arrangement of the invention, the mandrels of the first and second holding side frames are extended to form flanges, and the ends of the flanges are forked to form sealing lips.
The beneficial effect who so sets up is: the flanges are arranged on the first holding side frame and the second holding side frame, so that a dustproof effect can be effectively achieved, the leakage of internal grease is avoided, and the using effect of the whole structure is ensured.
As a further arrangement of the present invention, a positioning step is formed on the outer race at a position of the second holding side frame, and the second holding side frame is disposed to abut against the positioning step.
The beneficial effect who so sets up is: the step is arranged, so that the second holding side frame can be mounted in place, the situation of untight mounting is not easy to occur, the using effect of the holding side frame is guaranteed, and the positioning effect of the steel ball is guaranteed.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an outer race pulley end in an embodiment of the present invention;
FIG. 4 is a schematic structural view of an outer ring impeller end in an embodiment of the present invention;
FIG. 5 is a schematic view of the first retaining sideframe in an embodiment of the present invention.
Detailed Description
The embodiment of the double-row ball water pump shaft connecting bearing of the invention is shown in figures 1-2: the steel ball positioning device comprises an outer ring 1 and a mandrel 2, a first rolling groove 21 and a second rolling groove 22 are formed between the outer ring 1 and the mandrel 2, the first rolling groove 21 is close to the belt wheel end of the mandrel 2, the second rolling groove 22 is close to the wheel end, steel balls 6 are arranged in the first rolling groove 21 and the second rolling groove 22 in a rolling manner, a positioning frame 3 is arranged between the first rolling groove 21 and the second rolling groove 22 on the inner wall of the outer ring 1, the cross section of the positioning frame 3 is in a T-shaped arrangement, the positioning frame 3 comprises a substrate and a first positioning flange 31 and a second positioning flange 32 which are respectively arranged on two sides of the substrate, the first positioning flange 31 is close to the first rolling groove 21, a plurality of positioning grooves 311 are arranged on the first positioning flange 31 at intervals corresponding to the positions of the steel balls 6, the width of each positioning groove 311 is larger than the sum of the widths of the two steel balls 6, the second positioning flange 32 is close to the second rolling groove 22, the second positioning flange 32 is provided with a positioning ring groove 321 corresponding to the position of the steel ball 6, the outer ring 1 is provided with a ball receiving groove 11 corresponding to the position of the first raceway groove 21 and used for placing the steel ball 6 into the first raceway groove 21, the number of the ball receiving grooves 11 is the same as that of the positioning grooves 311, the ball receiving groove 11 is communicated with the first raceway groove 21, the ball receiving groove 11 is arranged at the middle position of the positioning grooves 311, the two sides of the outer ring 1 are respectively connected with a first holding side frame 4 and a second holding side frame 5, the first holding side frame 4 extends into the ball receiving groove 11 to form a positioning protrusion 41, the two sides of the end part of the positioning protrusion 41 are formed with arc grooves 411, the arc grooves 411 and the edges of the corresponding positioning grooves 311 are combined to form the positioning of the steel ball 6 in the positioning grooves 311, the second holding side frame 5 is provided with holding grooves 51 corresponding to the positions of the steel ball 6 at intervals, the combination of the retaining groove 51 and the retainer ring groove 321 forms a limit for the steel ball 6 in the retainer ring groove 321. The beneficial effect who so sets up is: through the structure, the structure at the belt wheel end is arranged, two types of bearings can be produced by using one production line, only one set of mold is needed, under the condition of common bearing capacity, only one steel ball 6 needs to be accommodated in the positioning groove 311, under the requirement of high bearing capacity, one steel ball 6 is arranged in the positioning groove 311 through the ball accommodating groove 11, so that two steel balls 6 are arranged in the positioning groove 311, the bearing capacity of the belt wheel end position is effectively improved, the ball accommodating groove 11 is preferably set to be 1.6 times of the diameter of the steel ball 6, so that the steel ball 6 is conveniently arranged, simultaneously, after the steel ball 6 is arranged, the first holding side frame 4 is arranged, the positioning bulge 41 on the first holding side frame 4 is inserted into the ball accommodating groove 11, meanwhile, the end part of the positioning bulge 41 is provided with the arc-shaped groove 411, the two steel balls 6 can be separated and positioned, the condition that the steel balls 6 interfere with each other is avoided, simultaneously, the arc-shaped groove 411 can form a combination with the edge of the corresponding positioning groove 311 to position the positioning groove 6 to position the positioning of the steel ball 6, the steel balls 6 are prevented from deviating, the use effect is guaranteed, the installation mode of the side frames can be fixed in a close-fitting mode, the overall use effect is guaranteed, the second holding side frame 5 is further provided with the holding grooves 51, the steel balls 6 at the end positions of the impellers can be guaranteed to be distributed uniformly and independently, and the operation stability is guaranteed. By adopting the structure, the production is convenient, and the production and processing efficiency is improved.
As a further arrangement of the present invention, the positioning protrusion 41 is shaped to match the shape of the ball receiving groove 11. The beneficial effect who so sets up is: can fill ball receiving groove 11 better, avoid in the use, the steel ball 6 appears rocking, guarantees overall structure's result of use to simple structure does benefit to the realization, and the smooth and easy operation of overall structure is guaranteed to the first linkage effect who keeps side bearer 4 of further assurance.
As a further arrangement of the invention, the first holding side frame 4 and the second holding side frame 5 are extended from the mandrel 2 to form a rib 7, and the end of the rib 7 is bifurcated to form a sealing lip. The beneficial effect who so sets up is: the flanges 7 are arranged on the first holding side frame 4 and the second holding side frame 5, so that a dustproof effect can be effectively achieved, leakage of internal grease is avoided, and the using effect of the whole structure is ensured.
As a further arrangement of the present invention, a positioning step 12 is formed at the position of the second holding side frame 5 on the outer race 1, and the second holding side frame 5 is disposed to abut against the positioning step 12. The beneficial effect who so sets up is: the step is arranged, so that the second holding side frame 5 can be installed in place, the situation of untight installation is not easy to occur, the using effect of the holding side frame is guaranteed, and the positioning effect of the steel ball 6 is guaranteed.
The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims (4)

1. The utility model provides a biserial ball water pump coupling bearing, includes outer lane and dabber, be formed with first raceway groove and second raceway groove between outer lane and the dabber, first raceway groove is close to dabber band pulley end setting, the second raceway groove is close to impeller end setting, it is provided with steel ball, its characterized in that all rolls in first raceway groove and the second raceway groove: the outer ring inner wall is provided with a positioning frame between a first raceway groove and a second raceway groove, the section of the positioning frame is in T-shaped arrangement, the positioning frame comprises a substrate, a first positioning flange and a second positioning flange which are respectively arranged at two sides of the substrate, the first positioning flange is close to the first raceway groove, a plurality of positioning grooves are arranged on the first positioning flange corresponding to steel ball positions at intervals, the width of each positioning groove is larger than the sum of the widths of two steel balls, the second positioning flange is close to the second raceway groove, a positioning ring groove is arranged on the second positioning flange corresponding to the position of the steel ball, a ball receiving groove for placing the steel ball into the first raceway groove is arranged on the outer ring corresponding to the first raceway groove, the number of the ball receiving groove is the same as the number of the positioning grooves, the ball receiving groove is communicated with the first raceway groove, and is arranged at the middle position of the positioning groove, the outer lane both sides still respectively the joint have first keeping side bearer and second to keep the side bearer, first keeping side bearer extends to and has the location arch in receiving the ball groove, protruding tip both sides in location are formed with the arc wall, the arc wall forms the location of combination formation steel ball in the positioning groove with corresponding positioning groove edge, it is provided with the holding groove to correspond steel ball position interval on the second keeps the side bearer, the holding groove forms the spacing of steel ball in the positioning ring groove with the positioning groove combination.
2. The double-row ball water pump shaft coupling bearing of claim 1, wherein: the shape of the positioning bulge is matched with that of the ball receiving groove.
3. The double-row ball water pump shaft coupling bearing according to claim 1 or 2, wherein: the first holding side frame and the second holding side frame are respectively extended from the mandrels to form a flange, and the end parts of the flanges are forked to form sealing lips.
4. The double-row ball water pump shaft coupling bearing of claim 1, wherein: and a positioning step is formed on the outer ring at the position of the second holding side frame, and the second holding side frame is abutted against the positioning step.
CN202010222669.0A 2020-03-26 2020-03-26 Double-row ball water pump shaft connecting bearing Active CN111503139B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010222669.0A CN111503139B (en) 2020-03-26 2020-03-26 Double-row ball water pump shaft connecting bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010222669.0A CN111503139B (en) 2020-03-26 2020-03-26 Double-row ball water pump shaft connecting bearing

Publications (2)

Publication Number Publication Date
CN111503139A CN111503139A (en) 2020-08-07
CN111503139B true CN111503139B (en) 2021-11-16

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Application Number Title Priority Date Filing Date
CN202010222669.0A Active CN111503139B (en) 2020-03-26 2020-03-26 Double-row ball water pump shaft connecting bearing

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113090651B (en) * 2021-04-08 2024-03-26 江苏容天乐机械股份有限公司 Double-row tapered roller shaft-connecting bearing, manufacturing method and application thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29504068U1 (en) * 1995-03-09 1995-05-04 Skf Gmbh Bearing arrangement
JPH09229073A (en) * 1996-02-27 1997-09-02 Nippon Seiko Kk Retainer construction for rolling bearing
CN202215588U (en) * 2011-08-22 2012-05-09 上虞市万里汽车轴承有限公司 Double row ball integral shaft bearing
CN203641071U (en) * 2013-10-22 2014-06-11 浙江省新昌新轴实业有限公司 Double-row annular-contact water pump shaft coupling bearing with external spline on shaft
CN206668609U (en) * 2017-05-03 2017-11-24 人本集团有限公司 A kind of asymmetric angular contact ball water pump shaft connecting bearings
CN108167218A (en) * 2017-12-26 2018-06-15 新昌县江北轴承有限公司 A kind of dust-proof double-row angular contact bal bearing of water pump high load

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Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang

Applicant after: C&U Co.,Ltd.

Applicant after: SHANGHAI C&U GROUP Co.,Ltd.

Applicant after: SHANGHAI QINGZHENG AUTOMOBILE BEARING Co.,Ltd.

Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang

Applicant before: C & U Group Ltd.

Applicant before: SHANGHAI C&U GROUP Co.,Ltd.

Applicant before: SHANGHAI QINGZHENG AUTOMOBILE BEARING Co.,Ltd.

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