CN202451611U - Limiting mechanism of automobile transmission bearing - Google Patents
Limiting mechanism of automobile transmission bearing Download PDFInfo
- Publication number
- CN202451611U CN202451611U CN2012200168812U CN201220016881U CN202451611U CN 202451611 U CN202451611 U CN 202451611U CN 2012200168812 U CN2012200168812 U CN 2012200168812U CN 201220016881 U CN201220016881 U CN 201220016881U CN 202451611 U CN202451611 U CN 202451611U
- Authority
- CN
- China
- Prior art keywords
- bearing
- transmission shaft
- circlip
- limit mechanism
- restraining groove
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000000452 restraining effect Effects 0.000 claims description 27
- 210000002421 cell wall Anatomy 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
- F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
- F16B21/18—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details
- F16B21/183—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details internal, i.e. with spreading action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/30—Angles, e.g. inclinations
-
- 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
- F16C35/063—Fixing them on the shaft
Abstract
The utility model provides a limiting mechanism of an automobile transmission bearing, which belongs to the technical field of machinery, and solves the technical problems axial movement of a bearing which is assembled through the limiting mechanism of the existing automobile transmission bearing causes the noise and seriously influences the service life of the bearing. According to the limiting mechanism of the automobile transmission bearing, an automobile transmission comprises a shell, a bearing and a transmission shaft, wherein the bearing is arranged between the shell and the transmission shaft, the bearing is axially positioned on the transmission shaft, the limiting mechanism is arranged between the shell and the bearing, the limiting mechanism comprises a limiting groove and an elastic retainer ring, which are arranged on the shell, wherein one end of the elastic retainer ring props against the bearing, the other end of the elastic retainer ring is arranged inside the limiting groove of the shell, and the elastic retainer ring and the limiting groove can form self locking. The limiting mechanism has advantages that the axial movement of the bearing is eliminated, the noise of the transmission shaft in rotation can be reduced, and the service life of the bearing is improved.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the position-limit mechanism of a kind of automobile speed variator bearing, particularly a kind of automobile speed variator bearing.
Background technique
Automotive transmission is the speed change gear of the actual travel speed of the cover rotating speed and the wheel that are used to coordinate motor, is used to bring into play the optimum performance of motor.Speed changer can produce different gear ratio between motor and wheel in vehicle traveling process, can make engine operation under its best power performance state through gearshift.
The quality of speed changer directly has influence on the overall performance of automobile.In the existing technology; Car adopts the supporting way of deep groove ball bearing and roller bearing combination with the transmission shaft assembly; As shown in Figure 2, generally design a circlip groove, through moving axially between a circlip 3 restriction bearings 4 and the case of transmission 1 in bearing 4 outer rings.Because bearing, mission case, circlip have certain manufacturing tolerances, therefore, the bearing that assembles still has certain axial movement value; Because the existence of this axial movement value; Will produce noise, severe patient also can influence bearing life, and severe patient then can cause damage of bearings again; Design a circlip groove at bearing outer ring in addition, reduced the mechanical strength of bearing.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of position-limit mechanism of automobile speed variator bearing, and this position-limit mechanism has the advantages that to eliminate bearing axial clearance.
The purpose of the utility model can realize through following technical proposal: a kind of position-limit mechanism of automobile speed variator bearing; Described automotive transmission comprises housing, bearing and transmission shaft; Described bearing is arranged between housing and the transmission shaft, and described bearing shaft is to being positioned on the transmission shaft, and this position-limit mechanism is arranged between housing and the bearing; Comprise the restraining groove and the circlip that are opened on the housing; Described circlip one end is resisted against on the bearing, and the other end of circlip is arranged in the restraining groove of housing, and can form self-locking with this restraining groove.
Transmission shaft is located in the housing; When speed changer rotated, bearing can produce certain axial movement value, and circlip has certain elasticity; During assembling under self flexible effect; Circlip fits tightly in restraining groove, and circlip and restraining groove self-locking are offset axial movement value and made that bearing is able to locate when bearing produces the trend of axial float, have eliminated the axial clearance of bearing.
In the position-limit mechanism of above-mentioned automobile speed variator bearing, the cell wall of described restraining groove and bearing end relative tilt, the cell wall of described circlip and restraining groove fits, and circlip can form self-locking with the cell wall of restraining groove.Form self-locking when fitting and make circlip to move, eliminated the axial clearance of bearing, reduced the noise when transmission shaft rotates through the cell wall of circlip and restraining groove.
In the position-limit mechanism of above-mentioned automobile speed variator bearing, the angle of inclination a between the cell wall of described restraining groove and the bearing end is 10 °～20 °.Angle of inclination a is from the scope of the locking angle, as long as circlip and cell wall can both form self-locking in this angular range between circlip and the cell wall.
In the position-limit mechanism of above-mentioned automobile speed variator bearing, described circlip adopts the 65Mn material to process.65Mn has the excellent elasticity limit and the elastoresistance performance that goes down.
In the position-limit mechanism of above-mentioned automobile speed variator bearing; Described transmission shaft has the assembly department of external diameter less than the transmission shaft body; Above-mentioned bearing housing is located at this assembly department place; And described bearing one end is resisted against on the transmission shaft body, and the other end is resisted against on the snap ring, and described snap ring is connected on the assembly department of transmission shaft.Bearing through snap ring and with the transmission shaft body on the assembly department that is positioned at transmission shaft.
In the position-limit mechanism of above-mentioned automobile speed variator bearing, offer the locating slot of annular on the described transmission shaft, above-mentioned snap ring is connected in this locating slot.Snap ring is positioned in the locating slot, and bearing one end is resisted against on the snap ring, can make bearing realize the location.
Compared with prior art, the position-limit mechanism of this automobile speed variator bearing has the following advantages:
1, forms self-locking through cell wall and make circlip not receive the influence of bearing axial movement value, eliminate the axial clearance of bearing, guarantee the normal use of bearing, prolong the working life of speed changer at circlip and restraining groove.
2, eliminate the axial float of bearing through this position-limit mechanism, reduced the noise when transmission shaft rotates, improved bearing working life.
Description of drawings
Fig. 1 is the cross-sectional schematic of the position-limit mechanism of this automobile speed variator bearing.
Fig. 2 is a prior art constructions schematic representation in this background technique.
Among the figure, 1, housing; 2a, body; 2b, assembly department; 3, circlip; 4, bearing; 5, snap ring; 6, locating slot; 7, restraining groove; 8, angle of inclination a.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
As shown in Figure 1, a kind of position-limit mechanism of automobile speed variator bearing, automotive transmission comprise housing 1, bearing 4 and transmission shaft, and transmission shaft is located in the housing 1, and bearing 4 is arranged between housing 1 and the transmission shaft, and described bearing 4 axially locating are on transmission shaft; Transmission shaft has the assembly department 2b of external diameter less than transmission shaft body 2a; Bearing 4 is set in this assembly department 2b place; And described bearing 4 one ends are resisted against on the transmission shaft body 2a, and the other end is resisted against on the snap ring 5, and snap ring 5 is connected on the assembly department 2b of transmission shaft; Offer the locating slot 6 of annular on the transmission shaft, snap ring 5 is connected in this locating slot 6.Snap ring 5 is positioned in the locating slot 6, and bearing 4 one ends are resisted against on the snap ring 5, can make bearing 4 realize the location.Bearing 4 through snap ring 5 and with transmission shaft body 2a on the assembly department 2b that is positioned at transmission shaft.
This position-limit mechanism is arranged between housing 1 and the bearing 4, comprises the restraining groove that is opened on the housing 17 and circlip 3, and circlip 3 adopts the 65Mn materials to process, and 65Mn has the excellent elasticity limit and the elastoresistance performance that goes down; Circlip 3 one ends are resisted against on the bearing 4; The other end of circlip 3 is arranged in the restraining groove 7 of housing 1; The cell wall of restraining groove 7 and bearing 4 end relative tilts, circlip 3 fits with the cell wall of restraining groove 7, and circlip 3 can form self-locking with the cell wall of restraining groove 7.Form self-locking when fitting and make circlip 3 to move, eliminated the axial clearance of bearing 4, reduced the noise when transmission shaft rotates through the cell wall of circlip 3 and restraining groove 7.Angle of inclination a8 between the cell wall of restraining groove 7 and bearing 4 ends is 10 °～20 °.Present embodiment medium dip angle is 15 °.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used housing 1 morely; Body 2; Assembly department 2a; Circlip 3; Bearing 4; Snap ring 5; Locating slot 6; Restraining groove 7 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (6)
1. the position-limit mechanism of an automobile speed variator bearing; Described automotive transmission comprises housing (1), bearing (4) and transmission shaft, and described bearing (4) is arranged between housing (1) and the transmission shaft, and described bearing (4) axially locating is on transmission shaft; It is characterized in that; This position-limit mechanism is arranged between housing (1) and the bearing (4), comprises the restraining groove (7) and the circlip (3) that are opened on the housing (1), and described circlip (3) one ends are resisted against on the bearing (4); The other end of circlip (3) is arranged in the restraining groove (7) of housing (1), and can form self-locking with this restraining groove (7).
2. the position-limit mechanism of automobile speed variator bearing according to claim 1; It is characterized in that; The cell wall of described restraining groove (7) and bearing (4) end relative tilt; Described circlip (3) fits with the cell wall of restraining groove (7), and circlip (3) can form self-locking with the cell wall of restraining groove (7).
3. the position-limit mechanism of automobile speed variator bearing according to claim 1 and 2 is characterized in that, the angle of inclination a between the cell wall of described restraining groove (7) and bearing (4) end is 10 °～20 °.
4. the position-limit mechanism of automobile speed variator bearing according to claim 1 and 2 is characterized in that, described circlip (3) adopts the 65Mn material to process.
5. the position-limit mechanism of automobile speed variator bearing according to claim 1; It is characterized in that; Described transmission shaft has the assembly department (2b) of external diameter less than transmission shaft body (2a), and above-mentioned bearing (4) is set in this assembly department (2b) and locates, and described bearing (4) one ends are resisted against on the transmission shaft body (2a); The other end is resisted against on the snap ring (5), and described snap ring (5) is connected on the assembly department (2b) of transmission shaft.
6. the position-limit mechanism of automobile speed variator bearing according to claim 5 is characterized in that, offers the locating slot (6) of annular on the described transmission shaft, and above-mentioned snap ring (5) is connected in this locating slot (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200168812U CN202451611U (en) | 2012-01-16 | 2012-01-16 | Limiting mechanism of automobile transmission bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200168812U CN202451611U (en) | 2012-01-16 | 2012-01-16 | Limiting mechanism of automobile transmission bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451611U true CN202451611U (en) | 2012-09-26 |
Family
ID=46867477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200168812U Expired - Fee Related CN202451611U (en) | 2012-01-16 | 2012-01-16 | Limiting mechanism of automobile transmission bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451611U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775460A (en) * | 2012-10-24 | 2014-05-07 | 舍弗勒技术股份两合公司 | Axial security system for bearing of power train of motor car |
| CN106090076A (en) * | 2016-07-26 | 2016-11-09 | 宁波华盛汽车部件有限公司 | A kind of for Retarder elastic device in parallel |
| CN107763168A (en) * | 2017-11-02 | 2018-03-06 | 西安法士特汽车传动有限公司 | A kind of axial elasticity position limiting structure of automobile axle shaft |
| CN109027194A (en) * | 2018-09-12 | 2018-12-18 | 中国航发湖南动力机械研究所 | Aero-engine gear-box and aero-engine |
| CN109578554A (en) * | 2018-12-19 | 2019-04-05 | 芜湖世特瑞转向系统有限公司 | Reducer output shaft anti-backlash mechanism and electric boosting steering system retarder |
| CN109654203A (en) * | 2019-02-21 | 2019-04-19 | 浙江万里扬股份有限公司 | Speed changer and vehicle |
| CN111022607A (en) * | 2019-10-09 | 2020-04-17 | 重庆神箭汽车传动件有限责任公司 | Differential gear connecting structure |
| CN112701843A (en) * | 2020-12-21 | 2021-04-23 | 珠海格力电器股份有限公司 | Bearing compresses tightly subassembly and includes its motor |
| US11148527B2 (en) | 2019-07-10 | 2021-10-19 | Honda Motor Co., Ltd. | Bearing assembly including a retaining ring and driveshaft assembly including a retaining ring |
| CN114294335A (en) * | 2021-12-30 | 2022-04-08 | 浙江鑫永利卡环有限公司 | Stable tension bearing snap ring |
-
2012
- 2012-01-16 CN CN2012200168812U patent/CN202451611U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775460A (en) * | 2012-10-24 | 2014-05-07 | 舍弗勒技术股份两合公司 | Axial security system for bearing of power train of motor car |
| CN106090076A (en) * | 2016-07-26 | 2016-11-09 | 宁波华盛汽车部件有限公司 | A kind of for Retarder elastic device in parallel |
| CN107763168A (en) * | 2017-11-02 | 2018-03-06 | 西安法士特汽车传动有限公司 | A kind of axial elasticity position limiting structure of automobile axle shaft |
| CN107763168B (en) * | 2017-11-02 | 2023-09-08 | 西安法士特汽车传动有限公司 | Axial elastic limit structure of automobile half shaft |
| CN109027194A (en) * | 2018-09-12 | 2018-12-18 | 中国航发湖南动力机械研究所 | Aero-engine gear-box and aero-engine |
| CN109578554A (en) * | 2018-12-19 | 2019-04-05 | 芜湖世特瑞转向系统有限公司 | Reducer output shaft anti-backlash mechanism and electric boosting steering system retarder |
| CN109654203A (en) * | 2019-02-21 | 2019-04-19 | 浙江万里扬股份有限公司 | Speed changer and vehicle |
| US11148527B2 (en) | 2019-07-10 | 2021-10-19 | Honda Motor Co., Ltd. | Bearing assembly including a retaining ring and driveshaft assembly including a retaining ring |
| CN111022607A (en) * | 2019-10-09 | 2020-04-17 | 重庆神箭汽车传动件有限责任公司 | Differential gear connecting structure |
| CN112701843A (en) * | 2020-12-21 | 2021-04-23 | 珠海格力电器股份有限公司 | Bearing compresses tightly subassembly and includes its motor |
| CN114294335A (en) * | 2021-12-30 | 2022-04-08 | 浙江鑫永利卡环有限公司 | Stable tension bearing snap ring |
| CN114294335B (en) * | 2021-12-30 | 2022-07-26 | 浙江鑫永利卡环有限公司 | Steady tension bearing snap ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20140116 |