CN208651577U - A kind of single-way belt pulley of automobile generator - Google Patents
A kind of single-way belt pulley of automobile generator Download PDFInfo
- Publication number
- CN208651577U CN208651577U CN201821260439.8U CN201821260439U CN208651577U CN 208651577 U CN208651577 U CN 208651577U CN 201821260439 U CN201821260439 U CN 201821260439U CN 208651577 U CN208651577 U CN 208651577U
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- mandrel
- belt pulley
- automobile generator
- rib section
- type chamber
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Abstract
The utility model relates to generator pulley technical field, especially a kind of single-way belt pulley of automobile generator, including belt wheel, mandrel and the unilateral bearing transmitted for power；Unilateral bearing includes the outer race being fixed in belt wheel upper shaft hole, the inside race being fixed on the outer peripheral surface of mandrel and the retainer between outer race and inside race, and each torque transmitting roller in retainer individually corresponds to a type chamber；Type chamber includes the high active section of the low other end in one end, the low side of active section is raised to form the first rib section upwards, the high-end of active section raises to form the second rib section upwards, torque transmitting roller is located at the active section of type chamber, the utility model by raising at the both ends of active section in type chamber upwards, form the first rib section and the second rib section, to be limited using the first rib section and the second rib section torque transmitting roller, with this eliminate because torque transmitting roller it is offside caused by the risk that fails of clutch.
Description
Technical field
The utility model relates to generator pulley technical field, especially a kind of single-way belt pulley of automobile generator.
Background technique
Usual automobile engine is all made of belt pulley and realizes transmission, the automobile generating of transmission through transmission belt and automobile engine
Machine belt pulley is common belt pulley, operates synchronously between automobile engine, however accelerates suddenly in automobile engine
Or when slowing down, the revolving speed of belt wheel of automobile engine also increases as or reduces, but due to the effect of inertia, will cause generator
Rotor it is asynchronous with the revolving speed moment of belt pulley, will form impact between belt pulley and the transmission belt being mounted thereon, be easy
Vibration or noise are generated, causes transmission tape lifetime lower；
In order to solve this problem, one-way belt sheave has been used on many automobiles at present, one-way belt sheave mainly includes
Belt wheel, the mandrel in belt wheel and the unilateral bearing for driving torque between belt wheel and mandrel, to realize band
Clutch between wheel and mandrel；However the type chamber limitation needle roller inclination of its unilateral bearing and offside energy in existing one-way belt sheave
Power is weak, is easy to happen offside de- release chamber in heavy shock loads lower roller, clutch is caused to fail.
Utility model content
Technical problem to be solved by the utility model is: in order to solve in the prior art one-way belt sheave its large impact carry
The problem of lotus lower roller is easy to happen offside de- release chamber, and clutch is caused to fail now provides a kind of unidirectional skin of automobile current generator
Belt wheel.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of single-way belt pulley of automobile generator,
Including inputted for power belt wheel, for the mandrel of power output and between mandrel and belt wheel for power transmitting
Unilateral bearing；
The inner seat that the unilateral bearing includes the outer race being fixed in belt wheel upper shaft hole, is fixed on the outer peripheral surface of mandrel
Circle and the retainer between outer race and inside race, the retainer offers several windows along its circumferencial direction, described
It is provided with torque transmitting roller in window, is offered on the outer peripheral surface of the inside race for accommodating torque transmitting roller
Type chamber, and each torque transmitting roller in retainer individually corresponds to a type chamber；
The type chamber includes the high active section of the low other end in one end, and the low side of the active section is raised to form first gear upwards
Side section, the high-end of the active section raise to form the second rib section upwards, and the torque transmitting roller is located at the active section of type chamber
Locate, the spring for pushing torque transmitting roller to the second rib section direction of type chamber is fixed on the retainer.
By raising at the both ends of active section in type chamber upwards in this programme, the first rib section of formation and the second rib section,
To be limited using the first rib section and the second rib section torque transmitting roller, eliminated with this because torque transmitting roller is got over
The risk of clutch failure caused by position.
Further, the first rib section and the second rib section are the arc surface of recess, and the arc surface of recess can be prevented
Twist-stop square transmits the sub- run-off the straight of roller.
Further, difference in height h >=5mm between the top and bottom end of the first rib section.
Further, height difference H >=5mm between the top and bottom end of the second rib section.
Further, the inside race is set on mandrel, and the inside race and mandrel are interference fitted.
For the ease of processing, further, the type chamber on the inside race uses punch forming.
Further, there are two retaining rings, two retaining rings to be located at the two of retainer for axially position on the mandrel
End carries out axially position to retainer by two retaining rings and avoids so that mandrel, inside race, retaining ring and retainer rotate together
Relative motion friction is generated between retaining ring and retainer to improve service life to reduce noise.
Further, there are two spring bearing, the spring bearing is axially fixed in mandrel for the both ends setting of the mandrel
On, the outer ring of the spring bearing is contacted with the axis hole of belt wheel, and the spring bearing of the mandrel left end is by the retaining ring of mandrel left end
It is against on the left end end face of inside race, the retaining ring of mandrel right end is against the right end of inside race by the spring bearing of the mandrel right end
On end face.
Further, the inner ring of the spring bearing and mandrel are interference fitted.
Further, the axis hole of the outer race and belt wheel is interference fitted.
The beneficial effects of the utility model are: a kind of single-way belt pulley of automobile generator of the utility model is by by type chamber
The both ends of middle active section are raised upwards, the first rib section and the second rib section are formed, to utilize the first rib section and second gear
Side section to torque transmitting roller limit, with this eliminate because torque transmitting roller it is offside caused by clutch fail wind
Danger.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of axial schematic diagram of single-way belt pulley of automobile generator of the utility model；
Fig. 2 is a kind of radial schematic diagram of single-way belt pulley of automobile generator of the utility model；
Fig. 3 is the partial enlargement diagram of A in Fig. 2；
Fig. 4 is a kind of schematic diagram of the medium-sized chamber of single-way belt pulley of automobile generator of the utility model；
Fig. 5 is the schematic three dimensional views of inside race in a kind of single-way belt pulley of automobile generator of the utility model；
Fig. 6 is that retainer and its interior torque transmitting roller show in a kind of single-way belt pulley of automobile generator of the utility model
It is intended to；
Fig. 7 is the schematic diagram of spring in a kind of single-way belt pulley of automobile generator of the utility model.
In figure: 1, belt wheel, 1-1, axis hole, 2, mandrel, 3, outer race, 4, inside race, 4-1, type chamber, 4-11, the first rib
Section, 4-12, the second rib section, 4-13, active section, 5, retainer, 5-1, window, 6, retaining ring, 7, torque transmitting roller, 8, spring
Piece, 8-1, clamping part, 8-2, bouncing plate, 9, spring bearing.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model, direction
It can be only used for helping the description to the feature in attached drawing with referring to (for example, upper and lower, left and right, etc.).Therefore, it is not limiting
Following specific embodiments are used in property meaning processed, and are only requested by appended claims and its equivalent form to limit
The range of the theme of protection.
Embodiment 1
As shown in figures 1 to 6, a kind of single-way belt pulley of automobile generator, including inputted for power belt wheel 1, for power
The mandrel 2 of output and the unilateral bearing for power transmitting between mandrel 2 and belt wheel 1；
The unilateral bearing includes the outer race 3 being fixed in 1 upper shaft hole 1-1 of belt wheel, is fixed on the outer peripheral surface of mandrel 2
Inside race 4 and the retainer 5 between outer race 3 and inside race 4, if the retainer 5 is offered along its circumferencial direction
It is provided with torque transmitting roller 7 in dry window 5-1, the window 5-1, is opened up on the outer peripheral surface of the inside race 4 useful
Each torque transmitting roller 7 in the type chamber 4-1 for accommodating torque transmitting roller 7, and in retainer 5 individually corresponds to a type
Chamber 4-1；
The axis hole 1-1 of the outer race 3 and belt wheel 1 is interference fitted, to realize outer race 3 in the axis hole 1-1 of belt wheel 1
Fixation.
The type chamber 4-1 includes the high active section 4-13 of the low other end in one end, and the low side of the active section 4-13 is lifted upwards
Height forms the high-end of the first rib section 4-11, the active section 4-13 and raises to form the second rib section 4-12, the torque upwards
Transmitting roller 7 is located at the active section 4-13 of type chamber 4-1, is fixed on the retainer 5 for torque to be transmitted roller 7 to type
The spring that the second rib direction section 4-12 of chamber 4-1 pushes.
As shown in fig. 7, spring leaf 8 specifically can be used in spring, which includes clamping part 8-1, the one of clamping part 8-1
Side is fixed, and there are two bouncing plate 8-2, the clamping part 8-1 of spring leaf 8 to be fixed on retainer 5, two bouncing plate 8- of spring leaf 8
The 2 corresponding torque transmitting rollers 7 resisted in window 5-1.
The first rib section 4-11 and the second rib section 4-12 is the arc surface of recess, and the arc surface of recess can prevent
Torque transmits 7 run-off the straight of roller.
As shown in figure 4, difference in height h >=5mm between the top and bottom end of the first rib section 4-11, the first rib section
Difference in height h between the top and bottom end of 4-11 is actually referred to: being located at the top of first gear side section 4-11 on inside race 4 most
Difference where being located at the bottom end most inner side of first gear side section 4-11 on radius where outside and inside race 4 between radius；
Height difference H >=5mm between the top and bottom end of the second rib section 4-12, the top of the second rib section 4-12
Height difference H between bottom end actually refers to: being located at half where the top outermost of second gear side section 4-12 on inside race 4
Difference where being located at the bottom end most inner side of second gear side section 4-12 on diameter and inside race 4 between radius.
The inside race 4 is set on mandrel 2, and the inside race 4 is interference fitted with mandrel 2, the type on the inside race 4
Chamber 4-1 uses punch forming, inside race 4 is designed to mandrel 2 it is split type, can conducive to the processing of 4 upper impression 4-1 of inside race,
To process type chamber 4-1 on inside race 4 using stamping forming mode.
There are two retaining rings 6, two retaining rings 6 to be located at the both ends of retainer 5 for axially position on the mandrel 2, leads to
It crosses two retaining rings 6 and axially position is carried out to retainer 5, so that mandrel 2, inside race 4, retaining ring 6 and retainer 5 can rotate together,
Generation relative motion friction between retaining ring 6 and retainer 5 is avoided to improve service life to reduce noise；
There are two spring bearing 9, the spring bearing 9 is axially fixed on mandrel 2, is had for the both ends setting of the mandrel 2
Body are as follows: the inner ring and mandrel 2 of the spring bearing 9 are interference fitted, and the outer ring of the spring bearing 9 connects with the axis hole 1-1 of belt wheel 1
The retaining ring 6 of 2 left end of mandrel is against on the left end end face of inside race 4 by touching, the spring bearing 9 of 2 left end of mandrel, the mandrel
The retaining ring 6 of mandrel right end is against on the right end end face of inside race 4 by the spring bearing 9 of 2 right ends.
In addition, axial supporting role is played to retainer 5 using retaining ring 6, to eliminate or reduce retainer 5 in big impact
The risk for deforming and damaging under load.
One of the utility model single-way belt pulley of automobile generator course of work is as follows:
When revolving speed of the belt wheel 1 on the direction of rotation that the unilateral bearing torque transmits is greater than the revolving speed of mandrel 2, torque is passed
The end thereof contacts on the active section 4-13 of roller 7 and type chamber 4-1 close to the second rib section 4-12 are passed, to utilize torque by-pass roll
The torque that belt wheel 1 is transmitted on outer seat 3 is transmitted on mandrel 2 by son 7, i.e., unilateral bearing enters meshing state, and final realize is led to
It crosses unilateral bearing the torque that belt wheel 1 transmits is transmitted on mandrel 2；
When revolving speed of the belt wheel 1 on the direction of rotation that the unilateral bearing torque transmits is less than the revolving speed of mandrel 2, torque is passed
One end that roller 7 is moved to close first rib section 4-11 on the active section 4-13 of type chamber 4-1 is passed, unilateral bearing disconnects belt wheel 1
With the bearer connection between mandrel 2, i.e., the unilateral bearing between belt wheel 1 and mandrel 2 realizes unlock, eventually by unilateral bearing reality
The now self-movement of mandrel 2 under this state and belt wheel 1.
The above-mentioned desirable embodiment according to the utility model is enlightenment, through the above description, relevant staff
Completely various changes and amendments can be carried out in the range of without departing from this item utility model technical idea.This item is practical
Novel technical scope is not limited to the contents of the specification, it is necessary to determine that its is technical according to scope of the claims
Range.
Claims (10)
1. a kind of single-way belt pulley of automobile generator, it is characterised in that: including inputted for power belt wheel (1), for power
The mandrel (2) of output and the unilateral bearing for power transmitting between mandrel (2) and belt wheel (1)；
The unilateral bearing includes the outer race (3) being fixed in belt wheel (1) upper shaft hole (1-1), the periphery for being fixed on mandrel (2)
Inside race (4) on face and the retainer (5) between outer race (3) and inside race (4), the retainer (5) is along its circle
Circumferential direction offers several windows (5-1), and torque transmitting roller (7), the inside race are provided in the window (5-1)
(4) the type chamber (4-1) for accommodating torque transmitting roller (7), and each torque in retainer (5) are offered on outer peripheral surface
It transmits roller (7) and individually corresponds to a type chamber (4-1)；
The type chamber (4-1) includes the high active section (4-13) of the low other end in one end, and the low side of the active section (4-13) is upward
It raising to form the first rib section (4-11), the high-end of the active section (4-13) raises to form the second rib section (4-12) upwards,
Torque transmitting roller (7) is located at the active section (4-13) of type chamber (4-1), is fixed on the retainer (5) for inciting somebody to action
The spring that torque transmitting roller (7) is pushed to the second rib section direction (4-12) of type chamber (4-1).
2. a kind of single-way belt pulley of automobile generator according to claim 1, it is characterised in that: the first rib section
(4-11) and the second rib section (4-12) are the arc surface of recess.
3. a kind of single-way belt pulley of automobile generator according to claim 1, it is characterised in that: the first rib section
Difference in height h >=5mm between the top and bottom end of (4-11).
4. a kind of single-way belt pulley of automobile generator according to claim 1, it is characterised in that: the second rib section
Height difference H >=5mm between the top and bottom end of (4-12).
5. a kind of single-way belt pulley of automobile generator according to claim 1, it is characterised in that: inside race (4) set
It is located on mandrel (2), the inside race (4) and mandrel (2) are interference fitted.
6. a kind of single-way belt pulley of automobile generator according to claim 5, it is characterised in that: on the inside race (4)
Type chamber (4-1) use punch forming.
7. a kind of single-way belt pulley of automobile generator according to claim 5, it is characterised in that: axis on the mandrel (2)
To positioning there are two retaining ring (6), two retaining rings (6) are located at the both ends of retainer (5).
8. a kind of single-way belt pulley of automobile generator according to claim 7, it is characterised in that: the two of the mandrel (2)
End setting is there are two spring bearing (9), and the spring bearing (9) is axially fixed on mandrel (2), the spring bearing (9)
Outer ring is contacted with the axis hole (1-1) of belt wheel (1), and the spring bearing (9) of mandrel (2) left end is by the retaining ring of mandrel (2) left end
(6) it is against on the left end end face of inside race (4), the spring bearing (9) of mandrel (2) right end is by the retaining ring of mandrel (2) right end
(6) it is against on the right end end face of inside race (4).
9. a kind of single-way belt pulley of automobile generator according to claim 8, it is characterised in that: the spring bearing (9)
Inner ring and mandrel (2) be interference fitted.
10. a kind of single-way belt pulley of automobile generator according to claim 1, it is characterised in that: the outer race (3) with
The axis hole (1-1) of belt wheel (1) is interference fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821260439.8U CN208651577U (en) | 2018-08-06 | 2018-08-06 | A kind of single-way belt pulley of automobile generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821260439.8U CN208651577U (en) | 2018-08-06 | 2018-08-06 | A kind of single-way belt pulley of automobile generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651577U true CN208651577U (en) | 2019-03-26 |
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ID=65788274
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821260439.8U Active CN208651577U (en) | 2018-08-06 | 2018-08-06 | A kind of single-way belt pulley of automobile generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691985A (en) * | 2018-08-06 | 2018-10-23 | 江苏南方轴承股份有限公司 | A kind of single-way belt pulley of automobile generator |
-
2018
- 2018-08-06 CN CN201821260439.8U patent/CN208651577U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691985A (en) * | 2018-08-06 | 2018-10-23 | 江苏南方轴承股份有限公司 | A kind of single-way belt pulley of automobile generator |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 Longxiang Road, Wujin high tech Development Zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Nanfang Precision Industry Co.,Ltd. Address before: 213164 No.9, Longxiang Road, Wujin high tech Development Zone, Changzhou City, Jiangsu Province Patentee before: Jiangsu Nanfang Bearing Co.,Ltd. |