CN207500365U - A kind of roller type one way device - Google Patents
A kind of roller type one way device Download PDFInfo
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- CN207500365U CN207500365U CN201721610903.7U CN201721610903U CN207500365U CN 207500365 U CN207500365 U CN 207500365U CN 201721610903 U CN201721610903 U CN 201721610903U CN 207500365 U CN207500365 U CN 207500365U
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- roller
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- spring
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- 230000007704 transition Effects 0.000 claims description 43
- 230000000694 effects Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 208000002925 dental caries Diseases 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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Abstract
The utility model provides a kind of roller type one way device, belongs to field of mechanical technique.It solves the problems, such as that existing roller type one way device will appear failure or stuck.This roller type one way device includes output shaft, gear shaft and star-wheel, gear shaft has driving hole, one end of output shaft is interspersed in driving hole, the both ends of star-wheel are respectively sleeved on output shaft and gear shaft, the inside of star-wheel one end has several raceways, clutch is equipped between gear shaft and raceway, clutch includes several rollers, several springs and retainer, at least two rollers and at least two springs are equipped in each raceway, roller is arranged in a one-to-one correspondence with spring, one end of spring is acted on retainer, the other end of spring is acted on roller, roller is pressed between raceway and gear shaft under the action of the spring, when roller type one way device return, roller can mutually stagger.This roller type one way utensil avoids the occurrence of the advantages of stuck.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of roller type one way device.
Background technology
One way device for ignitor is the transmission device that the torque that motor produces is passed to flywheel on starter, wherein, roller
Formula isolator is widely used when simple in structure.In the prior art, roller type one way device mainly includes star-wheel and output shaft, defeated
Shaft is connected to one end of star-wheel, and roller and spring are equipped between the raceway on the inside of one end of output shaft and star-wheel, and raceway has
Taper, taper can realize the separation and wedging of output shaft one end and roller, however, taper, which crosses conference, leads to output shaft and star-wheel
Illusive situation is engaged, formed idle running angle is caused to exceed the range of technical standard, isolator will appear failure or stuck
The phenomenon that.
The roller type one way device of the prior art, such as Chinese patent literature data disclose a kind of starting motor ball-type
Mono-directional overrun clutch [the patent No.：201420707819.7；Application publication number：CN204512233U], including gear shaft and be in
The orientation sleeve of tubular, described orientation sleeve one end is set on gear shaft and the gear shaft and the orientation sleeve are axial
It is fixed, clutch is equipped between the gear shaft and the orientation sleeve, which is characterized in that the orientation sleeve is another
There is the positioning column of protrusion on the end face of one end, and the positioning column and the orientation sleeve by same material once into
Type forms, and the positioning column at least three and is evenly distributed.
The torque that motor produces can be passed to the transmission device of flywheel by the roller type one way device.Roller transmission dress
When putting work, the inclination of roller and curved surface can be caused due to the curved surface taper of raceway, but roller can not to inclined angle into
Row compensation causes the idle running angle of isolator to exceed the range of technical standard, in turn results in isolator and will appear failure or stuck
Phenomenon.
Invention content
The purpose of this utility model is for the above-mentioned problems in the prior art, it is proposed that a kind of roller type one way device
The technical issues of solution is that isolator how to be avoided the phenomenon that stuck occur.
The purpose of this utility model can be realized by following technical proposal：A kind of roller type one way device, including output shaft,
Gear shaft and star-wheel, the gear shaft have driving hole, and one end of the output shaft is interspersed in driving hole, and the two of the star-wheel
End is respectively sleeved on output shaft and gear shaft, and the inside of described star-wheel one end has several raceways, the gear shaft and rolling
Clutch is equipped between road, which is characterized in that the clutch includes several rollers, several springs and retainer,
At least two rollers and at least two springs are equipped in each raceway, the roller is arranged in a one-to-one correspondence with spring, described
One end of spring is acted on retainer, and the other end of the spring is acted on roller, and roller is compacted under the action of the spring
Between raceway and gear shaft, when roller type one way device return, the roller can mutually stagger.
The operation principle of this roller type one way device is:During isolator return, roller retracts, and roller along the track of raceway
It can be mutually staggered on raceway and return, be mutually staggered by roller and can compensate for roller and tilt the taper generated with raceway.
Since the quantity of roller is at least two, and each roller has corresponding spring so that roller can be according in raceway
The flexible beat in location, after beat, roller return under spring force effect, and the beat of roller can be by isolator
Angle control dally in the range of technical standard, so as to which isolator be avoided the phenomenon that stuck occur.
In a kind of above-mentioned roller type one way device, the raceway is to be connected by an inclined concave surface with two transition faces
It is formed, the concave surface connect to form First Transition arc with one of transition face, and the concave surface connects with another transition face
It connects to form the second transition arcs, second transition arcs are higher than First Transition arc.The setting of First Transition arc and the second transition arcs makes
Raceway transitions smooth so that roller can on concave surface smooth rolling, when isolator works, due to the second transition arcs
Higher than First Transition arc so that roller will not be rolled from the second transition arcs to the outside of concave surface, so that this rolling along concave surface
Pillar isolator the operation is stable.
In a kind of above-mentioned roller type one way device, the retainer is annular in shape, and the lateral wall of the retainer can be with
The transition face of First Transition arc connection matches, and the madial wall of the retainer is matched with gear shaft, and the retainer is by tooth
Wheel shaft lateral wall is several cavitys with star-wheel internal separation.This kind of structure causes retainer to be clamped at transition face and gear shaft
Lateral wall between, isolator work when, retainer causes roller not rolled along concave surface from First Transition arc to concave surface
Outside, so that this roller type one way device the operation is stable.
In a kind of above-mentioned roller type one way device, the retainer includes several butting sections, the butting section protrusion
On the concave surface of First Transition arc connection, the butting section has abutment face, and one end of the spring is acted on abutment face.It supports
The setting of relying part can provide reliable active force for one end of spring so that the elastic force of spring can fully act on roller
On, so as to which isolator be avoided the phenomenon that stuck occur.
In a kind of above-mentioned roller type one way device, the end that the star-wheel is set on gear shaft is equipped with lantern ring and gear
Piece has protrusion on the lateral wall of described star-wheel one end, and the inside of the catch has pit, and the lantern ring is fixed by catch
On star-wheel.Pit is embedded into protrusion so that the openend of star-wheel is sealed catch and catch is fixed, together
When, catch also is able to lantern ring being fixed on the openend of star-wheel, and lantern ring can prevent extraneous dust and moisture from entering
In clutch, so as to extend the service life of this roller type one way device.
Compared with prior art, a kind of roller type one way utensil provided by the utility model has the advantage that：Isolator returns
During position, roller retracts under the elastic force effect of spring along concave surface, and when roller retracts, roller between each other can be according to residing
Position can carry out flexible beat so that roller can compensate for taper caused by concave inclination, by roller and concave inclination
The control of generated idle running angle avoids isolator from the phenomenon that stuck occur in the range of technical standard.
Description of the drawings
Fig. 1 is this roller type one way device overall structure sectional view.
Fig. 2 is this roller type one way device lateral partial structurtes sectional view.
In figure, 1, output shaft；2nd, gear shaft；21st, driving hole；3rd, star-wheel；31st, raceway；32nd, concave surface；33rd, transition face；34、
First Transition arc；35th, the second transition arcs；36th, it is raised；4th, clutch；41st, roller；42nd, spring；43rd, retainer；44th, against
Portion；45th, abutment face；5th, cavity；6th, lantern ring；7th, catch；71st, pit.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, this roller type one way device includes output shaft 1, gear shaft 2, star-wheel 3 and clutch 4.
Specifically, one end of gear shaft 2 has driving hole 21, and one end of output shaft 1 is interspersed in driving hole 21, star-wheel
3 both ends are respectively sleeved on output shaft 1 and gear shaft 2, and in the present embodiment, the inside of 3 one end of star-wheel has eight raceways 31,
In actual production, the quantity of raceway 31 can be six or ten, and clutch 4 is arranged between gear shaft 2 and raceway 31.
As shown in Fig. 2, in the present embodiment, clutch 4 includes 16 rollers 41,16 springs 42 and retainers
43, in actual production, the quantity of roller 41 can be 12, and the quantity of spring 42 can be 12, and raceway 31 is by one
What a inclined concave surface 32 and two connections of transition face 33 were formed, concave surface 32 is connect with one of transition face 33 forms the first mistake
Arc 34 is crossed, concave surface 32 is connect with another transition face 33 forms the second transition arcs 35, and the second transition arcs 35 are higher than the first mistake
Arc 34 is crossed, there is at least two rollers 41 and at least two springs 42 in each raceway 31, roller 41 is set with the one-to-one correspondence of spring 42
It puts, retainer 43 is annular in shape, and the transition face 33 that the lateral wall of frame can be connect with First Transition arc 34 matches, retainer 43
Madial wall is matched with gear shaft 2, and in the present embodiment, 2 lateral wall of gear shaft and 3 internal separation of star-wheel are eight by retainer 43
Cavity 5, in actual production, the quantity of cavity 5 can be six or ten, and retainer 43 is fixed on transition face 33 and gear
Between the lateral wall of axis 2, in the present embodiment, retainer 43 includes eight butting sections 44, in actual production, the quantity of retainer 43
Can be six or ten, butting section 44 is protruded on the concave surface 32 connect in First Transition arc 34, butting section 44 with against
Face 45, one end of spring 42 are acted on abutment face 45, and the other end of spring 42 is acted on roller 41, and roller 41 is in spring 42
It is pressed under effect between raceway 31 and gear shaft 2, when 41 formula isolator return of roller, the roller 41 can be mutually wrong
It opens.
The end that star-wheel 3 is set on gear shaft 2 is equipped with lantern ring 6 and catch 7, has on the lateral wall of described 3 one end of star-wheel
There is protrusion 36, the inside of the catch 7 has pit 71, and the lantern ring 6 is fixed on by catch 7 on star-wheel 3.
During isolator return, the roller 41 in cavity 5 returns under the effect of the elastic force of spring 42 along the track of concave surface 32
It moves back, when roller 41 retracts, the meeting opposed concave 32 of roller 41, which generates, tilts taper, occurs idle running angle in raceway 31, at this time roller 41
It can carry out flexible beat between each other according to location, after 41 beat of roller, roller 41 can be carried out to tilting taper
Compensation, by the idle running angle generated in raceway 31 control in the range of technical standard, also, roller 41 is in the work of 42 elastic force of spring
Original position can be back under, so as to which isolator be avoided the phenomenon that stuck occur.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although output shaft 1, gear shaft 2, driving hole 21, star-wheel 3, raceway 31, concave surface 32, transition is used more herein
Face 33, First Transition arc 34, the second transition arcs 35, protrusion 36, clutch 4, roller 41, spring 42, retainer 43, butting section
44th, the terms such as abutment face 45, cavity 5, lantern ring 6, catch 7, pit 71, but it does not preclude the possibility of using other terms.Make
It is used for the purpose of more easily describing and explaining the essence of the utility model with these terms；It is construed as any attached
The limitation added is all contrary to the spirit of the present invention.
Claims (5)
1. a kind of roller type one way device, including output shaft (1), gear shaft (2) and star-wheel (3), the gear shaft (2) has transmission
Hole (21), one end of the output shaft (1) are interspersed in driving hole (21), and the both ends of the star-wheel (3) are respectively sleeved at output
On axis (1) and gear shaft (2), the inside of described star-wheel (3) one end has several raceways (31), the gear shaft (2) and rolling
Between road (31) be equipped with clutch (4), which is characterized in that the clutch (4) including several rollers (41), several
Spring (42) and retainer (43) are each equipped at least two rollers (41) and at least two springs in the raceway (31)
(42), the roller (41) is arranged in a one-to-one correspondence with spring (42), and one end of the spring (42) is acted on retainer (43),
The other end of the spring (42) is acted on roller (41), and roller (41) is pressed in raceway (31) under spring (42) effect
Between gear shaft (2), when roller (41) formula isolator return, the roller (41) can mutually stagger.
2. a kind of roller type one way device according to claim 1, which is characterized in that the raceway (31) is by an inclination
Concave surface (32) and two transition faces (33) connections formed, the concave surface (32) connect formation with one of transition face (33)
First Transition arc (34), the concave surface (32) connect with another transition face (33) forms the second transition arcs (35), and described the
Two transition arcs (35) are higher than First Transition arc (34).
3. a kind of roller type one way device according to claim 2, which is characterized in that the retainer (43) annularly, institute
The transition face (33) that stating the lateral wall of retainer (43) can connect with First Transition arc (34) matches, the retainer (43)
Madial wall matched with gear shaft (2), gear shaft (2) lateral wall and star-wheel (3) internal separation are by the retainer (43)
Several cavitys (5).
4. a kind of roller type one way device according to Claims 2 or 3, which is characterized in that the retainer (43) if including
Dry butting section (44), the butting section (44) are protruded on the concave surface (32) connected in First Transition arc (34), the butting section
(44) there is abutment face (45), one end of the spring (42) is acted on abutment face (45).
5. a kind of roller type one way device according to claims 1 or 2 or 3, which is characterized in that the star-wheel (3) is set in
End on gear shaft (2) is equipped with lantern ring (6) and catch (7), has raised (36) on the lateral wall of described star-wheel (3) one end,
The inside of the catch (7) has pit (71), and the lantern ring (6) is fixed on by catch (7) on star-wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610903.7U CN207500365U (en) | 2017-11-27 | 2017-11-27 | A kind of roller type one way device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610903.7U CN207500365U (en) | 2017-11-27 | 2017-11-27 | A kind of roller type one way device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500365U true CN207500365U (en) | 2018-06-15 |
Family
ID=62506364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721610903.7U Active CN207500365U (en) | 2017-11-27 | 2017-11-27 | A kind of roller type one way device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324816A (en) * | 2020-11-06 | 2021-02-05 | 洛阳轴承研究所有限公司 | Inclined strut type overrunning clutch |
| CN114289536A (en) * | 2021-12-31 | 2022-04-08 | 玉环普天单向器有限公司 | Cold extrusion male die for star wheel roller chamber of isolator and manufacturing method thereof |
-
2017
- 2017-11-27 CN CN201721610903.7U patent/CN207500365U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324816A (en) * | 2020-11-06 | 2021-02-05 | 洛阳轴承研究所有限公司 | Inclined strut type overrunning clutch |
| CN112324816B (en) * | 2020-11-06 | 2022-01-21 | 洛阳轴承研究所有限公司 | Inclined strut type overrunning clutch |
| CN114289536A (en) * | 2021-12-31 | 2022-04-08 | 玉环普天单向器有限公司 | Cold extrusion male die for star wheel roller chamber of isolator and manufacturing method thereof |
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