CN103216373B - Isolator device - Google Patents
Isolator device Download PDFInfo
- Publication number
- CN103216373B CN103216373B CN201310147089.XA CN201310147089A CN103216373B CN 103216373 B CN103216373 B CN 103216373B CN 201310147089 A CN201310147089 A CN 201310147089A CN 103216373 B CN103216373 B CN 103216373B
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- Prior art keywords
- ring
- star
- wheel
- drive shaft
- connecting portion
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Abstract
The invention discloses a kind of isolator device, including drive shaft, star-wheel, cover cap, back-up ring, driving gear, jump ring, jump ring cover and stage clip；Star-wheel is provided with connection part and the installation portion of evagination；Drive shaft is provided with annular connecting portion, and the connection part of star-wheel is set on this annular connecting portion；Star-wheel connection part is provided with multiple one-way clutch groove, is provided with roller and flat spring in each one-way clutch groove；Back-up ring includes pressure contact portion and sealing, and pressure contact portion is crimped on the side on drive shaft annular connecting portion away from star-wheel installation portion；Sealing is set on the periphery wall of drive shaft annular connecting portion and blocks each one-way clutch groove；Cover cap includes being set in the fixed part on star-wheel connection part periphery wall and for back-up ring being crimped the ring sealing plate portion being fixed on star-wheel connection part.Due to the fact that the relatively reasonable in structure of back-up ring, sealing effectiveness is preferable, it is possible to effectively prevent lubricating oil from leaking, thus increases the service life and ensure the reliability of work.
Description
Technical field
The invention belongs to isolator structure and relate to technical field.
Background technology
Isolator device is widely used in automobile industry, such as, be equipped with isolator dress in the starter of automobile
Put.When starting up the car, cooperate between starter and electromotor, complete whole start-up course.Initial period, starts dress
Put work, and by isolator, power is transmitted to electromotor, thus drive electromotor to work.When electromotor be activated with
After, its rotating speed is more than the rotating speed of starter, and now starter has been completed task, and automatically departs from electromotor.
Isolator device is in order to reduce abrasion and realize one-way clutch, and needs are installed multiple in the one-way clutch groove of star-wheel
Roller and flat spring coordinate rotation, in order to reduce friction, are typically necessary grease at roller and lubricate, and oils and fats is turning at a high speed
Dynamic lower meeting is thinning, and along with rotation at a high speed throws away, causes the abrasion between roller, drive shaft, star-wheel, therefore the most typically exists
In drive shaft, sheathed back-up ring blocks one-way clutch groove, but its sealing effectiveness is the best, it is impossible to stop lubricating oil throw away and
Extraneous dust enters one-way clutch groove.It addition, this structure is when surmounting, flat spring is easily deformed, contraction can not resilience and lost efficacy,
Cause isolator ineffective.
Summary of the invention
It is an object of the invention to provide a kind of effective lifting service life and the isolator device of reliability.
The technical scheme realizing the object of the invention is: a kind of isolator device, including drive shaft, star-wheel, cover cap, back-up ring,
Drive gear, jump ring, jump ring cover and be used for as driving gear to provide the stage clip of reseting elasticity；Star-wheel is connected with drive shaft at it
One end is provided with the connection part of evagination, is provided with installation portion at it away from one end of drive shaft；Drive shaft periphery wall is provided with protrusion
Annular connecting portion, the connection part of star-wheel is set on this annular connecting portion；The centre bore of star-wheel connection part is provided with for multiple
The one-way clutch groove being circumferentially spaced substantially equidistant, is provided with roller and for providing reseting elasticity for this roller in each one-way clutch groove
Flat spring；It is characterized in that: back-up ring includes pressure contact portion and sealing, pressure contact portion is crimped on drive shaft annular connecting portion away from star
One side of wheel installation portion；Sealing is set on the periphery wall of drive shaft annular connecting portion and blocks each one-way clutch groove；
Cover cap includes being set in the fixed part on star-wheel connection part periphery wall and for back-up ring crimping is fixed on star-wheel connection part
Ring sealing plate portion.
In technique scheme, roller is the compound roller being arranged in a combination by two monomer roller concentric adjacent contact,
The double-spring type flat spring in two elastic flat spring portions is made up and is had to flat spring of same tinsel, and each elastic flat spring portion supports respectively
It is connected between one-way clutch groove cell wall and a corresponding monomer roller.
In technique scheme, the center bore of drive shaft is fixed with two isometrical copper sheathings.
In technique scheme, the periphery wall of drive shaft annular connecting portion be provided with evagination for each one-way clutch groove
It is separated into the annular retaining wall of two containing cavities, each containing cavity is equipped with a roller and one and provides reset bullet for this roller
The flat spring of power.
In technique scheme, drive shaft annular connecting portion is provided with on its periphery wall away from one end of star-wheel installation portion
Annular groove, is provided with O-ring seal in this annular groove, this ring sealing ring block back-up ring and drive shaft annular connecting portion it
Between gap.
In technique scheme, O-ring seal is provided with the scarfing unit being embedded in annular groove, and it is recessed to expose annular
The cross sectional shape of groove is semicircular closure part；Back-up ring includes connecting pressure contact portion and the arc shaped transition part of sealing, this transition
Portion is crimped on the closure part of O-ring seal on the outer wall of drive shaft annular connecting portion.
The invention have the advantages that the relatively reasonable in structure of (1) back-up ring, sealing effectiveness is preferable, it is possible to effectively prevent profit
Lubricating oil leaks, thus increases the service life and ensure the reliability of work.(2) owing to using relatively reasonable in structure being combined
Roller and for for this roller provide reseting elasticity double-spring type flat spring, when one of them monomer roller or an elastic flat spring
When portion damages, the most a set of elastic flat spring portion and a monomer roller still can normally work, thus are effectively increased unidirectional
The security reliability of device device.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the first structure of the present invention；
Fig. 2 is a kind of sectional view of star-wheel connection part in isolator device shown in Fig. 1；
Fig. 3 is a kind of structural representation driving gear in isolator device shown in Fig. 1；
Fig. 4 is the A direction view driving gear shown in Fig. 3；
Fig. 5 is a kind of structural representation of the second structure of the present invention；
Fig. 6 is a kind of structural representation of flat spring in isolator device shown in Fig. 5；
Fig. 7 be in isolator device shown in Fig. 5 flat spring and roller with the use of a kind of structural representation；
Fig. 8 is a kind of structural representation of the third structure of the present invention.
It is labeled as shown in accompanying drawing: drive shaft 1, connecting portion 11, annular retaining wall 12, annular groove 13, sealing ring 14, scarfing unit
141, closure part 142, star-wheel 2, connection part 21, installation portion 22, one-way clutch groove 23, containing cavity 24, cover cap 3, fixed part 31, envelope
Plate portion 32, back-up ring 4, pressure contact portion 41, sealing 42, transition part 43, drive gear 5, external tooth 51, spline 52, jump ring 6, jump ring cover
7, stage clip 8, roller 91, monomer roller 911, flat spring 92, elastic flat spring portion 921, copper sheathing 93.
Detailed description of the invention
(embodiment 1)
Fig. 1 to Fig. 4 shows a kind of detailed description of the invention of the present invention, and wherein Fig. 1 is a kind of structural representation of the present invention
Figure；Fig. 2 is a kind of sectional view of star-wheel connection part in isolator device shown in Fig. 1；Fig. 3 is to drive in isolator device shown in Fig. 1
A kind of structural representation of moving gear；Fig. 4 is the A direction view driving gear shown in Fig. 3,.
The present embodiment is a kind of isolator device, as shown in Fig. 1 to Fig. 4, including drive shaft 1, star-wheel 2, cover cap 3, back-up ring
4, drive gear 5, jump ring 6, jump ring cover 7 and be used for as driving gear to provide the stage clip 8 of reseting elasticity；Star-wheel is in itself and drive shaft
The one end connected is provided with the connection part 21 of evagination, is provided with installation portion 22 at it away from one end of drive shaft；In star-wheel connection part
Central hole is provided with for multiple one-way clutch grooves 23 being circumferentially spaced substantially equidistant, each one-way clutch groove is provided with roller 91 and uses
In the flat spring providing reseting elasticity for this roller；Drive shaft periphery wall is provided with the annular connecting portion 11 of protrusion, the connection of star-wheel
Portion is set on this annular connecting portion, and back-up ring includes pressure contact portion 41 and sealing 42, and pressure contact portion is crimped on drive shaft annular and connects
Away from a side of star-wheel installation portion in portion, sealing is set on the periphery wall of drive shaft annular connecting portion and blocks respectively
One-way clutch groove；Cover cap includes being set in the fixed part 31 on star-wheel connection part periphery wall and for back-up ring crimping is fixed on star
Ring sealing plate portion 32 on wheel connection part.This kind relatively reasonable in structure, and sealing effectiveness is preferable, it is possible to effectively prevents outside lubricating oil
Let out, thus increase the service life and ensure the reliability of work
Jump ring is fastened on one end away from star-wheel of drive shaft, and jump ring cover cover is penetrated on jump ring；Drive gear slidably
Sheathed on the driving shaft, and be positioned at the side close to star-wheel of jump ring；Compression spring sleeve sets on the driving shaft, and is positioned at driving gear
The side away from jump ring.
Being provided with six one-way clutch grooves in the present invention in the centre bore of star-wheel connection part, this kind of structure is than traditional employing five
The star-wheel of individual one-way clutch groove is compared, and has torsion and the effect in service life improving product.
The driving gear that the present invention opens, the spline 52 in its external tooth 51 and endoporus is to use extruded mode one-shot forming
Make, first mold external tooth with traditional, reshaping goes out compared with the mode of endoporus spline, is effectively improved the concentricity and of product
Cause property.
(embodiment 2)
Fig. 5 to Fig. 7 shows the second detailed description of the invention of the present invention, and wherein Fig. 5 is the second structure of the present invention
A kind of structural representation；Fig. 6 is a kind of structural representation of flat spring in isolator device shown in Fig. 5；Fig. 7 is unidirectional shown in Fig. 5
In device device flat spring and roller with the use of a kind of structural representation.
The present embodiment be that embodiment 1 is essentially identical, difference is: the roller in the present embodiment is by two monomers
The compound roller that roller 911 concentric adjacent contact is arranged in a combination, flat spring is made up of same tinsel and has two bullets
Property flat spring portion 921 double-spring type flat spring, each elastic flat spring portion is connected to one-way clutch groove cell wall and corresponding monomer rolling respectively
Between post.It addition, the present embodiment is fixed with in the center bore of drive shaft two isometrical copper sheathings 93.
The present embodiment is owing to using compound roller relatively reasonable in structure and for providing the double of reseting elasticity for this roller
Spring formula flat spring, when one of them monomer roller or an elastic flat spring portion damage, the most a set of elastic flat spring portion and one
Monomer roller still can normally work, thus is effectively increased the security reliability of isolator device.It addition, the present embodiment leads to
Cross the double copper sheathing structure of employing, stability when external axostylus axostyle rotates and wearability can be effectively improved, thus improve the present embodiment
Service life.
(embodiment 3)
Fig. 8 is a kind of structural representation of the third structure of the present invention, it is shown that the third specific embodiment party of the present invention
Formula.
The present embodiment is substantially the same manner as Example 2, and difference is: the periphery wall of drive shaft annular connecting portion is provided with
The annular retaining wall 12 for each one-way clutch groove being separated into two containing cavities 24 of evagination, is equipped with a rolling in each containing cavity
Post and a flat spring that reseting elasticity is provided for this roller.
Drive shaft annular connecting portion is provided with annular groove 13 on its periphery wall away from one end of star-wheel installation portion, this ring
Being provided with O-ring seal 14 in connected in star, this ring sealing ring blocks the gap between back-up ring and drive shaft annular connecting portion.Ring
Shape sealing ring is provided with the scarfing unit 141 being embedded in annular groove, and the cross sectional shape exposing annular groove is semicircular
Closure part 142；Back-up ring includes connecting pressure contact portion 41 and the arc shaped transition part 43 of sealing 42, and this transition part is O-ring seal
Closure part be crimped on the outer wall of drive shaft annular connecting portion.
The present embodiment can use common flat spring and roller, during because compound flat spring damages at one, drags at it
Under Lei, easily it is quickly damaged at another, and the present embodiment is owing to have employed completely self-contained two rollers and two flat springs, one
During damage, do not interfere with another one, thus improve reliability and extend service life.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these
Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (1)
1. an isolator device, including drive shaft (1), star-wheel (2), cover cap (3), back-up ring (4), drives gear (5), jump ring
(6), jump ring cover (7) and for for drive gear provide reseting elasticity stage clip (8)；Star-wheel is in its one end being connected with drive shaft
It is provided with the connection part (21) of evagination, is provided with installation portion (22) at it away from one end of drive shaft；Drive shaft periphery wall is provided with convex
The annular connecting portion (11) gone out, the connection part of star-wheel is set on this annular connecting portion；The centre bore of star-wheel connection part is provided with
For multiple one-way clutch grooves (23) being circumferentially spaced substantially equidistant, each one-way clutch groove is provided with roller (91) and for for being somebody's turn to do
Roller provides the flat spring (92) of reseting elasticity；It is characterized in that: back-up ring includes pressure contact portion (41) and sealing (42), pressure contact portion pressure
It is connected on the side away from star-wheel installation portion on drive shaft annular connecting portion；Sealing is set in outside drive shaft annular connecting portion
On perisporium and block each one-way clutch groove；Cover cap includes the fixed part (31) being set on star-wheel connection part periphery wall and uses
In back-up ring being crimped the ring sealing plate portion (32) being fixed on star-wheel connection part；Drive shaft annular connecting portion is pacified away from star-wheel at it
The periphery wall of the one end in dress portion is provided with annular groove (13), is provided with O-ring seal (14) in this annular groove, and this ring seals
Circle blocks the gap between back-up ring and drive shaft annular connecting portion；O-ring seal is provided with the interlocking being embedded in annular groove
Portion (141), and the cross sectional shape exposing annular groove is semicircular closure part (142)；Back-up ring includes connecting pressure contact portion
(41) and the arc shaped transition part (43) of sealing (42), this transition part is crimped on drive shaft ring the closure part of O-ring seal
On the outer wall of shape connecting portion；Roller is the compound roller being arranged in a combination by two monomer roller (911) concentric adjacent contact, flat
The double-spring type flat spring of two elastic flat spring portions (921) is made up and is had to spring of same tinsel, and each elastic flat spring portion is respectively
It is connected between one-way clutch groove cell wall and a corresponding monomer roller；The center bore of drive shaft is fixed with two isometrical
Copper sheathing (93)；Jump ring is fastened on one end away from star-wheel of drive shaft, and jump ring cover cover is penetrated on jump ring；Drive gear slidably
Sheathed on the driving shaft, and be positioned at the side close to star-wheel of jump ring；Compression spring sleeve sets on the driving shaft, and is positioned at driving gear
The side away from jump ring；Spline (52) in the external tooth (51) of driving gear and endoporus uses extruded mode one-shot forming
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147089.XA CN103216373B (en) | 2013-04-24 | 2013-04-24 | Isolator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310147089.XA CN103216373B (en) | 2013-04-24 | 2013-04-24 | Isolator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216373A CN103216373A (en) | 2013-07-24 |
| CN103216373B true CN103216373B (en) | 2016-12-28 |
Family
ID=48814455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310147089.XA Expired - Fee Related CN103216373B (en) | 2013-04-24 | 2013-04-24 | Isolator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216373B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308531B (en) * | 2014-10-14 | 2016-09-14 | 浙江工业大学 | The isolator star-wheel automatized assembly method of view-based access control model detection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1637276A (en) * | 2003-12-25 | 2005-07-13 | 株式会社电装 | Starter for an engine |
| CN1641210A (en) * | 2004-01-16 | 2005-07-20 | 株式会社电装 | Starter |
| JP2006177168A (en) * | 2004-12-20 | 2006-07-06 | Denso Corp | Starter |
| CN200955556Y (en) * | 2006-08-19 | 2007-10-03 | 严绍康 | Speed-reducing single-way clutch |
| CN101328854A (en) * | 2007-06-21 | 2008-12-24 | 株式会社电装 | Starter for engines |
| CN202055968U (en) * | 2011-03-29 | 2011-11-30 | 北京佩特来电器有限公司 | Stop-start electric flexible engaged starter |
| CN203189179U (en) * | 2013-04-24 | 2013-09-11 | 浙江远邦台技汽车电器有限公司 | Automotive isolator assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506096A (en) * | 2011-10-28 | 2012-06-20 | 宁波惠山汽配制造有限公司 | One-way device assembly |
-
2013
- 2013-04-24 CN CN201310147089.XA patent/CN103216373B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1637276A (en) * | 2003-12-25 | 2005-07-13 | 株式会社电装 | Starter for an engine |
| CN1641210A (en) * | 2004-01-16 | 2005-07-20 | 株式会社电装 | Starter |
| JP2006177168A (en) * | 2004-12-20 | 2006-07-06 | Denso Corp | Starter |
| CN200955556Y (en) * | 2006-08-19 | 2007-10-03 | 严绍康 | Speed-reducing single-way clutch |
| CN101328854A (en) * | 2007-06-21 | 2008-12-24 | 株式会社电装 | Starter for engines |
| CN202055968U (en) * | 2011-03-29 | 2011-11-30 | 北京佩特来电器有限公司 | Stop-start electric flexible engaged starter |
| CN203189179U (en) * | 2013-04-24 | 2013-09-11 | 浙江远邦台技汽车电器有限公司 | Automotive isolator assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103216373A (en) | 2013-07-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20170424 |