CN104279247B - A kind of overrun clutch structure for motorcycle - Google Patents
A kind of overrun clutch structure for motorcycle Download PDFInfo
- Publication number
- CN104279247B CN104279247B CN201410570338.0A CN201410570338A CN104279247B CN 104279247 B CN104279247 B CN 104279247B CN 201410570338 A CN201410570338 A CN 201410570338A CN 104279247 B CN104279247 B CN 104279247B
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- China
- Prior art keywords
- roller
- section
- guard shield
- motorcycle
- reed
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- 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.)
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Abstract
The invention discloses a kind of overrun clutch structure for motorcycle, roller (2) is hollow cylinder, it is formed with annular groove (2a) by rolling, during integral part of fin (5a) embeds this annular groove (2a) in wedge shape locating slot at the middle part of roller (2)；It is provided with elastic drive part between two the most adjacent rollers (2), elastic drive part has two pieces of reeds (1) being distributed in "eight" shape, and reed (1) is made up of waveform section (1a), roundabout section (1b) and straight section (1c)；Guard shield (4) is made up of end (4a), ring portion (4b) and kink (4c).The present invention can not only ensure the synchronicity that each roller moves, and can improve the reliability of freewheel clutch performance, and the service life making freewheel clutch is longer.Meanwhile, guard shield is tight with body engagement, and fixing is good.
Description
Technical field
The present invention relates to a kind of isolator, specifically, particularly to a kind of overrun clutch structure for motorcycle.
Background technology
The basic part that freewheel clutch is as the development of electromechanical integrated product and occurs, it is the vitals for power transmission between prime mover and working machine or between the internal driving shaft of machine and driven shaft with separation function.The major function of freewheel clutch is: surmount or transmit torque, be accurately positioned, prevent reverse.
Existing overdrive clutch of motorcycle is typically made up of body, guard shield, baffle plate, roller and stage clip.Roller is arranged in the wedge shape locating slot offered in inner body wall, is additionally provided with stage clip in wedge shape locating slot, and a corresponding roller of stage clip, stage clip drives roller to move in wedge shape locating slot.The deficiency of existing structure is:
1) needing additionally processing skewed slot to install due to stage clip, on the one hand stage clip installs the difficulty of processing of skewed slot greatly, can increase production cost；On the other hand, stage clip assembling difficulty, easily produce crooked, cause stage clip clamping stagnation, fracture, thus affect reliability and the service life of freewheel clutch.
2) guard shield is typically fixed with body by screw, not only dismounts inconvenience, and the compactness engaged between guard shield with body is poor, and guard shield easily loosens and produces abnormal sound.
3) although roller is by guard shield and baffle plate axial limiting, but between roller and guard shield and baffle plate, there are gap, can produce crooked when such roller moves in wedge shape locating slot unavoidably, the most also easily cause clamping stagnation, thus affect the serviceability of freewheel clutch；Roller is usually solid cylinder, and not only material cost is higher, and can increase the weight of freewheel clutch when roller number is more.
Summary of the invention
The technical problem to be solved is that providing a kind of assembles simple, effectively the to prevent clamping stagnation overrun clutch structure for motorcycle.
Technical scheme is as follows: a kind of overrun clutch structure for motorcycle, including body 5, guard shield 4, baffle plate 3 and roller 2, side mounting strap 4 at described body 5, opposite side installs baffle plate 3, the inwall of body 5 is provided with the most equally distributed wedge shape locating slot, each wedge shape locating slot is respectively arranged with roller 2, it is characterized in that: described roller 2 is hollow cylinder, it is formed with annular groove 2a by rolling, during integral part of fin 5a embeds this annular groove 2a in wedge shape locating slot at the middle part of roller 2；It is provided with elastic drive part between two the most adjacent rollers 2, this elastic drive part is circumferentially uniformly distributed, described elastic drive part has two pieces of reeds 1 being distributed in "eight" shape, described reed 1 is made up of waveform section 1a, roundabout section of 1b and straight section 1c, waveform section 1a is connected with straight section 1c by roundabout section of 1b, and waveform section 1a of each reed 1 is axially inserted on body 5 inwall in the corresponding adaptive groove offered；The straight section 1c roller 2 previous with on circumference of the one of reed of elastic drive part 1 abuts, and the straight section 1c of another block reed 1 abuts with later roller 2 on circumference；All sides of described body 5 are ledge structure, by middle cone section transition between big section and the segment of 5 weeks sides of body；Described guard shield 4 is made up of end 4a, ring portion 4b and kink 4c, the end 4a of guard shield 4 is close to the end face of body 5, ring portion 4b of guard shield 4 is by the big section cladding of 5 weeks sides of body, the kink 4c of guard shield 4 is formed to in-flanges by the free end of ring portion 4b, and this kink 4c is coated in the cone section in the middle of 5 weeks sides of body.
Using above technical scheme, roller is hollow cylinder, while not affecting performance, has both reduced material cost, alleviates again the weight of entirety.Fin extends along the length direction of wedge shape locating slot, and fin and groove fit act the effect guided, make roller will not occur when moving in wedge shape locating slot crooked, thus effectively eliminate the disadvantage of clamping stagnation.
The present invention uses the elastic drive part replacement stage clip of one group of reed composition to drive roller to move, and reed is made up of waveform section, roundabout section and straight section, and moulding is simple, it is easy to processing and fabricating；The waveform section of reed is axially inserted in the adaptive groove of body, easy for installation, quick, and reed is radially positioned by waveform section, axially spacing by baffle plate and guard shield, and reed location is reliable, will not occur to loosen or come off.All the time abut with former and later two rollers on circumference with the straight section of two pieces of reeds in group, roller is promoted to move in wedge shape locating slot by the tension force between two reeds, so on circumference, the synchronicity of each roller motion is good, and freewheel clutch dependable performance, service life is secure.By roundabout section of transition between straight section and the waveform section of reed, under the effect of roundabout section, straight section has enough elastic force, makes roller motion faster.
The end of guard shield is close to the end face of body, the big section of the ring portion of guard shield and body week side is close to, and the cone section in the middle of the kink of guard shield and body week side is close to, and guard shield is fixed with body by rolling, it is not only easy to assembling, packaging efficiency is high, and guard shield is tight with body engagement, connects the most firmly but also reliable, the end of guard shield coordinates with kink, also play the left and right of axially location, can effectively prevent guard shield from occurring to loosen, eliminate because guard shield loosens the disadvantage of generation abnormal sound.
Selection for convenience, it is simple to processing and fabricating, reduces production cost, and guarantees there is enough elastic force, and described reed 1 is made up of spring steel.
As preferably, the number of described roller 2 is 6-16.Owing to reed assembling is simple, arranges easily, such body can arrange the roller of greater number, to be effectively improved bearing capacity.
Described guard shield 4 is steel stamping parts, has the angle of 130-140 degree between ring portion 4b and the kink 4c of guard shield 4.So on the one hand, processing and fabricating is easy, is conducive to batch production；On the other hand, shield structure intensity is good, will not deform or damage.
Described baffle plate 3 is steel circular arc flat board, and is fixed with body 5 by equally distributed screw on circumference.Above structural baffles selection is convenient, it is easy to produces and assembles, and baffle plate is big with body contacts area, is connected firmly, reliably.
Processing and fabricating for convenience, reduces production cost, and prevents abrasion, and described roller 2 is rolled sealing by the steel disc that 0.8-2mm is thick and forms.
In order to ensure structural strength, preventing to damage, described fin 5a tapers into toward most advanced and sophisticated direction from root.
The invention has the beneficial effects as follows:
1) elastic drive part is formed to drive roller by the reed of two pieces of axial plug-in mountings, compact conformation, process and assemble easily, production cost is low, reed is the most well-located, the synchronicity that each roller moves can not only be ensured, and the reliability of freewheel clutch performance can be improved, the service life making freewheel clutch is longer, have design ingenious, be prone to the features such as transformation.
2) guard shield uses folded-edge mounting structure, the most easy for installation, quick, and packaging efficiency is high；On the other hand, guard shield is tight with body engagement, and fixing is good, will not occur to loosen or come off.
3) use hollow rollers be equipped with guide frame, both reduced production cost and weight, effectively prevent again roller generation clamping stagnation, have that design is ingenious, simple in construction, a transformation feature such as easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the layout schematic diagram of guard shield and baffle plate.
Fig. 3 is the structural representation of reed.
Fig. 4 be body with roller coordinate schematic diagram.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
As shown in Figure 1, Figure 2, Figure 4 shows, the present invention is made up of parts such as elastic drive part, roller 2, baffle plate 3, guard shield 4 and bodies 5.Wherein, body 5 is circular ring structure, and all sides of body 5 are ledge structure, by middle cone section transition between big section and the segment of 5 weeks sides of body.Arranging guard shield 4 in the side of body 5, opposite side arranges baffle plate 3.Described guard shield 4 is steel stamping parts, is made up of end 4a, ring portion 4b and kink 4c, and the end 4a of guard shield 4 is close to the end face of body 5, and ring portion 4b of guard shield 4 is by the big section cladding of 5 weeks sides of body.The kink 4c of guard shield 4 is formed to in-flanges by the free end of ring portion 4b, has the angle of 130-140 degree between ring portion 4b and the kink 4c of guard shield 4, and kink 4c is coated in the cone section in the middle of 5 weeks sides of body.Baffle plate 3 is steel circular arc flat board, and is fixed with body 5 by equally distributed screw on circumference.
As Figure 1 and Figure 4, offering the most equally distributed wedge shape locating slot on the inwall of body 5, the number of wedge shape locating slot is 6-16, and the present embodiment is preferably 12.All being formed with fin 5a in each wedge shape locating slot, this fin 5a extends along the length direction of wedge shape locating slot, and fin 5a tapers into toward most advanced and sophisticated direction from root.The axis parallel of roller 2, the axial line of roller 2 and body 5 it is respectively arranged with in each wedge shape locating slot.Described roller 2 is hollow cylinder, the steel disc that 0.8-2mm is thick roll sealing and form.Being formed with annular groove 2a at the middle part of roller 2 by rolling, during in wedge shape locating slot, integral part of fin 5a embeds this annular groove 2a, fin 5a matches with annular groove 2a, makes roller 2 circumferentially to move.
As shown in Figure 1, Figure 3, being provided with elastic drive part between two the most adjacent rollers 2, elastic drive part is circumferentially uniformly distributed.Two pieces of reeds 1 that described elastic drive part is distributed by "eight" shape form, and reed 1 is formed by waveform section 1a, roundabout section of 1b and straight section 1c, and is made up of spring steel, and waveform section 1a of reed 1 is connected with straight section 1c by roundabout section of 1b.Waveform section 1a of each reed 1 is axially inserted on body 5 inwall in the corresponding adaptive groove offered, and reed 1 is radially positioned by waveform section 1a, axially spacing by baffle plate 3 and guard shield 4.Abutting with the straight section 1c roller 2 previous with on circumference of reed 1 one of in group, the straight section 1c of another block reed 1 abuts with later roller 2 on circumference.The operation principle of the present invention is same as the prior art, and therefore not to repeat here.
Claims (5)
1. for an overrun clutch structure for motorcycle, including body (5), guard shield (4), baffle plate (3)
With roller (2), in the side mounting strap (4) of described body (5), opposite side installs baffle plate (3), this
The inwall of body (5) is provided with the most equally distributed wedge shape locating slot, is respectively arranged with in each wedge shape locating slot
Roller (2), it is characterised in that: described roller (2) is hollow cylinder, logical at the middle part of roller (2)
Crossing rolling and be formed with annular groove (2a), in wedge shape locating slot, integral part of fin (5a) embeds this annular groove (2a)
In；
Being provided with elastic drive part between two the most adjacent rollers (2), this elastic drive part is by circle
Week is uniformly distributed, and described elastic drive part has two pieces of reeds (1) being distributed in "eight" shape, described spring
Sheet (1) is made up of waveform section (1a), roundabout section (1b) and straight section (1c), waveform section (1a)
Being connected with straight section (1c) by roundabout section (1b), the waveform section (1a) of each reed (1) is inserted vertically
Enter in the adaptive groove that on body (5) inwall, correspondence is offered；The one of reed of elastic drive part (1) straight
Section (1c) roller previous with on circumference (2) abuts, the straight section (1c) of another block reed (1) and circle
On week, later roller (2) abuts；
All sides of described body (5) are ledge structure, between big section and the segment of all sides of body (5)
By middle cone section transition；Described guard shield (4) is by end (4a), ring portion (4b) and kink (4c)
Forming, the end (4a) of guard shield (4) is close to the end face of body (5), the ring portion (4b) of guard shield (4)
By the big section cladding of body (5) week side, the kink (4c) of guard shield (4) hanging by ring portion (4b)
Dead end forms to in-flanges, and this kink (4c) is coated in the cone section in the middle of body (5) week side；
Described reed (1) is made up of spring steel；
Described roller (2) is rolled sealing by the steel disc that 0.8-2mm is thick and forms.
Overrun clutch structure for motorcycle the most according to claim 1, it is characterised in that: institute
The number stating roller (2) is 6-16.
Overrun clutch structure for motorcycle the most according to claim 1, it is characterised in that: institute
Stating guard shield (4) is steel stamping parts；Have between ring portion (4b) and the kink (4c) of guard shield (4)
The angle of 130-140 degree.
4. according to the overrun clutch structure for motorcycle described in claim 1 or 3, it is characterised in that:
Described baffle plate (3) is steel circular arc flat board, and by equally distributed screw on circumference and body (5)
Fix.
Overrun clutch structure for motorcycle the most according to claim 1, it is characterised in that: institute
State fin (5a) to taper into toward most advanced and sophisticated direction from root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570338.0A CN104279247B (en) | 2014-10-23 | 2014-10-23 | A kind of overrun clutch structure for motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570338.0A CN104279247B (en) | 2014-10-23 | 2014-10-23 | A kind of overrun clutch structure for motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104279247A CN104279247A (en) | 2015-01-14 |
| CN104279247B true CN104279247B (en) | 2016-11-30 |
Family
ID=52254454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410570338.0A Expired - Fee Related CN104279247B (en) | 2014-10-23 | 2014-10-23 | A kind of overrun clutch structure for motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104279247B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2136650A1 (en) * | 1971-07-22 | 1973-02-15 | Schaeffler Ohg Industriewerk | FREE WHEEL CLUTCH |
| DE3321358A1 (en) * | 1983-06-14 | 1984-12-20 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Grip roller freewheel |
| US5896973A (en) * | 1994-12-24 | 1999-04-27 | Ina Walzlager Schaeffler Ohg | Clamp-type locking mechanism, in particular for adjusting a seat position |
| CN204226485U (en) * | 2014-10-23 | 2015-03-25 | 重庆从仁机电有限公司 | For the overrun clutch structure of motorcycle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110048885A1 (en) * | 2009-09-02 | 2011-03-03 | Zen S.A. Industria Metalurgica | Cage with integrated springs applied to a torque transmission system and free wheel with rollers |
-
2014
- 2014-10-23 CN CN201410570338.0A patent/CN104279247B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2136650A1 (en) * | 1971-07-22 | 1973-02-15 | Schaeffler Ohg Industriewerk | FREE WHEEL CLUTCH |
| DE3321358A1 (en) * | 1983-06-14 | 1984-12-20 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Grip roller freewheel |
| US5896973A (en) * | 1994-12-24 | 1999-04-27 | Ina Walzlager Schaeffler Ohg | Clamp-type locking mechanism, in particular for adjusting a seat position |
| CN204226485U (en) * | 2014-10-23 | 2015-03-25 | 重庆从仁机电有限公司 | For the overrun clutch structure of motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104279247A (en) | 2015-01-14 |
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Legal Events
| 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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Yanhua Inventor after: Tang Guocui Inventor before: Li Congren |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171123 Address after: Dongxing City, the Guangxi Zhuang Autonomous Region Fangchenggang Lijing road 538100 No. 1 Patentee after: Dongxing Xin Yu Industrial Co., Ltd. Address before: 402761 Bishan County, the town of green bars Street connecting road, Chongqing Patentee before: CHONGQING CONGREN ELECTROMECHANICAL CO., LTD. |
|
| 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: 20161130 Termination date: 20191023 |