CN106763324A - Silent ratchet wheel and its manufacture method - Google Patents
Silent ratchet wheel and its manufacture method Download PDFInfo
- Publication number
- CN106763324A CN106763324A CN201510809947.1A CN201510809947A CN106763324A CN 106763324 A CN106763324 A CN 106763324A CN 201510809947 A CN201510809947 A CN 201510809947A CN 106763324 A CN106763324 A CN 106763324A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- outer shroud
- thin plate
- wedging
- ratchet wheel
- 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.)
- Pending
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- Braking Arrangements (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
A kind of silent ratchet wheel, it includes：At least one wedging element, outer shroud and coaxially arranged with outer shroud inner ring in the outer shroud, the outer shroud and the inner ring form the raceway and wedging profile of the wedging element together, wherein, the outer shroud and the inner ring are all formed by multiple thin plates, and the thin plate is stacked with and is fixed together.
Description
Technical field
The present invention relates to a kind of silent ratchet wheel, it has：At least one wedging element, outer shroud, and in outer shroud
It is interior with the coaxially arranged inner ring of outer shroud, wherein, outer shroud and inner ring form raceway and the wedging of wedging element together
Profile.
Background technology
The typical example of of this silent ratchet wheel is freewheel, wherein, when moment of torsion is made in one direction
Used time, wedging roller is stuck on wedging profile, thus with transmitting torque, and can work as moment of torsion in the opposite direction
During effect, wedging roller is along rolling path rolling, thus not transmitting torque.Additionally, silent ratchet is used in institute
In the freewheel brake of meaning, wherein, when power is introduced by unclamping element, can be by wedging element two
Transmitting torque on individual direction, and when power is introduced by locking element, not transmitting torque.
Generally, inner ring and outer rings are all formed as the metallic object of monoblock, by entering to metallic object inner and outer circumferential surfaces respectively
Row machines (such as milling) to form wedging profile.Generally, cure process then is carried out to raceway.
The content of the invention
It is an object of the invention to provide it is a kind of can be with cost-effective silent ratchet wheel and its manufacture method.
In order to realize the purpose, according to the present invention, each outer shroud and inner ring are formed by multiple thin plates,
These thin plates are stacked with and are fixed together.
The manufacture of this silent ratchet wheel metal parts need not be carried out costliness machining, but inner ring and
Outer shroud can be formed simply by stacking the thin plate of multiple flat steel sheets forms each other.Can be with
The thin plate with required wedging profile is for example obtained by punching press at low cost, when Sticking of Thin Steel Sheets During Pack Rolling is required
Position or when being locked in desired position by shape sealed, the edge of each thin plate forms wedging wheel together
It is wide.The thin of inner ring and outer rings can be manufactured in the case of only a small amount of waste of material in the following way
Plate：When the annular sheet of outer shroud is manufactured, the center of the annular sheet is fallen by punching press and steel plate is obtained, will
The steel plate is used as the blank of the thin plate of corresponding inner ring.
Manufacturing method according to the invention has further advantage：Only need to simply change the thin plate of stacking
Number, can just be efficiently manufactured as the different silent ratchet of different load designs.
Useful details of the invention is given in the dependent claims.
Thin plate can be made to be locked by shape sealed by following structure：For example, being inserted through the pin of thin plate
Nail；Or extruded on the surface of thin plate and be bonded on the boss in the corresponding recess on adjacent thin plate.
Freewheel brake needs extra release element, and unclamping element has pawl, and pawl stretches into inner ring and outer rings
Between raceway in and be used to force wedging element into non-wedging position.Thus, the invention provides favourable
Feasibility, i.e.,：Release element is formed by one or more disks being placed between thin plate.This simplifies release
The manufacture of element, and favourable power distribution is realized simultaneously.
When inner ring by be bonded be connected on axle when, the invention allows on the inner peripheral surface of inner ring at low cost
Manufacture bond structure, because these bond structures can be formed during drawing quality steel sheet.
The invention provides a particularly compact design of this governor motion.Advantageously, two
The inner ring and outer rings of freewheel brake are all made up of thin plate.Then, first freewheel brake inner ring
Thin plate is not only connected with each other, but also is connected with the release element of second freewheel brake, so as to be formed
Component.Advantageously, output element is driven to be connected simultaneously with the inner ring of second freewheel brake by by key
The axle rotated jointly with the inner ring is formed.Second the release element and first freewheel of freewheel brake
The thin plate of the inner ring of brake can also coordinate with the keyway on axle, but with certain gap, so that second
The release element of individual freewheel brake can carry out limited rotation relative to axle.This rotation is in regulation
It is necessary that the wedging element of second freewheel brake is maintained at into non-wedging position in operation.Once should
Gap is exhausted, then axle (driving output element) is just by second release element of freewheel brake
Directly driven with first freewheel brake inner ring.This makes it possible to stably to transmit high torque and reliably
Support shaft.
Specific embodiment
The present invention, each outer shroud and inner ring are formed by multiple thin plates, and these thin plates are stacked with and quilt
It is fixed together.
The manufacture of this silent ratchet wheel metal parts need not be carried out costliness machining, but inner ring and
Outer shroud can be formed simply by stacking the thin plate of multiple flat steel sheets forms each other.Can be with
The thin plate with required wedging profile is for example obtained by punching press at low cost, when Sticking of Thin Steel Sheets During Pack Rolling is required
Position or when being locked in desired position by shape sealed, the edge of each thin plate forms wedging wheel together
It is wide.The thin of inner ring and outer rings can be manufactured in the case of only a small amount of waste of material in the following way
Plate：When the annular sheet of outer shroud is manufactured, the center of the annular sheet is fallen by punching press and steel plate is obtained, will
The steel plate is used as the blank of the thin plate of corresponding inner ring.
Manufacturing method according to the invention has further advantage：Only need to simply change the thin plate of stacking
Number, can just be efficiently manufactured as the different silent ratchet of different load designs.
Useful details of the invention is given in the dependent claims.
Thin plate can be made to be locked by shape sealed by following structure：For example, being inserted through the pin of thin plate
Nail；Or extruded on the surface of thin plate and be bonded on the boss in the corresponding recess on adjacent thin plate.
Freewheel brake needs extra release element, and unclamping element has pawl, and pawl stretches into inner ring and outer rings
Between raceway in and be used to force wedging element into non-wedging position.Thus, the invention provides favourable
Feasibility, i.e.,：Release element is formed by one or more disks being placed between thin plate.This simplifies release
The manufacture of element, and favourable power distribution is realized simultaneously.
When inner ring by be bonded be connected on axle when, the invention allows on the inner peripheral surface of inner ring at low cost
Manufacture bond structure, because these bond structures can be formed during drawing quality steel sheet.
The invention provides a particularly compact design of this governor motion.Advantageously, two
The inner ring and outer rings of freewheel brake are all made up of thin plate.Then, first freewheel brake inner ring
Thin plate is not only connected with each other, but also is connected with the release element of second freewheel brake, so as to be formed
Component.Advantageously, output element is driven to be connected simultaneously with the inner ring of second freewheel brake by by key
The axle rotated jointly with the inner ring is formed.Second the release element and first freewheel of freewheel brake
The thin plate of the inner ring of brake can also coordinate with the keyway on axle, but with certain gap, so that second
The release element of individual freewheel brake can carry out limited rotation relative to axle.This rotation is in regulation
It is necessary that the wedging element of second freewheel brake is maintained at into non-wedging position in operation.Once should
Gap is exhausted, then axle (driving output element) is just by second release element of freewheel brake
Directly driven with first freewheel brake inner ring.This makes it possible to stably to transmit high torque and reliably
Support shaft.
Claims (3)
1. a kind of silent ratchet wheel, including：At least one wedging element, outer shroud, and inner ring, it is in the outer shroud
It is interior coaxially arranged with the outer shroud, wherein, the outer shroud and the inner ring form the wedging element together
Raceway and wedging profile, it is characterised in that the outer shroud and the inner ring are all formed by multiple thin plates,
The thin plate is stacked with and is fixed together.
2. silent ratchet wheel as claimed in claim 1, wherein, the outer shroud and the respective thin plate of the inner ring are mutual
Concordantly and with identical thickness.
3. silent ratchet wheel as claimed in claim 1 or 2, wherein, the thin plate is locked each other by shape sealed
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809947.1A CN106763324A (en) | 2015-11-19 | 2015-11-19 | Silent ratchet wheel and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809947.1A CN106763324A (en) | 2015-11-19 | 2015-11-19 | Silent ratchet wheel and its manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763324A true CN106763324A (en) | 2017-05-31 |
Family
ID=58885953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510809947.1A Pending CN106763324A (en) | 2015-11-19 | 2015-11-19 | Silent ratchet wheel and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763324A (en) |
-
2015
- 2015-11-19 CN CN201510809947.1A patent/CN106763324A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
|
| WD01 | Invention patent application deemed withdrawn after publication |