CN209587092U - Step sprocket wheel and matched loop chain - Google Patents
Step sprocket wheel and matched loop chain Download PDFInfo
- Publication number
- CN209587092U CN209587092U CN201920155526.5U CN201920155526U CN209587092U CN 209587092 U CN209587092 U CN 209587092U CN 201920155526 U CN201920155526 U CN 201920155526U CN 209587092 U CN209587092 U CN 209587092U
- Authority
- CN
- China
- Prior art keywords
- chain
- loop chain
- sprocket wheel
- gear teeth
- loop
- 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.)
- Expired - Fee Related
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Abstract
A kind of step sprocket wheel and matched loop chain, are made of sprocket body and the gear teeth, and a step is arranged in the lower section of reference circle in the gear teeth.It is equal to be equal to the interior ring width of loop chain with the width A of the gear teeth in step engagement place.Fillet is arranged in the step and gear teeth joint, and radius of corner is equal with the radius of loop chain bar.The step surface width B of the step is not less than the outer ring width of loop chain.In the wherein one side of main body, the step is provided with loop chain weld groove, and the loop chain weld groove can be such that the weld of loop chain does not contact with the step, extend the service life of the step and loop chain.
Description
Technical field
The present invention relates to a kind of sprocket wheels and matched loop chain.
Background technique
It currently, sprocket wheel is widely adopted in the industry, but is all smooth transition between the gear teeth and main body of sprocket wheel, it is this
Sprocket wheel when with chain interoperation, especially loop chain when, chain can not be oriented to well, the chain link of chain and sprocket wheel
It can be distorted, tilt between the gear teeth, so that subsequent chain link is difficult to correctly enter sprocket wheel, the possibility of de- chain occurs.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of step sprocket wheel with guide function.
The technical scheme adopted by the invention is that: a kind of step sprocket wheel is made of, feature exists sprocket body and the gear teeth
In: a step is arranged in the lower section of reference circle in the gear teeth.
Preferably, equal equal to the interior ring width of loop chain with the width A of the gear teeth in step engagement place.
Preferably, fillet is arranged in the step and gear teeth joint, and radius of corner is equal with the radius of loop chain bar.
Preferably, the step surface width B of the step is not less than the outer ring width of loop chain.
Preferably, in the wherein one side of main body, the step is provided with loop chain weld groove, and the loop chain weld groove can make
The weld of loop chain is not contacted with the step, extends the service life of the step and loop chain.
Preferably, the step is connect with the main body by rib, there is axis hole, keyway in the main body.
The loop chain being used cooperatively with the step sprocket wheel, it is characterised in that: be made of driving chain link and work chain link, institute
It states driving chain link and the work chain link is closely linked, chain drum is installed on the work chain link, the chain drum has left disk
Piece and right disc two parts are composed, the chain drum after combination can with the work chain link is gapless is combined together.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is cross-sectional view of the invention.
Fig. 3 is the partial enlarged view of step and the non-fillet in gear teeth joint of the invention.
Fig. 4 is the partial enlarged view of step and gear teeth joint fillet of the invention.
Fig. 5 is the loop chain disk main view being used cooperatively with the present invention.
Fig. 6 is view of facing left with the loop chain that is used cooperatively of invention.
Fig. 7 is the top view for the loop chain disk being used cooperatively with the present invention.
In figure: the 1- gear teeth, 2- step, 3- loop chain weld groove, 4- rib, 5- axis hole, 6- keyway, 7- main body, 8- driving chain link,
The left disc of 9- chain drum, 91-, the right disc of 92-, 10- work chain link.
Specific embodiment
Further illustrate a specific embodiment of the invention with reference to the accompanying drawing.
As shown in Figs 1-4, a kind of step sprocket wheel, is made of sprocket body and the gear teeth, and the gear teeth 1 are set below reference circle
Set a step 2.When the cooperation of ring chain and sprocket, if the gear teeth are the faces of smooth transition, without this step surface, then chain anchor ring with
It may be not parallel between the axis of sprocket wheel.And when having this step surface, the chain anchor ring of loop chain can be bonded with step surface, guarantee chain link
The axis of face and sprocket wheel is parallel to each other, and can position to chain link, enables next chain link more acurrate and sprocket wheel
De- chain phenomenon will not occur for gear teeth cooperation.
To guarantee that the size of chain link will not change, the width A that the gear teeth 1 in place are engaged with step 2 is equal to loop chain
Interior ring width is equal, in this way can be to avoid because deformation occurs due to heavy duty under the action of is elongated for loop chain.
In order to preferably cooperate loop chain and sprocket, fillet, radius of corner and loop chain bar is arranged in step and gear teeth joint
Radius it is equal.
The step surface width B of step is not less than the outer ring width of loop chain.
Due to after loop chain round steel brake forming weld cyclization, solder joint is had on loop chain, in order to avoid solder joint with
Step contact, influences the service life of work ride comfort and components, and in the wherein one side of main body, step is provided with loop chain weldering
Slot, loop chain weld groove can be such that the weld of loop chain does not contact with step, extend the service life of step and loop chain.
Step is connect with main body by rib, there is axis hole, keyway in main body.
As illustrated in figs. 5-7, the loop chain being used cooperatively with the step sprocket wheel is made of driving chain link and work chain link,
It drives chain link and work chain link closely linked, chain drum is installed on work chain link, chain drum has left disc and right disc two
Subassembly forms, and the chain drum after combination can chain link be gapless is combined together with work.
Claims (7)
1. a kind of step sprocket wheel, is made of sprocket body and the gear teeth, it is characterised in that: the gear teeth are set below reference circle
A step is set, the step and the gear teeth are an entirety.
2. a kind of step sprocket wheel according to claim 1, it is characterised in that: engage the gear teeth in place with the step
The interior ring width that width A is equal to loop chain is equal.
3. a kind of step sprocket wheel according to claim 1, it is characterised in that: the step and the setting of gear teeth joint are justified
Angle, radius of corner are equal with the radius of loop chain bar.
4. a kind of step sprocket wheel according to claim 1, it is characterised in that: the step surface width B of the step is not small
In the outer ring width of loop chain.
5. a kind of step sprocket wheel according to claim 1, it is characterised in that: in the wherein one side of main body, described
Rank is provided with loop chain weld groove, and the loop chain weld groove can be such that the weld of loop chain does not contact with the step, extends described
The service life of rank and loop chain.
6. a kind of step sprocket wheel according to claim 1, it is characterised in that: the step and the main body pass through rib
It connects, has axis hole, keyway in the main body.
7. the loop chain being used cooperatively with step sprocket wheel of any of claims 1-6, it is characterised in that: by drive chain
Ring and work chain link composition, the driving chain link and the work chain link are closely linked, are equipped on the work chain link
Chain drum, the chain drum have left disc and right disc two parts to be composed, and the chain drum after combination can be with the work chain link continuously
Gap is combined together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920155526.5U CN209587092U (en) | 2019-01-29 | 2019-01-29 | Step sprocket wheel and matched loop chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920155526.5U CN209587092U (en) | 2019-01-29 | 2019-01-29 | Step sprocket wheel and matched loop chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587092U true CN209587092U (en) | 2019-11-05 |
Family
ID=68381339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920155526.5U Expired - Fee Related CN209587092U (en) | 2019-01-29 | 2019-01-29 | Step sprocket wheel and matched loop chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587092U (en) |
-
2019
- 2019-01-29 CN CN201920155526.5U patent/CN209587092U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191105 Termination date: 20210129 |