CN1556341A - Chain wheel of chain transmission set - Google Patents
Chain wheel of chain transmission set Download PDFInfo
- Publication number
- CN1556341A CN1556341A CNA200310122997XA CN200310122997A CN1556341A CN 1556341 A CN1556341 A CN 1556341A CN A200310122997X A CNA200310122997X A CN A200310122997XA CN 200310122997 A CN200310122997 A CN 200310122997A CN 1556341 A CN1556341 A CN 1556341A
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- Prior art keywords
- chain
- sprocket
- sprocket wheel
- gear teeth
- conjunction
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Abstract
The integral chain wheel includes body, link teeth, gear teeth and oil hole. Link teeth are on outer edge of external cylinder. Uniformly distributed gear teeth in involute profile under large negative addendum modification on external cylinder near to center. Oil hole is located in a groove. Linking gear ring in use for connecting to and separating from other parts to be engaged so as to realize power dividing. Pitch circle of designed involute profile of chain wheel keeps tangency with pitch line of plate of chain so as to avoid vibration. The invented chain wheel raises transmission efficiency, provides high carrying capacity and low noise.
Description
Technical field
What the present invention relates to is a kind of sprocket wheel, particularly a kind of sprocket wheel of chain-driven pair.Belong to the mechanical parts technical field.
Background technique
Existing traditional its transmission efficiency of roller chain transmission is generally about 93%-96%, rotating speed can only be about 3000r/min, the wide routine of sprocket wheel active side that is matched with this kind chain-driven pair all adopts straight flange groove or arc groove side exterior feature, it can not be eliminated the incision of roller chain and cut out the transverse vibration of chain nodel line in the whole process, cause this kind chain-driven pair ubiquity noise in whole process big, a series of defectives such as efficient is low, and bearing capacity is low; Simultaneously,, be fixed on the transmission shaft, generally can not be applied in the vehicle transmission box structure of power streaming request because conventional chain sprocket structure is not a tape spool.
Find by literature search, China Patent No. is: 93102583.4, name is called: self diameter-changing chain wheel for stepless automatic variable-speed device, this patent readme is: a kind of self diameter-changing chain wheel for stepless automatic variable-speed device, for a kind of self diameter-changing chain wheel for stepless automatic variable-speed device that can realize stepless automatic transmission with load variations is provided, proposition is by left straight groove disk, right straight flute plate, left cranked slot disk, right curved groove disk, three above pressure-formed clutch sprockets, two self diameter-changing chain wheel for stepless automatic variable-speed device that above back shaft, sprocket shaft and left and right extension spring are formed.Respectively has the radially straight trough more than five on the left and right straight flute plate; Respectively have five above clockwise direction involute shape curvilinear grooves on the left and right curved groove disk; Three above pressure-formed clutch sprockets are made up of chain gear shaft, pressing formed type free wheel device and chain gear ring.This patent has proposed sprocket transmission device, but belongs to traditional roller chain drive technology, can not address the aforementioned drawbacks at all.Also find in the retrieval, Chinese patent application number: 02217655.1, name is called: a kind of chain, this chain comprises bearing pin and chain sheet, the chain sheet is provided with pin-and-hole, described chain sheet interlocks stacked by the serial connection of bearing pin, bearing pin in the described same pin-and-hole rolls by two band cambered surfaces that pin is tangent to be constituted, interlaced chain sheet rolls pin with two of rolling in the pin respectively and turns to fixing, be in axial sliding connection, this outer surface that rolls pin is made of cambered surface and locating face, the hole shape of described chain sheet matches with the shape of locating face, and the two sides, the chain outside of the stacked formation of described chain sheet is provided with cover plate.But not having to find forms the chain-driven pair to solve the sprocket wheel of traditional roller chain transmission transmission quality defective with this chain coupling.
Summary of the invention
The present invention is directed to the defective of the transmission quality that traditional roller chain transmission comes out, a kind of sprocket wheel of chain-driven pair is provided, make itself and above-mentioned chain coupling form the chain-driven pair, can overcome chain and cut and cut out the phenomenon of chain nodel line transverse vibration in the whole process of sprocket wheel, greatly eliminated rotational noise, transmission efficiency can be thus lifted to about 99%, and can satisfy the transmission requirement of high speed, heavy duty.The present invention compares with traditional sprocket wheel, on the external cylindrical surface of sprocket body, add put be used to connect with separate in conjunction with gear ring, make it realize power dividing by being connected with a joggle in conjunction with tooth and other part; And the gear teeth adopt the involute profile of the design parameter of big negative addendum modification, make the pitch circle of sprocket wheel and the nodel line of chain and chain-plate keep tangent all the time, can eliminate the chain incision effectively and cut out the phenomenon of chain nodel line transverse vibration in the whole process of sprocket wheel; Improved the transmission efficiency of sprocket wheel, high speed, high efficiency, high-bearing capacity, low noise sprocket transmission device are provided.
The present invention is achieved by the following technical solutions, the present invention includes: sprocket body, in conjunction with tooth, the gear teeth, oilhole, its Placement is: in conjunction with the external cylindrical surface outer ledge of tooth in sprocket body, the gear teeth have adopted big negative addendum modification involute profile, be evenly distributed, be positioned at the inclined to one side neutral position of the external cylindrical surface of sprocket body, oilhole is located on the groove between the gear teeth, the sprocket body.Whole sprocket wheel is made of one.
The present invention has adopted involute profile to the active side exterior feature of sprocket wheel, and it had both satisfied with two chain and chain-plates that roll the pin hinge joint and contact and the requirement of hands-off limit flank profil, satisfied again with the carrier bar transmission in briefly ask altogether; Simultaneously, further the involute profile of sprocket wheel is adopted the design parameter of big negative addendum modification, made the pitch circle of sprocket wheel and the nodel line of chain and chain-plate keep tangent all the time, can eliminate the phenomenon that chain nodel line transverse vibration in the whole process of sprocket wheel was cut and cut out to chain effectively; Secondly, to drive sprocket as driving usefulness, on its external cylindrical surface, add put be used to connect with separate in conjunction with gear ring, respective design becomes the structure of band circular hole simultaneously, after being installed with needle bearing, can be enclosed within on the transmission shaft by sky, so, use shifter collar connect or be located away from the drive sprocket in conjunction with tooth, can realize power dividing when needed.
The present invention has adopted big negative addendum modification involute profile, and the two slide relative of rolling between pin of its energy constraint chain rule have improved the wear resistance and the operating life of hinge joint place and even whole piece chain, and save the necessary tensioning idle pulley of general chain-driven; Because it can make the pitch circle of sprocket wheel and the nodel line of chain and chain-plate keep tangent all the time, simultaneously roll the traitorous of the relative pure rolling of pin apart from characteristic by chain two, eliminated polygon effect, promptly eliminate the lifting phenomenon of chain in the engaging-in sprocket wheel process of chain, greatly reduced the noise of chain transmission pair in movement process; In view of the variation of the horizontal variation of nodel line in the chain transmission process is the function of chain structure and sprocket wheel parameter, the present invention's energy and two chain rational Match of rolling the pin hinge joint, the nodel line of eliminating effectively in the chain-driven process laterally changes, and whole transmission process is tended to be steady, efficiently; Simultaneously, by the improvement on the chain sprocket structure, by in conjunction with tooth connect, divide switching, can make the secondary requirement that realizes power dividing of chain-driven, it is applied to both improve efficient in the vehicle transmission case, has reduced transmission and part again.
Description of drawings
Fig. 1 structural representation of the present invention
Embodiment
As Fig. 1, the present invention includes: sprocket body 1, in conjunction with tooth 2, the gear teeth 3, oilhole 4.Its Placement is: in conjunction with the external cylindrical surface outer ledge of tooth 2 in sprocket body 1, the gear teeth 3 have adopted big negative addendum modification involute profile, be positioned at the inclined to one side neutral position of the external cylindrical surface of sprocket body 1, oilhole 4 is located on the groove between the gear teeth 3, the sprocket body 1, be evenly distributed, whole sprocket wheel is made of one.
During use, sprocket body 1 sky is enclosed within on the transmission shaft with chain forms complete transmission, when sprocket body 1 is rotated, by the gear teeth 2 and chain engages transmission of movement is gone out, thereby finishes the transmission of motion.
Because the gear teeth have adopted big negative addendum modification involute profile, can retrain the two slide relative of rolling between pin of chain, improve the wear resistance and the operating life of hinge joint place and even whole piece chain, and save the necessary tensioning idle pulley of general chain-driven; And that the pitch circle on the gear teeth keeps when making sprocket wheel and chain engages is tangent all the time, and this position, point of contact is with meshing earthquake always, thereby can eliminate the phenomenon that chain transverse vibration in the whole process of sprocket wheel was cut and cut out to chain effectively, eliminate swinging up and down of chain, reduce noise.
In the required power shunting, can the power dividing on the sprocket wheel be gone out by being connected with a joggle in conjunction with tooth 2 and other part; Realize the requirement of power dividing so very easily, reduced transmission and part again.
Lubricant oil can be lubricated by oilhole 4.
Claims (4)
1, a kind of sprocket wheel of chain-driven pair, comprise: sprocket body (1), in conjunction with tooth (2), oilhole (4) is characterized in that, also comprise: in conjunction with tooth (2), be arranged on the sprocket body (1) in conjunction with tooth (2), the gear teeth (3) have adopted big negative addendum modification involute profile, are positioned at the inclined to one side neutral position of the external cylindrical surface of sprocket body (1), oilhole (4) is located on the groove between the gear teeth (3), the sprocket body (1), and whole sprocket wheel is made of one.
2, the sprocket wheel of chain-driven pair according to claim 1 is characterized in that, in conjunction with the external cylindrical surface outer ledge of tooth (2) in sprocket body (1).
3, the sprocket wheel of chain-driven pair according to claim 1 is characterized in that, oilhole (4) is evenly distributed.
4, the sprocket wheel of chain-driven pair according to claim 1 is characterized in that, during use, sprocket body (1) sky is enclosed within on the transmission shaft forms complete transmission with chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200310122997XA CN1556341A (en) | 2003-12-30 | 2003-12-30 | Chain wheel of chain transmission set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200310122997XA CN1556341A (en) | 2003-12-30 | 2003-12-30 | Chain wheel of chain transmission set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1556341A true CN1556341A (en) | 2004-12-22 |
Family
ID=34338861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200310122997XA Pending CN1556341A (en) | 2003-12-30 | 2003-12-30 | Chain wheel of chain transmission set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1556341A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354075B (en) * | 2008-08-29 | 2010-06-02 | 象山爵溪明嘉机械厂 | Double-row chain pulley |
| CN102689852A (en) * | 2012-06-20 | 2012-09-26 | 石家庄伊特机械设备制造有限公司 | Pin tooth hoisting chain |
-
2003
- 2003-12-30 CN CNA200310122997XA patent/CN1556341A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354075B (en) * | 2008-08-29 | 2010-06-02 | 象山爵溪明嘉机械厂 | Double-row chain pulley |
| CN102689852A (en) * | 2012-06-20 | 2012-09-26 | 石家庄伊特机械设备制造有限公司 | Pin tooth hoisting chain |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |