CN205423757U - Integral flexible filtering sprocket - Google Patents
Integral flexible filtering sprocket Download PDFInfo
- Publication number
- CN205423757U CN205423757U CN201520993553.1U CN201520993553U CN205423757U CN 205423757 U CN205423757 U CN 205423757U CN 201520993553 U CN201520993553 U CN 201520993553U CN 205423757 U CN205423757 U CN 205423757U
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- CN
- China
- Prior art keywords
- sprocket
- wheel hub
- sprocket body
- rectangle
- hole
- 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
The utility model discloses an integral flexible filtering sprocket, including sprocket body and wheel hub, the periphery wall middle part of sprocket body is equipped with the sprocket, just the center of sprocket body is equipped with the central through hole, be equipped with the rectangle internal spline in the central through hole, be equipped with on wheel hub's the periphery wall with rectangle internal spline's rectangle external splines, the rectangle internal spline with be equipped with the fit clearance between the rectangle external splines, pack in the fit clearance be equipped with be used for with the sprocket body with wheel hub connects flexible elastomer as an organic whole, the both sides of sprocket body still are equipped with respectively and are used for preventing wheel hub is along axial displacement's fixed apron. The utility model discloses an integral flexible filtering sprocket not only can alleviate bite phenomenon, the noise reduction of chain drive, and structural strength is higher moreover.
Description
Technical field
This utility model relates to a kind of sprocket wheel, concrete for a kind of monoblock type flexible filtering sprocket wheel.
Background technology
Chain conveyer is a kind of kind of drive of the driven sprocket that the motion and power with the drive sprocket of special tooth profile are delivered to have special tooth profile by chain.Chain conveyer has many advantages, and compared with V belt translation, nonelastic slip and skidding, average ratios is accurate, reliable operation, and efficiency is high；Transmission power is big, and overload capacity is strong, and the transmission size under identical operating mode is little；Required tensile force is little, acts on the pressure on axle little；Can at high temperature, humidity, many dirt, have in the adverse circumstances such as pollution and work.Chaindriven shortcoming mainly has: the transmission being simply possible to use between two-parallel axis；Cost is high, easy to wear, easily extends, and transmission stability is poor, can produce additional dynamic load, vibrate, impacts and noise, be not preferably used in the most reverse transmission during operating.
Wherein, sprocket wheel axial plane profile of tooth both sides are arc-shaped, in order to chain link enters and exits engagement.Sprocket should have enough contact strengths and wearability, therefore how thermally treated the flank of tooth is.The engagement number of times of minor sprocket is more than big sprocket wheel, and suffered impulsive force is also big, therefore material therefor typically should be better than big sprocket wheel.Small-diameter sprocket can be made into solid formula；The sprocket wheel of intermediate diameters can be made into orifice-plate type；The sprocket wheel being relatively large in diameter may be designed to combination type, if the gear teeth lost efficacy because of abrasion, and replaceable gear ring.Although existing sprocket wheel disclosure satisfy that use requirement to a certain extent, but is when chain engages, the most inevitably there is the phenomenons such as bite, cause Chain conveyer to there is the problems such as bigger noise, and chain easily comes off.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of monoblock type flexible filtering sprocket wheel, can not only alleviate chaindriven bite phenomenon, reduce noise, and structural strength is higher.
For reaching above-mentioned purpose, this utility model following technical scheme of offer:
A kind of monoblock type flexible filtering sprocket wheel, including sprocket body and wheel hub, it is provided with sprocket in the middle part of the periphery wall of described sprocket body, and the center of described sprocket body is provided with central through hole, being provided with rectangle internal spline in described central through hole, the periphery wall of described wheel hub is provided with the rectangle external splines coordinated with described rectangle internal spline；It is provided with fit clearance between described rectangle internal spline and described rectangle external splines, fills in described fit clearance and be provided with the flexible elastomer for described sprocket body and described wheel hub being connected as one；The both sides of described sprocket body further respectively have the securing cover plate for preventing described wheel hub from moving in the axial direction.
Further, described flexible elastomer uses polymer rubber alloy or soft metal coating to make.
Further, the width of described fit clearance is 0.5-2mm.
Further, on described securing cover plate, annular is laid with connection through hole, and described sprocket body is provided with screwed hole with the described through hole one_to_one corresponding that is connected.
Further, described screwed hole is correspondingly arranged with the tooth top of described rectangle internal spline.
The beneficial effects of the utility model are:
Monoblock type flexible filtering sprocket wheel of the present utility model, it is set to sprocket body and wheel hub by split, and in the fit clearance between sprocket body and wheel hub, flexible elastomer is set, when sprocket wheel engages with chain, when there is bite with chain in sprocket wheel, by the deformation of flexible elastomer, can effectively alleviate bite, and correspondingly reduce noise；It is fixedly installed securing cover plate by the two ends in sprocket body, it is possible to effectively prevent wheel hub from moving in the axial direction, i.e. can improve structural strength.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, this utility model provides drawings described below to illustrate:
Fig. 1 is the structural representation of this utility model monoblock type flexible filtering sprocket wheel embodiment；
Fig. 2 is the left view of Fig. 1.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As it is shown in figure 1, be the structural representation of this utility model monoblock type flexible filtering sprocket wheel embodiment.The monoblock type flexible filtering sprocket wheel of the present embodiment, including sprocket body 1 and wheel hub 2, sprocket 3 it is provided with in the middle part of the periphery wall of sprocket body 1, and the center of sprocket body 1 is provided with central through hole, being provided with rectangle internal spline 4 in central through hole, the periphery wall of wheel hub 2 is provided with the rectangle external splines 5 coordinated with rectangle internal spline 4.It is provided with fit clearance between rectangle internal spline 4 and rectangle external splines 5, fills in fit clearance and be provided with the flexible elastomer 6 for sprocket body 1 and wheel hub 2 being connected as one；The both sides of sprocket body 1 further respectively have the securing cover plate 7 for preventing wheel hub 2 from moving in the axial direction.
Further, flexible elastomer 6 uses polymer rubber alloy or soft metal coating to make, and the width of fit clearance is 0.5-2mm, and the flexible elastomer 6 of the present embodiment uses polymer rubber alloy to make, and the width of fit clearance is 1mm.
Further, on securing cover plate 7, annular is laid with connection through hole 8, in sprocket body 1 be connected through hole 8 one_to_one corresponding and be provided with screwed hole 9, the screwed hole 9 of the present embodiment is correspondingly arranged with the tooth top of rectangle internal spline 4.
The monoblock type flexible filtering sprocket wheel of the present embodiment, it is set to sprocket body and wheel hub by split, and in the fit clearance between sprocket body and wheel hub, flexible elastomer is set, when sprocket wheel engages with chain, when there is bite with chain in sprocket wheel, by the deformation of flexible elastomer, can effectively alleviate bite, and correspondingly reduce noise；It is fixedly installed securing cover plate by the two ends in sprocket body, it is possible to effectively prevent wheel hub from moving in the axial direction, i.e. can improve structural strength.
Embodiment described above is only the preferred embodiment lifted by absolutely proving this utility model, and protection domain of the present utility model is not limited to this.The equivalent that those skilled in the art are made on the basis of this utility model substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (5)
1. a monoblock type flexible filtering sprocket wheel, it is characterized in that: include sprocket body and wheel hub, it is provided with sprocket in the middle part of the periphery wall of described sprocket body, and the center of described sprocket body is provided with central through hole, being provided with rectangle internal spline in described central through hole, the periphery wall of described wheel hub is provided with the rectangle external splines coordinated with described rectangle internal spline；It is provided with fit clearance between described rectangle internal spline and described rectangle external splines, fills in described fit clearance and be provided with the flexible elastomer for described sprocket body and described wheel hub being connected as one；The both sides of described sprocket body further respectively have the securing cover plate for preventing described wheel hub from moving in the axial direction.
Flexible filtering sprocket wheel the most according to claim 1, it is characterised in that: described flexible elastomer uses polymer rubber alloy or soft metal coating to make.
Flexible filtering sprocket wheel the most according to claim 1, it is characterised in that: the width of described fit clearance is 0.5-2mm.
Flexible filtering sprocket wheel the most according to claim 1, it is characterised in that: on described securing cover plate, annular is laid with connection through hole, and described sprocket body is provided with screwed hole with the described through hole one_to_one corresponding that is connected.
Flexible filtering sprocket wheel the most according to claim 4, it is characterised in that: described screwed hole is correspondingly arranged with the tooth top of described rectangle internal spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993553.1U CN205423757U (en) | 2015-12-04 | 2015-12-04 | Integral flexible filtering sprocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993553.1U CN205423757U (en) | 2015-12-04 | 2015-12-04 | Integral flexible filtering sprocket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423757U true CN205423757U (en) | 2016-08-03 |
Family
ID=56536786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520993553.1U Expired - Fee Related CN205423757U (en) | 2015-12-04 | 2015-12-04 | Integral flexible filtering sprocket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205423757U (en) |
-
2015
- 2015-12-04 CN CN201520993553.1U patent/CN205423757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160803 Termination date: 20161204 |