CN205639546U - Spinning idler - Google Patents
Spinning idler Download PDFInfo
- Publication number
- CN205639546U CN205639546U CN201620385147.1U CN201620385147U CN205639546U CN 205639546 U CN205639546 U CN 205639546U CN 201620385147 U CN201620385147 U CN 201620385147U CN 205639546 U CN205639546 U CN 205639546U
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- CN
- China
- Prior art keywords
- face
- spoke
- idle pulley
- wheel rim
- gear teeth
- 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 a spinning idler, including axle core, spoke, the teeth of a cogwheel and rim, be equipped with the shaft hole on the axle core, the both ends of the teeth of a cogwheel are provided with the rim respectively, and teeth of a cogwheel setting is on the spoke, and the spoke welds on the axle core, the teeth of a cogwheel comprise a plurality of ring channels, and the ring channel includes first side, second side and bottom surface, and first side and second side link to each other with the bottom surface respectively, the bottom surface include first face, second face and third face, first face, third face are handed over with the second facial features respectively, be equipped with a step transition face between the adjacent annular cell wall of rim and rim, be equipped with the first sawtooth, recess and the second sawtooth that connect gradually on the step transition face. The utility model provides a processing is simple, prevents the belt off tracking of suit on the idler, prolongs belt life's spinning idler.
Description
Technical field
This utility model relates to a kind of spinning idle pulley.
Background technology
Idle pulley is the wheel based part playing transitional function, is widely used in engine wheel system, such as utilize idle pulley improve the stressing conditions of train and change the layout of train in engine accessory wheel system.The setting of idle pulley so that train layout more rationally, be more uniformly stressed.
Traditional idle pulley includes that shaft core, spoke and the gear teeth, shaft core, spoke and the gear teeth are all formed in one structure, need to make idle pulley blank with almag, then be processed into finished product, and the processed complex when making idle pulley blank is relatively costly.
The most traditional idle pulley surface is straight, easily causes belt deviation, can cause belt inordinate wear, affect belt life time serious during electromotor operating.The support effect of traditional idle pulley and less stable, this kind of idle pulley long-play or in the case of heavy duty easily damaged, reliability is relatively low, and service life is shorter.
The spoke of idle pulley the most in the market is solid construction, causes the relatively costly of idle pulley, and bearing drives the drive requirement needed for idle pulley rotation greatly, thus causes energy waste.
Utility model content
The purpose of this utility model is not enough for overcoming present in background technology, and the purpose of this utility model is that to propose one processing simple, low cost, good stability, prevent the belt deviation being sleeved on idle pulley, reduce belt abrasion, extend the spinning idle pulley in belt service life.
For reaching above-mentioned purpose, this utility model following scheme of employing:
A kind of spinning idle pulley, including shaft core, spoke, the gear teeth and wheel rim, described shaft core is provided with axis hole, the two ends of the gear teeth are respectively arranged with wheel rim, the gear teeth are arranged on spoke, spoke is welded in shaft core, the described gear teeth are made up of multiple cannelures, cannelure includes the first side, second side and bottom surface, first side is connected with bottom surface respectively with the second side, described bottom surface includes first, second and the 3rd, first, 3rd intersects with second respectively, two adjacent cannelures form a double wedge, double wedge includes double wedge end face, double wedge end face includes the fourth face being sequentially connected with, 5th and hexahedro, fourth face, hexahedro intersects with the 5th respectively, described 5th with the centerline parallel of axis hole；Being provided with a step transition face between described wheel rim and wheel rim adjacent annular cell wall, described step transition face is provided with the first sawtooth, groove and the second sawtooth being sequentially connected with.
By using technique scheme, it is provided with axis hole by shaft core, the two ends of the gear teeth are respectively arranged with wheel rim, the gear teeth are arranged on spoke, spoke is welded in shaft core, and spoke and shaft core are separated processing, and spoke and shaft core after processing weld together the most again, so that processing simpler, also reduce processing cost simultaneously.It is made up of multiple cannelures by the gear teeth, cannelure includes the first side, the second side and bottom surface, first side is connected with bottom surface respectively with the second side, wherein the slide teeth on belt can be carried out spacing by the first side, the second side and bottom surface, and drive belt slip, prevent the belt deviation being socketed on idle pulley, thus reduce batch to abrasion, extend belt service life；Arranging bottom surface and include first, second and the 3rd, first, the 3rd intersects with second respectively, this first, second and the 3rd contact area that can increase cannelure and belt slip tooth, thus drives belt slip, prevents belt creep.A double wedge is formed by two adjacent cannelures, double wedge includes double wedge end face, double wedge end face includes that the fourth face, the 5th and that are sequentially connected with are hexahedro, fourth face, hexahedro intersect with the 5th respectively, described 5th with the centerline parallel of axis hole so that the intensity of double wedge is bigger, increase support effect and stability, this kind of idle pulley at long-play or in the case of heavy duty, be not easy breakage, reliability is higher, and service life is longer；And increase the contact area of idle pulley and belt, thus prevent belt generation skidding.By being provided with a step transition face between described wheel rim and wheel rim adjacent annular cell wall, wheel rim is used for by spacing for belt in wheel rim, and step transition face can prevent belt deviation further.The first sawtooth, groove and the second sawtooth being sequentially connected with by arranging step transition face to be provided with, this first sawtooth, groove and the second sawtooth can increase the frictional force between idle pulley and belt, prevent belt generation skidding.
This utility model is further arranged to: described second with the centerline parallel of axis hole, and angle formed by the cross section of first and the cross section of second for 120 degree, formed by the cross section of the 3rd and the cross section of second, the number of degrees of angle are 120 degree.
By using technique scheme, fix at annular groove depth one, centerline parallel by second with axis hole, and angle formed by the cross section of first and the cross section of second for 120 degree, formed by the cross section of the 3rd and the cross section of second, the number of degrees of angle are 120 degree, the contact area of cannelure and belt slip tooth can be increased, thus drive belt slip, prevent belt creep.
This utility model is further arranged to: described wheel rim, the gear teeth and spoke are formed in one structure.
By using technique scheme, it is formed in one structure by wheel rim, the gear teeth and spoke, thus facilitates the processing of spoke, the gear teeth and wheel rim, and ensure that the stability of mechanical performance.
This utility model is further arranged to: be uniformly provided with several through holes on described spoke.The quantity of through hole is six.The diameter of through hole is 0.4-0.6 with the ratio of the ring width of spoke.
By using technique scheme, by being uniformly provided with several through holes on spoke, this through hole not only makes the material producing spoke reduce on the premise of the intensity not affecting spoke, and this through hole can reduce the resistance of rotation, such that it is able to reduce the drive needed for bearing drives idle pulley to rotate.It it is six by the quantity arranging through hole, and the ratio of the ring width of the diameter of through hole and spoke is 0.4-0.6, if this ratio is the biggest, the diameter of through hole is the biggest, if this ratio is the biggest, the intensity causing spoke reduces, so the ratio of the ring width of the diameter of limited hole and spoke is 0.4-0.6, the aperture making through hole on the premise of can ensure that the intensity of spoke under this ratio range is the biggest.
This utility model is further arranged to: the inner side of one end of described axis hole is provided with collar stop, and the inner side of the other end is provided with annular groove.
By using technique scheme, being provided with collar stop by the inner side of one end of axis hole, the inner side of the other end is provided with annular groove, and this annular groove utilizes the common of back-up ring and collar stop to be used to secure bearing, and make that bearing installs is more firm.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of spinning idle pulley.
Fig. 2 is the sectional view of this utility model a kind of spinning idle pulley.
Fig. 3 is the schematic enlarged-scale view of P in Fig. 2.
Fig. 4 is the schematic enlarged-scale view of I in Fig. 2.
Reference in figure: shaft core 1, spoke 2, the gear teeth 3, wheel rim 4, axis hole 11, cannelure 5, the first side 51, the second side 52, bottom surface 53, the first face 531, the second face 532, the 3rd face 533, double wedge 6, double wedge end face 61, fourth face 611, the 5th face 612, hexahedro 613rd, step transition face 7, the first sawtooth 71, groove 72, second sawtooth 73, through hole 21, collar stop 111, annular groove 112.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
nullReferring to figs. 1 to Fig. 4，A kind of spinning idle pulley，Including shaft core 1、Spoke 2、The gear teeth 3 and wheel rim 4，Described shaft core 1 is provided with axis hole 11，The two ends of the gear teeth 3 are respectively arranged with wheel rim 4，The gear teeth 3 are arranged on spoke 2，Spoke 2 is welded in shaft core 1，The described gear teeth 3 are made up of multiple cannelures 5，Cannelure 5 includes the first side 51、Second side 52 and bottom surface 53，First side 51 is connected with bottom surface 53 respectively with the second side 52，Described bottom surface 53 includes the first face 531、Second face 532 and the 3rd face 533，First face 531、3rd face 533 is intersected with the second face 532 respectively，Two adjacent cannelures 5 form a double wedge 6，Double wedge 6 includes double wedge end face 61，Double wedge end face 61 includes the fourth face 611 being sequentially connected with、5th face 612 and the hexahedro 613rd，Fourth face 611、Hexahedro 613rd intersects with the 5th face 612 respectively，Described 5th face 612 and the centerline parallel of axis hole 11；Being provided with a step transition face 7 between described wheel rim 4 and wheel rim 4 adjacent annular groove 5 wall, described step transition face 7 is provided with the first sawtooth 71, groove 72 and the second sawtooth 73 being sequentially connected with.
By using technique scheme, it is provided with axis hole 11 by shaft core 1, the two ends of the gear teeth 3 are respectively arranged with wheel rim 4, the gear teeth 3 are arranged on spoke 2, spoke 2 is welded in shaft core 1, and spoke 2 and shaft core 1 are separated processing, and spoke 2 and shaft core 1 after processing weld together the most again, so that processing simpler, also reduce processing cost simultaneously.It is made up of multiple cannelures 5 by the gear teeth 3, cannelure 5 includes the 51, second side 52, the first side and bottom surface 53, first side 51 is connected with bottom surface 53 respectively with the second side 52, wherein the slide teeth on belt can be carried out spacing by the 51, second side 52, the first side and bottom surface 53, and drive belt slip, prevent the belt deviation being socketed on idle pulley, thus reduce batch to abrasion, extend belt service life；Bottom surface 53 is set and includes the 531, second face, the first face 532 and the 3rd face 533, first face 533, face the 531, the 3rd is intersected with the second face 532 respectively, this 531, second face, the first face 532 and the 3rd face 533 can increase the contact area of cannelure 5 and belt slip tooth, thus drive belt slip, prevent belt creep.A double wedge 6 is formed by two adjacent cannelures 5, double wedge 6 includes double wedge end face 61, double wedge end face 61 includes fourth face the 611, the 5th face 612 and the hexahedro 613rd being sequentially connected with, fourth face the 611, the hexahedro 613rd intersects with the 5th face 612 respectively, described 5th face 612 and the centerline parallel of axis hole 11, so that the intensity of double wedge 6 is bigger, increase support effect and stability, this kind of idle pulley at long-play or in the case of heavy duty, be not easy breakage, reliability is higher, and service life is longer；And increase the contact area of idle pulley and belt, thus prevent belt generation skidding.By being provided with a step transition face 7 between described wheel rim 4 and wheel rim 4 adjacent annular groove 5 wall, wheel rim 4 is used for by spacing for belt in wheel rim 4, and step transition face 7 can prevent belt deviation further.The first sawtooth 71, groove 72 and the second sawtooth 73 being sequentially connected with by arranging step transition face 7 to be provided with, this first sawtooth 71, groove 72 and the second sawtooth 73 can increase the frictional force between idle pulley and belt, prevent belt generation skidding.
This utility model is further arranged to: described second face 532 and the centerline parallel of axis hole 11, and first face 531 cross section and the second face 532 cross section formed by angle for 120 degree, formed by the cross section in the cross section in the 3rd face 533 and the second face 532, the number of degrees of angle are 120 degree.
By using technique scheme, fix in cannelure 5 degree of depth one, centerline parallel by the second face 532 with axis hole 11, and first face 531 cross section and the second face 532 cross section formed by angle for 120 degree, formed by the cross section in the cross section in the 3rd face 533 and the second face 532, the number of degrees of angle are 120 degree, the contact area of cannelure 5 and belt slip tooth can be increased, thus drive belt slip, prevent belt creep.
This utility model is further arranged to: described wheel rim 4, the gear teeth 3 and spoke 2 are formed in one structure.
By using technique scheme, it is formed in one structure by wheel rim 4, the gear teeth 3 and spoke 2, thus facilitates spoke 2, the gear teeth 3 and the processing of wheel rim 4, and ensure that the stability of mechanical performance.
This utility model is further arranged to: be uniformly provided with several through holes 21 on described spoke 2.The quantity of through hole 21 is six.The diameter of through hole 21 is 0.4-0.6 with the ratio of the ring width of spoke 2.
By using technique scheme, by being uniformly provided with several through holes 21 on spoke 2, this through hole 21 not only makes the material producing spoke 2 reduce on the premise of the intensity not affecting spoke 2, and this through hole 21 can reduce the resistance of rotation, such that it is able to reduce the drive needed for bearing drives idle pulley to rotate.It it is six by the quantity arranging through hole 21, and the ratio of the ring width of the diameter of through hole 21 and spoke 2 is 0.4-0.6, if this ratio is the biggest, the diameter of through hole 21 is the biggest, if this ratio is the biggest, the intensity causing spoke 2 reduces, so the ratio of the ring width of the diameter of limited hole 21 and spoke 2 is 0.4-0.6, the aperture making through hole 21 on the premise of can ensure that the intensity of spoke 2 under this ratio range is the biggest.
This utility model is further arranged to: the inner side of one end of described axis hole 11 is provided with collar stop 111, and the inner side of the other end is provided with annular groove 11272.
By using technique scheme, it is provided with collar stop 111 by the inner side of one end of axis hole 11, the inner side of the other end is provided with annular groove 11272, and this annular groove 11272 utilizes the common of back-up ring and collar stop 111 to be used to secure bearing, and make that bearing installs is more firm.
The foregoing is only preferred embodiment of the present utility model, not with the present embodiment for limiting, all any amendment, equivalent or improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (7)
1. a spinning idle pulley, including shaft core, spoke, the gear teeth and wheel rim, it is characterized in that: described shaft core is provided with axis hole, the two ends of the gear teeth are respectively arranged with wheel rim, the gear teeth are arranged on spoke, spoke is welded in shaft core, the described gear teeth are made up of multiple cannelures, cannelure includes the first side, second side and bottom surface, first side is connected with bottom surface respectively with the second side, described bottom surface includes first, second and the 3rd, first, 3rd intersects with second respectively, two adjacent cannelures form a double wedge, double wedge includes double wedge end face, double wedge end face includes the fourth face being sequentially connected with, 5th and hexahedro, fourth face, hexahedro intersects with the 5th respectively, described 5th with the centerline parallel of axis hole；Being provided with a step transition face between described wheel rim and wheel rim adjacent annular cell wall, described step transition face is provided with the first sawtooth, groove and the second sawtooth being sequentially connected with.
A kind of spinning idle pulley the most according to claim 1, it is characterized in that: described second with the centerline parallel of axis hole, and angle formed by the cross section of first and the cross section of second for 120 degree, formed by the cross section of the 3rd and the cross section of second, the number of degrees of angle are 120 degree.
A kind of spinning idle pulley the most according to claim 2, it is characterised in that: described wheel rim, the gear teeth and spoke are formed in one structure.
A kind of spinning idle pulley the most according to claim 3, it is characterised in that: it is uniformly provided with several through holes on described spoke.
A kind of spinning idle pulley the most according to claim 4, it is characterised in that: the quantity of described through hole is six.
A kind of spinning idle pulley the most according to claim 5, it is characterised in that: the diameter of described through hole is 0.4-0.6 with the ratio of the ring width of spoke.
A kind of spinning idle pulley the most according to claim 6, it is characterised in that: the inwall of one end of described axis hole is provided with collar stop, and the inwall of the other end is provided with annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620385147.1U CN205639546U (en) | 2016-04-29 | 2016-04-29 | Spinning idler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620385147.1U CN205639546U (en) | 2016-04-29 | 2016-04-29 | Spinning idler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639546U true CN205639546U (en) | 2016-10-12 |
Family
ID=57062253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620385147.1U Expired - Fee Related CN205639546U (en) | 2016-04-29 | 2016-04-29 | Spinning idler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205639546U (en) |
-
2016
- 2016-04-29 CN CN201620385147.1U patent/CN205639546U/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: 20161012 Termination date: 20180429 |